EP3336241A1 - Steam iron comprising a steam distribution circuit contained in a body in thermal contact with an ironing surface - Google Patents

Steam iron comprising a steam distribution circuit contained in a body in thermal contact with an ironing surface Download PDF

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Publication number
EP3336241A1
EP3336241A1 EP17205798.6A EP17205798A EP3336241A1 EP 3336241 A1 EP3336241 A1 EP 3336241A1 EP 17205798 A EP17205798 A EP 17205798A EP 3336241 A1 EP3336241 A1 EP 3336241A1
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EP
European Patent Office
Prior art keywords
steam
partition wall
steam iron
flow
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.)
Granted
Application number
EP17205798.6A
Other languages
German (de)
French (fr)
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EP3336241B1 (en
Inventor
Xavier Chartoire
Cédric METAY
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SEB SA
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SEB SA
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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
    • D06F75/12—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water supplied to the iron from an external source
    • 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
    • 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
    • D06F75/16—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 reservoir being heated to produce the steam
    • 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
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/20—Arrangements for discharging the steam to the article being ironed

Definitions

  • the present invention relates to the general field of steam irons comprising a steam distribution circuit formed in a body in thermal contact with an ironing surface and relates more particularly to an iron in which the steam distribution circuit comprises a steam inlet opening into an inlet chamber and comprises at least one steam outlet opening opening on the ironing surface.
  • the French patent application filed under the application number FR 16 56546 by the Applicant discloses a steam iron having a vapor distribution circuit provided with a retaining device configured to retain water droplets entrained by the flow of vapor flowing along the steam distribution circuit and for vaporize said retained water droplets.
  • the present invention aims to remedy these disadvantages.
  • the technical problem underlying the invention is therefore to provide a steam iron that further limits the amount of water in liquid form that reaches the steam ports, especially when starting the steam iron.
  • the subject of the invention is a steam iron comprising a body in thermal contact with an ironing surface and a steam distribution circuit formed in the body, the steam distribution circuit comprising an inlet vapor flow opening into a steam inlet chamber and at least one steam outlet hole on the ironing surface, characterized in that the inlet chamber has a partition wall dividing the inlet chamber in a lower stage, formed below the partition wall, and an upper stage, formed above the partition wall, the steam from the steam flow inlet circulating successively in the lower stage and then in the upper floor.
  • Such a partition wall allows, by a simple construction and in a small footprint, to create a baffle ensuring a very good retention of water droplets, especially by gravity, thanks to the flow of steam flow from bottom to top between l lower floor and the upper floor.
  • the steam iron may further have one or more of the following features, taken alone or in combination.
  • the iron has an overlapping portion defining at least partly the steam distribution circuit.
  • the partition wall is constituted by a plate attached to the vaporization chamber.
  • the partition wall is immobilized by being sandwiched between projecting elements carried by the body and projecting elements carried by the covering part.
  • the entry of the vapor flow is effected by an opening formed in the covering portion attached to the body, the partition wall having an opening disposed opposite the flow inlet of the steam.
  • Such a characteristic makes it possible to have both an inlet of the vapor flow through an orifice formed on the covering part, to facilitate the mounting of the apparatus, and to inject directly the major part of the steam flow into the lower floor of the intake chamber.
  • the intake chamber comprises a plurality of pins protruding inside the intake chamber.
  • the ironing surface is flat and the partition wall is inclined relative to the plane of the ironing surface by an angle between 0 ° and 10 ° and preferably an angle of order of 5 °.
  • the distribution circuit comprises a lateral chamber for the retention of condensates which is arranged laterally to the partition wall.
  • the lateral chamber is disposed in the vicinity of a stud supporting a thermostat for regulating an electrical resistance intended to heat the body.
  • the lateral chamber communicates the lower stage and the upper stage, the flow of steam passing from the lower stage to the upper stage by flowing from bottom to top along a peripheral edge of the partition wall.
  • Such a characteristic makes it possible to obtain, by a simple construction, a reversal of the flow direction between the flow of vapor flowing at the level of the lower stage and the flow of vapor flowing at the level of the upper stage of the chamber of admission. This gives a good separation of the water droplets from the steam flow.
  • the lower stage forms a dead end towards which the flow of steam is sent and can escape only by reversing path.
  • Such a characteristic makes it possible to further improve the perfomances of the device in the retention of the condensates, the lower stage forming a condensate retention pocket in which the vapor flow can enter and exit only through a single access path.
  • the partition wall has an opening arranged opposite the steam flow inlet and the vapor flow enters the lower stage and leaves the lower stage, to flow. in the upper floor, passing mainly through the opening.
  • the partition wall is disposed in the upper half of the inlet chamber.
  • Such a characteristic makes it possible to have a larger passage section at the level of the lower stage of the intake chamber than at the level of the upper stage.
  • the inlet chamber is an expansion chamber configured to decrease the flow velocity of the vapor stream before the vapor flow reaches the retaining device.
  • the present invention further relates to an ironing apparatus comprising a steam iron according to the invention, a steam generator and a steam conduit connecting the steam generator to the steam iron and for supplying the steam iron in steam.
  • the figure 1 represents an ironing apparatus 2 comprising a base unit 3, a steam iron 4 and a steam conveyor 5 connecting the base unit 3 and the steam iron 4.
  • the base unit 3 comprises in particular a steam generator 6, a water tank 7 and a pump 8 configured to supply the steam generator 6 with water from the water tank 7, and the steam iron 4 comprises in particular a gripping portion 10 and a plate of ironing 13 surmounted by a heating sole 9 illustrated in isolation on the figure 2 .
  • the soleplate 9 comprises a main body 11 intended to come into direct contact with the ironing plate 13 and a covering portion 12 covering at least partly the body 11.
  • the ironing plate 13 comprises an ironing surface 14 substantially flat and steam ports 15 opening into the ironing surface 14.
  • the body 11 and the ironing plate 13 are made of thermally conductive materials.
  • the body 11 and the covering part 12 define a steam distribution circuit 16 fluidly connected on the one hand to the steam generator 6 via the steam supply duct 5 and on the other hand to the steam ports 15.
  • the circuit Vapor dispensing device 16 comprises in particular a steam flow inlet 16.1 carried by a connection connected to the steam conveyance duct 5.
  • a stream of vapor is able to flow in the steam distribution circuit 16 and up to 20.degree. at the steam ports 15.
  • the steam iron 4 is provided with a heating device consisting of an electrical resistance 17 integrated in the body 11 of the sole 9, and configured to heat the body 11 and the ironing plate 13.
  • the steam iron 4 also comprises a retaining device 18 arranged along the steam distribution circuit 16 and configured to retain water droplets entrained by the flow of vapor flowing in the distribution circuit of vapor 16 and to vaporize the retained water droplets.
  • the retaining device 18 comprises a retaining member 19, advantageously made of plastic material, covered by the covering part 12.
  • the retaining member 19 comprises a duct 21 having a tubular peripheral wall 22 comprising a lower 23 lateral inlet opening, through which the flow of vapor can enter the duct 21 and an upper outlet opening 24 through which the flow of water can flow.
  • the retaining member 19 further comprises a central body 25 and a plurality of connecting elements 27 extending across the duct 21 and connecting the tubular peripheral wall 22 and the central body 25.
  • the arrangement of the connecting elements 27 and the central body 25 of the retaining member 19 makes it possible to form obstacles to the passage of the water droplets, and thus to ensure the retention of a large quantity of the droplets of water driven by the vapor flow.
  • the steam distribution circuit 16 further comprises a vapor delivery chamber 35 delimited by the cover portion 12 and the retaining member 19.
  • the vapor discharge chamber 35 is disposed downstream of the upper outlet opening 24 and is fluidly connected to the steam ports 15.
  • the steam flow inlet 16.1 communicates with an opening 12.1 formed in the cover portion 12, which opens into the steam distribution circuit 16 at an inlet chamber 34 of the steam arranged in the half back of the body 11.
  • the inlet chamber 34 is configured to form an expansion chamber disposed upstream of the retainer 18 in which the speed flow of the vapor flow decreases before reaching the retaining device 18 and more particularly the retaining member 19.
  • the admission chamber 34 comprises a partition wall 41 dividing the admission chamber 34 into a lower stage 34.1 formed below the partition wall 41 and an upper stage 34.2 formed above the partition wall 41, the lower stages 34.1 and 34.2 upper being placed in communication with each other by a lateral chamber 39 advantageously disposed in the vicinity of a stud 45 for mounting a control thermostat, not shown in the figures, associated with the electrical resistance 17.
  • the partition wall 41 is preferably constituted by a metal plate which is attached to the inlet chamber 34 and which rests on projecting elements carried by the body 11 and in particular on a partition 36 and on a wall 37 covering the electrical resistance. 17.
  • the partition wall 41 is slightly inclined towards the lateral chamber 39 relative to the plane of the ironing surface 14, for example of the order of 5 °. This inclination allows any water droplets present on the partition wall 41 to flow by gravity into the lateral chamber 39.
  • the covering portion 12 advantageously comprises one or more pads 42 which rest on the partition wall 41 when the covering portion 12 closes the body 11 so that the partition wall 41 is immobilized by being sandwiched between the covering portion 12 and body 11.
  • the partition wall 41 has an opening 41.1 disposed opposite the vapor flow inlet 16.1, this opening 41.1 allowing the steam from the steam flow inlet 16.1 to enter directly into the lower stage 34.1 when it opens out of the steam conduit 5.
  • the lower stage 34.1 of the admission chamber 34 comprises a relief 38 which faces the opening 41.1 and which has a shape adapted to laterally deflect the flow in the lower stage 34.1 direction of the center of the body 11, as is illustrated by the arrows on the figure 6 .
  • the admission chamber 34 also comprises a plurality of pins 40 extending at the level of the lower stage 34.1 in the vicinity of the relief 38, the presence of these pins 40 to increase the exchange surface between the vapor flow and the heating body 11, and thus to promote the evaporation of the water droplets of the flow of vapor flowing through the steam distribution circuit 16.
  • the upper stage 34.2 of the admission chamber 34 communicates through a lateral opening 44, visible on the figure 5 , with an intermediate portion 16.2 of the steam distribution circuit 16, this intermediate portion allowing diffusion of the steam flow from the upper stage 34.2 to the lower 23 lateral inlet opening through a communication chamber 16.3 arranged in the covering part 12.
  • the apparatus thus produced has the advantage of allowing good retention within the body of the iron of the water droplets which can be brought with the flow of steam through the steam conveying duct 5.
  • the steam flow from the steam supply conduit 5 enters the inlet chamber 34 through the opening 12.1 in the cover portion 12, and then, under the effect of the vapor flow velocity, engulfs through the opening 41.1 of the separating plate 41 before being deflected laterally by the relief 38.
  • the largest water droplets transported by the steam then accumulate under the effect of the centrifugal force in a corner of the lateral chamber 39, forming a puddle E which is progressively vaporized under the effect of the heating caused by the electrical resistance 17.
  • the steam with its largest droplets of water then escapes upwards passing along a peripheral edge of the partition wall 41, then above the separating plate 41 to flow at the level the upper stage of the inlet chamber 34.
  • the vapor flow then leaves the inlet chamber 34 through the lateral opening 44 where the steam flows through the intermediate portion 16.2 then through the communication port 16.3 until reaching the retaining device 18.
  • FIGS. 8 to 10 illustrate a second embodiment of the invention which differs from the first embodiment only in that the heating soleplate 11 comprises a separating plate 141 having a different shape of the separating plate 41 illustrated.
  • the separating plate 141 comprises a closing partition 100 which extends vertically to come into contact with the cover plate 12 in order to close the passage which, in the first embodiment, establishes a communication direct between the lateral chamber 39 and the upper stage 34.2.
  • the separating plate 141 also has an opening 141.1 intended to come opposite the steam flow inlet 16.1, this opening 141.1 allowing the steam coming from the steam flow inlet 16.1 to penetrate directly into the lower stage. 34.1.
  • the apparatus according to this second embodiment has the advantage of allowing even better retention of the droplets of water which can be supplied with the steam flow via the steam conveying duct 5, inside the iron body. to redo.
  • the steam flow from the steam supply conduit enters the inlet chamber 34 through the opening 12.1 in the cover portion 12, and then, under the effect of the vapor flow velocity, engulfed through the opening 141.1 of the separating plate 141 and then flows into the lower stage 34.1 by being deflected laterally towards the lateral chamber 39.
  • the largest water droplets transported by the steam pile up then under the effect of centrifugal force in a corner of the room 39, forming a pool E which is gradually vaporized under the effect of the heating caused by the electrical resistance 17.
  • the side chamber 39 is then a dead end in which the flow of steam can enter and exit by a single access path.
  • the steam injected into the lower stage 34.1 can only escape by reversing into the lower stage 34.1, so that a return flow is created, illustrated by the arrows R, passing to against flow in the lower stage 34.1 and in the opening 141.1, then flowing at the level of the upper stage 34.2 of the inlet chamber 34.
  • the high energy (speed, pressure) of the flow of vapor entering through the opening 141.1 makes it possible to spray any remaining droplets contained in the return flow.
  • the figure 11 illustrates another variant embodiment of the invention in which the closing of the passage between the lateral chamber 39 and the upper stage 34.2 is carried out by means of a partition 200 carried by the covering portion 12 which is positioned instead of the partition 100 carried by the partition plate 141 in the second embodiment, the partition plate being in this embodiment identical to that described for the first embodiment.
  • the steam flow inlet can lead directly into the lower floor of the intake chamber.
  • the steam flow inlet may be constituted by an orifice formed in a wall of the body, this orifice opening laterally at the level of the lower floor.
  • the partition wall may be arranged parallel to the ironing surface.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
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Abstract

Fer à vapeur (4) comportant un corps (11) en contact thermique avec une surface de repassage (14) et un circuit de distribution de vapeur (16) ménagé dans ledit corps (11), le circuit de distribution de vapeur (16) comprenant une entrée de flux de vapeur (16.1) débouchant dans une chambre d'admission (34) de la vapeur et au moins un trou de sortie de vapeur (15) ménagé sur la surface de repassage (14), caractérisé en ce que ladite chambre d'admission (34) comporte une paroi de séparation (41) divisant la chambre d'admission (34) en un étage inférieur (34.1) ménagé en-dessous de la paroi de séparation (41) et un étage supérieur (34.2) ménagé au-dessus de la paroi de séparation (41), la vapeur issue de l'entrée de flux de vapeur (16.1) circulant successivement dans l'étage inférieur (34.1) puis dans l'étage supérieur (34.2).

Figure imgaf001
Steam iron (4) having a body (11) in thermal contact with an ironing surface (14) and a steam distribution circuit (16) in said body (11), the steam distribution circuit (16) comprising a steam flow inlet (16.1) opening into an inlet chamber (34) for steam and at least one steam outlet hole (15) provided on the ironing surface (14), characterized in that said inlet chamber (34) has a dividing wall (41) dividing the inlet chamber (34) into a lower stage (34.1) formed below the partition wall (41) and an upper stage (34.2) formed above the partition wall (41), the steam from the steam flow inlet (16.1) flowing successively in the lower stage (34.1) and in the upper stage (34.2).
Figure imgaf001

Description

La présente invention se rapporte au domaine général des fers à vapeur comportant un circuit de distribution de vapeur ménagé dans un corps en contact thermique avec une surface de repassage et se rapporte plus particulièrement à un fer à repasser dans lequel le circuit de distribution de vapeur comprend une entrée de vapeur débouchant dans une chambre d'admission et comporte au moins un trou de sortie de vapeur débouchant sur la surface de repassage.The present invention relates to the general field of steam irons comprising a steam distribution circuit formed in a body in thermal contact with an ironing surface and relates more particularly to an iron in which the steam distribution circuit comprises a steam inlet opening into an inlet chamber and comprises at least one steam outlet opening opening on the ironing surface.

Les fers à vapeur reliés à un générateur de vapeur externe ont une problématique récurrente liée au fait qu'au démarrage ou au redémarrage, une importante quantité de gouttelettes d'eau est expulsée par les orifices de vapeur.Steam irons connected to an external steam generator have a recurring problem related to the fact that when starting or restarting, a large quantity of water droplets is expelled by the steam orifices.

La demande de brevet français, déposée sous le numéro de demande FR 16 56546 par la demanderesse, divulgue un fer à vapeur comportant un circuit de distribution de vapeur muni d'un dispositif de retenue configuré pour retenir des gouttelettes d'eau entraînées par le flux de vapeur s'écoulant le long du circuit de distribution de vapeur et pour vaporiser lesdites gouttelettes d'eau retenues.The French patent application, filed under the application number FR 16 56546 by the Applicant discloses a steam iron having a vapor distribution circuit provided with a retaining device configured to retain water droplets entrained by the flow of vapor flowing along the steam distribution circuit and for vaporize said retained water droplets.

Bien qu'un tel dispositif de retenue assure la retenue et la vaporisation de la majeure partie des gouttelettes d'eau entraînées par le flux de vapeur s'écoulant dans le circuit de distribution de vapeur, il reste encore possible que des gouttelettes d'eau atteignent les orifices de vapeur lorsqu'un flux important de condensats est injecté avec la vapeur au niveau de l'entrée de flux de vapeur.Although such a retaining device ensures the retention and vaporization of most of the water droplets entrained by the flow of steam flowing in the steam distribution circuit, it is still possible that water droplets reach the steam ports when a large flow of condensate is injected with the steam at the steam flow inlet.

La présente invention vise à remédier à ces inconvénients.The present invention aims to remedy these disadvantages.

Le problème technique à la base de l'invention consiste donc à fournir un fer à vapeur qui limite encore davantage la quantité d'eau sous forme liquide qui atteint les orifices de vapeur, notamment au démarrage du fer à vapeur.The technical problem underlying the invention is therefore to provide a steam iron that further limits the amount of water in liquid form that reaches the steam ports, especially when starting the steam iron.

A cet effet, l'invention a pour objet un fer à vapeur comportant un corps en contact thermique avec une surface de repassage et un circuit de distribution de vapeur ménagé dans le corps, le circuit de distribution de vapeur comprenant une entrée de flux de vapeur débouchant dans une chambre d'admission de la vapeur et au moins un trou de sortie de vapeur ménagé sur la surface de repassage, caractérisé en ce que la chambre d'admission comporte une paroi de séparation divisant la chambre d'admission en un étage inférieur, ménagé en-dessous de la paroi de séparation, et un étage supérieur, ménagé au-dessus de la paroi de séparation, la vapeur issue de l'entrée de flux de vapeur circulant successivement dans l'étage inférieur puis dans l'étage supérieur.For this purpose, the subject of the invention is a steam iron comprising a body in thermal contact with an ironing surface and a steam distribution circuit formed in the body, the steam distribution circuit comprising an inlet vapor flow opening into a steam inlet chamber and at least one steam outlet hole on the ironing surface, characterized in that the inlet chamber has a partition wall dividing the inlet chamber in a lower stage, formed below the partition wall, and an upper stage, formed above the partition wall, the steam from the steam flow inlet circulating successively in the lower stage and then in the upper floor.

Une telle paroi de séparation permet, par une construction simple et dans un encombrement réduit, de créer une chicane assurant une très bonne retenue des goutelettes d'eau, notamment par gravité, grâce à la circulation du flux de vapeur de bas en haut entre l'étage inférieur et l'étage supérieur.Such a partition wall allows, by a simple construction and in a small footprint, to create a baffle ensuring a very good retention of water droplets, especially by gravity, thanks to the flow of steam flow from bottom to top between l lower floor and the upper floor.

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

Selon un mode de réalisation de l'invention, le fer à repasser comporte une partie de recouvrement délimitant au moins en partie le circuit de distribution de vapeur.According to one embodiment of the invention, the iron has an overlapping portion defining at least partly the steam distribution circuit.

Selon une autre caractéristique de l'invention, la paroi de séparation est constituée par une plaque rapportée dans la chambre de vaporisation.According to another characteristic of the invention, the partition wall is constituted by a plate attached to the vaporization chamber.

Une telle caractéristique permet de simplifier la construction du fer à repasser.Such a feature simplifies the construction of the iron.

Selon une autre caractéristique de l'invention, la paroi de séparation est immobilisée en étant prise en sandwich entre des éléments en saillie portés par le corps et des éléments en saillie portés par la partie de recouvrement.According to another characteristic of the invention, the partition wall is immobilized by being sandwiched between projecting elements carried by the body and projecting elements carried by the covering part.

Une telle caractéristique permet, par un moyen simple et économique à mettre en oeuvre, d'immobiliser la paroi de séparation dans la chambre d'admission.Such a characteristic makes it possible, by a simple and economical means to implement, to immobilize the partition wall in the intake chamber.

Selon une autre caractéristique de l'invention, l'entrée du flux de vapeur s'effectue par une ouverture ménagée dans la partie de recouvrement rapportée sur le corps, la paroi de séparation comportant une ouverture disposée en regard de l'entrée de flux de vapeur.According to another characteristic of the invention, the entry of the vapor flow is effected by an opening formed in the covering portion attached to the body, the partition wall having an opening disposed opposite the flow inlet of the steam.

Une telle caractéristique permet d'avoir à la fois une entrée du flux de vapeur par un orifice ménagé sur la partie de recouvrement, pour faciliter le montage de l'appareil, et d'injecter directement la majeure partie du flux de vapeur dans l'étage inférieur de la chambre d'admission.Such a characteristic makes it possible to have both an inlet of the vapor flow through an orifice formed on the covering part, to facilitate the mounting of the apparatus, and to inject directly the major part of the steam flow into the lower floor of the intake chamber.

Selon une autre caractéristique de l'invention, la chambre d'admission comporte une pluralité de picots faisant saillie à l'intérieur de la chambre d'admission.According to another characteristic of the invention, the intake chamber comprises a plurality of pins protruding inside the intake chamber.

Une telle caractéristique permet d'améliorer la rétention des condensats et de favoriser leur évaporation.Such a characteristic makes it possible to improve the retention of the condensates and to promote their evaporation.

Selon une autre caractéristique de l'invention, la surface de repassage est plane et la paroi de séparation est inclinée par rapport au plan de la surface de repassage d'un angle compris entre 0° et 10° et préférentiellement d'un angle de l'ordre de 5°.According to another characteristic of the invention, the ironing surface is flat and the partition wall is inclined relative to the plane of the ironing surface by an angle between 0 ° and 10 ° and preferably an angle of order of 5 °.

Une telle caractéristique permet de favoriser l'écoulement par gravité des gouttelettes d'eau se formant à la surface de la paroi de séparation.Such a characteristic makes it possible to promote gravity flow of the water droplets forming on the surface of the partition wall.

Selon une autre caractéristique de l'invention, le circuit de distribution comporte une chambre latérale pour la rétention des condensats qui est disposée latéralement à la paroi de séparation.According to another characteristic of the invention, the distribution circuit comprises a lateral chamber for the retention of condensates which is arranged laterally to the partition wall.

Selon une autre caractéristique de l'invention, la chambre latérale est disposée au voisinage d'un plot supportant un thermostat de régulation d'une résistance électrique destinée à chauffer le corps.According to another characteristic of the invention, the lateral chamber is disposed in the vicinity of a stud supporting a thermostat for regulating an electrical resistance intended to heat the body.

Une telle caractéristique permet d'obtenir une plus grande réactivité du dispositif de régulation thermique du corps lorsque la température de ce dernier baisse suite à l'énergie dépensée pour l'évaporation des condensats recueillis dans la chambre latérale.Such a characteristic makes it possible to obtain a greater reactivity of the thermal regulation device of the body when the temperature of the latter decreases as a result of the energy expended for the evaporation of the condensates collected in the lateral chamber.

Selon une autre caractéristique de l'invention, la chambre latérale met en communication l'étage inférieur et l'étage supérieur, le flux de vapeur passant de l'étage inférieur à l'étage supérieur en s'écoulant de bas en haut le long d'un bord périphérique de la paroi de séparation.According to another characteristic of the invention, the lateral chamber communicates the lower stage and the upper stage, the flow of steam passing from the lower stage to the upper stage by flowing from bottom to top along a peripheral edge of the partition wall.

Une telle caractéristique permet d'obtenir, par une construction simple, une inversion du sens de circulation entre le flux de vapeur circulant au niveau de l'étage inférieur et le flux de vapeur circulant au niveau de l'étage supérieur de la chambre d'admission. On obtient ainsi une bonne séparation des goutelettes d'eau du flux de vapeur.Such a characteristic makes it possible to obtain, by a simple construction, a reversal of the flow direction between the flow of vapor flowing at the level of the lower stage and the flow of vapor flowing at the level of the upper stage of the chamber of admission. This gives a good separation of the water droplets from the steam flow.

Selon une autre caractéristique de l'invention, l'étage inférieur forme une impasse vers laquelle le flux de vapeur est envoyé et ne peut s'échapper qu'en rebroussant chemin.According to another characteristic of the invention, the lower stage forms a dead end towards which the flow of steam is sent and can escape only by reversing path.

Une telle caractéristique permet d'améliorer encore les perfomances du dispositif dans la rétention des condensats, l'étage inférieur formant une poche de rétention des condensats dans laquelle le flux de vapeur ne peut pénétrer et sortir que par une seule voie d'accès.Such a characteristic makes it possible to further improve the perfomances of the device in the retention of the condensates, the lower stage forming a condensate retention pocket in which the vapor flow can enter and exit only through a single access path.

Selon une autre caractéristique de l'invention, la paroi de séparation comporte une ouverture disposée en regard de l'entrée de flux de vapeur et le flux de vapeur pénètre dans l'étage inférieur et sort de l'étage inférieur, pour s'écouler dans l'étage supérieur, en passant majoritairement par l'ouverture.According to another characteristic of the invention, the partition wall has an opening arranged opposite the steam flow inlet and the vapor flow enters the lower stage and leaves the lower stage, to flow. in the upper floor, passing mainly through the opening.

Selon une autre caractéristique de l'invention, la paroi de séparation est disposée dans la moitié supérieure de la chambre d'admission.According to another characteristic of the invention, the partition wall is disposed in the upper half of the inlet chamber.

Une telle caractéristique permet d'avoir une section de passage plus importante au niveau de l'étage inférieur de la chambre d'admission qu'au niveau de l'étage supérieur.Such a characteristic makes it possible to have a larger passage section at the level of the lower stage of the intake chamber than at the level of the upper stage.

Selon une autre caractéristique de l'invention, le circuit de distribution de vapeur comporte, en aval de la chambre d'admission, un dispositif de retenue comprenant un organe de retenue comportant :

  • un conduit comprenant une paroi périphérique tubulaire et présentant un axe longitudinal, la paroi périphérique tubulaire comportant une ouverture d'entrée inférieure par laquelle le flux de vapeur pénètre dans le conduit et une ouverture de sortie supérieure par laquelle le flux de vapeur sort du conduit,
  • un corps central disposé au centre du conduit, et
  • plusieurs éléments de liaison s'étendant en travers du conduit et reliant la paroi périphérique tubulaire et le corps central, chacun des éléments de liaison s'étendant depuis la paroi périphérique tubulaire jusqu'au corps central.
According to another characteristic of the invention, the steam distribution circuit comprises, downstream of the inlet chamber, a retaining device comprising a retaining member comprising:
  • a duct comprising a tubular peripheral wall and having a longitudinal axis, the tubular peripheral wall having a lower inlet opening through which the flow of steam enters the duct and an upper outlet opening through which the flow of steam exits the duct,
  • a central body disposed in the center of the duct, and
  • a plurality of connecting members extending across the conduit and connecting the tubular peripheral wall and the central body, each of the connecting members extending from the tubular peripheral wall to the central body.

Selon une autre caractéristique de l'invention, la chambre d'admission est une chambre de détente configurée pour diminuer la vitesse d'écoulement du flux de vapeur avant que le flux de vapeur n'atteigne le dispositif de retenue.According to another characteristic of the invention, the inlet chamber is an expansion chamber configured to decrease the flow velocity of the vapor stream before the vapor flow reaches the retaining device.

Ces dispositions permettent d'augmenter la durée de passage du flux de vapeur dans la semelle du fer à vapeur, et donc de favoriser d'une part la vaporisation d'une partie plus importante de gouttelettes d'eau en amont du dispositif de retenue et d'autre part d'améliorer l'efficacité du dispositif de retenue.These provisions make it possible to increase the passage time of the steam flow in the soleplate of the steam iron, and thus to promote, on the one hand, the vaporization of a larger portion of water droplets upstream of the retaining device and on the other hand to improve the efficiency of the retainer.

La présente invention concerne en outre un appareil de repassage comprenant un fer à vapeur selon l'invention, un générateur de vapeur et un conduit d'acheminement de vapeur reliant le générateur de vapeur au fer à vapeur et destiné à alimenter le fer à vapeur en vapeur.The present invention further relates to an ironing apparatus comprising a steam iron according to the invention, a steam generator and a steam conduit connecting the steam generator to the steam iron and for supplying the steam iron in steam.

On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après de plusieurs modes particuliers de réalisation de l'invention, présentés à titre d'exemples non limitatifs, en se référant aux dessins annexés dans lesquels :

  • La figure 1 est une vue schématique d'un appareil de vapeur selon la présente invention comportant un fer à vapeur et une unité de base pourvue d'un générateur de vapeur ;
  • La figure 2 est une vue de dessus d'une semelle chauffante, selon un premier mode de réalisation de l'invention, destinée à équiper le fer à vapeur de la figure 1 ;
  • La figure 3 est une vue en perspective éclatée de la semelle de la figure 2 et de la plaque de repassage ;
  • La figure 4 est une vue en perspective de la semelle chauffante de la figure 2 démunie de la plaque de recouvrement ;
  • La figure 5 est une vue en coupe selon la ligne V-V de la figure 2 ;
  • La figure 6 est une vue en coupe selon la ligne VI-VI de la figure 2 ;
  • La figure 7 est une vue en coupe selon la ligne VII-VII de la figure 2 ;
  • la figure 8 est une vue en perspective d'une semelle chauffante ; selon un deuxième mode de réalisation de l'invention, destinée à équiper le fer à repasser de la figure 1 ;
  • La figure 9 est une vue en perspective de la paroi de séparation équipant la semelle chauffante illustrée à la figure 8 ;
  • la figure 10 est une vue selon une coupe semblable à la figure 7 de la semelle chauffante selon le deuxième mode de réalisation ;
  • la figure 11 est une vue en perspective d'une variante de réalisation de la plaque de recouvrement destinée à équiper la semelle chauffante des figures 2 à 7.
The aims, aspects and advantages of the present invention will be better understood from the description given hereinafter of several particular embodiments of the invention, presented by way of non-limiting examples, with reference to the accompanying drawings in FIG. which :
  • The figure 1 is a schematic view of a steam apparatus according to the present invention comprising a steam iron and a base unit provided with a steam generator;
  • The figure 2 is a top view of a heating sole, according to a first embodiment of the invention, intended to equip the steam iron of the figure 1 ;
  • The figure 3 is an exploded perspective view of the sole of the figure 2 and the ironing plate;
  • The figure 4 is a perspective view of the heating soleplate of the figure 2 lacking the cover plate;
  • The figure 5 is a sectional view along line VV of the figure 2 ;
  • The figure 6 is a sectional view along the line VI-VI of the figure 2 ;
  • The figure 7 is a sectional view along the line VII-VII of the figure 2 ;
  • the figure 8 is a perspective view of a heating soleplate; according to a second embodiment of the invention, intended to equip the iron of the figure 1 ;
  • The figure 9 is a perspective view of the partition wall equipping the heating soleplate illustrated in FIG. figure 8 ;
  • the figure 10 is a view in a section similar to the figure 7 the heating soleplate according to the second embodiment;
  • the figure 11 is a perspective view of an alternative embodiment of the cover plate intended to equip the heating soleplate of Figures 2 to 7 .

La figure 1 représente un appareil de repassage 2 comportant une unité de base 3, un fer à vapeur 4 et un conduit d'acheminement de vapeur 5 reliant l'unité de base 3 et le fer à vapeur 4. L'unité de base 3 comporte notamment un générateur de vapeur 6, un réservoir d'eau 7 et une pompe 8 configurée pour alimenter le générateur de vapeur 6 en eau provenant du réservoir d'eau 7, et le fer à vapeur 4 comporte notamment une partie de préhension 10 et une plaque de repassage 13 surmontée par une semelle 9 chauffante illustrée isolément sur la figure 2.The figure 1 represents an ironing apparatus 2 comprising a base unit 3, a steam iron 4 and a steam conveyor 5 connecting the base unit 3 and the steam iron 4. The base unit 3 comprises in particular a steam generator 6, a water tank 7 and a pump 8 configured to supply the steam generator 6 with water from the water tank 7, and the steam iron 4 comprises in particular a gripping portion 10 and a plate of ironing 13 surmounted by a heating sole 9 illustrated in isolation on the figure 2 .

Conformément à la figure 3, la semelle 9 comporte un corps 11 principal destiné à venir au contact direct de la plaque de repassage 13 et une partie de recouvrement 12 recouvrant au moins en partie le corps 11. La plaque de repassage 13 comprend une surface de repassage 14 sensiblement plane et des orifices de vapeur 15 débouchant dans la surface de repassage 14. Le corps 11 et la plaque de repassage 13 sont réalisés en matériaux thermiquement conducteurs.In accordance with the figure 3 , the soleplate 9 comprises a main body 11 intended to come into direct contact with the ironing plate 13 and a covering portion 12 covering at least partly the body 11. The ironing plate 13 comprises an ironing surface 14 substantially flat and steam ports 15 opening into the ironing surface 14. The body 11 and the ironing plate 13 are made of thermally conductive materials.

Le corps 11 et la partie de recouvrement 12 définissent un circuit de distribution de vapeur 16 relié fluidiquement d'une part au générateur de vapeur 6 via le conduit d'acheminement de vapeur 5 et d'autre part aux orifices de vapeur 15. Le circuit de distribution de vapeur 16 comprend notamment une entrée de flux de vapeur 16.1 portée par un raccord relié au conduit d'acheminement de vapeur 5. Ainsi, un flux de vapeur est apte à s'écouler dans le circuit de distribution de vapeur 16 et jusqu'aux orifices de vapeur 15.The body 11 and the covering part 12 define a steam distribution circuit 16 fluidly connected on the one hand to the steam generator 6 via the steam supply duct 5 and on the other hand to the steam ports 15. The circuit Vapor dispensing device 16 comprises in particular a steam flow inlet 16.1 carried by a connection connected to the steam conveyance duct 5. Thus, a stream of vapor is able to flow in the steam distribution circuit 16 and up to 20.degree. at the steam ports 15.

Le fer à vapeur 4 est pourvu d'un dispositif de chauffage constitué par une résistance électrique 17 intégrée au corps 11 de la semelle 9, et configuré pour chauffer le corps 11 et la plaque de repassage 13.The steam iron 4 is provided with a heating device consisting of an electrical resistance 17 integrated in the body 11 of the sole 9, and configured to heat the body 11 and the ironing plate 13.

De manière avantageuse, le fer à vapeur 4 comporte également un dispositif de retenue 18 disposé le long du circuit de distribution de vapeur 16 et configuré pour retenir des gouttelettes d'eau entraînées par le flux de vapeur s'écoulant dans le circuit de distribution de vapeur 16 et pour vaporiser les gouttelettes d'eau retenues.Advantageously, the steam iron 4 also comprises a retaining device 18 arranged along the steam distribution circuit 16 and configured to retain water droplets entrained by the flow of vapor flowing in the distribution circuit of vapor 16 and to vaporize the retained water droplets.

Le dispositif de retenue 18 comprend un organe de retenue 19, avantageusement réalisé en matière plastique, recouvert par la partie de recouvrement 12.The retaining device 18 comprises a retaining member 19, advantageously made of plastic material, covered by the covering part 12.

L'organe de retenue 19 comporte un conduit 21 présentant une paroi périphérique tubulaire 22 comprenant une ouverture d'entrée inférieure 23 latérale, par laquelle le flux de vapeur peut pénétrer dans le conduit 21 et une ouverture de sortie supérieure 24 par laquelle le flux de vapeur peut sortir du conduit 21. L'organe de retenue 19 comprend de plus un corps central 25 et plusieurs éléments de liaison 27 s'étendant en travers du conduit 21 et reliant la paroi périphérique tubulaire 22 et le corps central 25.The retaining member 19 comprises a duct 21 having a tubular peripheral wall 22 comprising a lower 23 lateral inlet opening, through which the flow of vapor can enter the duct 21 and an upper outlet opening 24 through which the flow of water can flow. The retaining member 19 further comprises a central body 25 and a plurality of connecting elements 27 extending across the duct 21 and connecting the tubular peripheral wall 22 and the central body 25.

Comme cela est décrit plus en détail dans la demande de brevet FR 16 56546 par la demanderesse, la disposition des éléments de liaison 27 et du corps central 25 de l'organe de retenue 19 permet de former des obstacles au passage des gouttelettes d'eau, et ainsi d'assurer la retenue d'une quantité importante des gouttelettes d'eau entraînées par le flux de vapeur.As described in more detail in the patent application FR 16 56546 by the applicant, the arrangement of the connecting elements 27 and the central body 25 of the retaining member 19 makes it possible to form obstacles to the passage of the water droplets, and thus to ensure the retention of a large quantity of the droplets of water driven by the vapor flow.

Le circuit de distribution de vapeur 16 comprend en outre une chambre de refoulement de vapeur 35 délimitée par la partie de recouvrement 12 et l'organe de retenue 19. La chambre de refoulement de vapeur 35 est disposée en aval de l'ouverture de sortie supérieure 24 et est reliée fluidiquement aux orifices de vapeur 15.The steam distribution circuit 16 further comprises a vapor delivery chamber 35 delimited by the cover portion 12 and the retaining member 19. The vapor discharge chamber 35 is disposed downstream of the upper outlet opening 24 and is fluidly connected to the steam ports 15.

Comme montré sur les figures 4 à 7, l'entrée de flux de vapeur 16.1 communique avec une ouverture 12.1, ménagée dans la partie de recouvrement 12, qui débouche dans le circuit de distribution de vapeur 16 au niveau d'une chambre d'admission 34 de la vapeur disposée dans la moitié arrière du corps 11.As shown on Figures 4 to 7 the steam flow inlet 16.1 communicates with an opening 12.1 formed in the cover portion 12, which opens into the steam distribution circuit 16 at an inlet chamber 34 of the steam arranged in the half back of the body 11.

La chambre d'admission 34 est configurée pour former une chambre de détente disposée en amont du dispositif de retenue 18 dans laquelle la vitesse d'écoulement du flux de vapeur diminue avant d'atteindre le dispositif de retenue 18 et plus particulièrement l'organe de retenue 19.The inlet chamber 34 is configured to form an expansion chamber disposed upstream of the retainer 18 in which the speed flow of the vapor flow decreases before reaching the retaining device 18 and more particularly the retaining member 19.

La chambre d'admission 34 comporte une paroi de séparation 41 divisant la chambre d'admission 34 en un étage inférieur 34.1 ménagé en-dessous de la paroi de séparation 41 et un étage supérieur 34.2 ménagé au-dessus de la paroi de séparation 41, les étages inférieur 34.1 et supérieur 34.2 étant mis en communication l'un avec l'autre par une chambre latérale 39 avantageusement disposée au voisinage d'un plot 45 de montage d'un thermostat de régulation, non représenté sur les figures, associé à la résistance électrique 17.The admission chamber 34 comprises a partition wall 41 dividing the admission chamber 34 into a lower stage 34.1 formed below the partition wall 41 and an upper stage 34.2 formed above the partition wall 41, the lower stages 34.1 and 34.2 upper being placed in communication with each other by a lateral chamber 39 advantageously disposed in the vicinity of a stud 45 for mounting a control thermostat, not shown in the figures, associated with the electrical resistance 17.

La paroi de séparation 41 est préférentiellement constituée par une plaque métallique qui est rapportée dans la chambre d'admission 34 et qui repose sur des éléments en saillies portés par le corps 11 et notamment sur une cloison 36 et sur une paroi 37 recouvrant la résistance électrique 17.The partition wall 41 is preferably constituted by a metal plate which is attached to the inlet chamber 34 and which rests on projecting elements carried by the body 11 and in particular on a partition 36 and on a wall 37 covering the electrical resistance. 17.

De manière préférentielle, la paroi de séparation 41 est légèrement inclinée en direction de la chambre latérale 39 par rapport au plan de la surface de repassage 14, par exemple de l'ordre de 5°. Cette inclinaison permet aux éventuelles gouttelettes d'eau présentes sur la paroi de séparation 41 de s'écouler par gravité dans la chambre latérale 39.Preferably, the partition wall 41 is slightly inclined towards the lateral chamber 39 relative to the plane of the ironing surface 14, for example of the order of 5 °. This inclination allows any water droplets present on the partition wall 41 to flow by gravity into the lateral chamber 39.

Conformément à la figure 6, la partie de recouvrement 12 comporte avantageusement un ou plusieurs plots 42 qui viennent reposer sur la paroi de séparation 41 lorsque la partie de recouvrement 12 vient fermer le corps 11 de sorte que la paroi de séparation 41 est immobilisée en étant prise en sandwich entre la partie de recouvrement 12 et le corps 11.In accordance with the figure 6 , the covering portion 12 advantageously comprises one or more pads 42 which rest on the partition wall 41 when the covering portion 12 closes the body 11 so that the partition wall 41 is immobilized by being sandwiched between the covering portion 12 and body 11.

La paroi de séparation 41 comporte une ouverture 41.1 disposée en regard de l'entrée de flux de vapeur 16.1, cette ouverture 41.1 permettant à la vapeur issue de l'entrée de flux de vapeur 16.1 de pénétrer directement dans l'étage inférieur 34.1 lorsqu'elle débouche du conduit d'acheminement de vapeur 5.The partition wall 41 has an opening 41.1 disposed opposite the vapor flow inlet 16.1, this opening 41.1 allowing the steam from the steam flow inlet 16.1 to enter directly into the lower stage 34.1 when it opens out of the steam conduit 5.

De manière avantageuse, l'étage inférieur 34.1 de la chambre d'admission 34 comporte un relief 38 qui vient en regard de l'ouverture 41.1 et qui présente une forme adaptée pour dévier latéralement le flux dans l'étage inférieur 34.1 en direction du centre du corps 11, ainsi que cela est illustré par les flèches sur la figure 6.Advantageously, the lower stage 34.1 of the admission chamber 34 comprises a relief 38 which faces the opening 41.1 and which has a shape adapted to laterally deflect the flow in the lower stage 34.1 direction of the center of the body 11, as is illustrated by the arrows on the figure 6 .

La chambre d'admission 34 comprend également une pluralité de picots 40 s'étendant au niveau de l'étage inférieur 34.1 au voisinage du relief 38, la présence de ces picots 40 permettant d'augmenter la surface d'échange entre le flux de vapeur et le corps 11 chauffant, et donc de favoriser l'évaporation des gouttelettes d'eau du flux de vapeur s'écoulant à travers le circuit de distribution de vapeur 16.The admission chamber 34 also comprises a plurality of pins 40 extending at the level of the lower stage 34.1 in the vicinity of the relief 38, the presence of these pins 40 to increase the exchange surface between the vapor flow and the heating body 11, and thus to promote the evaporation of the water droplets of the flow of vapor flowing through the steam distribution circuit 16.

L'étage supérieur 34.2 de la chambre d'admission 34 communique par une ouverture latérale 44, visible sur la figure 5, avec une portion intermédiaire 16.2 du circuit de distribution de vapeur 16, cette portion intermédiaire permettant la diffusion du flux de vapeur depuis l'étage supérieur 34.2 vers l'ouverture d'entrée inférieure 23 latérale en passant par une chambre de mise en communication 16.3 ménagée dans la partie de recouvrement 12.The upper stage 34.2 of the admission chamber 34 communicates through a lateral opening 44, visible on the figure 5 , with an intermediate portion 16.2 of the steam distribution circuit 16, this intermediate portion allowing diffusion of the steam flow from the upper stage 34.2 to the lower 23 lateral inlet opening through a communication chamber 16.3 arranged in the covering part 12.

L'appareil ainsi réalisé présente l'avantage de permettre une bonne rétention, à l'intérieur du corps du fer à repasser, des gouttelettes d'eau pouvant être amenées avec le flux de vapeur par le conduit d'acheminement de vapeur 5.The apparatus thus produced has the advantage of allowing good retention within the body of the iron of the water droplets which can be brought with the flow of steam through the steam conveying duct 5.

En effet, conformément au parcours illustré par des flèches sur la figure 7, le flux de vapeur issu du conduit d'acheminement de vapeur 5 pénètre dans la chambre d'admission 34 par l'ouverture 12.1 ménagée dans la partie de recouvrement 12, puis, sous l'effet de la vitesse du flux de vapeur, s'engouffre au travers de l'ouverture 41.1 de la plaque de séparation 41 avant d'être dévié latéralement par le relief 38. Les plus grosses gouttelettes d'eau transportées par la vapeur s'amoncellent alors sous l'effet de la force centrifuge dans un coin de la chambre latérale 39, formant une flaque E qui est progressivement vaporisée sous l'effet de l'échauffement provoqué par la résistance électrique 17.Indeed, according to the route illustrated by arrows on the figure 7 the steam flow from the steam supply conduit 5 enters the inlet chamber 34 through the opening 12.1 in the cover portion 12, and then, under the effect of the vapor flow velocity, engulfs through the opening 41.1 of the separating plate 41 before being deflected laterally by the relief 38. The largest water droplets transported by the steam then accumulate under the effect of the centrifugal force in a corner of the lateral chamber 39, forming a puddle E which is progressively vaporized under the effect of the heating caused by the electrical resistance 17.

La vapeur démunie de ses plus grosses gouttelettes d'eau s'échappe alors vers le haut en passant le long d'un bord périphérique de la paroi de séparation 41, puis au-dessus de la plaque de séparation 41 pour s'écouler au niveau de l'étage supérieur de la chambre d'admission 34. Le flux de vapeur quitte ensuite la chambre d'admission 34 par l'ouverture latérale 44 où la vapeur s'écoule par la portion intermédiaire 16.2 puis par la chambre de mise en communication 16.3 jusqu'à atteindre le dispositif de retenue 18.The steam with its largest droplets of water then escapes upwards passing along a peripheral edge of the partition wall 41, then above the separating plate 41 to flow at the level the upper stage of the inlet chamber 34. The vapor flow then leaves the inlet chamber 34 through the lateral opening 44 where the steam flows through the intermediate portion 16.2 then through the communication port 16.3 until reaching the retaining device 18.

Les éventuelles gouttelettes d'eau encore présentes dans le flux de vapeur sont alors piégées par le dispositif de retenue 18 de sorte que le flux de vapeur s'échappe par les orifices de vapeur 15 de la surface de repassage en étant démuni de la majeure partie des gouttelettes d'eau injectées en même temps que le flux de vapeur au niveau de l'entrée de flux de vapeur 16.1.Any droplets of water still present in the vapor stream are then trapped by the retaining device 18 so that the flow of vapor escapes through the steam orifices 15 of the ironing surface while being deprived of the major part water droplets injected at the same time as the steam flow at the steam flow inlet 16.1.

Les figures 8 à 10 illustrent un second mode de réalisation de l'invention qui diffère du premier mode de réalisation uniquement en ce que la semelle chauffante 11 comporte une plaque de séparation 141 présentant une forme différente de la plaque de séparation 41 illustrée.The Figures 8 to 10 illustrate a second embodiment of the invention which differs from the first embodiment only in that the heating soleplate 11 comprises a separating plate 141 having a different shape of the separating plate 41 illustrated.

En effet, conformément à la figure 9, dans ce second mode de réalisation la plaque de séparation 141 comporte une cloison 100 de fermeture qui s'étend verticalement pour venir au contact de la plaque de recouvrement 12 afin de fermer le passage qui, dans le premier mode de réalisation, établit une communication directe entre la chambre latérale 39 et l'étage supérieur 34.2. La plaque de séparation 141 comporte également une ouverture 141.1 destinée à venir en regard de l'entrée de flux de vapeur 16.1, cette ouverture 141.1 permettant à la vapeur issue de l'entrée de flux de vapeur 16.1 de pénétrer directement dans l'étage inférieur 34.1.Indeed, in accordance with the figure 9 in this second embodiment, the separating plate 141 comprises a closing partition 100 which extends vertically to come into contact with the cover plate 12 in order to close the passage which, in the first embodiment, establishes a communication direct between the lateral chamber 39 and the upper stage 34.2. The separating plate 141 also has an opening 141.1 intended to come opposite the steam flow inlet 16.1, this opening 141.1 allowing the steam coming from the steam flow inlet 16.1 to penetrate directly into the lower stage. 34.1.

L'appareil selon ce second mode de réalisation présente l'avantage de permettre une rétention encore améliorée des gouttelettes d'eau pouvant être amenées avec le flux de vapeur par le conduit d'acheminement de vapeur 5, à l'intérieur du corps du fer à repasser.The apparatus according to this second embodiment has the advantage of allowing even better retention of the droplets of water which can be supplied with the steam flow via the steam conveying duct 5, inside the iron body. to redo.

En effet, conformément au parcours illustré par des flèches sur la figure 10, le flux de vapeur issu du conduit d'acheminement de vapeur pénètre dans la chambre d'admission 34 par l'ouverture 12.1 ménagée dans la partie de recouvrement 12, puis, sous l'effet de la vitesse du flux de vapeur, s'engouffre au travers de l'ouverture 141.1 de la plaque de séparation 141 puis s'écoule dans l'étage inférieur 34.1 en étant dévié latéralement en direction de la chambre latérale 39. Les plus grosses gouttelettes d'eau transportées par la vapeur s'amoncellent alors sous l'effet de la force centrifuge dans un coin de la chambre latérale 39, formant une flaque E qui est progressivement vaporisée sous l'effet de l'échauffement provoqué par la résistance électrique 17.Indeed, according to the route illustrated by arrows on the figure 10 the steam flow from the steam supply conduit enters the inlet chamber 34 through the opening 12.1 in the cover portion 12, and then, under the effect of the vapor flow velocity, engulfed through the opening 141.1 of the separating plate 141 and then flows into the lower stage 34.1 by being deflected laterally towards the lateral chamber 39. The largest water droplets transported by the steam pile up then under the effect of centrifugal force in a corner of the room 39, forming a pool E which is gradually vaporized under the effect of the heating caused by the electrical resistance 17.

La communication entre la chambre latérale 39 et l'étage supérieur 34.2 étant fermée par la cloison, la chambre latérale 39 constitue alors une impasse dans laquelle le flux de vapeur ne peut entrer et sortir que par une seule voie d'accès. En conséquence, la vapeur injectée dans l'étage inférieur 34.1, ne peut s'échapper qu'en rebroussant chemin dans l'étage inférieur 34.1, de sorte qu'il se créé un flux de retour, illustré par les flèches R, passant à contre flux dans l'étage inférieur 34.1 et dans l'ouverture 141.1, puis s'écoulant au niveau de l'étage supérieur 34.2 de la chambre d'admission 34. Lors de cet écoulement à contre flux du flux de retour, la forte énergie (vitesse, pression) du flux de vapeur entrant par l'ouverture 141.1 permet de pulvériser les éventuelles gouttelettes restant contenues dans le flux de retour.The communication between the side chamber 39 and the upper stage 34.2 being closed by the partition, the side chamber 39 is then a dead end in which the flow of steam can enter and exit by a single access path. As a result, the steam injected into the lower stage 34.1 can only escape by reversing into the lower stage 34.1, so that a return flow is created, illustrated by the arrows R, passing to against flow in the lower stage 34.1 and in the opening 141.1, then flowing at the level of the upper stage 34.2 of the inlet chamber 34. During this flow against the return flow, the high energy (speed, pressure) of the flow of vapor entering through the opening 141.1 makes it possible to spray any remaining droplets contained in the return flow.

Le flux de vapeur quitte ensuite la chambre d'admission 34 par l'ouverture latérale 44 où la vapeur s'écoule par la portion intermédiaire 16.2 puis par la chambre de mise en communication 16.3 jusqu'à atteindre le dispositif de retenue 18.The flow of vapor then leaves the admission chamber 34 through the lateral opening 44 where the steam flows through the intermediate portion 16.2 and then through the communication chamber 16.3 until it reaches the retaining device 18.

Les éventuelles gouttelettes d'eau encore présentes dans le flux de vapeur sont alors piégées par le dispositif de retenue 18 de sorte que le flux de vapeur s'échappe par les orifices de vapeur 15 de la surface de repassage en étant démuni de la majeure partie des gouttelettes d'eau injectées en même temps que le flux de vapeur au niveau de l'entrée de flux de vapeur 16.1.Any droplets of water still present in the vapor stream are then trapped by the retaining device 18 so that the flow of vapor escapes through the steam orifices 15 of the ironing surface while being deprived of the major part water droplets injected at the same time as the steam flow at the steam flow inlet 16.1.

La figure 11 illustre une autre variante de réalisation de l'invention dans laquelle la fermeture du passage entre la chambre latérale 39 et l'étage supérieur 34.2 est réalisée au moyen d'une cloison 200 portée par la partie de recouvrement 12 qui vient se positionner à la place de la cloison 100 portée par la plaque de séparation 141 dans le deuxième mode de réalisation, la plaque de séparation étant dans cette variante de réalisation identique à celle décrite pour le premier mode de réalisation.The figure 11 illustrates another variant embodiment of the invention in which the closing of the passage between the lateral chamber 39 and the upper stage 34.2 is carried out by means of a partition 200 carried by the covering portion 12 which is positioned instead of the partition 100 carried by the partition plate 141 in the second embodiment, the partition plate being in this embodiment identical to that described for the first embodiment.

La circulation du flux de vapeur dans cette variante de réalisation est en tous points similaires à celle décrite pour le deuxième mode de réalisation.The circulation of the vapor flow in this variant embodiment is in all respects similar to that described for the second embodiment.

Bien entendu, l'invention n'est nullement limitée aux modes de réalisation décrits et illustrés qui n'ont été donnés qu'à titre d'exemples. 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 invention is not limited to the described and illustrated embodiments which have been given only as examples. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Ainsi, dans une variante de réalisation non représentée, l'entrée de flux de vapeur pourra déboucher directement dans l'étage inférieur de la chambre d'admission. A titre d'exemple, plutôt que d'être portée par la partie de recouvrement, l'entrée de flux de vapeur pourra être constituée par un orifice ménagé dans une paroi du corps, cet orifice débouchant latéralement au niveau de l'étage inférieur.Thus, in an embodiment variant not shown, the steam flow inlet can lead directly into the lower floor of the intake chamber. By way of example, rather than being carried by the covering part, the steam flow inlet may be constituted by an orifice formed in a wall of the body, this orifice opening laterally at the level of the lower floor.

Ainsi, dans une variante de réalisation non représentée, la paroi de séparation pourra être disposée parallèlement à la surface de repassage.Thus, in an alternative embodiment not shown, the partition wall may be arranged parallel to the ironing surface.

Claims (12)

Fer à vapeur (4) comportant un corps (11) en contact thermique avec une surface de repassage (14), un circuit de distribution de vapeur (16) ménagé dans ledit corps (11) et une partie de recouvrement (12) rapportée sur le corps (11) délimitant au moins en partie le circuit de distribution de vapeur (16), le circuit de distribution de vapeur (16) comprenant une entrée de flux de vapeur (16.1) débouchant dans une chambre d'admission (34) de la vapeur et au moins un trou de sortie de vapeur (15) ménagé sur la surface de repassage (14), l'entrée du flux de vapeur s'effectue par une ouverture (12.1) ménagée dans la partie de recouvrement (12), caractérisé en ce que ladite chambre d'admission (34) comporte une paroi de séparation (41) divisant la chambre d'admission (34) en un étage inférieur (34.1) ménagé en-dessous de la paroi de séparation (41) et un étage supérieur (34.2) ménagé au-dessus de la paroi de séparation (41), la vapeur issue de l'entrée de flux de vapeur (16.1) circulant successivement dans l'étage inférieur (34.1) puis dans l'étage supérieur (34.2).Steam iron (4) having a body (11) in thermal contact with an ironing surface (14), a steam distribution circuit (16) formed in said body (11) and a cover portion (12) attached to the body (11) at least partially delimiting the steam distribution circuit (16), the vapor distribution circuit (16) comprising a vapor flow inlet (16.1) opening into an inlet chamber (34) of the steam and at least one steam outlet hole (15) on the ironing surface (14), the vapor flow inlet is effected through an opening (12.1) in the cover part (12), characterized in that said inlet chamber (34) has a partition wall (41) dividing the inlet chamber (34) into a lower stage (34.1) formed below the partition wall (41) and a upper stage (34.2) formed above the partition wall (41), the steam from the vapor stream inlet (16.1) circulating successively in the lower stage (34.1) then in the upper stage (34.2). Fer à vapeur (4) selon la revendication 1, caractérisé en ce que la paroi de séparation (41) est constituée par une plaque rapportée dans la chambre de vaporisation (34).Steam iron (4) according to claim 1, characterized in that the partition wall (41) is constituted by a plate attached to the vaporization chamber (34). Fer à vapeur (4) selon la revendication 2, caractérisé en ce que la paroi de séparation (41) est immobilisée en étant prise en sandwich entre des éléments (36, 37) en saillie portés par le corps (11) et des éléments en saillie (42) portés pas la partie de recouvrement.Steam iron (4) according to Claim 2, characterized in that the separating wall (41) is immobilized by being sandwiched between projecting elements (36, 37) carried by the body (11) and elements protrusion (42) carried not the covering part. Fer à vapeur (4) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la paroi de séparation (41) comporte une ouverture (41.1) disposée en regard de l'entrée de flux de vapeur (16.1).Steam iron (4) according to any one of claims 1 to 3, characterized in that the partition wall (41) has an opening (41.1) disposed opposite the vapor flow inlet (16.1). Fer à vapeur (4) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la chambre d'admission (34) comporte une pluralité de picots (40) faisant saillie à l'intérieur de la chambre d'admission (34).Steam iron (4) according to one of claims 1 to 4, characterized in that the inlet chamber (34) has a plurality of pins (40) projecting into the inlet chamber ( 34). Fer à vapeur (4) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la surface de repassage (14) est plane et en ce que la paroi de séparation (41) est inclinée par rapport au plan de la surface de repassage (14) d'un angle compris entre 0° et 10° et préférentiellement d'un angle de l'ordre de 5°.Steam iron (4) according to one of Claims 1 to 5, characterized in that the ironing surface (14) is flat and that the partition wall (41) is inclined with respect to the plane of the surface ironing (14) an angle between 0 ° and 10 ° and preferably an angle of the order of 5 °. Fer à vapeur (4) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le circuit distribution (16) comporte une chambre latérale (39) pour la rétention des condensats qui est disposée latéralement à la paroi de séparation (41)Steam iron (4) according to one of Claims 1 to 6, characterized in that the distribution circuit (16) has a lateral chamber (39) for condensate retention which is arranged laterally on the partition wall (41). ) Fer à vapeur (4) selon la revendication 7, caractérisé en ce que la chambre latérale (39) est disposée au voisinage d'un plot (45) supportant un thermostat de régulation d'une résistance électrique (17) destinée à chauffer le corps (11).Steam iron (4) according to claim 7, characterized in that the lateral chamber (39) is arranged in the vicinity of a stud (45) supporting an electric resistance control thermostat (17) for heating the body (11). Fer à vapeur (4) selon l'une quelconque des revendications 7 à 8, caractérisé en ce que la chambre latérale (39) met en communication l'étage inférieur (34.1) et l'étage supérieur (34.2), le flux de vapeur passant de l'étage inférieur (34.1) à l'étage supérieur (34.2) en s'écoulant de bas en haut le long d'un bord périphérique de la paroi de séparation (41).Steam iron (4) according to any one of claims 7 to 8, characterized in that the lateral chamber (39) communicates the lower stage (34.1) and the upper stage (34.2), the vapor flow passing from the lower floor (34.1) to the upper floor (34.2) flowing upwardly along a peripheral edge of the partition wall (41). Fer à vapeur (4) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'étage inférieur (34.1) forme une impasse vers laquelle le flux de vapeur est envoyé et ne peut s'échapper qu'en rebroussant chemin.Steam iron (4) according to any one of claims 1 to 7, characterized in that the lower stage (34.1) forms a dead end towards which the flow of steam is sent and can escape only by reversing path . Fer à vapeur (4) selon la revendication 10, caractérisé en ce que la paroi de séparation (141) comporte une ouverture (141.1) disposée en regard de l'entrée de flux de vapeur (16.1) et en ce que le flux de vapeur pénètre dans l'étage inférieur (34.1) et sort de l'étage inférieur (34.1), pour s'écouler dans l'étage supérieur (34.2), en passant majoritairement par ladite ouverture (141.1).Steam iron (4) according to claim 10, characterized in that the partition wall (141) has an opening (141.1) arranged opposite the vapor flow inlet (16.1) and in that the steam flow enters the lower stage (34.1) and leaves the lower stage (34.1) to flow into the upper stage (34.2), passing mainly through said opening (141.1). Appareil de repassage (2) comprenant un fer à vapeur (4) selon l'une quelconque des revendications 1 à 11, un générateur de vapeur (6) et un conduit d'acheminement de vapeur (5) reliant le générateur de vapeur (6) au fer à vapeur (4) et destiné à alimenter le fer à vapeur (4) en vapeur.Ironing apparatus (2) comprising a steam iron (4) according to any one of claims 1 to 11, a steam generator (6) and a steam conduit (5) connecting the steam generator (6). ) to the steam iron (4) and for supplying the steam iron (4) with steam.
EP17205798.6A 2016-12-13 2017-12-07 Ironing appliance comprising steam iron comprising a steam distribution circuit contained in a body in thermal contact with an ironing surface Active EP3336241B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1662363A FR3060031B1 (en) 2016-12-13 2016-12-13 STEAM IRON HAVING A STEAM DISTRIBUTION CIRCUIT HOUSING IN A BODY IN THERMAL CONTACT WITH AN IRONING SURFACE

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EP3336241A1 true EP3336241A1 (en) 2018-06-20
EP3336241B1 EP3336241B1 (en) 2020-07-22

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Publication number Priority date Publication date Assignee Title
FR3060031B1 (en) * 2016-12-13 2019-12-13 Seb S.A. STEAM IRON HAVING A STEAM DISTRIBUTION CIRCUIT HOUSING IN A BODY IN THERMAL CONTACT WITH AN IRONING SURFACE

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US5279054A (en) * 1991-11-21 1994-01-18 Black & Decker Inc. Steam iron including double boiler portions, heaters, and thermostat
EP1270796A1 (en) * 2001-06-19 2003-01-02 Naomoto Industry Co., Ltd. All steam iron
EP2578745A1 (en) * 2011-09-09 2013-04-10 Seb S.A. Iron comprising a steam distribution circuit including a filtering screen
WO2016038792A1 (en) * 2014-09-11 2016-03-17 パナソニックＩｐマネジメント株式会社 Steam iron
EP3064640A1 (en) * 2015-03-03 2016-09-07 Seb S.A. Ironing electrical appliance comprising a tank including a scale preventive agent and a steam distribution circuit comprising a filter

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FR3001234B1 (en) * 2013-01-22 2015-12-25 Seb Sa STEAM IRONING APPARATUS COMPRISING A STEAM GENERATOR AND AN IRON
FR3010420B1 (en) * 2013-09-10 2015-09-25 Seb Sa IRONING HOUSEHOLD APPLIANCE COMPRISING A FILTER FOR RETAINING VAPOR TRANSPARENT TARTRE PARTICLES
FR3018830B1 (en) * 2014-03-24 2016-05-13 Seb Sa HOUSEHOLD APPLIANCE COMPRISING AN IRON AND A PORTABLE BASE COMPRISING A LOCATION FOR PLACING IRON
CN203977203U (en) * 2014-03-27 2014-12-03 卓力电器集团有限公司 A kind of table type steam electric iron with take-up
FR3060031B1 (en) * 2016-12-13 2019-12-13 Seb S.A. STEAM IRON HAVING A STEAM DISTRIBUTION CIRCUIT HOUSING IN A BODY IN THERMAL CONTACT WITH AN IRONING SURFACE

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279054A (en) * 1991-11-21 1994-01-18 Black & Decker Inc. Steam iron including double boiler portions, heaters, and thermostat
EP1270796A1 (en) * 2001-06-19 2003-01-02 Naomoto Industry Co., Ltd. All steam iron
EP2578745A1 (en) * 2011-09-09 2013-04-10 Seb S.A. Iron comprising a steam distribution circuit including a filtering screen
WO2016038792A1 (en) * 2014-09-11 2016-03-17 パナソニックＩｐマネジメント株式会社 Steam iron
EP3064640A1 (en) * 2015-03-03 2016-09-07 Seb S.A. Ironing electrical appliance comprising a tank including a scale preventive agent and a steam distribution circuit comprising a filter

Also Published As

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EP3336241B1 (en) 2020-07-22
CN207973917U (en) 2018-10-16
CN108611835A (en) 2018-10-02
CN108611835B (en) 2021-08-27
FR3060031A1 (en) 2018-06-15
FR3060031B1 (en) 2019-12-13

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