EP1992731A1 - Frontloading washing machine - Google Patents
Frontloading washing machine Download PDFInfo
- Publication number
- EP1992731A1 EP1992731A1 EP08008698A EP08008698A EP1992731A1 EP 1992731 A1 EP1992731 A1 EP 1992731A1 EP 08008698 A EP08008698 A EP 08008698A EP 08008698 A EP08008698 A EP 08008698A EP 1992731 A1 EP1992731 A1 EP 1992731A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- opening
- water
- steam
- inlet
- nozzle
- 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
Links
- 238000005406 washing Methods 0.000 title description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000012267 brine Substances 0.000 abstract 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 7
- 239000013505 freshwater Substances 0.000 description 3
- 239000003599 detergent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/40—Steam generating 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
Definitions
- the invention relates to a front-loadable laundry treatment machine having a housing, with a substantially circular housing opening which can be closed by a door, and a sump container mounted in the housing and having a substantially circular suds container opening and a sealing sleeve which is used to connect the housing opening to the suds container opening is disposed, in which a nozzle for injecting water is arranged, and a means for generating steam, which comprises a tank, a radiator, an inlet opening and a common outlet opening for steam and water, the / via the nozzle in the region of Gasket in the interior of the tub can be injected.
- the invention further relates to a front-loading laundry treating machine having a housing, with a substantially circular housing opening closable by a door, and a substantially cylindrical container arranged in the housing for receiving the laundry to be treated with a substantially circular container opening, a nozzle for flushing of water, and a device for generating steam, comprising a tank, a radiator, an inlet opening and a common outlet opening for steam and water which can be injected via the nozzle in the region of the edge of the container opening into the interior of the container.
- a front loadable washing machine with a tub for holding washing liquid and the laundry to be treated.
- the washing machine further comprises a steam generator having a tank for holding the liquid to be evaporated and a heating body for heating and vaporizing the liquid.
- the washing machine has a device for spraying or introducing water into the tub, wherein the device has a nozzle in the edge region of the door opening.
- a separate nozzle for the water inlet and a further nozzle or a pipe socket for the steam is provided, wherein the supply lines are passed through the gasket.
- the arrangement of two separate nozzles in the area of the door opening, the access to the tub interior is slightly more difficult.
- a separate, controllable valve is provided in each case, which is quite expensive.
- the washing machine disclosed herein includes a steam generator for treating the laundry with steam.
- a container for the liquid to be evaporated is provided, in which the liquid is heated with a radiator.
- the steam is fed into the treatment room or into the interior of the drum.
- water can also be conducted via the same line and nozzle into the interior of the drum.
- the inflow is directly connected to the water supply and is controlled by a valve.
- Comprehensive measures have to be taken to maintain water safety, in which backflow of washing water into the supply network must be prevented.
- an overflow via the drain hose is provided, which is lower than the injection nozzle.
- the main advantage of the laundry treating machine according to the invention is that for the means for generating steam, the water safety in terms of hygiene requirements, which are required by law in most countries, for the fresh water inlet can be achieved in a simple manner. It is particularly advantageous that the achieved hygiene requirements are also recognized by independent bodies. This is particularly important to note, as during the generation of steam in the steam generating device creates a pressure that can lead to a backflow towards the inlet valve, the security is given that it can not come to contamination of the supply network of fresh water.
- the water inlet to the inlet opening of the steam generating device is controllable via an inlet valve, wherein between the inlet valve and the inlet opening of the tank, a free flow path is arranged.
- the free flow path is formed by the fact that the line ends behind the inlet valve in the detergent dispenser box, whereby the incoming water passes into a flying jet of water.
- This water jet is collected again from the opening of a further line section and guided to the inlet opening of the tank.
- the inlet opening of the tank comprises a check valve.
- a pressure is created in the tank, which is to be discharged via the nozzle, or only by the pressure generated, the steam can be injected through the nozzle in the treatment room, such as drum or tub. Therefore, the pressure must not be reduced via the inlet opening.
- the line between the free flow path and the inlet opening is at least partially formed as a siphon with a sloping leg, a vertex and an ascending leg.
- the function of the check valve is provided because the water remaining in the siphon forms a barrier to the backflowing vapor.
- a vapor pressure hereinafter referred to as overpressure
- the remaining water in the siphon is pressed in the direction of free flow, whereby the water and the pressure in the Ein Hugheskasten be drained.
- an overpressure protection is additionally provided, so that a damage in the container due to overpressure is prevented in a simple manner.
- the apex of the siphon which forms the lowest point of the siphon, is at a higher level than the outlet of the nozzle, wherein the height difference is greater than 15 cm.
- the diameter of the ascending pipe part is also expedient to make the diameter of the ascending pipe part by 1.2 to 1.8 times larger than the diameter of the sloping pipe part. In this way, it is ensured that in the water inlet, the water column present in the sloping pipe part is sucked to the apex and thereby air can flow into the tank when the water flows through the nozzle out of the container. As soon as no more water flows out, the still excess water in the ascending pipe part can flow back somewhat into the apex area and into the lower part of the sloping pipe part, whereby the previously described closure with valve action is formed.
- the nozzle or the opening of the nozzle has a cross section of 0.4 to 1 cm 2 .
- a sufficient amount of steam can be injected into the tub, drum or treatment room.
- Fig. 1 and 2 is a purely schematic representation of a laundry treatment machine 1, here a washing machine, shown with a tub 2.
- the position and direction information refer to the operational installation position of the laundry treatment machine.
- a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the washing 8 located in the tub 2.
- the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding.
- the washing liquid 7 or water is introduced, which is required for cleaning or treating the laundry 8.
- a radiator (not shown) is arranged in the lower region of the tub 2.
- an inlet valve 15 is sketched, which controls the entry of the water from the supply network.
- the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2.
- the laundry treatment machine 1 has a device 12 for generating steam, which is injected via a line 16 and a nozzle 17 connected thereto in the interior of the tub 2 and in the interior of the drum 3.
- the nozzle 17 is in the upper region of the gasket 6, which provides the connection between the opening 9 in the tub 2 and the closable by the door 5 opening 10 in the housing 4, attached.
- Fig. 1 is at the steam generating means 12 at the inlet opening 18 for the water, a check valve 20 is present, which prevents that generated in the tank 21 steam from this opening 18 emerges.
- a line is connected, via which the steam or else Cyprusendes water is passed to the nozzle 17.
- the nozzle 17 is in the upper area at the edge of the opening 9 in the treatment chamber, here in the region of the sealing sleeve 6, mounted, the nozzle 17 to the interior of the tub 2 shows, so that a good Dampfbesprühung located in the tub 2 and drum 3 laundry 8 is provided.
- a controller 28 controls the operations for carrying out a laundry treatment program or washing program and the execution of steam generation, in particular, driving the inlet valve 15 and the radiator 26 (FIG. Fig. 3 ).
- FIG. 2 an embodiment of the laundry treatment machine 1 is sketched with a device 12 for generating steam with siphon 22, which forms the function of the check valve and additionally protects the tank 21, the nozzle 17 or the supply line 16 to the nozzle 17 against excessive pressure.
- a free flow path 23 is arranged in the region of the dispenser box 11.
- the open end of the line 24 behind the inlet valve causes the incoming water into a water jet 25 passes.
- the open end 24a of the inlet for the siphon 22 is arranged, in which the water jet 25 arrives and from there through the siphon 22, passes through the inlet opening 18 in the tank 21 of the steam generating device 12.
- the free flow path 23 is also suitable in a laundry treatment machine 1 according to Fig. 1 to be used, which has a check valve 20 at the inlet opening 18 on the tank 21 instead of the siphon 22.
- the exit of the water and / or steam via nozzle 17 is done in the same way as described above.
- the siphon 22 has a sloping tube portion 22a on the incoming side of the water, a apex 22b forming the lowest point of the siphon 22, and an ascending tube portion 22c on the downstream side of the water, which is then directed to the tank 21 of the steam generator 12.
- the tank 21 is arranged so that the inlet opening 18 is lower than the free flow path 23, preferably by about 10 to 30 mm.
- the apex 22b of the siphon 22 is arranged higher relative to the nozzle 17, preferably 10 to 40 cm.
- the ascending pipe part 22c in this case has a diameter 1.2 to 1.8 times larger than the sloping pipe part 22a. This will ensure that during the water inlet, the water column present in the sloping pipe part 22a is sucked to the apex 22b and air can then flow into the tank 21 through the rising pipe part 22c as the water flows out of the container 21 through the nozzle 17. As soon as no more water flows out, the water from the ascending tube part 22c can flow back into the apex region 22b and into the lower part of the sloping tube part 22a, whereby the valve closure described above is formed.
- a laundry treatment machine 1 instead of a washing machine and a dryer with a rotatable drum can be used, which contains no tub and no gasket between the tub and housing opening.
- the nozzle 17 is arranged in the edge region of the housing opening, so that the steam can be injected into the interior of the drum.
- the steam generating device 12 is shown as a single part.
- the steam generating device 12 comprises a tank 21, a radiator 26, an inlet opening 18 and a common outlet opening 19 for steam and water. Via the terminals 27, the electrical energy is supplied to the radiator 26 for heating the water located in the tank 21.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Detergent Compositions (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine frontbeschickbare Wäschebehandlungsmaschine mit einem Gehäuse, mit einer durch eine Tür verschließbaren im Wesentlichen kreisförmigen Gehäuseöffnung, und einem in dem Gehäuse angeordneten, schwingbeweglich befestigten Laugenbehälter mit einer im Wesentlichen kreisförmigen Laugenbehälteröffnung und einer Dichtungsmanschette, die zur Verbindung zwischen der Gehäuseöffnung und der Laugenbehälteröffnung angeordnet ist, in der eine Düse zum Einspülen von Wasser angeordnet ist, und einer Einrichtung zur Erzeugung von Dampf, die einen Tank, einen Heizkörper, eine Eintrittsöffnung und eine gemeinsame Austrittsöffnung für Dampf und Wasser umfasst, der/das über die Düse im Bereich der Dichtungsmanschette in den Innenraum des Laugenbehälters einspritzbar ist.The invention relates to a front-loadable laundry treatment machine having a housing, with a substantially circular housing opening which can be closed by a door, and a sump container mounted in the housing and having a substantially circular suds container opening and a sealing sleeve which is used to connect the housing opening to the suds container opening is disposed, in which a nozzle for injecting water is arranged, and a means for generating steam, which comprises a tank, a radiator, an inlet opening and a common outlet opening for steam and water, the / via the nozzle in the region of Gasket in the interior of the tub can be injected.
Die Erfindung betrifft ferner eine frontbeschickbare Wäschebehandlungsmaschine mit einem Gehäuse, mit einer durch eine Tür verschließbaren im Wesentlichen kreisförmigen Gehäuseöffnung, und einem in dem Gehäuse angeordneten, im Wesentlichen zylinderförmigen Behälter zur Aufnahme der zu behandelnden Wäsche mit einer im Wesentlichen kreisförmigen Behälteröffnung, einer Düse zum Einspülen von Wasser, und einer Einrichtung zur Erzeugung von Dampf, die einen Tank, einen Heizkörper, eine Eintrittsöffnung und eine gemeinsame Austrittsöffnung für Dampf und Wasser umfasst, der/das über die Düse im Bereich des Randes der Behälteröffnung in den Innenraum des Behälters einspritzbar ist.The invention further relates to a front-loading laundry treating machine having a housing, with a substantially circular housing opening closable by a door, and a substantially cylindrical container arranged in the housing for receiving the laundry to be treated with a substantially circular container opening, a nozzle for flushing of water, and a device for generating steam, comprising a tank, a radiator, an inlet opening and a common outlet opening for steam and water which can be injected via the nozzle in the region of the edge of the container opening into the interior of the container.
Aus der
Aus der
Es ist Aufgabe der vorliegenden Erfindung, das Einspülen von Wasser und das Einblasen von Dampf in den Behandlungsraum bei einer Wäschebehandlungsmaschine derart zu verbessern, dass die Wassersicherheit auf einfache Weise erreicht wird.It is an object of the present invention to improve the flushing of water and the injection of steam into the treatment room in a laundry treatment machine such that the water safety is achieved in a simple manner.
Die Aufgabe wird durch eine Wäschebehandlungsmaschine mit den Merkmalen des Anspruchs 1 oder 2 gelöst. In den abhängigen Ansprüchen 3 bis 7 sind bevorzugte Ausführungen oder Weiterbildungen aufgeführt.The object is achieved by a laundry treatment machine having the features of
Der wesentliche Vorteil der erfindungsgemäßen Wäschebehandlungsmaschine ist, dass für die Einrichtung zur Erzeugung von Dampf die Wassersicherheit hinsichtlich von Hygieneanforderungen, die in den meisten Ländern gesetzlich vorgeschrieben sind, für den Frischwassereinlauf auf einfache Weise erreicht werden. Hierbei ist es besonders vorteilhaft, dass die erreichten Hygieneanforderungen auch von unabhängigen Stellen anerkannt werden. Das ist hierbei besonders zu beachten, da während der Erzeugung von Dampf in der Dampferzeugungseinrichtung ein Druck entsteht, der zu einem Rückströmen in Richtung Einlassventil führen kann, wobei die Sicherheit gegeben ist, dass es nicht zur Verunreinigung der Versorgungsnetzes des Frischwassers kommen kann.The main advantage of the laundry treating machine according to the invention is that for the means for generating steam, the water safety in terms of hygiene requirements, which are required by law in most countries, for the fresh water inlet can be achieved in a simple manner. It is particularly advantageous that the achieved hygiene requirements are also recognized by independent bodies. This is particularly important to note, as during the generation of steam in the steam generating device creates a pressure that can lead to a backflow towards the inlet valve, the security is given that it can not come to contamination of the supply network of fresh water.
Erfindungsgemäß ist vorgesehen, dass der Wasserzulauf zur Einlassöffnung der Dampferzeugungseinrichtung über ein Einlassventil steuerbar ist, wobei zwischen Einlassventil und der Einlassöffnung des Tanks eine freie Fließstrecke angeordnet ist. Die freie Fließstrecke wird dadurch gebildet, dass die Leitung hinter dem Einlassventil im Bereich des Waschmitteleinspülkastens endet, wodurch das einströmende Wasser in einen fliegenden Wasserstrahl übergeht. Dieser Wasserstrahl wird von der Öffnung eines weiteren Leitungsabschnitts wieder aufgefangen und zur Einlassöffnung des Tanks geführt. Wenn bei geschlossenem Einlassventil im Tank durch das Erhitzen des Wassers ein Druck entsteht, kann aus dem Tank ausströmendes Wasser höchstens bis zur freien Fließstrecke gelangen, sodass es dort in den Waschmitteleinspülkasten herablaufen und von dort aus in den Laugenbehälter fließen kann. Es wird somit zuverlässig verhindert, dass eventuell zurückströmendes Wasser gegen das Einlassventil oder in die Frischwasserleitung des Versorgers gedrückt wird.According to the invention it is provided that the water inlet to the inlet opening of the steam generating device is controllable via an inlet valve, wherein between the inlet valve and the inlet opening of the tank, a free flow path is arranged. The free flow path is formed by the fact that the line ends behind the inlet valve in the detergent dispenser box, whereby the incoming water passes into a flying jet of water. This water jet is collected again from the opening of a further line section and guided to the inlet opening of the tank. When with inlet valve closed in Tank by heating the water creates a pressure, water flowing out of the tank can reach at most to the free flow path, so that it can run down there in the Waschmitteleinspülkasten and flow from there into the tub. It is thus reliably prevented that any backflowing water is pressed against the inlet valve or in the fresh water line of the supplier.
In einer zweckmäßigen Ausführung umfasst die Eintrittsöffnung des Tanks ein Rückschlagventil. Während der Dampferzeugung entsteht im Tank ein Druck, der über die Düse abgeleitet werden soll, bzw. nur durch den erzeugten Druck kann der Dampf über die Düse in den Behandlungsraum, wie Trommel oder Laugenbehälter eingeblasen werden. Deshalb darf der Druck nicht über die Eintrittsöffnung abgebaut werden.In an expedient embodiment, the inlet opening of the tank comprises a check valve. During steam generation, a pressure is created in the tank, which is to be discharged via the nozzle, or only by the pressure generated, the steam can be injected through the nozzle in the treatment room, such as drum or tub. Therefore, the pressure must not be reduced via the inlet opening.
In einer besonders vorteilhaften Ausführung ist die Leitung zwischen der freien Fließstrecke und der Eintrittsöffnung zumindest bereichsweise als Siphon mit einem abfallenden Schenkel, einem Scheitel und einem aufsteigenden Schenkel ausgebildet. Damit wird die Funktion des Rückschlagventils bereitgestellt, da das im Siphon verbleibende Wasser eine Sperre für den rückströmenden Dampf bildet. Zusätzlich wird bei zu hohem Dampfdruck, im Folgenden als Überdruck bezeichnet, das im Siphon verbliebene Wasser in Richtung freie Fließstrecke gepresst, wodurch das Wasser und der Überdruck in den Einspülkasten abgelassen werden. Mit dem Siphon wird zusätzlich eine Überdrucksicherung bereitgestellt, so dass ein Schaden im Behälter aufgrund von Überdruck auf einfache Weise verhindert wird.In a particularly advantageous embodiment, the line between the free flow path and the inlet opening is at least partially formed as a siphon with a sloping leg, a vertex and an ascending leg. Thus, the function of the check valve is provided because the water remaining in the siphon forms a barrier to the backflowing vapor. In addition, at too high a vapor pressure, hereinafter referred to as overpressure, the remaining water in the siphon is pressed in the direction of free flow, whereby the water and the pressure in the Einspülkasten be drained. With the siphon, an overpressure protection is additionally provided, so that a damage in the container due to overpressure is prevented in a simple manner.
In einer zweckmäßigen Weiterbildung ist es vorgesehen, dass der Scheitel des Siphons, der die tiefste Stelle des Siphons bildet, sich auf einem höheren Niveau befindet als der Austritt der Düse, wobei der Höhenunterschied größer als 15 cm ist. Mit dieser Anordnung wird erreicht, dass der Tank beim Wassereinlauf durch die Düse vollständig oder bis auf eine vorgegebene Restmenge leerlaufen kann. Die vorgegebene Restmenge ist durch die Behälterform oder sonstige konstruktive Maßnahmen, wie Überlaufmittel innerhalb des Behälters, bestimmt.In an expedient development, it is provided that the apex of the siphon, which forms the lowest point of the siphon, is at a higher level than the outlet of the nozzle, wherein the height difference is greater than 15 cm. With this arrangement, it is achieved that the tank can drain completely at the water inlet through the nozzle or to a predetermined residual amount. The predetermined residual amount is determined by the container shape or other design measures, such as overflow means within the container.
Es ist ferner zweckmäßig, den Durchmesser des aufsteigenden Rohrteils um das 1,2 bis 1,8 fache größer auszuführen, als den Durchmesser des abfallenden Rohrteils. Auf diese Weise wird sichergestellt, dass beim Wassereinlauf die im abfallenden Rohrteil vorhandene Wassersäule bis zum Scheitel abgesaugt wird und dadurch Luft in den Tank nachströmen kann, wenn das Wasser durch die Düse aus dem Behälter heraus strömt. Sobald kein Wasser mehr ausströmt, kann das noch überschüssige Wasser im aufsteigenden Rohrteil etwas zurück in den Scheitelbereich und in den unteren Teil des abfallenden Rohrteils strömen, wodurch der zuvor beschriebene Verschluss mit Ventilwirkung gebildet wird.It is also expedient to make the diameter of the ascending pipe part by 1.2 to 1.8 times larger than the diameter of the sloping pipe part. In this way, it is ensured that in the water inlet, the water column present in the sloping pipe part is sucked to the apex and thereby air can flow into the tank when the water flows through the nozzle out of the container. As soon as no more water flows out, the still excess water in the ascending pipe part can flow back somewhat into the apex area and into the lower part of the sloping pipe part, whereby the previously described closure with valve action is formed.
In einer vorteilhaften Ausführung hat die Düse bzw. die Öffnung der Düse einen Querschnitt von 0,4 bis 1 cm2. Mit diesem Querschnitt kann eine ausreichende Menge Dampf in den Laugenbehälter, die Trommel oder den Behandlungsraum eingespritzt werden. Bei diesem Querschnitt ist es vorteilhaft, das aufsteigende Rohrteil mit einem Durchmesser von 15 bis 20 mm und das abfallende Rohrteil mit einem Durchmesser von 8 bis 12 mm auszuführen, damit im Siphon eine ausreichende Wassermenge verbleibt, die vom Dampfdruck während der Dampfeinspritzung nicht zurück zur freien Fließstrecke herausgedrückt wird. Somit ist sichergestellt, dass der Dampf aus der Düse austritt und nicht über die freie Fließstrecke entweicht.In an advantageous embodiment, the nozzle or the opening of the nozzle has a cross section of 0.4 to 1 cm 2 . With this cross section, a sufficient amount of steam can be injected into the tub, drum or treatment room. In this cross-section, it is advantageous to carry out the ascending pipe part with a diameter of 15 to 20 mm and the sloping pipe part with a diameter of 8 to 12 mm, so that in the siphon a sufficient amount of water remains, the steam pressure during the steam injection is not back to the free Flow line is pushed out. This ensures that the steam escapes from the nozzle and does not escape via the free flow path.
Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigen:
- Fig. 1, 2:
- eine Wäschebehandlungsmaschine mit einer Dampferzeugungseinrichtung in einer skizzierten Schnittdarstellung und
- Fig. 3:
- eine Dampferzeugungseinrichtung als Einzelteil in einer perspektivischen Ansicht.
- Fig. 1, 2:
- a laundry treatment machine with a steam generating device in a sketched sectional view and
- 3:
- a steam generator as a single part in a perspective view.
In
Gemäß
In
Zwischen Einlassventil 15 und Siphon 22 ist im Bereich des Einspülkastens 11 eine freie Fließstrecke 23 angeordnet. Das offene Ende der Leitung 24 hinter dem Einlassventil führt dazu, dass das einlaufende Wasser in einen Wasserstrahl 25 übergeht. In einem Abstand zum Ende dieser Leitung 24 ist das offene Ende 24a des Zulaufs für den Siphon 22 angeordnet, in das der Wasserstrahl 25 eintrifft und von dort aus durch den Siphon 22, durch die Eintrittsöffnung 18 in den Tank 21 der Dampferzeugungseinrichtung 12 gelangt. Die freie Fließstrecke 23 ist auch dazu geeignet, in einer Wäschebehandlungsmaschine 1 gemäß
Der Austritt des Wassers und/oder des Dampfes über Düse 17 geschieht auf die gleiche Art und Weise, wie vorstehend beschrieben. Der Siphon 22 hat ein abfallendes Rohrteil 22a auf der ankommenden Seite des Wassers, einen Scheitel 22b, der die tiefste Stelle des Siphons 22 bildet und ein aufsteigendes Rohrteil 22c auf der abgehenden Seite des Wassers, welches anschließend zum Tank 21 der Dampferzeugungseinrichtung 12 geleitet wird. Um das Einlaufen des Wassers in den Tank 21 zu verbessern, ist der Tank 21 so angeordnet, dass die Eintrittsöffnung 18 gegenüber der freien Fließstrecke 23 tiefer liegt, vorzugsweise um etwa 10 bis 30 mm. Um das Ausfließen des Wassers aus dem Tank 21 zuverlässig zu gestalten, ist der Scheitel 22b des Siphons 22 gegenüber der Düse 17 höher angeordnet, vorzugsweise 10 bis 40 cm. Das aufsteigende Rohrteil 22c hat hierbei einen um das 1,2 bis 1,8 fache größeren Durchmesser, als das abfallende Rohrteil 22a. Auf diese Weise wird sichergestellt, dass beim Wassereinlauf die im abfallenden Rohrteil 22a vorhandene Wassersäule bis zum Scheitel 22b abgesaugt wird und dadurch Luft durch das aufsteigende Rohrteil 22c in den Tank 21 nachströmen kann, wenn das Wasser durch die Düse 17 aus dem Behälter 21 herausströmt. Sobald kein Wasser mehr ausströmt, kann das Wasser aus dem aufsteigenden Rohrteil 22c zurück in den Scheitelbereich 22b und in den unteren Teil des abfallenden Rohrteils 22a strömen, wodurch der zuvor beschriebene Verschluss mit Ventilwirkung gebildet wird.The exit of the water and / or steam via
Als Wäschebehandlungsmaschine 1 kann anstelle einer Waschmaschine auch ein Trockner mit einer drehbaren Trommel verwendet werden, der keinen Laugenbehälter und keine Dichtungsmanschette zwischen Laugenbehälter und Gehäuseöffnung enthält. Hierbei ist die Düse 17 im Randbereich der der Gehäuseöffnung angeordnet, damit der Dampf in das Innere der Trommel eingespritzt werden kann.As a
In
Claims (7)
dadurch gekennzeichnet,
dass der Wasserzulauf zur Einlassöffnung (18) der Dampferzeugungseinrichtung (12) über ein Einlassventil (15) steuerbar ist, wobei zwischen dem Einlassventil (15) und der Eintrittsöffnung (18) des Tanks eine freie Fließstrecke (23) angeordnet ist.A front-loading laundry treating machine (1) comprising a housing (4), a substantially circular housing opening (10) which can be closed by a door (5), and a slosh container (2) which is mounted in the housing (4) and has a substantially circular motion Lye container opening (9) and a sealing sleeve (6), which is arranged for connection between the housing opening (10) and the tub opening (9), in which a nozzle (17) is arranged for the injection of water, and means (12) for Generation of steam comprising a tank (21), a radiator (26), an inlet opening (18) and a common outlet opening (19) for steam and water, which via the nozzle (17) in the region of the sealing sleeve (6 ) is injectable into the interior of the tub (2),
characterized,
in that the water inlet to the inlet opening (18) of the steam generating device (12) is controllable via an inlet valve (15), wherein a free flow path (23) is arranged between the inlet valve (15) and the inlet opening (18) of the tank.
dadurch gekennzeichnet,
dass der Wasserzulauf zur Einlassöffnung (18) der Dampferzeugungseinrichtung (12) über ein Einlassventil (15) steuerbar ist, wobei zwischen dem Einlassventil (15) und der Eintrittsöffnung (18) des Tanks eine freie Fließstrecke (23) angeordnet ist.A front-loading laundry treating machine (1) having a housing (4) with a substantially circular housing opening (10) which can be closed by a door (5) and a substantially cylindrical container (2, 3) arranged in the housing (4) for receiving the laundry (8) to be treated having a substantially circular container opening (9), a nozzle (17) for injecting water and a device (12) for generating steam, comprising a tank (21), a heating body (26), an inlet opening (18) and a common outlet opening (19) for steam and water, which can be injected via the nozzle (17) in the region of the edge of the container opening (9) into the interior of the container (2, 3),
characterized,
in that the water inlet to the inlet opening (18) of the steam generating device (12) is controllable via an inlet valve (15), wherein a free flow path (23) is arranged between the inlet valve (15) and the inlet opening (18) of the tank.
dadurch gekennzeichnet,
dass an der Eintrittsöffnung (18) ein Rückschlagventil (20) angeordnet ist.A front-loading laundry treating machine (1) according to claim 1 or 2,
characterized,
that a check valve (20) is arranged at the inlet opening (18).
dadurch gekennzeichnet,
dass zwischen der freien Fließstrecke (23) und der Eintrittsöffnung (18) ein Siphon (22) mit einem abfallenden Rohrteil (22a) einem Scheitel (22b) und einem aufsteigenden Rohrteil (22c) angeordnet ist.A front-loading laundry treating machine (1) according to claim 1 or 2,
characterized,
that between the free flow path (23) and the inlet opening (18) a siphon (22) having a falling pipe part (22a) is disposed a vertex (22b) and a rising pipe part (22c).
dadurch gekennzeichnet,
dass sich der Scheitel (22b) des Siphons (22) auf einem höheren Niveau befindet als die Düse (17), wobei der Höhenunterschied größer als 15 cm ist.Front-loadable laundry treating machine (1) according to claim 4,
characterized,
in that the apex (22b) of the siphon (22) is at a higher level than the nozzle (17), the height difference being greater than 15 cm.
dadurch gekennzeichnet,
dass das aufsteigende Rohrteil (22c) einen um das 1,2 bis 1,8 fache größeren Durchmesser als das abfallende Rohrteil (22a) hat.Front-loadable laundry treating machine (1) according to claim 4,
characterized,
that the rising pipe part (22c) has a to 1.2 to 1.8 times larger diameter than the falling pipe part (22a).
dadurch gekennzeichnet,
dass das aufsteigende Rohrteil (22c) einen Durchmesser von 15 bis 20 mm und das abfallende Rohrteil (22a) einen Durchmesser von 8 bis 12 mm hat, wobei die Düse (17) einen Querschnitt von 0,4 bis 1cm2 hat.Front-loadable laundry treating machine (1) according to claim 4,
characterized,
that the rising pipe part (22c) has a diameter of 15 to 20 mm, and the falling pipe part (22a) has a diameter of 8 to 12 mm, wherein the nozzle (17) has a cross section of 0.4 to 1 cm. 2
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007023020A DE102007023020B3 (en) | 2007-05-15 | 2007-05-15 | Front loadable laundry treatment machine i.e. washing machine, has inlet valve controlling water supply to inlet opening of steam generation device, where free flow section is arranged between inlet valve and inlet opening of tank |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1992731A1 true EP1992731A1 (en) | 2008-11-19 |
EP1992731B1 EP1992731B1 (en) | 2010-09-01 |
Family
ID=39277949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08008698A Not-in-force EP1992731B1 (en) | 2007-05-15 | 2008-05-09 | Frontloading washing machine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1992731B1 (en) |
AT (1) | ATE479791T1 (en) |
DE (2) | DE102007023020B3 (en) |
ES (1) | ES2349216T3 (en) |
Cited By (3)
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CN105771289A (en) * | 2016-05-10 | 2016-07-20 | 深圳市瑞升华科技股份有限公司 | Vapor cleaning device for evaporative concentration |
CN111648095A (en) * | 2020-07-15 | 2020-09-11 | 珠海格力电器股份有限公司 | Steam generating device, washing machine and drainage method |
CN111663281A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Atomization generator, clothes treatment equipment and control method thereof |
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CN105771289A (en) * | 2016-05-10 | 2016-07-20 | 深圳市瑞升华科技股份有限公司 | Vapor cleaning device for evaporative concentration |
CN111663281A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Atomization generator, clothes treatment equipment and control method thereof |
CN111663281B (en) * | 2019-03-05 | 2023-11-03 | 天津海尔洗涤电器有限公司 | Atomization generator, clothes treatment equipment and control method thereof |
CN111648095A (en) * | 2020-07-15 | 2020-09-11 | 珠海格力电器股份有限公司 | Steam generating device, washing machine and drainage method |
CN111648095B (en) * | 2020-07-15 | 2023-08-25 | 珠海格力电器股份有限公司 | Steam generating device, washing machine and drainage method |
Also Published As
Publication number | Publication date |
---|---|
ES2349216T3 (en) | 2010-12-29 |
DE502008001234D1 (en) | 2010-10-14 |
EP1992731B1 (en) | 2010-09-01 |
DE102007023020B3 (en) | 2008-05-15 |
ATE479791T1 (en) | 2010-09-15 |
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