EP1992731A1 - Machine de traitement du linge à ouverture frontale - Google Patents

Machine de traitement du linge à ouverture frontale Download PDF

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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
Application number
EP08008698A
Other languages
German (de)
English (en)
Other versions
EP1992731B1 (fr
Inventor
Michael Finke
Wilfried Schäffersmann
Dirk Sieding
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1992731A1 publication Critical patent/EP1992731A1/fr
Application granted granted Critical
Publication of EP1992731B1 publication Critical patent/EP1992731B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Fiber Materials (AREA)
EP08008698A 2007-05-15 2008-05-09 Machine de traitement du linge à ouverture frontale Not-in-force EP1992731B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007023020A DE102007023020B3 (de) 2007-05-15 2007-05-15 Frontbeschickbare Wäschebehandlungsmaschine

Publications (2)

Publication Number Publication Date
EP1992731A1 true EP1992731A1 (fr) 2008-11-19
EP1992731B1 EP1992731B1 (fr) 2010-09-01

Family

ID=39277949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08008698A Not-in-force EP1992731B1 (fr) 2007-05-15 2008-05-09 Machine de traitement du linge à ouverture frontale

Country Status (4)

Country Link
EP (1) EP1992731B1 (fr)
AT (1) ATE479791T1 (fr)
DE (2) DE102007023020B3 (fr)
ES (1) ES2349216T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105771289A (zh) * 2016-05-10 2016-07-20 深圳市瑞升华科技股份有限公司 用于蒸发浓缩的洗气装置
CN111648095A (zh) * 2020-07-15 2020-09-11 珠海格力电器股份有限公司 蒸汽发生装置、洗衣机以及排水方法
CN111663281A (zh) * 2019-03-05 2020-09-15 青岛海尔洗衣机有限公司 雾化发生器、衣物处理设备及其控制方法

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US7765628B2 (en) 2006-06-09 2010-08-03 Whirlpool Corporation Steam washing machine operation method having a dual speed spin pre-wash
US7730568B2 (en) 2006-06-09 2010-06-08 Whirlpool Corporation Removal of scale and sludge in a steam generator of a fabric treatment appliance
US7941885B2 (en) 2006-06-09 2011-05-17 Whirlpool Corporation Steam washing machine operation method having dry spin pre-wash
US7841219B2 (en) 2006-08-15 2010-11-30 Whirlpool Corporation Fabric treating appliance utilizing steam
US7665332B2 (en) 2006-08-15 2010-02-23 Whirlpool Corporation Steam fabric treatment appliance with exhaust
US7886392B2 (en) 2006-08-15 2011-02-15 Whirlpool Corporation Method of sanitizing a fabric load with steam in a fabric treatment appliance
US7681418B2 (en) 2006-08-15 2010-03-23 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor
US7707859B2 (en) 2006-08-15 2010-05-04 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance
US7753009B2 (en) 2006-10-19 2010-07-13 Whirlpool Corporation Washer with bio prevention cycle
US8393183B2 (en) 2007-05-07 2013-03-12 Whirlpool Corporation Fabric treatment appliance control panel and associated steam operations
US8555675B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7905119B2 (en) 2007-08-31 2011-03-15 Whirlpool Corporation Fabric treatment appliance with steam generator having a variable thermal output
US7861343B2 (en) 2007-08-31 2011-01-04 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US8555676B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US8037565B2 (en) 2007-08-31 2011-10-18 Whirlpool Corporation Method for detecting abnormality in a fabric treatment appliance having a steam generator
US7966683B2 (en) 2007-08-31 2011-06-28 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US7690062B2 (en) 2007-08-31 2010-04-06 Whirlpool Corporation Method for cleaning a steam generator
US7918109B2 (en) 2007-08-31 2011-04-05 Whirlpool Corporation Fabric Treatment appliance with steam generator having a variable thermal output
KR101556150B1 (ko) * 2008-12-31 2015-09-30 엘지전자 주식회사 드럼세탁기
CN102597355B (zh) 2009-11-02 2016-07-06 Lg电子株式会社 在洗衣机中洗涤衣物的方法和洗衣机
US9723966B2 (en) 2015-05-28 2017-08-08 Bsh Home Appliances Corporation Home appliance with a water inlet system and method of operating home appliance
DE102018111904A1 (de) * 2018-05-17 2019-11-21 Miele & Cie. Kg Reinigungs- und/oder Desinfektionsautomat
DE102020214963A1 (de) * 2020-11-27 2022-06-02 BSH Hausgeräte GmbH Haushaltsgerät zum behandeln von behandlungsgut, umfassend einen wassertank
WO2023029193A1 (fr) * 2021-08-30 2023-03-09 无锡小天鹅电器有限公司 Dispositif de traitement de linge
DE102022209938A1 (de) 2022-09-21 2024-03-21 BSH Hausgeräte GmbH Haushaltsgerät zur Pflege von Wäschestücken mit einem Siphon in einer Spülleitung für ein Gebläse und Verfahren zum Betreiben des Haushaltsgeräts

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1166040A (en) * 1965-12-22 1969-10-01 Zanussi A Spa Industrie Liquid Pollution Preventing Devices
DE2417732B1 (de) * 1974-04-11 1975-07-31 Aweco, Apparate- Und Geraetebau, Gmbh & Co Kg, 7995 Neukirch Vorrichtung zum Verhindern des Zurückfliessens von Flüssigkeit aus einer Wasserverbrauchseinrichtung in das Wasserversorgungssystem
DE2430919A1 (de) * 1974-06-27 1976-01-08 Miele & Cie Rueckflussverhinderungseinrichtung fuer eine wasch- oder geschirrspuelmaschine
DE2710364A1 (de) * 1977-03-10 1978-09-14 Euro Hausgeraete Gmbh Rueckflussverhinderer fuer geschirrspueler u.dgl.
EP1462050A2 (fr) * 2003-03-27 2004-09-29 DIHR SpA Réservoir de sécurité pour un appareil de lavage tel qu'une machine à laver, lave-vaiselle ou similaire
EP1464750A1 (fr) 2003-03-31 2004-10-06 Lg Electronics Inc. Machine à laver à jet de vapeur
EP1544345A2 (fr) 2003-12-16 2005-06-22 Samsung Electronics Co., Ltd. Machine à laver
WO2006126803A2 (fr) * 2005-05-23 2006-11-30 Lg Electronics Inc. Lave-linge

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1166040A (en) * 1965-12-22 1969-10-01 Zanussi A Spa Industrie Liquid Pollution Preventing Devices
DE2417732B1 (de) * 1974-04-11 1975-07-31 Aweco, Apparate- Und Geraetebau, Gmbh & Co Kg, 7995 Neukirch Vorrichtung zum Verhindern des Zurückfliessens von Flüssigkeit aus einer Wasserverbrauchseinrichtung in das Wasserversorgungssystem
DE2430919A1 (de) * 1974-06-27 1976-01-08 Miele & Cie Rueckflussverhinderungseinrichtung fuer eine wasch- oder geschirrspuelmaschine
DE2710364A1 (de) * 1977-03-10 1978-09-14 Euro Hausgeraete Gmbh Rueckflussverhinderer fuer geschirrspueler u.dgl.
EP1462050A2 (fr) * 2003-03-27 2004-09-29 DIHR SpA Réservoir de sécurité pour un appareil de lavage tel qu'une machine à laver, lave-vaiselle ou similaire
EP1464750A1 (fr) 2003-03-31 2004-10-06 Lg Electronics Inc. Machine à laver à jet de vapeur
EP1544345A2 (fr) 2003-12-16 2005-06-22 Samsung Electronics Co., Ltd. Machine à laver
WO2006126803A2 (fr) * 2005-05-23 2006-11-30 Lg Electronics Inc. Lave-linge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105771289A (zh) * 2016-05-10 2016-07-20 深圳市瑞升华科技股份有限公司 用于蒸发浓缩的洗气装置
CN111663281A (zh) * 2019-03-05 2020-09-15 青岛海尔洗衣机有限公司 雾化发生器、衣物处理设备及其控制方法
CN111663281B (zh) * 2019-03-05 2023-11-03 天津海尔洗涤电器有限公司 雾化发生器、衣物处理设备及其控制方法
CN111648095A (zh) * 2020-07-15 2020-09-11 珠海格力电器股份有限公司 蒸汽发生装置、洗衣机以及排水方法
CN111648095B (zh) * 2020-07-15 2023-08-25 珠海格力电器股份有限公司 蒸汽发生装置、洗衣机以及排水方法

Also Published As

Publication number Publication date
ATE479791T1 (de) 2010-09-15
EP1992731B1 (fr) 2010-09-01
DE502008001234D1 (de) 2010-10-14
DE102007023020B3 (de) 2008-05-15
ES2349216T3 (es) 2010-12-29

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