EP0340403A2 - Reinigungsvorrichtung für ein Umluftrohr, insbesondere für die Trocknungsteile der Wasch- und Trockenmaschinen - Google Patents

Reinigungsvorrichtung für ein Umluftrohr, insbesondere für die Trocknungsteile der Wasch- und Trockenmaschinen Download PDF

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Publication number
EP0340403A2
EP0340403A2 EP89103333A EP89103333A EP0340403A2 EP 0340403 A2 EP0340403 A2 EP 0340403A2 EP 89103333 A EP89103333 A EP 89103333A EP 89103333 A EP89103333 A EP 89103333A EP 0340403 A2 EP0340403 A2 EP 0340403A2
Authority
EP
European Patent Office
Prior art keywords
conduit
jet
cleaning
air
drying
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.)
Withdrawn
Application number
EP89103333A
Other languages
English (en)
French (fr)
Other versions
EP0340403A3 (de
Inventor
Antonio Dr. Merloni
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.)
A MERLONI SpA
Antonio Merloni SpA
Original Assignee
A MERLONI SpA
Antonio Merloni SpA
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 A MERLONI SpA, Antonio Merloni SpA filed Critical A MERLONI SpA
Publication of EP0340403A2 publication Critical patent/EP0340403A2/de
Publication of EP0340403A3 publication Critical patent/EP0340403A3/de
Withdrawn legal-status Critical Current

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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • 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 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the present invention relates to a cleaning device for an air circulating conduit, particularly for drying assemblies of washing and drying machines having a closed loop air circulation.
  • the washing and drying machines with closed loop air circulation are washing machines provided with an additional air circulation device that starts to operate at the end of the washing and centrifugation cycles, to dry the laundry completely.
  • a device in which: air enters the container drum, where the laundry is heated by a radiating element, eliminates humidity, goes through the drum's holes into the exhaust conduits and reaches a fan that forces back the air into the drum.
  • air is fanned into a resistance where it is heated and subsequently supplied to the drum containing the laundry to be dried.
  • the humid air goes through the drum's holes and is retrieved through a suction conduit kept cold and humid by a water jet that cooles the incoming air, which leaves the humidity.
  • a small amount of fuzz coming off the laundry is conveyed through the air conduits and, by repeated washing cycles, leaves deposits at the suction conduit inlet and up along the conduit itself.
  • the fan efficiency is lowered and so are the machine's characteristics; moreover, the fuzz deposits may even catch fire by being in contact with the electric resistance.
  • the aim of the present invention is to provide a cleaning device that keeps the air circulating conduit clean, during the whole life of the washing and drying machine, without the need of any periodical check by the user.
  • a scope of the invention is to provide a device that does not further complicates the machine and is therefore also economical.
  • a further scope of the invention is to provide a device which can be easily applied to known machines.
  • a cleaning device for an air circulating conduit particularly for drying assemblies of washing and drying machines, comprising a washing container containing laundry to be dried and connected to a supply conduit supplying heated dry air to dry said laundry and to an exhaust conduit for humid air, characterized in that a cleaning water jet is supplied in said exhaust conduit for cleaning said conduit.
  • a laundry washing and drying machine generally designated by the reference numeral 1, comprises a supporting frame 2 for a container 3 containing laundry to be washed and dried.
  • the drying and air circulation assembly of the machine 1 comprises an heated air supply conduit, which can be provided with an electric resistance to heat the air supplied to the container, in a per se known manner, not illustrated in the figure.
  • the machine further comprises a suction, or exhaust, conduit 4 connected to the container 3 and to an exhaust fan 5 adapted to suck the warm and humid air contained in the container 3.
  • suction conduit 4 is provided with a jet 6 cooling the exhausted air which thus leaves its humidity, in a per se known manner.
  • the suction conduit 4 further comprises a cleaning water jet 7, conveniently located between the cooling jet 6 and the exhaust fan 5, and adapted to clean the conduit 4 with a relatively large water flow.
  • the cleaning jet 7 should be relatively powerful, so its flow rate should be between 3 and 5 liter/minute.
  • the flow rate of the cooling jet 6 is instead preferably comprised between 0.5 and 0.7 liter/minute, enough to provide a thin water layer for cooling air and humidifying the conduit walls.
  • the cooling jet 6 operates for the entire drying time (for example 100/150 minutes), while the cleaning jet 7 intermittently operates with a larger flow rate and periodically cleans the entire suction conduit.
  • the cleaning device according to the invention achieves the intended aims and scopes, by providing a continuous cleaning of the suction conduit in the drying system of a washing machine, without the need of periodical checks by the user.
  • An important advantage of the invention is that of deriving the cleaning jet from the water supply circuit for the container, thus saving energy and water.
  • a further advantage of the invention is that the device is easily adaptable to the known drying assemblies of washing and drying machines.
  • the device according to the invention may have numerous modifications and variations, all within the inventive concept; furthermore, all the details may be substituted with technically equivalent elements.
  • the materials employed, as well as the dimensions, may be any according to the specific needs and the state of the art.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning In General (AREA)
EP89103333A 1988-05-04 1989-02-25 Reinigungsvorrichtung für ein Umluftrohr, insbesondere für die Trocknungsteile der Wasch- und Trockenmaschinen Withdrawn EP0340403A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2045288 1988-01-15
IT20452/88A IT1217490B (it) 1988-05-04 1988-05-04 Dispositivo di pulizia del condotto di circolazione aria,particolarmente per macchine lavatrici/asciugatrici per biancheria

Publications (2)

Publication Number Publication Date
EP0340403A2 true EP0340403A2 (de) 1989-11-08
EP0340403A3 EP0340403A3 (de) 1989-12-13

Family

ID=11167156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103333A Withdrawn EP0340403A3 (de) 1988-05-04 1989-02-25 Reinigungsvorrichtung für ein Umluftrohr, insbesondere für die Trocknungsteile der Wasch- und Trockenmaschinen

Country Status (2)

Country Link
EP (1) EP0340403A3 (de)
IT (1) IT1217490B (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485700A1 (de) * 1990-11-16 1992-05-20 ANTONIO MERLONI S.p.A. Kondensationsvorrichtung, insbesondere für Wasch- und Trocknermaschinen
FR2672312A1 (fr) * 1991-02-06 1992-08-07 Zanussi Elettrodomestici Procede pour le nettoyage du condenseur de sechage d'un seche-linge.
DE4132431A1 (de) * 1991-09-28 1993-04-01 Miele & Cie Waeschebehandlungsmaschine wie waeschetrockner oder waschtrockner
DE4303655A1 (de) * 1993-02-09 1994-08-11 Miele & Cie Programmgesteuerter Waschtrockner
EP0636732A1 (de) * 1993-07-27 1995-02-01 Bosch-Siemens HausgerÀ¤te GmbH Zum Trocknen eingerichtete Waschmaschine
WO2005090670A2 (en) * 2004-03-17 2005-09-29 Arcelik Anonim Sirketi A washer / dryer
EP1698722A1 (de) * 2005-03-04 2006-09-06 Samsung Electronics Co., Ltd. Waschmaschine und deren Verfahren zum Entfernen von Schaum
WO2013088316A3 (en) * 2011-12-13 2014-01-03 BSH Bosch und Siemens Hausgeräte GmbH Method for operating a washer dryer with a sensor placed between a tub and a heat exchanger, and related washer dryer
WO2014016158A1 (en) * 2012-07-27 2014-01-30 BSH Bosch und Siemens Hausgeräte GmbH Household appliance having a water supply assembly
WO2014177176A1 (en) * 2013-04-29 2014-11-06 Arcelik Anonim Sirketi Air-cooled condenser laundry treatment machine with lint collecting means
CN104674532A (zh) * 2013-11-26 2015-06-03 博西华电器（江苏）有限公司 衣物烘干设备和用于控制衣物烘干设备中冷凝器的方法
WO2017211794A1 (en) 2016-06-08 2017-12-14 Arcelik Anonim Sirketi A washer/dryer with improved drying performance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941389A (en) * 1955-03-28 1960-06-21 Whirlpool Co Laundry machine with condenser and flush system therefor
US3116984A (en) * 1961-04-19 1964-01-07 Maytag Co Lint extractor for washer-drier
US3292347A (en) * 1964-12-16 1966-12-20 Ametek Inc Dust and lint disposal apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941389A (en) * 1955-03-28 1960-06-21 Whirlpool Co Laundry machine with condenser and flush system therefor
US3116984A (en) * 1961-04-19 1964-01-07 Maytag Co Lint extractor for washer-drier
US3292347A (en) * 1964-12-16 1966-12-20 Ametek Inc Dust and lint disposal apparatus

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485700A1 (de) * 1990-11-16 1992-05-20 ANTONIO MERLONI S.p.A. Kondensationsvorrichtung, insbesondere für Wasch- und Trocknermaschinen
FR2672312A1 (fr) * 1991-02-06 1992-08-07 Zanussi Elettrodomestici Procede pour le nettoyage du condenseur de sechage d'un seche-linge.
GB2253034A (en) * 1991-02-06 1992-08-26 Zanussi Elettrodomestici Cleaning the condenser in a laundry washer/drier
GB2253034B (en) * 1991-02-06 1994-07-27 Zanussi Elettrodomestici Cleaning the drying condenser in a laundry drier
DE4132431A1 (de) * 1991-09-28 1993-04-01 Miele & Cie Waeschebehandlungsmaschine wie waeschetrockner oder waschtrockner
DE4303655A1 (de) * 1993-02-09 1994-08-11 Miele & Cie Programmgesteuerter Waschtrockner
EP0636732A1 (de) * 1993-07-27 1995-02-01 Bosch-Siemens HausgerÀ¤te GmbH Zum Trocknen eingerichtete Waschmaschine
WO2005090670A2 (en) * 2004-03-17 2005-09-29 Arcelik Anonim Sirketi A washer / dryer
WO2005090670A3 (en) * 2004-03-17 2006-03-02 Arcelik As A washer / dryer
EP1698722A1 (de) * 2005-03-04 2006-09-06 Samsung Electronics Co., Ltd. Waschmaschine und deren Verfahren zum Entfernen von Schaum
WO2013088316A3 (en) * 2011-12-13 2014-01-03 BSH Bosch und Siemens Hausgeräte GmbH Method for operating a washer dryer with a sensor placed between a tub and a heat exchanger, and related washer dryer
WO2014016158A1 (en) * 2012-07-27 2014-01-30 BSH Bosch und Siemens Hausgeräte GmbH Household appliance having a water supply assembly
CN103572569A (zh) * 2012-07-27 2014-02-12 博西华电器（江苏）有限公司 具有供水组件的家用电器
RU2600562C2 (ru) * 2012-07-27 2016-10-20 Бсх Хаусгерете Гмбх Бытовой прибор, содержащий узел подачи воды
CN103572569B (zh) * 2012-07-27 2017-02-15 博西华电器（江苏）有限公司 具有供水组件的家用电器
CN104703529B (zh) * 2012-07-27 2017-05-24 博西华电器（江苏）有限公司 具有供水组件的家用器具
WO2014177176A1 (en) * 2013-04-29 2014-11-06 Arcelik Anonim Sirketi Air-cooled condenser laundry treatment machine with lint collecting means
CN104674532A (zh) * 2013-11-26 2015-06-03 博西华电器（江苏）有限公司 衣物烘干设备和用于控制衣物烘干设备中冷凝器的方法
EP2883997A1 (de) * 2013-11-26 2015-06-17 BSH Hausgeräte GmbH Wäschetrocknungsvorrichtung und Verfahren zur Steuerung des Kondensators in der Wäschetrocknungsvorrichtung
WO2017211794A1 (en) 2016-06-08 2017-12-14 Arcelik Anonim Sirketi A washer/dryer with improved drying performance

Also Published As

Publication number Publication date
IT8820452A0 (it) 1988-05-04
EP0340403A3 (de) 1989-12-13
IT1217490B (it) 1990-03-22

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