EP1887127A1 - Wäschebehandlungsmaschine - Google Patents

Wäschebehandlungsmaschine Download PDF

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Publication number
EP1887127A1
EP1887127A1 EP06118596A EP06118596A EP1887127A1 EP 1887127 A1 EP1887127 A1 EP 1887127A1 EP 06118596 A EP06118596 A EP 06118596A EP 06118596 A EP06118596 A EP 06118596A EP 1887127 A1 EP1887127 A1 EP 1887127A1
Authority
EP
European Patent Office
Prior art keywords
laundry
laundry treating
condensate
tank
tanks
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
EP06118596A
Other languages
English (en)
French (fr)
Other versions
EP1887127B1 (de
Inventor
Luciano Sartor
Sergio Pillot
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to PL06118596T priority Critical patent/PL1887127T3/pl
Priority to EP06118596.3A priority patent/EP1887127B1/de
Priority to RU2007130262/12A priority patent/RU2439229C2/ru
Publication of EP1887127A1 publication Critical patent/EP1887127A1/de
Application granted granted Critical
Publication of EP1887127B1 publication Critical patent/EP1887127B1/de
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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/203—Laundry conditioning 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the present invention refers to a laundry treating machine, such as a dryer or a washer/dryer machine, suitable for applying a steam treatment to laundry.
  • Laundry treating machines having means for applying a steam treatment to laundry are known and are normally provided with a rotating drum having an inner region for receiving laundry to be treated, with means for conveying air from and to the drum and with a condenser for removing moisture from air coming out from the drum after having treated the laundry.
  • a steam generator is further provided for evaporating an amount of water, or other laundry treating substances, and directing the steam so produced inside the drum inner region. Such treatment can be useful for removing odours from laundry or for relaxing and remove wrinkles from clothes.
  • the steam generator is supplied with treating liquors by a single tank that can be filled manually by a user and/or, automatically by the machine itself collecting condensate obtained in a condenser that removes moisture from air coming out from the drum.
  • One of these machines is disclosed in the European Patent Application No. EP 1579052 .
  • a drawback of the known laundry treating machines consists in that a steam treatment can be performed only whether a sufficient amount of treating liquor is available in the tank supplying the steam generator. Therefore the user has to remember to refill manually such tank before starting the appropriate steam treating program or, if the machine can refill the tank automatically with condensate, the user has to perform first a laundry drying program in order to allow the condenser to produce liquor to be evaporated. This is particularly annoying and time-consuming for a user who would rather have a machine suitable for promptly performing a laundry steam treatment.
  • a further drawback of known laundry treating machines consists in that a complex machine control program must be provided controlling the liquor level in the single tank available because the latter can be refilled both periodically by the user both automatically by the machine.
  • the control program must be suitable for informing the user whether and with which amount of liquor he/she has to refill the tank when a predetermined amount of liquor is already present in the tank because of previous steam treating or laundry drying operations.
  • a drying program might not be performed unless the control program advises the user to empty the tank if the liquor level in the latter is too high.
  • Such control programs can be the cause of frequent and undesired malfunctioning of the laundry treating machine.
  • the aim of the present invention is therefore to solve the noted problems and thus providing a laundry treating machine having an improved reliability with respect to known machines.
  • Another object of the present invention is to provide a laundry treating machine allowing the user to perform a steam treating operation without performing a laundry drying operation first.
  • a further object of the invention is to provide a laundry treating machine providing an efficient recovery of condensate extracted from laundry in order to use it for steam treating clothes.
  • Figure 1 shows a perspective view of a laundry treatment machine according to the invention with a disassembled cabinet
  • Figure 2 shows a rear perspective view of the laundry treating machine of figure 1 without the cabinet
  • Figure 3 shows, in a perspective view, a particular of the secondary tank.
  • a laundry treating machine such as a laundry dryer or a laundry washer/dryer, comprises a drum 1 rotatably mounted inside a cabinet 2 which is shown in an exploded view in figure 1.
  • the drum 1 has an inner region 3 adapted to receive articles to be treated through a loading opening 4 formed in the front portion of the drum 1.
  • a condenser 9 Arranged at a base region 5 of the machine a condenser 9 is provided for cyclically drying laundry treating air that enters the inner drum region 3 through openings 11 formed on a rear portion 8 of the drum 1 (see figure 2) and exiting the latter from a conveyer 7 placed on the loading opening 4.
  • Condenser 9 is cooled by an airflow that enters the machine from an inlet opening 10 on the machine back side (see figure 2) and that is exhausted through an outlet opening 6 at the front side of the laundry treating machine.
  • the condenser cooling airflow and the laundry treating air are pumped by fans not shown in the drawings, in addition treating air is heated before entering the drum 1 in a known manner.
  • Liquor extracted by the condenser 9 from moist air exiting the drum inner region 3 is collected in a tray 12.
  • a pump 13 and a pipe 17 convey the condensate from the tray 12 to a principal tank 14, which is removably associated to the machine and preferably placed in an upper region of the cabinet 2, so as to be easily extracted by a user.
  • a secondary tank 16 is provided to be in fluid communication with the condensate collecting tray 12 by means of the pipe 17.
  • Valving means 18 control the condensate flow towards the principal tank 14 and the secondary tank 16.
  • Said valving means 18 can be in the form of a solenoid valve driven by the laundry treating machine electronics according to a preset operative program or in the form of a manually operable valve. The latter embodiment, as shown in the attached figures, is preferably carried out by placing valving means 18 in the machine front panel such that a user can easily reach it.
  • Pipe 17 branches in a plurality of conduits 19, 20 each of them reaching one of the tanks 14, 16.
  • As a further multiple-way conduit solution for conveying condensate towards the tanks 14, 16 a plurality of pipes, each dedicated to a single tank, can be provided between the condensate tray 12 and the tanks 14, 16.
  • Secondary tank 16 is also hydraulically connected with a pipe 23 to an inlet opening of a steam generator 22 of known type, such that liquor contained in the tank 16 can be evaporated. Steam produced by the generator 22 flows through a pipe 24 into the inner drum region 3 for treating laundry.
  • valving means 18 When valving means 18 are in an open position, condensate liquor available in the tray 12 during or after a laundry drying operation is pumped by the pump 13 in the pipe 17 and divided between the principal tank 14 and the secondary tank 16. In this way a portion of the total amount of liquid extracted from laundry is saved in the secondary tank 16 and made available to be reused for a subsequent steam treatment.
  • valving means 18 When valving means 18 are in a closed position all the amount of condensate liquor pumped from the tray 12 is flowed into the principal tank 14 though a opening 25 that is placed at the pipe 19 outlet when the machine is in use. Said opening 25 serves also as overflow opening allowing the condensate to be discharged when the tank is full.
  • Discharged liquor is collect by a hopper 15 on which the principal tank 14 is mounted.
  • the hopper 15 is in fluid connection with the condensate collecting tray 12 by means of a discharge pipe 26 which is shown only in part in figure 2.
  • a discharge pipe 26 which is shown only in part in figure 2.
  • condensate liquor can be recirculated from and to the tray 12 and the tank 14 in a closed hydraulic loop until its amount causes the laundry treating machine to be switched off by an appropriate and known safety system to avoid undesired and dangerous flooding.
  • Such safety system preferably comprises a floating member placed in the condensate collecting tray 12 and a switch that is activated by the floating member for turning off the laundry machine when the liquor level in tray 12 reaches a preset value.
  • an overflow opening 27 is provided also in the secondary tank 16 such that when the tank 16 is almost full of liquor, the latter can be discharged into the hopper 15 on which the tank 16 is mounted. Therefore, as described above for liquor discharged from the principal tank 14, also the amount of liquor exceeding the capacity of the secondary tank 16 can be recirculated in a closed hydraulic loop between the condensate collecting tray 12 and the secondary tank 16 by means of pump 13.
  • valving means 18 are in an open position, condensate liquor discharged from principal and/or secondary tanks 14, 16 is recirculated from/to collecting tray 12 and both tanks 14, 16. This is particularly advantageous for retarding the moment in which the laundry machine is switched off automatically by the above described safety system preventing the machine from being flooded by an excessive amount of condensate liquor.
  • the laundry machine maximum capacity of collecting liquor substantially given by the inner volume of tanks 14, 16 and by the volume of collecting tray 12
  • Secondary tank 16 is also provided with a filler 21, placed at the machine front, allowing the user to fill the tank 16 manually.
  • a filler 21 placed at the machine front, allowing the user to fill the tank 16 manually.
  • Such substances can be, for example, scent imparting chemicals, conditioning or laundry relaxing compositions.
  • a user can perform a steam treatment without performing each time a laundry drying cycle so as to produce a sufficient amount of condensate to be evaporated during the steam treatment.
  • tank refilling operations by the user are greatly reduced because liquor extracted from laundry can be efficiently used for steaming laundry articles.
  • the present machine allows the user to introduce additives, perfumes and other useful treating substances in order to improve laundry steam treatment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP06118596.3A 2006-08-08 2006-08-08 Wäschebehandlungsmaschine Not-in-force EP1887127B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL06118596T PL1887127T3 (pl) 2006-08-08 2006-08-08 Maszyna do obróbki materiałów pranych
EP06118596.3A EP1887127B1 (de) 2006-08-08 2006-08-08 Wäschebehandlungsmaschine
RU2007130262/12A RU2439229C2 (ru) 2006-08-08 2007-08-07 Устройство для обработки белья паром

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06118596.3A EP1887127B1 (de) 2006-08-08 2006-08-08 Wäschebehandlungsmaschine

Publications (2)

Publication Number Publication Date
EP1887127A1 true EP1887127A1 (de) 2008-02-13
EP1887127B1 EP1887127B1 (de) 2016-10-26

Family

ID=37622145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06118596.3A Not-in-force EP1887127B1 (de) 2006-08-08 2006-08-08 Wäschebehandlungsmaschine

Country Status (3)

Country Link
EP (1) EP1887127B1 (de)
PL (1) PL1887127T3 (de)
RU (1) RU2439229C2 (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008138526A1 (en) * 2007-05-11 2008-11-20 Electrolux Home Products Corporation N.V. Improved laundry dryer with refreshment operation
EP2055824A1 (de) * 2007-11-02 2009-05-06 Lg Electronics Inc. Trockner
CN101424037B (zh) * 2007-11-02 2011-06-08 Lg电子株式会社 干衣机
US20110154675A1 (en) * 2008-08-29 2011-06-30 Electrolux Home Products Corporation N.V. Home Laundry Drier
US8336227B2 (en) 2008-09-26 2012-12-25 Lg Electronics Inc. Laundry dryer having fragrance storage and supply assembly
ITTO20110812A1 (it) * 2011-09-12 2013-03-13 Indesit Co Spa Macchina asciugatrice o lavasciugatrice comprendente mezzi per il trattamento dei panni mediante l'impiego di acqua di condensa vaporizzata
EP2568075A1 (de) * 2011-09-12 2013-03-13 Indesit Company S.p.A. Trockner oder Wasch-Trockner mit einer Vorrichtung zum Behandeln von Wäsche mit verdampftem Kondenswasser
EP2610399A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Wäschetrockner-Haushaltsgerät mit Flüssigkeitsbehälter
EP2610397A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Wäschetrockner-Haushaltsgerät mit Flüssigkeitsbehälter mit Fülleinlass
EP2610393A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Wäschetrockner-Haushaltsgerät mit Dampfdüseneinheit
US20140144035A1 (en) * 2010-11-29 2014-05-29 Electrolux Home Products Corporation N.V. Laundry dryer
EP2778277A3 (de) * 2013-03-13 2014-11-05 Miele & Cie. KG Gehäuse für Haushaltsgeräte, wie beispielsweise einen Wäschetrockner, eine Waschmaschine oder dergleichen
EP2778278A3 (de) * 2013-03-13 2014-11-19 Miele & Cie. KG Gehäuse für Haushaltsgeräte wie beispielsweise einen Wäschetrockner, eine Waschmaschine, oder dergleichen
EP2821540A1 (de) 2013-07-03 2015-01-07 Electrolux Appliances Aktiebolag Haushaltsgerät zur Wäschetrocknung mit einer Dampfdüseneinheit
EP2826909A1 (de) 2013-07-19 2015-01-21 Electrolux Appliances Aktiebolag Verfahren zum Betreiben einer Dampferzeugungseinheit in einem Wäschetrockner und eines Wäschetrockners
EP3868943A1 (de) 2020-02-20 2021-08-25 LG Electronics Inc. Wäschebehandlungsvorrichtung und verfahren zur steuerung davon

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8936330B2 (en) 2010-12-23 2015-01-20 Lg Electronics Inc. Laundry treating apparatus
US8820861B2 (en) * 2010-12-23 2014-09-02 Lg Electronics Inc. Laundry treating apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2010680A1 (de) * 1970-03-03 1971-09-16 Siemens Elektrogeraete Gmbh Waschmaschine
DE10260151A1 (de) * 2002-12-20 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrockner und Verfahren zur Geruchsentfernung aus Textilien
EP1441060A1 (de) * 2003-01-25 2004-07-28 Electrolux Home Products Corporation N.V. Wäschetrockner mit einer Einrichtung zum Einsprühen von Zusätzen und Verfahren hierfür
EP1564325A1 (de) * 2004-02-10 2005-08-17 Electrolux Home Products Corporation N.V. Verbesserter Wäschetrockner mit Fähigkeit zum Glätten von Wäsche
US20060130354A1 (en) * 2004-11-10 2006-06-22 Choi Soung B Combination dryer and method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2010680A1 (de) * 1970-03-03 1971-09-16 Siemens Elektrogeraete Gmbh Waschmaschine
DE10260151A1 (de) * 2002-12-20 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrockner und Verfahren zur Geruchsentfernung aus Textilien
EP1441060A1 (de) * 2003-01-25 2004-07-28 Electrolux Home Products Corporation N.V. Wäschetrockner mit einer Einrichtung zum Einsprühen von Zusätzen und Verfahren hierfür
EP1564325A1 (de) * 2004-02-10 2005-08-17 Electrolux Home Products Corporation N.V. Verbesserter Wäschetrockner mit Fähigkeit zum Glätten von Wäsche
US20060130354A1 (en) * 2004-11-10 2006-06-22 Choi Soung B Combination dryer and method thereof

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008138526A1 (en) * 2007-05-11 2008-11-20 Electrolux Home Products Corporation N.V. Improved laundry dryer with refreshment operation
EP2055824A1 (de) * 2007-11-02 2009-05-06 Lg Electronics Inc. Trockner
CN101424037B (zh) * 2007-11-02 2011-06-08 Lg电子株式会社 干衣机
US8695232B2 (en) 2007-11-02 2014-04-15 Lg Electronics Inc. Dryer
US8631585B2 (en) * 2008-08-29 2014-01-21 Electrolux Home Products Corporation N.V. Home laundry drier
US20110154675A1 (en) * 2008-08-29 2011-06-30 Electrolux Home Products Corporation N.V. Home Laundry Drier
US8336227B2 (en) 2008-09-26 2012-12-25 Lg Electronics Inc. Laundry dryer having fragrance storage and supply assembly
DE102009042902B4 (de) * 2008-09-26 2014-11-13 Lg Electronics Inc. Wäschetrockner mit Duftstoff-Speicher- und Zuführungsanordnung
US9273903B2 (en) * 2010-11-29 2016-03-01 Electrolux Home Products Corporation N.V. Laundry dryer
US20140144035A1 (en) * 2010-11-29 2014-05-29 Electrolux Home Products Corporation N.V. Laundry dryer
ITTO20110812A1 (it) * 2011-09-12 2013-03-13 Indesit Co Spa Macchina asciugatrice o lavasciugatrice comprendente mezzi per il trattamento dei panni mediante l'impiego di acqua di condensa vaporizzata
EP2568075A1 (de) * 2011-09-12 2013-03-13 Indesit Company S.p.A. Trockner oder Wasch-Trockner mit einer Vorrichtung zum Behandeln von Wäsche mit verdampftem Kondenswasser
EP2610394A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Haushaltsgerät zur Wäschetrocknung mit einer Dampfdüseneinheit
EP2610393A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Wäschetrockner-Haushaltsgerät mit Dampfdüseneinheit
EP2610397A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Wäschetrockner-Haushaltsgerät mit Flüssigkeitsbehälter mit Fülleinlass
EP2610399A1 (de) 2011-12-28 2013-07-03 Electrolux Home Products Corporation N.V. Wäschetrockner-Haushaltsgerät mit Flüssigkeitsbehälter
EP2778277A3 (de) * 2013-03-13 2014-11-05 Miele & Cie. KG Gehäuse für Haushaltsgeräte, wie beispielsweise einen Wäschetrockner, eine Waschmaschine oder dergleichen
EP2778278A3 (de) * 2013-03-13 2014-11-19 Miele & Cie. KG Gehäuse für Haushaltsgeräte wie beispielsweise einen Wäschetrockner, eine Waschmaschine, oder dergleichen
EP2821540A1 (de) 2013-07-03 2015-01-07 Electrolux Appliances Aktiebolag Haushaltsgerät zur Wäschetrocknung mit einer Dampfdüseneinheit
EP2826909A1 (de) 2013-07-19 2015-01-21 Electrolux Appliances Aktiebolag Verfahren zum Betreiben einer Dampferzeugungseinheit in einem Wäschetrockner und eines Wäschetrockners
EP3868943A1 (de) 2020-02-20 2021-08-25 LG Electronics Inc. Wäschebehandlungsvorrichtung und verfahren zur steuerung davon
EP4245906A2 (de) 2020-02-20 2023-09-20 LG Electronics Inc. Wäschebehandlungsvorrichtung und verfahren zur steuerung davon

Also Published As

Publication number Publication date
RU2439229C2 (ru) 2012-01-10
PL1887127T3 (pl) 2017-03-31
EP1887127B1 (de) 2016-10-26
RU2007130262A (ru) 2009-02-20

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