EP2006436A2 - Machine de traitement du linge à chargement frontal dotée d'un dispositif de production de vapeur - Google Patents

Machine de traitement du linge à chargement frontal dotée d'un dispositif de production de vapeur Download PDF

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Publication number
EP2006436A2
EP2006436A2 EP20080010250 EP08010250A EP2006436A2 EP 2006436 A2 EP2006436 A2 EP 2006436A2 EP 20080010250 EP20080010250 EP 20080010250 EP 08010250 A EP08010250 A EP 08010250A EP 2006436 A2 EP2006436 A2 EP 2006436A2
Authority
EP
European Patent Office
Prior art keywords
opening
steam
water
steam generating
laundry treating
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
EP20080010250
Other languages
German (de)
English (en)
Other versions
EP2006436B1 (fr
EP2006436A3 (fr
Inventor
Michael Finke
Hartmut Linnemann
Robert Müther
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 EP2006436A2 publication Critical patent/EP2006436A2/fr
Publication of EP2006436A3 publication Critical patent/EP2006436A3/fr
Application granted granted Critical
Publication of EP2006436B1 publication Critical patent/EP2006436B1/fr
Active 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
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7358—By float controlled valve

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 substantially cylindrical container arranged in the housing for receiving the laundry to be treated with a substantially circular container opening, a nozzle for injecting water and a device for generating steam, comprising a tank, a radiator, an inlet opening and a common outlet opening for water and steam, which can be injected via a 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 is arranged in the upper region of the washing machine, in which a predetermined amount of water is admitted.
  • the liquid is heated with a radiator until it evaporates.
  • 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.
  • the steam exit is controlled via an outlet valve to provide sufficient vapor pressure within the steam generator.
  • the essential advantage of the laundry treating machine according to the invention is that the steam is generated predefined. For example, a uniform or jerky admission of steam into the treatment room and to the laundry to be treated can be provided. Furthermore, with the laundry treatment machine according to the invention, the time specifications for the steam injection must be maintained very precisely, so that an exact interaction with a running washing program or drying program is provided.
  • the water is conveyed to the inlet opening of the steam generating device by means of a pump.
  • a precise continuous water supply to the steam generator can be set, thereby evaporating substantially uniformly.
  • the pump can be used to generate targeted steam bursts, for example, for a short time to inject the steam at high pressure into the drum or the treatment room.
  • the pump has the additional advantage that the amount of water introduced into the steam generator is not dependent on the water pressure.
  • the delivery rate of the pump is advantageously controlled by the device control, which usually determines the course of the wash program or drying program.
  • the steam generating device in a washing machine with a arranged in the housing, swingably mounted tub with a horizontally or inclined arranged therein, rotatable drum and a substantially circular tub opening and a sealing sleeve, which is arranged for connection between the housing opening and the tub opening it is convenient to arrange the nozzle for rinsing water and spraying steam in the gasket.
  • a uniform and reliable steam treatment of the laundry from the filling opening is ensured, in particular when the nozzle is mounted in the upper region of the sealing ring or the filling opening of the drum.
  • the directions refer to the operational installation position of the laundry treatment machine.
  • the laundry treatment machine comprises at least one tank, in which the water can be stored, which can be conveyed via the pump to the inlet opening of the steam generating device. In this way a limited supply of water to be evaporated is kept available.
  • the steam generating device or at least the inner bottom is positioned at a gradient to the outlet opening. Water flowing through, which flows through the steam generating device during the sight glass flushing, is at least almost completely emptied therefrom. Lime or other deposits are thus avoided or washed away.
  • a check valve for the water to be conveyed to the steam generating device is arranged on the pump. This prevents the pressure generated during evaporation from escaping through the pump. This is particularly important when generating bursts of steam, since after the short-term water inlet after switching off the pump, a high pressure within the steam generating device arises.
  • the pump has a flow rate of 2 to 7 ml per sec. has, the nozzle has a cross section of 0.5 cm 2 to 1 cm 2 and the radiator has a maximum power of 1 KW.
  • a storage mass is further provided, advantageously an aluminum block of about 300 grams to 800 grams, which is heated by the radiator to a temperature of 120 to 200 ° C.
  • the container has a volume in the range between 300 ml to 1000 ml. With these dimensions, enough steam for a normal load of 3 to 6 kg can be generated at a low electric power.
  • a dip tube is introduced into the tank, which is guided via a connecting line, bypassing the pump to a further inlet opening of the steam generating device.
  • a connecting line bypassing the pump to a further inlet opening of the steam generating device.
  • an overflow is provided over the water flowing from the tank over the water through the steam generating device and then through the line to the nozzle and is admitted from there into the interior of the drum.
  • only the inlet valve is opened, causing the container to overflow.
  • Closing of the inlet valve leaves the amount of water to be stored in the tank, whereby a residual amount of water flows out of the tank up to the height of the nozzle.
  • a siphon is used, which is mounted between the upper region of the connecting line and the inlet line, whereby air can be supplied via the free flow path into the line and the steam generating device.
  • a floating ball is arranged in the siphon, which acts as a valve, whereby the siphon can be closed by the vapor pressure. This prevents unwanted escape of steam during steam generation via the ventilation.
  • Fig. 1 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 operating position of the laundry treatment machine 1.
  • a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the washing 8 located in the tub 2 and in the drum 3.
  • 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, which is needed 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 laundry treating 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.
  • the laundry treatment machine comprises a pump 21 which has a check valve 20 on its pressure side for the water 27 to be conveyed. The check valve prevents steam generated in the steam generating device 12 from flowing back out of the opening 18 via the pump 21.
  • a line 16 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 in the tub 2 and in the drum. 3 located laundry 8 is provided.
  • a controller 29 controls operations for performing a laundry treatment program or a washing program and performing steam generation, particularly, driving the inlet valve 15 of the heater body 26 and the pump 21.
  • the pump 21 receives the water to be delivered 27 from a tank 22 which is filled via the controllable inlet valve 15.
  • a free flow path 11a is arranged between the inlet valve 15 and the tank 22 or the inlet line 22a in the region of the induction box 11.
  • a dip tube 23 is also used, which provides via the line 28 a direct connection to a further inlet opening 24 of the steam generating device 12, bypassing the pump 21.
  • an overflow is provided over the water from the tank 22 overflowing water through the dip tube 23, through the connecting line 28 to the steam generating device 12 and then passed through the line 16 to the nozzle 17 and from there into the interior of the drum 3 , After closing the inlet valve 15, a portion of the water 27 runs out of the tank until it reaches the level of the nozzle 17.
  • the steam generating device 12 is arranged in an advantageous embodiment at a gradient to the outlet opening 19 so that it runs at least almost empty, so that a flushing takes place, whereby limescale and dirt deposits in the steam generating device 12 are prevented or at least reduced. So that the water safely and completely runs out of the steam generating device 12 and the connecting line 28, this connecting line 28 is additionally ventilated.
  • a siphon 29 is mounted in the upper region of the connecting line, which is connected to the inlet line 22a and via the free flow path 11a air can flow into the line 28 when the inflowing water is switched off or the inlet valve 15 is closed.
  • a floating ball 30 In the siphon 31 is a floating ball 30, which is pressed during the generation of steam by the resulting pressure against the upper inlet opening of the siphon 31 and thus prevents unwanted escape of the vapor through the siphon 31 and through the ventilation duct.
  • the steam outlet from the further inlet opening 24 is prevented by the dip tube, this arrangement acting like a further siphon, which allows the steam to flow back into the tank 22 when the pressure is too high.
  • a pressure relief valve is provided which prevents too high a pressure in the steam generating device 12.
  • a laundry treatment machine 1 instead of a washing machine and a dryer with a rotatable drum 3 can be used, which contains no tub 2 and no sealing sleeve between tub 2 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 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP08010250.2A 2007-06-19 2008-06-05 Machine de traitement du linge à chargement frontal dotée d'un dispositif de production de vapeur Active EP2006436B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710028617 DE102007028617B4 (de) 2007-06-19 2007-06-19 Frontbeschickbare Wäschebehandlungsmaschine mit Dampferzeugungseinrichtung

Publications (3)

Publication Number Publication Date
EP2006436A2 true EP2006436A2 (fr) 2008-12-24
EP2006436A3 EP2006436A3 (fr) 2010-12-22
EP2006436B1 EP2006436B1 (fr) 2016-08-10

Family

ID=39816602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010250.2A Active EP2006436B1 (fr) 2007-06-19 2008-06-05 Machine de traitement du linge à chargement frontal dotée d'un dispositif de production de vapeur

Country Status (3)

Country Link
US (1) US8904830B2 (fr)
EP (1) EP2006436B1 (fr)
DE (1) DE102007028617B4 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2264240A1 (fr) 2009-06-18 2010-12-22 Miele & Cie. KG Machine de traitement du linge à chargement frontal dotée d'un dispositif de production de vapeur
EP2602381A3 (fr) * 2011-12-07 2013-10-02 Samsung Electronics Co., Ltd Machine à laver à tambour et son procédé de lavage
CN103409960A (zh) * 2013-09-02 2013-11-27 浙江华元纺织品有限公司 一种面料水洗烘干一体机
FR3003274A1 (fr) * 2013-03-15 2014-09-19 Fagorbrandt Sas Machine a laver le linge comprenant un generateur de vapeur et procede associe
CN104975447A (zh) * 2015-06-25 2015-10-14 河南新野纺织股份有限公司 一种纺织物清洗烘干一体式处理装置
CN107604580A (zh) * 2017-11-10 2018-01-19 河南瑞美真发股份有限公司 一种蒸汽定型机
EP3418437A1 (fr) * 2017-06-23 2018-12-26 LG Electronics Inc. -1- Appareil de traitement de vêtements

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5306148B2 (ja) * 2009-10-30 2013-10-02 株式会社東芝 洗濯乾燥機
KR101631545B1 (ko) * 2009-12-02 2016-06-24 삼성전자 주식회사 드럼 및 이를 가지는 드럼세탁기
EP2604739B1 (fr) 2011-12-13 2015-04-08 Electrolux Home Products Corporation N.V. Machine à laver avec pompe de recirculation
DE102014116056A1 (de) 2014-11-04 2016-05-04 Miele & Cie. Kg Wasservorratsbehälter für eine Waschmaschine oder ein Waschtrockner

Citations (4)

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Publication number Priority date Publication date Assignee Title
EP1464751A1 (fr) 2003-03-31 2004-10-06 Lg Electronics Inc. Machine à laver à jet de vapeur
EP1659205A2 (fr) 2004-11-18 2006-05-24 Samsung Electronics Co., Ltd. Machine à laver
DE102005051721A1 (de) 2005-10-27 2007-05-03 Aweco Appliance Systems Gmbh & Co. Kg Haushaltsmaschine mit Heizelement als Dampferzeuger
EP1862575A1 (fr) 2006-06-01 2007-12-05 Electrolux Home Products Corporation N.V. Appareil ménager avec une unité à vapeur construite comme un module

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JPS60200030A (ja) * 1984-03-23 1985-10-09 Tokyo Gas Co Ltd 蒸気式暖房装置
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DE10332656A1 (de) * 2003-01-25 2004-07-29 Electrolux Home Products Corporation N.V. Verfahren zur Behandlung von Textilien in einem Haushaltswäschetrockner
US7584633B2 (en) * 2003-04-14 2009-09-08 Lg Electronics Inc. Spray type drum washing machine
JP2004321918A (ja) * 2003-04-24 2004-11-18 Noritz Corp 蒸気洗浄機
US7406842B2 (en) * 2003-08-13 2008-08-05 Lg Electronics Inc. Washing machine
US7600402B2 (en) * 2003-11-04 2009-10-13 Lg Electronics Inc. Washing apparatus and control method thereof
KR101235193B1 (ko) * 2005-06-13 2013-02-20 삼성전자주식회사 세탁기 및 그 제어방법
KR100662473B1 (ko) 2006-02-20 2007-01-02 엘지전자 주식회사 스팀발생장치를 이용한 건조기
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Patent Citations (4)

* Cited by examiner, † Cited by third party
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EP1464751A1 (fr) 2003-03-31 2004-10-06 Lg Electronics Inc. Machine à laver à jet de vapeur
EP1659205A2 (fr) 2004-11-18 2006-05-24 Samsung Electronics Co., Ltd. Machine à laver
DE102005051721A1 (de) 2005-10-27 2007-05-03 Aweco Appliance Systems Gmbh & Co. Kg Haushaltsmaschine mit Heizelement als Dampferzeuger
EP1862575A1 (fr) 2006-06-01 2007-12-05 Electrolux Home Products Corporation N.V. Appareil ménager avec une unité à vapeur construite comme un module

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2264240A1 (fr) 2009-06-18 2010-12-22 Miele & Cie. KG Machine de traitement du linge à chargement frontal dotée d'un dispositif de production de vapeur
EP2602381A3 (fr) * 2011-12-07 2013-10-02 Samsung Electronics Co., Ltd Machine à laver à tambour et son procédé de lavage
US9222210B2 (en) 2011-12-07 2015-12-29 Samsung Electronics Co., Ltd. Drum washing machine and washing method thereof
FR3003274A1 (fr) * 2013-03-15 2014-09-19 Fagorbrandt Sas Machine a laver le linge comprenant un generateur de vapeur et procede associe
EP2787111A1 (fr) * 2013-03-15 2014-10-08 FagorBrandt SAS Machine à laver le linge comprenant un générateur de vapeur et procédé associé
CN103409960A (zh) * 2013-09-02 2013-11-27 浙江华元纺织品有限公司 一种面料水洗烘干一体机
CN104975447A (zh) * 2015-06-25 2015-10-14 河南新野纺织股份有限公司 一种纺织物清洗烘干一体式处理装置
CN104975447B (zh) * 2015-06-25 2017-03-29 河南新野纺织股份有限公司 一种纺织物清洗烘干一体式处理装置
EP3418437A1 (fr) * 2017-06-23 2018-12-26 LG Electronics Inc. -1- Appareil de traitement de vêtements
CN109112808A (zh) * 2017-06-23 2019-01-01 Lg电子株式会社 衣物处理装置
US11035066B2 (en) 2017-06-23 2021-06-15 Lg Electronics Inc. Clothes treating apparatus
CN109112808B (zh) * 2017-06-23 2021-11-02 Lg电子株式会社 衣物处理装置
CN107604580A (zh) * 2017-11-10 2018-01-19 河南瑞美真发股份有限公司 一种蒸汽定型机
CN107604580B (zh) * 2017-11-10 2020-05-05 河南瑞美真发股份有限公司 一种蒸汽定型机

Also Published As

Publication number Publication date
EP2006436B1 (fr) 2016-08-10
US20080314092A1 (en) 2008-12-25
EP2006436A3 (fr) 2010-12-22
US8904830B2 (en) 2014-12-09
DE102007028617A1 (de) 2009-01-02
DE102007028617B4 (de) 2010-10-28

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