EP3757280B1 - Iron fitted with a steam chamber provided with a tilted surface - Google Patents

Iron fitted with a steam chamber provided with a tilted surface Download PDF

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Publication number
EP3757280B1
EP3757280B1 EP20181707.9A EP20181707A EP3757280B1 EP 3757280 B1 EP3757280 B1 EP 3757280B1 EP 20181707 A EP20181707 A EP 20181707A EP 3757280 B1 EP3757280 B1 EP 3757280B1
Authority
EP
European Patent Office
Prior art keywords
iron
bottom wall
water
steam
steam chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20181707.9A
Other languages
German (de)
French (fr)
Other versions
EP3757280C0 (en
EP3757280A1 (en
Inventor
Frédéric COLLET
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
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SEB SA
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Application granted granted Critical
Publication of EP3757280C0 publication Critical patent/EP3757280C0/en
Publication of EP3757280B1 publication Critical patent/EP3757280B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • D06F75/18—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat
    • D06F75/243—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat using other than ohmic-resistance heating means, e.g. electrolytic or induction heating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/26—Temperature control or indicating arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/38—Sole plates

Definitions

  • the present invention relates to the field of ironing appliances, and in particular ironing appliances comprising irons equipped with a vaporization chamber.
  • water which is introduced into the vaporization chamber at a water injection port, accumulates below this water injection port and forms a layer of liquid water on the bottom wall which interferes with the vaporization of the water introduced into the vaporization chamber.
  • the present invention aims to remedy all or part of these drawbacks.
  • the technical problem at the basis of the invention consists in particular in providing an iron making it possible to increase the water supply rate of the vaporization chamber, while avoiding the projection of water droplets on the linen to be ironed. .
  • the present invention relates to an iron comprising an ironing sole comprising at least one steam outlet orifice and a heating body comprising a vaporization chamber connected by a steam distribution circuit to the at least one orifice vapor outlet, the vaporization chamber having a bottom wall comprising a water injection zone into which water is intended to be injected to produce steam, the heating body comprising a first electrical resistance heater s extending in a first zone of the bottom wall and a second electric heating resistance extending in a second zone of the bottom wall, the bottom wall comprising an intermediate zone extending between the first and second zones, characterized in that the water injection zone of the bottom wall has a surface configured to channel water flowing over the water injection zone towards the intermediate zone when the iron is lying flat on the ironing sole.
  • Such a configuration of the bottom wall of the vaporization chamber makes it possible to direct the water entering the vaporization chamber towards the intermediate zone which is surrounded by the first and second electric heating resistances, and therefore towards the hottest surfaces of vaporization chamber, thereby promoting rapid vaporization of water entering the vaporization chamber.
  • the configuration of the bottom wall of the vaporization chamber makes it possible to supply the vaporization chamber with a high flow rate of water, while limiting the projection of water droplets on the linen to be ironed.
  • the iron according to the present invention therefore has improved ironing efficiency.
  • the iron may additionally have one or more of the following characteristics, taken alone or in combination.
  • the bottom wall comprises an obstacle placed on the flow path of the flow of water injected into the bottom wall from the water injection zone, the obstacle deflecting the flow towards two lateral flow paths arranged on either side of the obstacle.
  • the obstacle is a regulation pad on which a thermostat is mounted.
  • each of the lateral flow paths is inclined towards the rear of the vaporization chamber.
  • the vaporization chamber is delimited laterally by a peripheral wall comprising a connecting opening through which the steam escapes from the vaporization chamber to travel into the steam distribution circuit, the obstacle being located between the injection zone and the connecting opening, and preferably in alignment between the injection zone and the connecting opening.
  • the intermediate zone comprises at least one cavity for retaining a volume of water.
  • the bottom wall comprises a barrier wall which delimits a downstream end of the retention cavity.
  • the bottom wall comprises a regulation stud on which a thermostat is mounted, the retention cavity being arranged at the foot of the regulation stud.
  • the first electric heating resistor extends around the periphery of the bottom wall.
  • the bottom wall has two retention cavities, the retention cavities being arranged on both sides of the regulation pad.
  • the first electric heating resistor and/or the second electric heating resistor have a general U, V or ⁇ shape.
  • the first and second electrical heating resistors have a combined power greater than 2400 W.
  • the first and second electric heating resistors are arranged head to tail.
  • the first electric heating resistor comprises a first branch extending close to a first lateral portion of the vaporization chamber, and a second branch extending close to a second side of the vaporization chamber which is opposite to the first side portion.
  • the first electric heating resistor comprises a connecting portion connecting the respective first and second branches and located at a front part of the vaporization chamber.
  • the second electric heating resistance extends inside the first and second branches of the first electric heating resistance.
  • the bottom wall comprises a curved surface configured to channel the water flowing over the curved surface in the direction of the intermediate zone.
  • the curved surface of the bottom wall is curved in a transverse direction which extends transversely to the longitudinal direction of the iron.
  • the curved surface is arranged substantially symmetrically with respect to a median longitudinal plane of the iron.
  • the curved surface is located in a central longitudinal zone of the bottom wall.
  • the curved surface comprises a first wall portion inclined towards a first side edge of the bottom wall, a second wall portion inclined towards a second side edge of the bottom wall, and a longitudinal ridge connecting the first and second wall portions.
  • the longitudinal ridge may for example extend in the median longitudinal plane of the iron, and may for example have a rounded cross section.
  • the heating body comprises a water injection opening opening into a front part of the vaporization chamber, and for example close to the front end of the bottom wall.
  • the water injection opening is located above the curved surface.
  • the bottom wall has a top located substantially below the water injection opening.
  • the second electric heating resistor extends to the periphery of the curved surface.
  • the second electric heating resistor comprises a first branch extending close to a first side edge of the curved surface, and a second branch extending close to a second side edge of the curved surface which is opposite the first side edge.
  • the water injection opening opens above a zone located between the branches of the second electrical resistor.
  • the second electric heating resistor comprises a connecting portion connecting the first and second respective branches and located at a rear part of the vaporization chamber.
  • the domed surface is configured to channel the water flowing over the domed surface in the direction of the two lateral flow paths.
  • the intermediate zone is configured to channel the water flowing over the intermediate zone in the direction of a regulation pad on which a thermostat is mounted.
  • the regulation pad is located between the two lateral flow paths.
  • the regulation pad is located at a rear portion of the vaporization chamber.
  • the second electric heating resistor comprises a curved portion arranged vertically to the regulation stud when the ironing surface rests on a horizontal plane support.
  • the iron comprises an additional regulation pad on which an additional thermostat is mounted, the additional regulation pad being located at a front part of the vaporization chamber.
  • the first electric heating resistor comprises a curved portion arranged vertically to the additional regulation pad when the ironing surface rests on a horizontal plane support.
  • the iron comprises a regulating device configured to regulate the electrical supply of the first electric heating resistance by means of the additional thermostat mounted on the additional regulating stud located at the front of the vaporization chamber, and to regulate the electrical supply of the second electric heating resistor by means of the thermostat mounted on the regulation stud located at the rear of the vaporization chamber.
  • the first electric heating resistance is located above the second electric heating resistance when the ironing surface rests on a horizontal plane support.
  • the first electric heating resistance is located at a higher altitude than the second electric heating resistance when the ironing surface rests on a horizontal plane support.
  • the heating body comprises a casting delimiting at least in part the vaporization chamber.
  • the first and second electric heating resistances are integrated in the foundry.
  • the heating body comprises a closure plate which rests on the foundry, the vaporization chamber being delimited by the foundry and the closure plate.
  • the steam distribution circuit comprises a scale recovery cavity, the iron comprising a scale recovery container which is placed in the scale recovery cavity.
  • the scale collection vessel is configured to collect scale particles from the vaporization chamber.
  • the scale recovery container is removable.
  • the scale recovery cavity is arranged at the rear of the vaporization chamber.
  • the scale recovery cavity comprises an evacuation orifice closed by a removable plug which is accessible from outside the iron.
  • the discharge orifice is arranged at the rear of the iron.
  • the scale recovery container is secured to the removable plug.
  • the scale recovery cavity is connected to the vaporization chamber by a connection opening opening out into the rear end of the vaporization chamber.
  • the scale collection vessel comprises a filtration element comprising passage openings configured to retain scale particles entrained by the steam flowing in the steam distribution circuit.
  • each of the passage openings has a dimension of between 0.05 mm and 0.5 mm.
  • the steam distribution circuit comprises at least one exhaust channel opening into the scale recovery cavity, the at least one exhaust channel being fluidly connected to the at least a steam outlet.
  • the at least one exhaust channel is located downstream of the filtration element.
  • the steam distribution circuit comprises two exhaust channels located respectively on each side of the connecting opening.
  • the steam distribution circuit comprises a distribution chamber provided under the heating body, the steam distribution chamber fluidically connecting the at least one exhaust channel to the at least one steam outlet.
  • the first electric heating resistance extends in a first plane of extension and the second electric heating resistance extends in a second plane of extension which is substantially parallel to the first plane of extension. extension.
  • the thermostat and the additional thermostat are produced respectively by a temperature sensor and an additional temperature sensor connected to a microcontroller.
  • the present invention further relates to an ironing appliance comprising an iron according to the invention, a water tank and a supply circuit fluidically connected to the water tank and configured to supply water to the vaporization chamber.
  • the supply circuit comprises a conduit for conveying water fluidly connecting the water reservoir to the vaporization chamber.
  • the ironing appliance comprises a base on which the iron is placed during inactive ironing phases.
  • the base encloses the water reservoir.
  • the supply circuit comprises a supply pump configured to supply the vaporization chamber with water coming from the water tank.
  • the feed pump is integrated into the base.
  • THE figures 1 to 9 represent an ironing appliance 2 which comprises an iron 3 and a base 4 on which the iron 3 can be placed during inactive ironing phases.
  • the ironing appliance 2 further comprises a water tank 5 integrated into the base 4 and which can for example be removable, and a supply circuit fluidly connected to the water tank 5.
  • the supply circuit comprises in particular a water supply pipe 6 fluidly connecting the water tank 5 to the iron iron 3, and a supply pump (not visible in the figures) integrated in the base 4 and configured to supply the iron 3 with water coming from the water tank 5.
  • the iron 3 comprises a housing 7 comprising a gripping part 8 at its upper end, and an ironing soleplate 9 provided with a substantially flat ironing surface 11 and with a plurality of steam outlet orifices 12 emerging in the ironing surface 11.
  • the iron 3 also comprises a heating body 13 integrated into the lower part of the case 7, and thermally and mechanically linked to the ironing soleplate 9.
  • the heating body 13 comprises a foundry 14, for example aluminum, and a plate closure 15 which rests on the foundry 14.
  • the heating body 13 also comprises a vaporization chamber 16, of the instantaneous vaporization type, delimited by the casting 14 and the closure plate 15.
  • the casting 14 more particularly comprises a peripheral wall 17 laterally delimiting the vaporization chamber 16.
  • the vaporization chamber 16 is at least partly, and for example substantially entirely, internally coated with an anti-calefaction coating.
  • the heating body 13 further comprises a first electric heating resistance 18 and a second electric heating resistance 19 which are integrated in the foundry 14.
  • the first electric heating resistance 18 and the second electric heating resistance 19 have a general U-shape. , V or ⁇ .
  • the first and second electrical heating resistors 18, 19 are more particularly visible in dotted lines on the figure 4 .
  • the first electric heating resistor 18 comprises a first branch 18.1 extending close to a first lateral portion of the vaporization chamber 16, and a second branch 18.2 extending close to a second side portion of the chamber 16, and the second electric heating resistance 19 extends inside the first and second branches 18.1, 18.2 of the first electric heating resistance 18.
  • the first electric heating resistance 18 and the second electric heating resistance 19 are arranged head to tail.
  • the first electrical heating resistance 18 comprises two connection ends 18A, 18B projecting outside the foundry 14 on the side of the rear end of the heating body 13 and the second resistance electric heater 19 has two connection ends 19A, 19B projecting outside the foundry on the side of the front end of the heating body 13.
  • the first and second electric heating resistors 18, 19 have a combined power greater than 2400W.
  • the first electrical heating resistor 18 may present an electrical power of the order of 2000W and the second electrical heating resistor 19 may present an electrical power of the order of 1000W, such a power distribution making it possible to balance the power density in view of the respective length of the two electric heating resistors to reach a total of 3000W.
  • the first electric heating resistance 18 extends in a first plane of extension and the second electric heating resistance 19 extends in a second plane of extension which is substantially parallel to the first plane of extension and preferably substantially parallel to the plane of the ironing surface 11.
  • the first electric heating resistance 18 is located at a higher altitude than the second electric heating resistance 19 when the ironing surface 11 rests on a horizontal plane support.
  • the vaporization chamber 16 comprises a bottom wall 21, over which water is intended to flow to produce steam, which advantageously has a multitude of pyramidal studs which protrude from the bottom wall 21 in order to increase the heat exchange surface.
  • the back wall 21 advantageously comprises a curved surface 22 located in a central longitudinal zone of the bottom wall 21.
  • the curved surface 22 is more particularly curved in a transverse direction D1 which extends transversely to the longitudinal direction D2 of the iron 3.
  • the curved surface 22 is arranged symmetrically with respect to a median longitudinal plane of the iron 3, and comprises a first wall portion 22.1 inclined in the direction of a first lateral edge of the wall bottom 21, a second wall portion 22.2 inclined towards a second side edge of the bottom wall 21, and a longitudinal ridge 22.3 connecting the first and second wall portions 22.1, 22.2.
  • the longitudinal ridge 22.3 can for example extend in the median longitudinal plane of the iron 3, and can for example have a rounded cross section.
  • the first electric heating resistance 18 extends in a first zone of the bottom wall 21 located at the periphery of the bottom wall 21, while the second electric heating resistance 19 extends in a second zone of the wall bottom 21 located at the periphery of the curved surface 22.
  • the first electric heating resistance 18 extends to the periphery of the bottom wall 21, and the second electric heating resistance 19 extends to the periphery of the curved surface 22.
  • the bottom wall 21 further comprises an intermediate zone 23 extending between the first and second zones of the bottom wall 21, and therefore between the curved surface 22 and the periphery of the bottom wall 21.
  • the intermediate zone 23 comprises more particularly two lateral flow paths 23.1, 23.2 extending between the first and second electric heating resistors, each of the lateral flow paths being inclined towards the rear of the vaporization chamber 16 and the curved surface 22 being configured to channeling the water flowing over the curved surface 22 in the direction of the two lateral flow paths 23.1, 23.2.
  • the heating body 13 further comprises a regulation stud 24 located between the two lateral flow paths 23.1, 23.2, at the level of the rear end of the vaporization chamber 16, each of the lateral flow paths 23.1, 23.2 being inclined towards the rear of the vaporization chamber 16, that is to say towards the regulation stud 24.
  • the two lateral flow paths 23.1 , 23.2 are advantageously located below the contour of the curved surface 22 at the level of the rear part of the vaporization chamber 16, so that there results a step between the bottom of the two lateral flow paths 23.1, 23.2 and the contour of the curved surface 22.
  • the rear end of the vaporization chamber 16 comprises two barrier walls 20 which project transversely from the bottom wall 21 of the vaporization chamber 16, between the regulation pad 24 and the peripheral wall 17, the two dam walls 20 retaining the water flowing along the lateral flow paths 23.1, 23.2 thus forming a retention cavity 27 upstream of the dam wall 20.
  • the regulating stud 24 is formed by the foundry 14 and is located at a rear portion of the curved surface 22, the upper end of the regulating stud extending through the closing plate 15.
  • the iron 3 comprises a thermostat (not shown) mounted on the regulation stud 24, and the intermediate zone 23 is configured to channel the water flowing over the intermediate zone 23 in the direction of the regulation stud 24.
  • the heating body 13 also comprises an additional regulation pad 26 located at a front part of the vaporization chamber 16.
  • the additional regulation pad 26 is located vertically above the curved end of the first resistor electrical heater 18 and the regulation pad 24 is located above the curved end of the second electrical heating resistor 19.
  • the additional regulation pad 26 is formed by the foundry 14 and extends through the closure plate 15.
  • the iron 3 comprises an additional thermostat (not shown) mounted on the additional regulation stud 26.
  • the iron 3 advantageously includes a regulating device (not shown in the figures) configured to regulate the electrical supply to the first electrical resistance heater 18 by means of the additional thermostat mounted on the additional regulation pad 26 located at the front of the vaporization chamber 16 and to regulate the electrical supply of the second electrical resistance heater 19 by means of the thermostat mounted on the regulation pad 24 located at the rear of the vaporization chamber 16.
  • a regulating device (not shown in the figures) configured to regulate the electrical supply to the first electrical resistance heater 18 by means of the additional thermostat mounted on the additional regulation pad 26 located at the front of the vaporization chamber 16 and to regulate the electrical supply of the second electrical resistance heater 19 by means of the thermostat mounted on the regulation pad 24 located at the rear of the vaporization chamber 16.
  • the heating body 13 further comprises a water injection opening 28 fluidly connected to the feed pump and opening into a front part of the vaporization chamber 16, and for example near the front end of the wall. bottom 21.
  • the supply pump is thus configured to supply the vaporization chamber 16 with water coming from the water tank 5 with a pressure greater than 500 Pa, the assembly being adapted to allow the production of a flow rate of steam greater than 60 gr/min according to the standardized cycle of 5 sec of vaporization followed by 15 sec of stoppage
  • the water injection opening 28 is provided on the closure plate 15, and opens into the vaporization chamber 16 above a water injection zone located close to the front end of the bottom wall 21, and between the branches of the second electric heating resistor 19.
  • the bottom wall 21 has a top located substantially below the water injection opening 28.
  • the iron 3 further comprises a steam distribution circuit 29 defined by the foundry 14 and the closure plate 15, and fluidly connecting the vaporization chamber 16 to the steam outlet orifices 12, and this in such a way that the steam generated in the vaporization chamber 16 can flow to the steam outlet orifices 12.
  • the steam distribution circuit 29 is at least partly coated internally with an anti-calefaction coating.
  • the steam distribution circuit 29 comprises in particular a scale recovery cavity 31 comprising an evacuation orifice 32 closed by a removable plug 33 which is accessible from outside the iron 3.
  • the orifice of evacuation 32 opens into a rear surface of the housing 7 of the iron 3.
  • the scale recovery cavity 31 is arranged at the rear of the vaporization chamber 16, and is connected to the vaporization chamber 16 by a connection opening 34 opening out into the rear end of the vaporization chamber 16.
  • the cavity scale recovery 31 is advantageously located in a part of the housing 7 which is cantilevered behind the ironing soleplate 9 when the iron 3 rests on the ironing soleplate 9.
  • the iron 3 further comprises a scale collection container 35 which is mounted, for example in a removable manner, in the scale collection cavity 31.
  • the scale collection container 35 is configured to collect particles of scale from of the vaporization chamber 16. These scale particles can fall by gravity from the vaporization chamber 16 when the ironing soleplate 9 is inclined with respect to the horizontal, and for example when the iron 3 rests on the base 4 , and can also be entrained by the steam coming from the vaporization chamber 16.
  • the scale recovery container 35 is integral with the removable plug 33.
  • the scale collection container 35 may optionally include a filtration element having passage openings configured to retain scale particles entrained by the steam flowing in the steam distribution circuit.
  • each of the passage openings has a dimension of between 0.05 mm and 0.5 mm.
  • the steam distribution circuit 29 comprises two exhaust channels 25, visible on the figure 8 , arranged symmetrically on either side of the connecting opening 34, these two exhaust channels 25 connecting the scale recovery cavity 31 with a steam distribution chamber provided under the heating body 13 in order to supply the steam outlet holes 11 of the ironing soleplate 9.
  • the unvaporized water then spreads, in the form of a puddle, along the two lateral flow paths 23.1, 23.2 and towards the rear of the vaporization chamber 16, under the combined effect in particular of gravity (the lateral flow paths are inclined towards the rear) and of the drag forces linked to the flow of vapor which escapes towards the connecting opening 34.
  • the scale particles formed in the vaporization chamber 16 are entrained, both by the displacement of the puddle of water towards the rear of the vaporization chamber 16 and by the flow of steam under the effect of the drag forces, in the direction of the connecting opening 34 and the scale collection container 35.
  • the scale particles are thus collected by the scale collection container 35.
  • This second embodiment differs from the first embodiment essentially by the orientation of the second electric heating resistor 19 which is here arranged in the same direction as the first electric heating resistance 18.
  • the two connection ends 19A, 19B of the second electric heating resistance 19 protrude outside the foundry on the side of the rear of the body heater 13 and the second electric heating resistor 19 extends forwards, from the two connection ends 19A, 19B, in an ⁇ shape.
  • This second embodiment also differs from the first embodiment by the absence of pyramidal studs and barrier wall on the bottom wall 21.
  • Such a construction has the advantage of being simpler to produce. However, such elements could also be present on the bottom wall.
  • the water may be injected into the vaporization chamber by a drip valve fed by gravity with water coming from a reservoir rather than by a pump.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)

Description

Domaine techniqueTechnical area

La présente invention concerne le domaine des appareils de repassage, et en particulier des appareils de repassage comprenant des fers à repasser équipés de chambre de vaporisation.The present invention relates to the field of ironing appliances, and in particular ironing appliances comprising irons equipped with a vaporization chamber.

Etat de la techniqueState of the art

Un fer à repasser comprend de façon connue :

  • un corps chauffant comportant une chambre de vaporisation présentant une paroi de fond qui est plane et sur laquelle de l'eau est destinée à s'écouler pour produire de la vapeur, le corps chauffant pouvant comprendre une première résistance électrique chauffante s'étendant à la périphérie de la paroi de fond et une deuxième résistance électrique chauffant située dans une zone centrale de la paroi de fond,
  • une semelle de repassage liée thermiquement et mécaniquement au corps chauffant, la semelle de repassage comportant une surface de repassage et au moins un orifice de sortie de vapeur débouchant dans la surface de repassage, la surface de repassage étant parallèle à la paroi de fond,
  • un circuit de distribution de vapeur reliant fluidiquement la chambre de vaporisation à l'au moins un orifice de sortie de vapeur et dans lequel est destinée à s'écouler la vapeur produite par la chambre de vaporisation.
An iron comprises in known manner:
  • a heating body comprising a vaporization chamber having a bottom wall which is flat and over which water is intended to flow to produce steam, the heating body being able to comprise a first electric heating resistance extending at the periphery of the bottom wall and a second electric heating resistance located in a central zone of the bottom wall,
  • an ironing sole thermally and mechanically linked to the heating body, the ironing sole comprising an ironing surface and at least one steam outlet opening into the ironing surface, the ironing surface being parallel to the bottom wall,
  • a vapor distribution circuit fluidly connecting the vaporization chamber to the at least one vapor outlet orifice and in which the vapor produced by the vaporization chamber is intended to flow.

Lorsqu'un tel fer à repasser est utilisé, l'eau, qui est introduite dans la chambre de vaporisation au niveau d'un orifice d'injection d'eau, s'accumule en dessous de cet orifice d'injection d'eau et forme une couche d'eau liquide sur la paroi de fond qui nuit à la vaporisation de l'eau introduite dans la chambre de vaporisation.When such an iron is used, water, which is introduced into the vaporization chamber at a water injection port, accumulates below this water injection port and forms a layer of liquid water on the bottom wall which interferes with the vaporization of the water introduced into the vaporization chamber.

Ainsi, une telle configuration du fer à repasser ne permet pas d'alimenter la chambre de vaporisation avec un débit d'eau important sans risquer la projection de gouttelettes d'eau sur le linge à repasser.Thus, such a configuration of the iron does not make it possible to supply the vaporization chamber with a high flow rate of water without risking the projection of water droplets on the linen to be ironed.

Une fer à repasser comportant deux résistances électriques est connu du document ES 2308952 A1 .An iron comprising two electric resistances is known from the document ES 2308952 A1 .

Résumé de l'inventionSummary of the invention

La présente invention vise à remédier à tout ou partie de ces inconvénients.The present invention aims to remedy all or part of these drawbacks.

Le problème technique à la base de l'invention consiste notamment à fournir un fer à repasser permettant d'augmenter le débit d'alimentation en eau de la chambre de vaporisation, tout en évitant la projection de gouttelettes d'eau sur le linge à repasser.The technical problem at the basis of the invention consists in particular in providing an iron making it possible to increase the water supply rate of the vaporization chamber, while avoiding the projection of water droplets on the linen to be ironed. .

A cet effet, la présente invention concerne un fer à repasser comprenant une semelle de repassage comportant au moins un orifice de sortie de vapeur et un corps chauffant comportant une chambre de vaporisation reliée par un circuit de distribution de vapeur à l'au moins un orifice de sortie de vapeur, la chambre de vaporisation présentant une paroi de fond comprenant une zone d'injection d'eau sur laquelle de l'eau est destinée à être injectée pour produire de la vapeur, le corps chauffant comprenant une première résistance électrique chauffante s'étendant dans une première zone de la paroi de fond et une deuxième résistance électrique chauffante s'étendant dans une deuxième zone de la paroi de fond, la paroi de fond comprenant une zone intermédiaire s'étendant entre les première et deuxième zones, caractérisé en ce que la zone d'injection d'eau de la paroi de fond comporte une surface configurée pour canaliser l'eau s'écoulant sur la zone d'injection d'eau en direction de la zone intermédiaire lorsque le fer à repasser repose à plat sur la semelle de repassage.To this end, the present invention relates to an iron comprising an ironing sole comprising at least one steam outlet orifice and a heating body comprising a vaporization chamber connected by a steam distribution circuit to the at least one orifice vapor outlet, the vaporization chamber having a bottom wall comprising a water injection zone into which water is intended to be injected to produce steam, the heating body comprising a first electrical resistance heater s extending in a first zone of the bottom wall and a second electric heating resistance extending in a second zone of the bottom wall, the bottom wall comprising an intermediate zone extending between the first and second zones, characterized in that the water injection zone of the bottom wall has a surface configured to channel water flowing over the water injection zone towards the intermediate zone when the iron is lying flat on the ironing sole.

Une telle configuration de la paroi de fond de la chambre de vaporisation permet de diriger l'eau pénétrant dans la chambre de vaporisation vers la zone intermédiaire qui est entourée par les première et deuxième résistances électriques chauffantes, et donc vers les surfaces les plus chaudes de la chambre de vaporisation, et ainsi de favoriser une vaporisation rapide de l'eau pénétrant dans la chambre de vaporisation.Such a configuration of the bottom wall of the vaporization chamber makes it possible to direct the water entering the vaporization chamber towards the intermediate zone which is surrounded by the first and second electric heating resistances, and therefore towards the hottest surfaces of vaporization chamber, thereby promoting rapid vaporization of water entering the vaporization chamber.

Par conséquent, la configuration de la paroi de fond de la chambre de vaporisation permet d'alimenter la chambre de vaporisation avec un débit d'eau important, tout en limitant la projection de gouttelettes d'eau sur le linge à repasser. Le fer à repasser selon la présente invention présente donc une efficacité de repassage améliorée.Consequently, the configuration of the bottom wall of the vaporization chamber makes it possible to supply the vaporization chamber with a high flow rate of water, while limiting the projection of water droplets on the linen to be ironed. The iron according to the present invention therefore has improved ironing efficiency.

Le fer à repasser peut en outre présenter une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison.The iron may additionally have one or more of the following characteristics, taken alone or in combination.

Selon un mode de réalisation de l'invention, la paroi de fond comporte un obstacle disposé sur la trajectoire d'écoulement du flux d'eau injecté sur la paroi de fond depuis la zone d'injection d'eau, l'obstacle déviant le flux vers deux chemins d'écoulement latéraux disposés de part et d'autre de l'obstacle.According to one embodiment of the invention, the bottom wall comprises an obstacle placed on the flow path of the flow of water injected into the bottom wall from the water injection zone, the obstacle deflecting the flow towards two lateral flow paths arranged on either side of the obstacle.

Selon un mode de réalisation de l'invention, l'obstacle est un plot de régulation sur lequel est monté un thermostat.According to one embodiment of the invention, the obstacle is a regulation pad on which a thermostat is mounted.

Selon un mode de réalisation de l'invention, chacun des chemins d'écoulement latéraux est incliné vers l'arrière de la chambre de vaporisation. Ces dispositions favorisent un écoulement d'une flaque d'eau formée dans la chambre de vaporisation vers l'arrière de la chambre de vaporisation.According to one embodiment of the invention, each of the lateral flow paths is inclined towards the rear of the vaporization chamber. These arrangements promote the flow of a puddle of water formed in the vaporization chamber towards the rear of the vaporization chamber.

Selon un mode de réalisation de l'invention, la chambre de vaporisation est délimitée latéralement par une paroi périphérique comportant une ouverture de liaison par laquelle la vapeur s'échappe de la chambre de vaporisation pour s'acheminer dans le circuit de distribution de vapeur, l'obstacle étant situé entre la zone d'injection et l'ouverture de liaison, et de préférence dans l'alignement entre la zone d'injection et l'ouverture de liaison.According to one embodiment of the invention, the vaporization chamber is delimited laterally by a peripheral wall comprising a connecting opening through which the steam escapes from the vaporization chamber to travel into the steam distribution circuit, the obstacle being located between the injection zone and the connecting opening, and preferably in alignment between the injection zone and the connecting opening.

Selon un mode de réalisation de l'invention, la zone intermédiaire comprend au moins une cavité de rétention d'un volume d'eau.According to one embodiment of the invention, the intermediate zone comprises at least one cavity for retaining a volume of water.

Selon un mode de réalisation de l'invention, la paroi de fond comporte une paroi de barrage qui délimite une extrémité aval de la cavité de rétention.According to one embodiment of the invention, the bottom wall comprises a barrier wall which delimits a downstream end of the retention cavity.

Selon un mode de réalisation de l'invention, la paroi de fond comporte un plot de régulation sur lequel est monté un thermostat, la cavité de rétention étant disposée au pied du plot de régulation.According to one embodiment of the invention, the bottom wall comprises a regulation stud on which a thermostat is mounted, the retention cavity being arranged at the foot of the regulation stud.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante s'étend à la périphérie de la paroi de fond.According to one embodiment of the invention, the first electric heating resistor extends around the periphery of the bottom wall.

Selon un mode de réalisation de l'invention, la paroi de fond comporte deux cavités de rétention, les cavités de rétention étant disposées des deux côtés du plot de régulation.According to one embodiment of the invention, the bottom wall has two retention cavities, the retention cavities being arranged on both sides of the regulation pad.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante et/ou la deuxième résistance électrique chauffante présentent une forme générale en U, V ou Ω.According to one embodiment of the invention, the first electric heating resistor and/or the second electric heating resistor have a general U, V or Ω shape.

Selon un mode de réalisation de l'invention, les première et deuxième résistances électriques chauffantes présentent une puissance cumulée supérieure à 2400 W.According to one embodiment of the invention, the first and second electrical heating resistors have a combined power greater than 2400 W.

Selon un mode de réalisation de l'invention, les première et deuxième résistance électrique chauffante sont disposées tête bêche.According to one embodiment of the invention, the first and second electric heating resistors are arranged head to tail.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante comporte une première branche s'étendant à proximité d'une première portion latérale de la chambre de vaporisation, et une deuxième branche s'étendant à proximité d'une deuxième portion latérale de la chambre de vaporisation qui est opposée à la première portion latérale.According to one embodiment of the invention, the first electric heating resistor comprises a first branch extending close to a first lateral portion of the vaporization chamber, and a second branch extending close to a second side of the vaporization chamber which is opposite to the first side portion.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante comporte une portion de liaison reliant les première et deuxième branches respectives et située au niveau d'une partie avant de la chambre de vaporisation.According to one embodiment of the invention, the first electric heating resistor comprises a connecting portion connecting the respective first and second branches and located at a front part of the vaporization chamber.

Selon un mode de réalisation de l'invention, la deuxième résistance électrique chauffante s'étend à l'intérieur des première et deuxième branches de la première résistance électrique chauffante.According to one embodiment of the invention, the second electric heating resistance extends inside the first and second branches of the first electric heating resistance.

Selon un mode de réalisation de l'invention, la paroi de fond comporte une surface bombée configurée pour canaliser l'eau s'écoulant sur la surface bombée en direction de la zone intermédiaire.According to one embodiment of the invention, the bottom wall comprises a curved surface configured to channel the water flowing over the curved surface in the direction of the intermediate zone.

Selon un mode de réalisation de l'invention, la surface bombée de la paroi de fond est bombée dans une direction transversale qui s'étend transversalement à la direction longitudinale du fer à repasser.According to one embodiment of the invention, the curved surface of the bottom wall is curved in a transverse direction which extends transversely to the longitudinal direction of the iron.

Selon un mode de réalisation de l'invention, la surface bombée est disposée sensiblement symétriquement par rapport à un plan longitudinal médian du fer à repasser.According to one embodiment of the invention, the curved surface is arranged substantially symmetrically with respect to a median longitudinal plane of the iron.

Selon un mode de réalisation de l'invention, la surface bombée est située dans une zone longitudinale centrale de la paroi de fond.According to one embodiment of the invention, the curved surface is located in a central longitudinal zone of the bottom wall.

Selon un mode de réalisation de l'invention, la surface bombée comporte une première portion de paroi inclinée en direction d'un premier bord latéral de la paroi de fond, une deuxième portion de paroi inclinée en direction d'un deuxième bord latéral de la paroi de fond, et une crête longitudinale reliant les première et deuxième portions de paroi. La crête longitudinale peut par exemple s'étendre dans le plan longitudinal médian du fer à repasser, et peut par exemple présenter une section transversale arrondie.According to one embodiment of the invention, the curved surface comprises a first wall portion inclined towards a first side edge of the bottom wall, a second wall portion inclined towards a second side edge of the bottom wall, and a longitudinal ridge connecting the first and second wall portions. The longitudinal ridge may for example extend in the median longitudinal plane of the iron, and may for example have a rounded cross section.

Selon un mode de réalisation de l'invention, le corps chauffant comporte une ouverture d'injection d'eau débouchant dans une partie avant de la chambre de vaporisation, et par exemple à proximité de l'extrémité avant de la paroi de fond.According to one embodiment of the invention, the heating body comprises a water injection opening opening into a front part of the vaporization chamber, and for example close to the front end of the bottom wall.

Selon un mode de réalisation de l'invention, l'ouverture d'injection d'eau est située au-dessus de la surface bombée. Ces dispositions évitent une accumulation d'eau dans la portion de la chambre de vaporisation située en dessous de la zone d'injection d'eau dans la chambre de vaporisation, et favorise donc la vaporisation de l'eau introduite dans la chambre de vaporisation. Ces dispositions améliorent ainsi encore l'efficacité de repassage du fer à repasser selon la présente invention.According to one embodiment of the invention, the water injection opening is located above the curved surface. These arrangements prevent an accumulation of water in the portion of the vaporization chamber situated below the zone for injecting water into the vaporization chamber, and therefore promotes the vaporization of the water introduced into the vaporization chamber. These arrangements thus further improve the ironing efficiency of the iron according to the present invention.

Selon un mode de réalisation de l'invention, la paroi de fond présente un sommet situé sensiblement en dessous de l'ouverture d'injection d'eau.According to one embodiment of the invention, the bottom wall has a top located substantially below the water injection opening.

Selon un mode de réalisation de l'invention, la deuxième résistance électrique chauffante s'étend à la périphérie de la surface bombée.According to one embodiment of the invention, the second electric heating resistor extends to the periphery of the curved surface.

Selon un mode de réalisation de l'invention, la deuxième résistance électrique chauffante comporte une première branche s'étendant à proximité d'un premier bord latéral de la surface bombée, et une deuxième branche s'étendant à proximité d'un deuxième bord latéral de la surface bombée qui est opposé au premier bord latéral.According to one embodiment of the invention, the second electric heating resistor comprises a first branch extending close to a first side edge of the curved surface, and a second branch extending close to a second side edge of the curved surface which is opposite the first side edge.

Selon un mode de réalisation de l'invention, l'ouverture d'injection d'eau débouche au-dessus d'une zone située entre les branches de la deuxième résistance électrique.According to one embodiment of the invention, the water injection opening opens above a zone located between the branches of the second electrical resistor.

Selon un mode de réalisation de l'invention, la deuxième résistance électrique chauffante comporte une portion de liaison reliant les première et deuxième branches respectives et située au niveau d'une partie arrière de la chambre de vaporisation.According to one embodiment of the invention, the second electric heating resistor comprises a connecting portion connecting the first and second respective branches and located at a rear part of the vaporization chamber.

Selon un mode de réalisation de l'invention, la surface bombée est configurée pour canaliser l'eau s'écoulant sur la surface bombée en direction des deux chemins d'écoulement latéraux. Ces dispositions permettent de diriger une éventuelle flaque d'eau formée dans la chambre de vaporisation vers les deux chemins d'écoulement latéraux qui sont situés à proximité des première et deuxième résistances électriques chauffantes, ce qui permet de favoriser la vaporisation de cette flaque d'eau, et donc d'éviter encore la projection de gouttelettes d'eau sur le linge à repasser.According to one embodiment of the invention, the domed surface is configured to channel the water flowing over the domed surface in the direction of the two lateral flow paths. These arrangements make it possible to direct any puddle of water formed in the vaporization chamber towards the two lateral flow paths which are located close to the first and second electric heating resistors, which makes it possible to promote the vaporization of this puddle of water, and therefore to still avoid the projection of water droplets on the linen to be ironed.

Selon un mode de réalisation de l'invention, la zone intermédiaire est configurée pour canaliser l'eau s'écoulant sur la zone intermédiaire en direction d'un plot de régulation sur lequel est monté un thermostat. Ces dispositions permettent de détecter l'apparition d'une flaque d'eau au niveau du plot de régulation, et donc de réguler l'alimentation électrique des première et/ou deuxième résistances électriques chauffantes au moyen du thermostat afin de vaporiser cette flaque d'eau, et donc d'éviter de mouiller un éventuel récipient de récupération de tartre situé à l'arrière de la chambre de vaporisation.According to one embodiment of the invention, the intermediate zone is configured to channel the water flowing over the intermediate zone in the direction of a regulation pad on which a thermostat is mounted. These provisions make it possible to detect the appearance of a puddle of water at the level of the regulation pad, and therefore to regulate the electrical supply of the first and/or second electrical heating resistors by means of the thermostat in order to vaporize this puddle of water, and therefore avoid wetting any scale collection container located at the rear of the vaporization chamber.

Selon un mode de réalisation de l'invention, le plot de régulation est situé entre les deux chemins d'écoulement latéraux. Avantageusement, le plot de régulation est situé au niveau d'une portion arrière de la chambre de vaporisation. De façon avantageuse, la deuxième résistance électrique chauffante comprend une portion courbe disposée à la verticale du plot de régulation lorsque la surface de repassage repose sur un support plan horizontal.According to one embodiment of the invention, the regulation pad is located between the two lateral flow paths. Advantageously, the regulation pad is located at a rear portion of the vaporization chamber. Advantageously, the second electric heating resistor comprises a curved portion arranged vertically to the regulation stud when the ironing surface rests on a horizontal plane support.

Selon un mode de réalisation de l'invention, le fer à repasser comporte un plot de régulation additionnel sur lequel est monté un thermostat additionnel, le plot de régulation additionnel étant situé au niveau d'une partie avant de la chambre de vaporisation. Ces dispositions permettent de réguler au mieux la température dans la chambre de vaporisation, et notamment d'éviter une surchauffe à l'avant de la chambre de vaporisation au cas où la flaque d'eau présente dans la chambre de vaporisation se soit déplacée vers l'arrière de la chambre de vaporisation.According to one embodiment of the invention, the iron comprises an additional regulation pad on which an additional thermostat is mounted, the additional regulation pad being located at a front part of the vaporization chamber. These arrangements make it possible to better regulate the temperature in the vaporization chamber, and in particular to avoid overheating at the front of the vaporization chamber in the event that the puddle of water present in the vaporization chamber has moved towards the back of the vaporization chamber.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante comporte une portion courbe disposée à la verticale du plot de régulation additionnel lorsque la surface de repassage repose sur un support plan horizontal.According to one embodiment of the invention, the first electric heating resistor comprises a curved portion arranged vertically to the additional regulation pad when the ironing surface rests on a horizontal plane support.

Selon un mode de réalisation de l'invention, le fer à repasser comporte un dispositif de régulation configuré pour réguler l'alimentation électrique de la première résistance électrique chauffante au moyen du thermostat additionnel monté sur le plot de régulation additionnel situé à l'avant de la chambre de vaporisation, et pour réguler l'alimentation électrique de la deuxième résistance électrique chauffante au moyen du thermostat monté sur le plot de régulation situé à l'arrière de la chambre de vaporisation.According to one embodiment of the invention, the iron comprises a regulating device configured to regulate the electrical supply of the first electric heating resistance by means of the additional thermostat mounted on the additional regulating stud located at the front of the vaporization chamber, and to regulate the electrical supply of the second electric heating resistor by means of the thermostat mounted on the regulation stud located at the rear of the vaporization chamber.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante est située au-dessus de la deuxième résistance électrique chauffante lorsque la surface de repassage repose sur un support plan horizontal. En d'autres termes, la première résistance électrique chauffante est située à une altitude plus haute que la deuxième résistance électrique chauffante lorsque la surface de repassage repose sur un support plan horizontal.According to one embodiment of the invention, the first electric heating resistance is located above the second electric heating resistance when the ironing surface rests on a horizontal plane support. In other words, the first electric heating resistance is located at a higher altitude than the second electric heating resistance when the ironing surface rests on a horizontal plane support.

Selon un mode de réalisation de l'invention, le corps chauffant comporte une fonderie délimitant au moins en partie la chambre de vaporisation. Avantageusement, les première et deuxième résistances électriques chauffantes sont intégrées dans la fonderie.According to one embodiment of the invention, the heating body comprises a casting delimiting at least in part the vaporization chamber. Advantageously, the first and second electric heating resistances are integrated in the foundry.

Selon un mode de réalisation de l'invention, le corps chauffant comporte une plaque de fermeture qui repose sur la fonderie, la chambre de vaporisation étant délimitée par la fonderie et la plaque de fermeture.According to one embodiment of the invention, the heating body comprises a closure plate which rests on the foundry, the vaporization chamber being delimited by the foundry and the closure plate.

Selon un mode de réalisation de l'invention, le circuit de distribution de vapeur comporte une cavité de récupération de tartre, le fer à repasser comprenant un récipient de récupération de tartre qui est disposé dans la cavité de récupération de tartre.According to one embodiment of the invention, the steam distribution circuit comprises a scale recovery cavity, the iron comprising a scale recovery container which is placed in the scale recovery cavity.

Selon un mode de réalisation de l'invention, le récipient de récupération de tartre est configuré pour collecter des particules de tartre provenant de la chambre de vaporisation.According to one embodiment of the invention, the scale collection vessel is configured to collect scale particles from the vaporization chamber.

Selon un mode de réalisation de l'invention, le récipient de récupération de tartre est amovible.According to one embodiment of the invention, the scale recovery container is removable.

Selon un mode de réalisation de l'invention, la cavité de récupération de tartre est disposée à l'arrière de la chambre de vaporisation.According to one embodiment of the invention, the scale recovery cavity is arranged at the rear of the vaporization chamber.

Selon un mode de réalisation de l'invention, la cavité de récupération de tartre comprend un orifice d'évacuation fermé par un bouchon amovible qui est accessible depuis l'extérieur du fer à repasser.According to one embodiment of the invention, the scale recovery cavity comprises an evacuation orifice closed by a removable plug which is accessible from outside the iron.

Selon un mode de réalisation de l'invention, l'orifice d'évacuation est disposé à l'arrière du fer à repasser.According to one embodiment of the invention, the discharge orifice is arranged at the rear of the iron.

Selon un mode de réalisation de l'invention, le récipient de récupération de tartre est solidaire du bouchon amovible.According to one embodiment of the invention, the scale recovery container is secured to the removable plug.

Selon un mode de réalisation de l'invention, la cavité de récupération de tartre est reliée à la chambre de vaporisation par une ouverture de liaison débouchant dans l'extrémité arrière de la chambre de vaporisation.According to one embodiment of the invention, the scale recovery cavity is connected to the vaporization chamber by a connection opening opening out into the rear end of the vaporization chamber.

Selon un mode de réalisation de l'invention, le récipient de récupération de tartre comprend un élément de filtration comportant des ouvertures de passage configurées pour retenir des particules de tartre entraînées par la vapeur s'écoulant dans le circuit de distribution de vapeur. Avantageusement, chacune des ouvertures de passage présente une dimension comprise entre 0,05 mm et 0,5 mm.According to one embodiment of the invention, the scale collection vessel comprises a filtration element comprising passage openings configured to retain scale particles entrained by the steam flowing in the steam distribution circuit. Advantageously, each of the passage openings has a dimension of between 0.05 mm and 0.5 mm.

Selon un mode de réalisation de l'invention, le circuit de distribution de vapeur comporte au moins un canal d'échappement débouchant dans la cavité de récupération de tartre, l'au moins un canal d'échappement étant relié fluidiquement à l'au moins un orifice de sortie de vapeur. Avantageusement, l'au moins un canal d'échappement est situé en aval de l'élément de filtration.According to one embodiment of the invention, the steam distribution circuit comprises at least one exhaust channel opening into the scale recovery cavity, the at least one exhaust channel being fluidly connected to the at least a steam outlet. Advantageously, the at least one exhaust channel is located downstream of the filtration element.

Selon un mode de réalisation de l'invention, le circuit de distribution de vapeur comporte deux canaux d'échappement situés respectivement de chaque côté de l'ouverture de liaison.According to one embodiment of the invention, the steam distribution circuit comprises two exhaust channels located respectively on each side of the connecting opening.

Selon un mode de réalisation de l'invention, le circuit de distribution de vapeur comporte une chambre de distribution ménagée sous le corps chauffant, la chambre de distribution de vapeur reliant fluidiquement l'au moins un canal d'échappement à l'au moins un orifice de sortie de vapeur.According to one embodiment of the invention, the steam distribution circuit comprises a distribution chamber provided under the heating body, the steam distribution chamber fluidically connecting the at least one exhaust channel to the at least one steam outlet.

Selon un mode de réalisation de l'invention, la première résistance électrique chauffante s'étend dans un premier plan d'extension et la deuxième résistance électrique chauffante s'étend dans un deuxième plan d'extension qui est sensiblement parallèle au première plan d'extension.According to one embodiment of the invention, the first electric heating resistance extends in a first plane of extension and the second electric heating resistance extends in a second plane of extension which is substantially parallel to the first plane of extension. extension.

Selon un mode de réalisation de l'invention, le thermostat et le thermostat additionnel sont réalisés respectivement par un capteur de température et un capteur de température additionnel reliés à un microcontrôleur.According to one embodiment of the invention, the thermostat and the additional thermostat are produced respectively by a temperature sensor and an additional temperature sensor connected to a microcontroller.

La présente invention concerne en outre un appareil de repassage comprenant un fer à repasser selon l'invention, un réservoir d'eau et un circuit d'alimentation relié fluidiquement au réservoir d'eau et configuré pour alimenter en eau la chambre de vaporisation.The present invention further relates to an ironing appliance comprising an iron according to the invention, a water tank and a supply circuit fluidically connected to the water tank and configured to supply water to the vaporization chamber.

Selon un mode de réalisation de l'invention, le circuit d'alimentation comporte un conduit d'acheminement d'eau reliant fluidiquement le réservoir d'eau à la chambre de vaporisation.According to one embodiment of the invention, the supply circuit comprises a conduit for conveying water fluidly connecting the water reservoir to the vaporization chamber.

Selon un mode de réalisation de l'invention, l'appareil de repassage comporte une base sur laquelle le fer à repasser est disposé lors des phases inactives de repassage.According to one embodiment of the invention, the ironing appliance comprises a base on which the iron is placed during inactive ironing phases.

Selon un mode de réalisation de l'invention, la base renferme le réservoir d'eau.According to one embodiment of the invention, the base encloses the water reservoir.

Selon un mode de réalisation de l'invention, le circuit d'alimentation comporte une pompe d'alimentation configurée pour alimenter la chambre de vaporisation en eau provenant du réservoir d'eau. Avantageusement, la pompe d'alimentation est intégrée dans la base.According to one embodiment of the invention, the supply circuit comprises a supply pump configured to supply the vaporization chamber with water coming from the water tank. Advantageously, the feed pump is integrated into the base.

Brève description des figuresBrief description of figures

L'invention sera bien comprise à l'aide de la description qui suit en référence aux dessins schématiques annexés représentant, à titre d'exemple non limitatif, une forme d'exécution de cet appareil de repassage.

  • [Fig. 1] La figure 1 est une vue en perspective d'un appareil de repassage selon l'invention.
  • [Fig. 2] La figure 2 est une vue partielle en perspective d'un fer à repasser de l'appareil de repassage de la figure 1.
  • [Fig. 3] La figure 3 est une vue partielle en perspective du fer à repasser de la figure 2.
  • [Fig. 4] La figure 4 est une vue partielle de dessus du fer à repasser de la figure 2.
  • [Fig. 5] La figure 5 est une vue en coupe selon la ligne V-V de la figure 4.
  • [Fig. 6] La figure 6 est une vue en coupe selon la ligne VI-VI de la figure 4.
  • [Fig. 7] La figure 7 est une vue en coupe selon la ligne VII-VII de la figure 4.
  • [Fig. 8] La figure 8 est une vue en coupe selon la ligne VIII-VIII de la figure 4.
  • [Fig. 9] La figure 9 est une vue en coupe selon la ligne IX-IX de la figure 4.
  • [Fig. 10] La figure 10 est une vue similaire à la figure 3 d'un fer à repasser selon un second mode de réalisation.
  • [Fig. 11] La figure 11 est une vue partielle de dessus du fer à repasser de la figure 10.
The invention will be better understood with the aid of the following description with reference to the appended diagrammatic drawings showing, by way of non-limiting example, one embodiment of this ironing appliance.
  • [ Fig. 1 ] There figure 1 is a perspective view of an ironing appliance according to the invention.
  • [ Fig. 2 ] There picture 2 is a partial perspective view of an iron of the ironing apparatus of the figure 1 .
  • [ Fig. 3 ] There picture 3 is a partial perspective view of the iron of the figure 2 .
  • [ Fig. 4 ] There figure 4 is a partial top view of the iron of the picture 2 .
  • [ Fig. 5 ] There figure 5 is a sectional view along the line VV of the figure 4 .
  • [ Fig. 6 ] There figure 6 is a sectional view along line VI-VI of the figure 4 .
  • [ Fig. 7 ] There figure 7 is a sectional view along line VII-VII of the figure 4 .
  • [ Fig. 8 ] There figure 8 is a sectional view along the line VIII-VIII of the figure 4 .
  • [ Fig. 9 ] There figure 9 is a sectional view along the line IX-IX of the figure 4 .
  • [ Fig. 10 ] There figure 10 is a view similar to the picture 3 of an iron according to a second embodiment.
  • [ Fig. 11 ] There figure 11 is a partial top view of the iron of the figure 10 .

Description détailléedetailed description

Les figures 1 à 9 représentent un appareil de repassage 2 qui comporte un fer à repasser 3 et une base 4 sur laquelle le fer à repasser 3 peut être disposé lors des phases inactives de repassage.THE figures 1 to 9 represent an ironing appliance 2 which comprises an iron 3 and a base 4 on which the iron 3 can be placed during inactive ironing phases.

L'appareil de repassage 2 comporte en outre un réservoir d'eau 5 intégré dans la base 4 et pouvant par exemple être amovible, et un circuit d'alimentation relié fluidiquement au réservoir d'eau 5. Le circuit d'alimentation comporte notamment un conduit d'acheminement d'eau 6 reliant fluidiquement le réservoir d'eau 5 au fer à repasser 3, et une pompe d'alimentation (non visible sur les figures) intégrée dans la base 4 et configurée pour alimenter le fer à repasser 3 en eau provenant du réservoir d'eau 5.The ironing appliance 2 further comprises a water tank 5 integrated into the base 4 and which can for example be removable, and a supply circuit fluidly connected to the water tank 5. The supply circuit comprises in particular a water supply pipe 6 fluidly connecting the water tank 5 to the iron iron 3, and a supply pump (not visible in the figures) integrated in the base 4 and configured to supply the iron 3 with water coming from the water tank 5.

Le fer à repasser 3 comporte un boîtier 7 comportant une partie de préhension 8 à son extrémité supérieure, et une semelle de repassage 9 munie d'une surface de repassage 11 sensiblement plane et d'une pluralité d'orifices de sortie de vapeur 12 débouchant dans la surface de repassage 11.The iron 3 comprises a housing 7 comprising a gripping part 8 at its upper end, and an ironing soleplate 9 provided with a substantially flat ironing surface 11 and with a plurality of steam outlet orifices 12 emerging in the ironing surface 11.

Comme montré plus particulièrement sur la figure 2, le fer à repasser 3 comporte également un corps chauffant 13 intégré dans la partie basse du boitier 7, et lié thermiquement et mécaniquement à la semelle de repassage 9. Le corps chauffant 13 comporte une fonderie 14, par exemple en aluminium, et une plaque de fermeture 15 qui repose sur la fonderie 14.As shown more particularly on the figure 2 , the iron 3 also comprises a heating body 13 integrated into the lower part of the case 7, and thermally and mechanically linked to the ironing soleplate 9. The heating body 13 comprises a foundry 14, for example aluminum, and a plate closure 15 which rests on the foundry 14.

Le corps chauffant 13 comporte également une chambre de vaporisation 16, de type à vaporisation instantanée, délimitée par la fonderie 14 et la plaque de fermeture 15. La fonderie 14 comporte plus particulièrement une paroi périphérique 17 délimitant latéralement la chambre de vaporisation 16. Avantageusement, la chambre de vaporisation 16 est au moins en partie, et par exemple sensiblement entièrement, revêtue intérieurement par un revêtement anti-caléfaction.The heating body 13 also comprises a vaporization chamber 16, of the instantaneous vaporization type, delimited by the casting 14 and the closure plate 15. The casting 14 more particularly comprises a peripheral wall 17 laterally delimiting the vaporization chamber 16. Advantageously, the vaporization chamber 16 is at least partly, and for example substantially entirely, internally coated with an anti-calefaction coating.

Le corps chauffant 13 comporte en outre un première résistance électrique chauffante 18 et une deuxième résistance électrique chauffante 19 qui sont intégrées dans la fonderie 14. De manière préférentielle la première résistance électrique chauffante 18 et la deuxième résistance électrique chauffante 19 présentent une forme générale en U, V ou Ω.The heating body 13 further comprises a first electric heating resistance 18 and a second electric heating resistance 19 which are integrated in the foundry 14. Preferably the first electric heating resistance 18 and the second electric heating resistance 19 have a general U-shape. , V or Ω.

Les première et deuxième résistances électriques chauffantes 18, 19 sont plus particulièrement visibles en pointillé sur la figure 4.The first and second electrical heating resistors 18, 19 are more particularly visible in dotted lines on the figure 4 .

Selon le mode représenté sur les figures, la première résistance électrique chauffante 18 comporte une première branche 18.1 s'étendant à proximité d'une première portion latérale de la chambre de vaporisation 16, et une deuxième branche 18.2 s'étendant à proximité d'une deuxième portion latérale de la chambre de vaporisation 16, et la deuxième résistance électrique chauffante 19 s'étend à l'intérieur des première et deuxième branches 18.1, 18.2 de la première résistance électrique chauffante 18. De façon avantageuse, la première résistance électrique chauffante 18 et la deuxième résistance électrique chauffante 19 sont disposées tête-bêche. A titre d'exemple et afin de permettre leur alimentation électrique, la première résistance électrique chauffante 18 comporte deux extrémités de raccordement 18A, 18B faisant saillie en dehors de la fonderie 14 du côté de l'extrémité arrière du corps chauffant 13 et la deuxième résistance électrique chauffante 19 comporte deux extrémités de raccordement 19A,19B faisant saillie en dehors de la fonderie du côté de l'extrémité avant du corps chauffant 13.According to the mode represented in the figures, the first electric heating resistor 18 comprises a first branch 18.1 extending close to a first lateral portion of the vaporization chamber 16, and a second branch 18.2 extending close to a second side portion of the chamber 16, and the second electric heating resistance 19 extends inside the first and second branches 18.1, 18.2 of the first electric heating resistance 18. Advantageously, the first electric heating resistance 18 and the second electric heating resistance 19 are arranged head to tail. By way of example and in order to allow their electrical supply, the first electrical heating resistance 18 comprises two connection ends 18A, 18B projecting outside the foundry 14 on the side of the rear end of the heating body 13 and the second resistance electric heater 19 has two connection ends 19A, 19B projecting outside the foundry on the side of the front end of the heating body 13.

De manière préférentielle, les première et deuxième résistances électriques chauffantes 18, 19 présentent une puissance cumulée supérieure à 2400W. A titre d'exemple, la première résistance électrique chauffante 18 pourra présenter une puissance électrique de l'ordre de 2000W et la deuxième résistance électrique chauffante 19 présenter pourra une puissance électrique de l'ordre de 1000W, une telle répartition de puissance permettant d'équilibrer la densité de puissance au vu de la longueur respective des deux résistances électriques chauffantes pour atteindre un total de 3000W.Preferably, the first and second electric heating resistors 18, 19 have a combined power greater than 2400W. By way of example, the first electrical heating resistor 18 may present an electrical power of the order of 2000W and the second electrical heating resistor 19 may present an electrical power of the order of 1000W, such a power distribution making it possible to balance the power density in view of the respective length of the two electric heating resistors to reach a total of 3000W.

De façon avantageuse, la première résistance électrique chauffante 18 s'étend dans un premier plan d'extension et la deuxième résistance électrique chauffante 19 s'étend dans un deuxième plan d'extension qui est sensiblement parallèle au premier plan d'extension et préférentiellement sensiblement parallèle au plan de la surface de repassage 11.Advantageously, the first electric heating resistance 18 extends in a first plane of extension and the second electric heating resistance 19 extends in a second plane of extension which is substantially parallel to the first plane of extension and preferably substantially parallel to the plane of the ironing surface 11.

Selon le mode de réalisation représenté sur les figures, la première résistance électrique chauffante 18 est située à une altitude plus élevée que la deuxième résistance électrique chauffante 19 lorsque la surface de repassage 11 repose sur un support plan horizontal.According to the embodiment shown in the figures, the first electric heating resistance 18 is located at a higher altitude than the second electric heating resistance 19 when the ironing surface 11 rests on a horizontal plane support.

La chambre de vaporisation 16 comporte une paroi de fond 21, sur laquelle de l'eau est destinée à s'écouler pour produire de la vapeur, qui présente avantageusement une multitude de plots pyramidaux qui font saillie sur la paroi de fond 21 afin d'augmenter la surface d'échange thermique. La paroi de fond 21 comporte avantageusement une surface bombée 22 située dans une zone longitudinale centrale de la paroi de fond 21. La surface bombée 22 est plus particulièrement bombée dans une direction transversale D1 qui s'étend transversalement à la direction longitudinale D2 du fer à repasser 3.The vaporization chamber 16 comprises a bottom wall 21, over which water is intended to flow to produce steam, which advantageously has a multitude of pyramidal studs which protrude from the bottom wall 21 in order to increase the heat exchange surface. The back wall 21 advantageously comprises a curved surface 22 located in a central longitudinal zone of the bottom wall 21. The curved surface 22 is more particularly curved in a transverse direction D1 which extends transversely to the longitudinal direction D2 of the iron 3.

Selon le mode de réalisation représenté sur les figures, la surface bombée 22 est disposée symétriquement par rapport à un plan longitudinal médian du fer à repasser 3, et comporte une première portion de paroi 22.1 inclinée en direction d'un premier bord latéral de la paroi de fond 21, une deuxième portion de paroi 22.2 inclinée en direction d'un deuxième bord latéral de la paroi de fond 21, et une crête longitudinale 22.3 reliant les première et deuxième portions de paroi 22.1, 22.2. La crête longitudinale 22.3 peut par exemple s'étendre dans le plan longitudinal médian du fer à repasser 3, et peut par exemple présenter une section transversale arrondie.According to the embodiment shown in the figures, the curved surface 22 is arranged symmetrically with respect to a median longitudinal plane of the iron 3, and comprises a first wall portion 22.1 inclined in the direction of a first lateral edge of the wall bottom 21, a second wall portion 22.2 inclined towards a second side edge of the bottom wall 21, and a longitudinal ridge 22.3 connecting the first and second wall portions 22.1, 22.2. The longitudinal ridge 22.3 can for example extend in the median longitudinal plane of the iron 3, and can for example have a rounded cross section.

Avantageusement, la première résistance électrique chauffante 18 s'étend dans une première zone de la paroi de fond 21 située à la périphérie de la paroi de fond 21, tandis que la deuxième résistance électrique chauffante 19 s'étend dans une deuxième zone de la paroi de fond 21 située à la périphérie de la surface bombée 22. En d'autres termes, la première résistance électrique chauffante 18 s'étend à la périphérie de la paroi de fond 21, et la deuxième résistance électrique chauffante 19 s'étend à la périphérie de la surface bombée 22.Advantageously, the first electric heating resistance 18 extends in a first zone of the bottom wall 21 located at the periphery of the bottom wall 21, while the second electric heating resistance 19 extends in a second zone of the wall bottom 21 located at the periphery of the curved surface 22. In other words, the first electric heating resistance 18 extends to the periphery of the bottom wall 21, and the second electric heating resistance 19 extends to the periphery of the curved surface 22.

La paroi de fond 21 comprend de plus une zone intermédiaire 23 s'étendant entre les première et deuxième zones de la paroi de fond 21, et donc entre la surface bombée 22 et la périphérie de la paroi de fond 21. La zone intermédiaire 23 comprend plus particulièrement deux chemins d'écoulement latéraux 23.1, 23.2 s'étendant entre les première et deuxième résistances électriques chauffantes, chacun des chemins d'écoulement latéraux étant incliné vers l'arrière de la chambre de vaporisation 16 et la surface bombée 22 étant configurée pour canaliser l'eau s'écoulant sur la surface bombée 22 en direction des deux chemins d'écoulement latéraux 23.1, 23.2.The bottom wall 21 further comprises an intermediate zone 23 extending between the first and second zones of the bottom wall 21, and therefore between the curved surface 22 and the periphery of the bottom wall 21. The intermediate zone 23 comprises more particularly two lateral flow paths 23.1, 23.2 extending between the first and second electric heating resistors, each of the lateral flow paths being inclined towards the rear of the vaporization chamber 16 and the curved surface 22 being configured to channeling the water flowing over the curved surface 22 in the direction of the two lateral flow paths 23.1, 23.2.

Le corps chauffant 13 comporte en outre un plot de régulation 24 situé entre les deux chemins d'écoulement latéraux 23.1, 23.2, au niveau de l'extrémité arrière de la chambre de vaporisation 16, chacun des chemins d'écoulement latéraux 23.1, 23.2 étant incliné vers l'arrière de la chambre de vaporisation 16 c'est-à-dire vers le plot de régulation 24. Les deux chemins d'écoulement latéraux 23.1, 23.2 sont avantageusement situés en contrebas du contour de la surface bombée 22 au niveau de la partie arrière de la chambre de vaporisation 16, de sorte qu'il résulte une marche entre le fond des deux chemins d'écoulement latéraux 23.1, 23.2 et le contour de la surface bombée 22. L'extrémité arrière de la chambre de vaporisation 16 comporte deux parois de barrage 20 qui font transversalement saillie sur la paroi de fond 21 de la chambre de vaporisation 16, entre le plot de régulation 24 et la paroi périphérique 17, les deux parois de barrage 20 retenant l'eau s'écoulant le long des chemins d'écoulement latéraux 23.1, 23.2 formant ainsi une cavité de rétention 27 en amont de la paroi de barrage 20.The heating body 13 further comprises a regulation stud 24 located between the two lateral flow paths 23.1, 23.2, at the level of the rear end of the vaporization chamber 16, each of the lateral flow paths 23.1, 23.2 being inclined towards the rear of the vaporization chamber 16, that is to say towards the regulation stud 24. The two lateral flow paths 23.1 , 23.2 are advantageously located below the contour of the curved surface 22 at the level of the rear part of the vaporization chamber 16, so that there results a step between the bottom of the two lateral flow paths 23.1, 23.2 and the contour of the curved surface 22. The rear end of the vaporization chamber 16 comprises two barrier walls 20 which project transversely from the bottom wall 21 of the vaporization chamber 16, between the regulation pad 24 and the peripheral wall 17, the two dam walls 20 retaining the water flowing along the lateral flow paths 23.1, 23.2 thus forming a retention cavity 27 upstream of the dam wall 20.

Comme montré plus particulièrement sur les figures 2 et 3, le plot de régulation 24 est formé par la fonderie 14 et est situé au niveau d'une portion arrière de la surface bombée 22, l'extrémité supérieure du plot de régulation s'étendant à travers la plaque de fermeture 15. Selon le mode de réalisation représenté sur les figures, le fer à repasser 3 comporte un thermostat (non représenté) monté sur le plot de régulation 24, et la zone intermédiaire 23 est configurée pour canaliser l'eau s'écoulant sur la zone intermédiaire 23 en direction du plot de régulation 24.As shown more particularly on the figure 2 And 3 , the regulating stud 24 is formed by the foundry 14 and is located at a rear portion of the curved surface 22, the upper end of the regulating stud extending through the closing plate 15. According to the mode embodiment shown in the figures, the iron 3 comprises a thermostat (not shown) mounted on the regulation stud 24, and the intermediate zone 23 is configured to channel the water flowing over the intermediate zone 23 in the direction of the regulation stud 24.

Le corps chauffant 13 comporte également un plot de régulation additionnel 26 situé au niveau d'une partie avant de la chambre de vaporisation 16. Avantageusement, le plot de régulation additionnel 26 est situé verticalement au-dessus de l'extrémité recourbée de la première résistance électrique chauffante 18 et le plot de régulation 24 est situé au-dessus de l'extrémité recourbée de la deuxième résistance électrique chauffante 19. Comme montré plus particulièrement sur les figures 2 et 3, le plot de régulation additionnel 26 est formé par la fonderie 14 et s'étend à travers la plaque de fermeture 15. Selon le mode de réalisation représenté sur les figures, le fer à repasser 3 comporte un thermostat additionnel (non représenté) monté sur le plot de régulation additionnel 26.The heating body 13 also comprises an additional regulation pad 26 located at a front part of the vaporization chamber 16. Advantageously, the additional regulation pad 26 is located vertically above the curved end of the first resistor electrical heater 18 and the regulation pad 24 is located above the curved end of the second electrical heating resistor 19. As shown more particularly on the figure 2 And 3 , the additional regulation pad 26 is formed by the foundry 14 and extends through the closure plate 15. According to the embodiment shown in the figures, the iron 3 comprises an additional thermostat (not shown) mounted on the additional regulation stud 26.

Le fer à repasser 3 comporte avantageusement un dispositif de régulation (non représenté sur les figures) configuré pour réguler l'alimentation électrique de la première résistance électrique chauffante 18 au moyen du thermostat additionnel monté sur le plot de régulation additionnel 26 situé à l'avant de la chambre de vaporisation 16 et pour réguler l'alimentation électrique de la deuxième résistance électrique chauffante 19 au moyen du thermostat monté sur le plot de régulation 24 situé à l'arrière de la chambre de vaporisation 16.The iron 3 advantageously includes a regulating device (not shown in the figures) configured to regulate the electrical supply to the first electrical resistance heater 18 by means of the additional thermostat mounted on the additional regulation pad 26 located at the front of the vaporization chamber 16 and to regulate the electrical supply of the second electrical resistance heater 19 by means of the thermostat mounted on the regulation pad 24 located at the rear of the vaporization chamber 16.

Le corps chauffant 13 comporte en outre une ouverture d'injection d'eau 28 reliée fluidiquement à la pompe d'alimentation et débouchant dans une partie avant de la chambre de vaporisation 16, et par exemple à proximité de l'extrémité avant de la paroi de fond 21. La pompe d'alimentation est ainsi configurée pour alimenter la chambre de vaporisation 16 en eau provenant du réservoir d'eau 5 avec une pression supérieure à 500 Pa, l'ensemble étant adapté pour permettre la production d'un débit de vapeur supérieur à 60 gr/min selon le cycle normalisé de 5 sec de vaporisation suivi de 15 sec d'arrêtThe heating body 13 further comprises a water injection opening 28 fluidly connected to the feed pump and opening into a front part of the vaporization chamber 16, and for example near the front end of the wall. bottom 21. The supply pump is thus configured to supply the vaporization chamber 16 with water coming from the water tank 5 with a pressure greater than 500 Pa, the assembly being adapted to allow the production of a flow rate of steam greater than 60 gr/min according to the standardized cycle of 5 sec of vaporization followed by 15 sec of stoppage

De façon avantageuse, l'ouverture d'injection d'eau 28 est ménagée sur la plaque de fermeture 15, et débouche dans la chambre de vaporisation 16 au-dessus d'une zone d'injection d'eau située à proximité de l'extrémité avant de la paroi de fond 21, et entre les branches de la deuxième résistance électrique chauffante 19. De façon avantageuse, la paroi de fond 21 présente un sommet situé sensiblement en dessous de l'ouverture d'injection d'eau 28.Advantageously, the water injection opening 28 is provided on the closure plate 15, and opens into the vaporization chamber 16 above a water injection zone located close to the front end of the bottom wall 21, and between the branches of the second electric heating resistor 19. Advantageously, the bottom wall 21 has a top located substantially below the water injection opening 28.

Le fer à repasser 3 comprend en outre un circuit de distribution de vapeur 29 défini par la fonderie 14 et la plaque de fermeture 15, et reliant fluidiquement la chambre de vaporisation 16 aux orifices de sortie de vapeur 12, et ce de telle sorte que la vapeur générée dans la chambre de vaporisation 16 puisse s'écouler jusqu'aux orifices de sortie de vapeur 12. Avantageusement, le circuit de distribution de vapeur 29 est au moins en partie revêtu intérieurement par un revêtement anti-caléfaction.The iron 3 further comprises a steam distribution circuit 29 defined by the foundry 14 and the closure plate 15, and fluidly connecting the vaporization chamber 16 to the steam outlet orifices 12, and this in such a way that the steam generated in the vaporization chamber 16 can flow to the steam outlet orifices 12. Advantageously, the steam distribution circuit 29 is at least partly coated internally with an anti-calefaction coating.

Le circuit de distribution de vapeur 29 comporte notamment une cavité de récupération de tartre 31 comprenant un orifice d'évacuation 32 fermé par un bouchon amovible 33 qui est accessible depuis l'extérieur du fer à repasser 3. De façon avantageuse, l'orifice d'évacuation 32 débouche dans une surface arrière du boîtier 7 du fer à repasser 3.The steam distribution circuit 29 comprises in particular a scale recovery cavity 31 comprising an evacuation orifice 32 closed by a removable plug 33 which is accessible from outside the iron 3. Advantageously, the orifice of evacuation 32 opens into a rear surface of the housing 7 of the iron 3.

La cavité de récupération de tartre 31 est disposée à l'arrière de la chambre de vaporisation 16, et est reliée à la chambre de vaporisation 16 par une ouverture de liaison 34 débouchant dans l'extrémité arrière de la chambre de vaporisation 16. La cavité de récupération de tartre 31 est avantageusement située dans une partie du boîtier 7 se trouvant en porte-à-faux derrière la semelle de repassage 9 lorsque le fer à repasser 3 repose sur la semelle de repassage 9.The scale recovery cavity 31 is arranged at the rear of the vaporization chamber 16, and is connected to the vaporization chamber 16 by a connection opening 34 opening out into the rear end of the vaporization chamber 16. The cavity scale recovery 31 is advantageously located in a part of the housing 7 which is cantilevered behind the ironing soleplate 9 when the iron 3 rests on the ironing soleplate 9.

Le fer à repasser 3 comprend en outre un récipient de récupération de tartre 35 qui est monté, par exemple de manière amovible, dans la cavité de récupération de tartre 31. Le récipient de récupération de tartre 35 est configuré pour collecter des particules de tartre provenant de la chambre de vaporisation 16. Ces particules de tartre peuvent tomber par gravité depuis la chambre de vaporisation 16 lorsque la semelle de repassage 9 est inclinée par rapport à l'horizontale, et par exemple lorsque le fer à repasser 3 repose sur la base 4, et peuvent également être entraînées par la vapeur provenant de la chambre de vaporisation 16. De façon avantageuse, le récipient de récupération de tartre 35 est solidaire du bouchon amovible 33.The iron 3 further comprises a scale collection container 35 which is mounted, for example in a removable manner, in the scale collection cavity 31. The scale collection container 35 is configured to collect particles of scale from of the vaporization chamber 16. These scale particles can fall by gravity from the vaporization chamber 16 when the ironing soleplate 9 is inclined with respect to the horizontal, and for example when the iron 3 rests on the base 4 , and can also be entrained by the steam coming from the vaporization chamber 16. Advantageously, the scale recovery container 35 is integral with the removable plug 33.

Le récipient de récupération de tartre 35 peut éventuellement comprendre un élément de filtration comportant des ouvertures de passage configurées pour retenir des particules de tartre entraînées par la vapeur s'écoulant dans le circuit de distribution de vapeur. Avantageusement, chacune des ouvertures de passage présente une dimension comprise entre 0,05 mm et 0,5 mm.The scale collection container 35 may optionally include a filtration element having passage openings configured to retain scale particles entrained by the steam flowing in the steam distribution circuit. Advantageously, each of the passage openings has a dimension of between 0.05 mm and 0.5 mm.

De manière préférentielle, le circuit de distribution de vapeur 29 comporte deux canaux d'échappement 25, visibles sur la figure 8, disposés symétriquement de part et d'autre de l'ouverture de liaison 34, ces deux canaux d'échappement 25 reliant la cavité de récupération de tartre 31 avec une chambre de distribution de vapeur ménagée sous le corps chauffant 13 afin d'alimenter les orifices de sortie de vapeur 11 de la semelle de repassage 9.Preferably, the steam distribution circuit 29 comprises two exhaust channels 25, visible on the figure 8 , arranged symmetrically on either side of the connecting opening 34, these two exhaust channels 25 connecting the scale recovery cavity 31 with a steam distribution chamber provided under the heating body 13 in order to supply the steam outlet holes 11 of the ironing soleplate 9.

Lorsque de l'eau est injectée dans la chambre de vaporisation 16 du fer à repasser 3 via l'ouverture d'injection d'eau 28, une partie de l'eau injectée est vaporisée au contact de la surface bombée 22 qui est située en dessous de l'ouverture d'injection d'eau 28, tandis que l'eau non vaporisée est guidée par la surface bombée 22 en direction des deux chemins d'écoulement latéraux 23.1, 23.2, le plot de régulation 24 formant un obstacle empêchant l'eau de s'écouler directement en direction de l'ouverture de liaison 34 ménagée à l'arrière de la chambre de vaporisation 16. L'eau non vaporisée se propage ensuite, sous la forme d'une flaque d'eau, le long des deux chemins d'écoulement latéraux 23.1, 23.2 et vers l'arrière de la chambre de vaporisation 16, sous l'effet conjugué notamment de la gravité (les chemins d'écoulement latéraux sont inclinés vers l'arrière) et des forces de trainée liées au flux de vapeur qui s'échappe vers l'ouverture de liaison 34.When water is injected into the vaporization chamber 16 of the iron 3 via the water injection opening 28, part of the injected water is vaporized in contact with the curved surface 22 which is located in below the water injection opening 28, while the unvaporized water is guided by the surface convex 22 in the direction of the two lateral flow paths 23.1, 23.2, the regulation stud 24 forming an obstacle preventing the water from flowing directly in the direction of the connecting opening 34 provided at the rear of the chamber of vaporization 16. The unvaporized water then spreads, in the form of a puddle, along the two lateral flow paths 23.1, 23.2 and towards the rear of the vaporization chamber 16, under the combined effect in particular of gravity (the lateral flow paths are inclined towards the rear) and of the drag forces linked to the flow of vapor which escapes towards the connecting opening 34.

Lorsque la flaque d'eau atteint les parois de barrage 20 (via l'un ou l'autre des deux chemins d'écoulement latéraux 23.1, 23.2), elle est bloquée dans la cavité de rétention 27 formée en amont de la paroi de barrage 20, au pied du plot de régulation 24, de sorte que la température du plot de régulation 24 diminue, ce qui permet au thermostat d'informer le dispositif de régulation de façon à enclencher l'alimentation électrique de la deuxième résistance électrique chauffante 19. La puissance thermique absorbée par la flaque d'eau, qui se trouve alors à proximité directe des première et deuxième résistances électriques chauffantes 18, 19, permet de résorber la taille de la flaque d'eau, la présence de la paroi de barrage 20 permettent d'empêcher l'eau d'être entrainée jusqu'à l'ouverture de liaison 34 et donc jusqu'au récipient de récupération de tartre 35.When the puddle of water reaches the dam walls 20 (via either of the two lateral flow paths 23.1, 23.2), it is blocked in the retention cavity 27 formed upstream of the dam wall. 20, at the foot of the regulation stud 24, so that the temperature of the regulation stud 24 decreases, which allows the thermostat to inform the regulation device so as to switch on the electrical supply of the second electric heating resistor 19. The thermal power absorbed by the puddle of water, which is then in direct proximity to the first and second electric heating resistors 18, 19, makes it possible to reduce the size of the puddle of water, the presence of the barrier wall 20 allows to prevent water from being drawn into the connecting opening 34 and therefore into the scale recovery container 35.

En outre, les particules de tartre formées dans la chambre de vaporisation 16 sont entraînées, à la fois par le déplacement de la flaque d'eau vers l'arrière de la chambre de vaporisation 16 et par le flux de vapeur sous l'effet des forces de trainée, en direction de l'ouverture de liaison 34 et du récipient de récupération de tartre 35. Les particules de tartre sont ainsi collectées par le récipient de récupération de tartre 35.In addition, the scale particles formed in the vaporization chamber 16 are entrained, both by the displacement of the puddle of water towards the rear of the vaporization chamber 16 and by the flow of steam under the effect of the drag forces, in the direction of the connecting opening 34 and the scale collection container 35. The scale particles are thus collected by the scale collection container 35.

Les figures 9 et 10 illustrent un fer à repasser selon un second mode de réalisation. Sur ces figures, les éléments correspondant aux organes déjà décrits pour le premier mode de réalisation illustré sur les figures 1 à 8 portent les mêmes références.THE figures 9 and 10 illustrate an iron according to a second embodiment. In these figures, the elements corresponding to the organs already described for the first embodiment illustrated in the figures 1 to 8 have the same references.

Ce second mode de réalisation diffère du premier mode de réalisation essentiellement par l'orientation de la deuxième résistance électrique chauffante 19 qui se trouve ici disposée dans le même sens que la première résistance électrique chauffante 18. Ainsi, les deux extrémités de raccordement 19A, 19B de la deuxième résistance électrique chauffante 19 font saillie en dehors de la fonderie du côté de l'arrière du corps chauffant 13 et la deuxième résistance électrique chauffante 19 s'étend vers l'avant, depuis les deux extrémités de raccordement 19A, 19B, selon une forme en Ω.This second embodiment differs from the first embodiment essentially by the orientation of the second electric heating resistor 19 which is here arranged in the same direction as the first electric heating resistance 18. Thus, the two connection ends 19A, 19B of the second electric heating resistance 19 protrude outside the foundry on the side of the rear of the body heater 13 and the second electric heating resistor 19 extends forwards, from the two connection ends 19A, 19B, in an Ω shape.

Ce second mode de réalisation se différencie également du premier mode de réalisation par l'absence de plots pyramidaux et de paroi de barrage sur la paroi de fond 21. Une telle construction présente l'avantage d'être plus simple à réaliser. Toutefois, de tels éléments pourraient également être présents sur la paroi de fond.This second embodiment also differs from the first embodiment by the absence of pyramidal studs and barrier wall on the bottom wall 21. Such a construction has the advantage of being simpler to produce. However, such elements could also be present on the bottom wall.

Bien entendu, la présente invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the present invention is in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Ainsi, dans une variante de réalisation non représentée, l'eau pourra être injectée dans la chambre de vaporisation par un boisseau goutte-à-goutte alimenté par gravité en eau en provenance d'un réservoir plutôt que par une pompe.Thus, in a variant embodiment not shown, the water may be injected into the vaporization chamber by a drip valve fed by gravity with water coming from a reservoir rather than by a pump.

Claims (15)

  1. Iron (3) comprising an ironing soleplate (9) comprising at least one steam outlet orifice (12) and a heating body (13) comprising a steam chamber (16) connected by a steam distribution circuit to the at least one steam outlet orifice (12), the steam chamber (16) having a bottom wall (21) comprising a water injection zone on which water is intended to be injected to produce steam, the heating body (13) comprising a first electrical heating resistance (18) extending into a first zone of the bottom wall (21) of the steam chamber (16) and a second electrical heating resistance (19) extending into a second zone of the bottom wall (21) of the steam chamber (16), the bottom wall (21) of the steam chamber (16) comprising an intermediate zone (23) extending between the first and second zones, characterised in that the water injection zone of the bottom wall (21) of the steam chamber (16) comprises a surface (22) configured to channel water flowing over the water injection zone in the direction of the intermediate zone (23) when the iron rests flat on the ironing soleplate (9).
  2. Iron (3) according to claim 1, wherein the bottom wall (21) comprises an obstacle (24) disposed on the flow path of the water flow injected on the bottom wall (21) from the water injection zone, said obstacle (20) deviating the flow to two side flow paths (23.1, 23.2) disposed on either side of the obstacle.
  3. Iron (3) according to the preceding claim, wherein said obstacle is a regulation terminal (24) on which a thermostat is mounted.
  4. Iron (3) according to any one of claims 2 to 3, wherein the steam chamber (16) is laterally delimited by a peripheral wall (17) comprising a connection opening (34) through which the steam escapes from the steam chamber (16) to be carried into the steam distribution circuit (29) and wherein said obstacle (24) is located between the injection zone and the connection opening (34).
  5. Iron (3) according to any one of claims 1 to 4, wherein the intermediate zone (23) comprises at least one cavity for retaining (27) a water volume.
  6. Iron (3) according to the preceding claim, wherein the bottom wall (21) comprises a barrier wall (20) which delimits a downstream end of the retention cavity (27).
  7. Iron (3) according to any one of claims 5 to 6, wherein the bottom wall (21) comprises a regulation terminal (24) on which a thermostat is mounted and wherein the retention cavity (27) is disposed at the base of the regulation terminal (24).
  8. Iron (3) according to the preceding claim, wherein the bottom wall (21) comprises two cavities for retaining (27) a water volume, the retention cavities (27) being disposed on the two sides of the regulation terminal (24).
  9. Iron (3) according to any one of claims 1 to 8, wherein the first electrical heating resistance (18) extends to the periphery of the bottom wall (21).
  10. Iron (3) according to any one of claims 1 to 9, wherein the first electrical heating resistance (18) comprises a first branch (18.1) extending to the proximity of a first side portion of the steam chamber (16), and a second branch (18.2) extending to the proximity of a second side portion of the steam chamber (16) which is opposite the first side portion.
  11. Iron (3) according to claim 10, wherein the second electrical heating resistance (19) extends inside the first and second branches (18.1, 18.2) of the first electrical heating resistance (18).
  12. Iron (3) according to any one of claims 1 to 11, wherein the bottom wall (21) comprises a curved surface (22) configured to channel the water flowing over the curved surface (22) in the direction of the intermediate zone (23).
  13. Iron (3) according to claim 12, wherein the second electrical heating resistance (19) extends to the periphery of the curved surface (22).
  14. Iron (3) according to any one of claims 1 to 13, wherein the steam distribution circuit (29) comprises a scale collection cavity (31), the iron (3) comprising a scale collection container (35) which is disposed in the scale collection cavity (31).
  15. Ironing appliance (2) comprising an iron (3) according to any one of the preceding claims, a water reservoir (5) and a supply circuit fluidly connected to the water reservoir (5) and configured to supply the steam chamber (16) with water.
EP20181707.9A 2019-06-28 2020-06-23 Iron fitted with a steam chamber provided with a tilted surface Active EP3757280B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1907114A FR3097881B1 (en) 2019-06-28 2019-06-28 Iron equipped with a vaporization chamber with an inclined surface

Publications (3)

Publication Number Publication Date
EP3757280A1 EP3757280A1 (en) 2020-12-30
EP3757280C0 EP3757280C0 (en) 2023-06-07
EP3757280B1 true EP3757280B1 (en) 2023-06-07

Family

ID=68425033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20181707.9A Active EP3757280B1 (en) 2019-06-28 2020-06-23 Iron fitted with a steam chamber provided with a tilted surface

Country Status (3)

Country Link
EP (1) EP3757280B1 (en)
CN (1) CN112144256A (en)
FR (1) FR3097881B1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB764161A (en) * 1955-02-16 1956-12-19 Westinghouse Electric Int Co Improvements in or relating to electrically heated steam irons
US2970394A (en) * 1958-10-29 1961-02-07 Eugene S Brumbaugh Electric iron
US5279054A (en) * 1991-11-21 1994-01-18 Black & Decker Inc. Steam iron including double boiler portions, heaters, and thermostat
US7096612B2 (en) * 2004-01-30 2006-08-29 Celaya, Emparanza Y Galdos, Internacional, S.A. Domestic steam irons having a vaporization chamber and fitted with independent heat element
ES2308952B1 (en) * 2008-07-03 2009-11-16 Electrodomesticos Taurus, S.L. STEAM IRON.
JP6461109B2 (en) * 2013-07-25 2019-01-30 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Equipment for generating steam
FR3033338B1 (en) * 2015-03-03 2017-02-24 Seb Sa IRONING HOUSEHOLD APPLIANCE COMPRISING A FILTER FOR RETAINING VAPOR TRANSPARENT TARTRE PARTICLES
EP3156538B1 (en) * 2015-10-12 2018-07-25 Rowenta Werke GmbH Iron comprising a steam chamber provided with two separate evaporation areas
KR102364520B1 (en) * 2016-04-26 2022-02-18 코닌클리케 필립스 엔.브이. Steam iron with collection compartment for travertine deposits
FR3065232B1 (en) * 2017-04-12 2019-04-19 Seb S.A. IRONING APPARATUS

Also Published As

Publication number Publication date
FR3097881A1 (en) 2021-01-01
FR3097881B1 (en) 2021-06-04
EP3757280C0 (en) 2023-06-07
CN112144256A (en) 2020-12-29
EP3757280A1 (en) 2020-12-30

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