DE4304372A1 - Drying appliance, especially condensation-type laundry dryer, with a heat pump - Google Patents

Drying appliance, especially condensation-type laundry dryer, with a heat pump

Info

Publication number
DE4304372A1
DE4304372A1 DE4304372A DE4304372A DE4304372A1 DE 4304372 A1 DE4304372 A1 DE 4304372A1 DE 4304372 A DE4304372 A DE 4304372A DE 4304372 A DE4304372 A DE 4304372A DE 4304372 A1 DE4304372 A1 DE 4304372A1
Authority
DE
Germany
Prior art keywords
heat pump
air
evaporator
filter unit
laundry dryer
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.)
Ceased
Application number
DE4304372A
Other languages
German (de)
Inventor
Klaus Joerdens
Wolfhard Jording
Andreas Kratzsch
Gerhard Rodefeld
Hans-Christian Schroeder
Dieter Strasinsky
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
Priority to DE4304372A priority Critical patent/DE4304372A1/en
Publication of DE4304372A1 publication Critical patent/DE4304372A1/en
Ceased legal-status Critical Current

Links

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 
    • D06F58/206—Heat pump 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 
    • D06F58/22—Lint collecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

The invention relates to a drying appliance, especially a condensation-type laundry dryer, with a heat pump and with an air circuit, in which the airstream for heating is guided via the condenser of the heat pump and subsequently into an air inlet of a drying chamber containing the material to be dried, and in which the airstream for cooling is guided out of an air outlet of the drying chamber at least partially via a heat exchanger containing the evaporator of the heat pump. In order to provide a condensation-type laundry dryer, in which a soiling of the evaporator in the heat exchanger is avoided, it possesses a first filter unit arranged in the region of the air outlet and a second filter unit arranged upstream of the evaporator.

Description

Die Erfindung betrifft ein Trockengerät, insbesondere einen Kondensationswäsche­ trockner, mit einer Wärmepumpe, mit einem Luftkreislauf, bei welchem der Luft­ strom zur Erwärmung über den Verflüssiger der Wärmepumpe und anschließend in einen Lufteinlaß einer das Trockengut enthaltenden Trockenkammer geleitet wird, und bei dem der Luftstrom zur Abkühlung aus einem Luftauslaß der Trockenkam­ mer zumindestens teilweise über einen den Verdampfer der Wärmepumpe enthal­ tenden Wärmetauscher geleitet wird.The invention relates to a drying device, in particular a condensation wash dryer, with a heat pump, with an air circuit in which the air electricity for heating via the condenser of the heat pump and then in an air inlet of a drying chamber containing the dry material is passed, and in which the air flow for cooling came from an air outlet to dry mer at least partially contain the evaporator of the heat pump tendency heat exchanger is conducted.

Ein solches Trockengerät ist aus der DE-OS 31 13 471 bekannt. Die in diesen Ge­ räten verwendeten Verdampfer der Wärmepumpe sind verschmutzungsempfindlich, weil sich teilweise kleinste Abriebpartikel und Waschmittelrückstände aus der Wäsche, dem Wasser usw. bevorzugt in den Prozeßluftpassagen des Wärmetauschers absetzten.Such a drying device is known from DE-OS 31 13 471. The in these Ge are used evaporators of the heat pump sensitive to dirt, because there are sometimes very small abrasion particles and Detergent residues from laundry, water, etc. preferably in the Separate process air passages of the heat exchanger.

Es ist weiterhin bekannt, bei Kondensationswäschetrocknern zur Filterung von Flu­ sen aus dem Luftstrom im Bereich der Tür einen Flusenfilter einzusetzen, welcher nach dem Trocknungsprozeß vom Benutzer herausgenommen werden und gereinigt werden kann. Die Reinigungswirkung dieser Filter ist jedoch für Trockner­ ausführungen mit Wärmepumpen nicht ausreichend.It is also known in condensation tumble dryers to filter flu a lint filter from the air flow in the area of the door be removed and cleaned by the user after the drying process can be. However, the cleaning effect of these filters is for dryers versions with heat pumps not sufficient.

Der Erfindung liegt somit das Problem zugrunde, einen Kondensationswäsche­ trockner zu schaffen, bei dem eine Verschmutzung des Verdampfers im Wärme­ tauscher vermieden wird.The invention is therefore based on the problem of a condensation wash to create a dryer in which the evaporator is contaminated in the heat exchanger is avoided.

Erfindungsgemäß wird dieses Problem mit den Merkmalen des Anspruchs 1 ge­ löst. Vorteilhafte Ausgestaltungen ergeben sich aus weiteren Unteransprüchen.According to the invention this problem with the features of claim 1 ge solves. Advantageous refinements result from further subclaims.

Ein Ausführungsbeispiel der Erfindung ist in einer Zeichnung rein schematisch dar­ gestellt und wird anhand der nachfolgenden Beschreibung näher erläutert. An embodiment of the invention is shown purely schematically in a drawing and is explained in more detail with the aid of the following description.  

Die Figur zeigt einen Kondensationswäschetrockner (1) mit einer drehbar gelagerten Trommel (2) zur Aufnahme von Wäsche. In die Trommel (2) wird im hinteren Bereich ein erwärmter Luftstrom über einen Lufteinlaß (3) eingeleitet und über die zu trocknende Wäsche geführt. Dieser Luftstrom nimmt die Feuchtigkeit aus der Wäsche auf und wird im vorderen Bereich der Trommel (2) durch einen Luftauslaß (4) abgeleitet.The figure shows a condensation dryer ( 1 ) with a rotatably mounted drum ( 2 ) for receiving laundry. A heated air flow is introduced into the drum ( 2 ) in the rear region via an air inlet ( 3 ) and is passed over the laundry to be dried. This air flow absorbs the moisture from the laundry and is discharged through an air outlet ( 4 ) in the front area of the drum ( 2 ).

Unterhalb der Trommel (2) ist eine Wärmepumpeneinheit angeordnet, die aus einem Verdampfer (5), einem Verflüssiger (6) und einem Kältemittelkompressor (7) besteht. Dabei fungiert der Verdampfer (5) der Wärmepumpe als Wärmetauscher, in welchem die Prozeßluft abgekühlt und auf diese Weise durch Kondensation entfeuchtet wird. Anschließend wird die abgekühlte Luft am Verflüssiger (6) der Wärmepumpe erneut erhitzt. Ein dem Verflüssiger (6) nachgeordnetes Prozeßluftgebläse (8) sorgt für eine Zirkulation der Trocknungsluft.A heat pump unit is arranged below the drum ( 2 ) and consists of an evaporator ( 5 ), a condenser ( 6 ) and a refrigerant compressor ( 7 ). The evaporator ( 5 ) of the heat pump acts as a heat exchanger, in which the process air is cooled and in this way is dehumidified by condensation. The cooled air is then heated again at the condenser ( 6 ) of the heat pump. A process air blower ( 8 ) arranged downstream of the condenser ( 6 ) ensures circulation of the drying air.

Die aus der Trommel (2) abgeleitete Luft wird über einen ersten Filter (9) vorgereinigt, welcher leicht herausnehmbar im Türbereich angeordnet ist und nach jedem Trocknungsprozeß gesäubert wird. Danach wird die Prozeßluft über einen zweiten, vor dem Verdampfer (5) angeordneten Filter geführt, welcher zur Feinfilterung dient. Dieser Filter ist als Filtereinheit ausgeführt, bestehend aus einem Vorfilter (10) und einem Hauptfilter (11), beispielsweise aus plessierter Mikroglasfaser.The air discharged from the drum ( 2 ) is pre-cleaned by means of a first filter ( 9 ) which is arranged in the door area in an easily removable manner and is cleaned after each drying process. The process air is then passed through a second filter arranged in front of the evaporator ( 5 ), which serves for fine filtering. This filter is designed as a filter unit, consisting of a pre-filter ( 10 ) and a main filter ( 11 ), for example made of pleated micro-glass fiber.

Claims (3)

1. Trockengerät, insbesondere Kondensationswäschetrockner, mit einer Wärme­ pumpe, mit einem Luftkreislauf, bei welchem der Luftstrom zur Erwärmung über den Verflüssiger der Wärmepumpe und anschließend in einen Lufteinlaß einer das Trockengut enthaltenden Trockenkammer geleitet wird, und bei dem der Luft­ strom zur Abkühlung aus einem Luftauslaß der Trockenkammer zumindestens teilweise über einen den Verdampfer der Wärmepumpe enthaltenden Wärmetau­ scher geleitet wird, gekennzeichnet durch eine erste im Bereich des Luftauslasses angeordnete Fil­ tereinheit und eine zweite, vor dem Verdampfer (5) angeordnete Filtereinheit.1. Drying machine, in particular condensation dryer, with a heat pump, with an air circuit in which the air flow for heating via the condenser of the heat pump and then passed into an air inlet of a drying chamber containing the dry material, and in which the air stream for cooling from a Air outlet of the drying chamber is at least partially passed over a heat exchanger containing the evaporator of the heat pump, characterized by a first filter unit arranged in the area of the air outlet and a second filter unit arranged in front of the evaporator ( 5 ). 2. Trockengerät, insbesondere Kondensationswäschetrockner, nach Anspruch 1, dadurch gekennzeichnet, daß die zweite Filtereinheit aus einem Vorfilter (10) und einem Hauptfilter (11) besteht.2. Drying machine, in particular condensation dryer, according to claim 1, characterized in that the second filter unit consists of a prefilter ( 10 ) and a main filter ( 11 ). 3. Trockengerät, insbesondere Kondensationswäschetrockner, nach Anspruch 2, dadurch gekennzeichnet, daß als Hauptfilter (11) der zweiten Filtereinheit ein plessierter Mikroglasfilter verwendet wird.3. Drying machine, in particular condensation dryer, according to claim 2, characterized in that a pleated micro glass filter is used as the main filter ( 11 ) of the second filter unit.
DE4304372A 1993-02-13 1993-02-13 Drying appliance, especially condensation-type laundry dryer, with a heat pump Ceased DE4304372A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4304372A DE4304372A1 (en) 1993-02-13 1993-02-13 Drying appliance, especially condensation-type laundry dryer, with a heat pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4304372A DE4304372A1 (en) 1993-02-13 1993-02-13 Drying appliance, especially condensation-type laundry dryer, with a heat pump

Publications (1)

Publication Number Publication Date
DE4304372A1 true DE4304372A1 (en) 1994-08-18

Family

ID=6480390

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4304372A Ceased DE4304372A1 (en) 1993-02-13 1993-02-13 Drying appliance, especially condensation-type laundry dryer, with a heat pump

Country Status (1)

Country Link
DE (1) DE4304372A1 (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1405946A2 (en) * 2002-10-01 2004-04-07 Sanyo Electric Co. Ltd Drier with refrigerant circuit
EP1411163A3 (en) * 2002-10-16 2005-11-30 Matsushita Electric Industrial Co., Ltd. Washing and drying machine
WO2008110451A1 (en) * 2007-03-13 2008-09-18 BSH Bosch und Siemens Hausgeräte GmbH Tumble dryer having improved lint removal and method for the operation thereof
EP2050862A1 (en) * 2007-10-18 2009-04-22 BSH Bosch und Siemens Hausgeräte GmbH Fibre material filtering device and household device with such a fibre material filtering device
EP2383384A1 (en) * 2004-12-06 2011-11-02 LG Electronics Clothes dryer
US8056254B2 (en) 2005-07-29 2011-11-15 Bsh Bosch Und Siemens Hausgeraete Gmbh Tumble dryer with a lint filter
EP2549008A1 (en) * 2011-07-22 2013-01-23 Electrolux Home Products Corporation N.V. Basement arrangement in heat pump laundry treatment apparatus
EP2581489A1 (en) * 2011-10-12 2013-04-17 Electrolux Home Products Corporation N.V. A heat pump laundry dryer with air stream filters
WO2014086831A1 (en) 2012-12-04 2014-06-12 Arcelik Anonim Sirketi A laundry dryer comprising a filter
EP2848731A3 (en) * 2009-12-28 2015-07-29 Panasonic Corporation Drying machine and washing machine comprising a drying machine
EP2403985A4 (en) * 2009-03-03 2016-01-06 Lg Electronics Inc Heat pump module and laundry treatment device using the same
DE102014222400A1 (en) * 2014-11-03 2016-05-04 BSH Hausgeräte GmbH Household appliance for drying laundry
US10087569B2 (en) 2016-08-10 2018-10-02 Whirlpool Corporation Maintenance free dryer having multiple self-cleaning lint filters
US10161665B2 (en) 2013-03-14 2018-12-25 Whirlpool Corporation Refrigerator cooling system having secondary cooling loop
EP3536847A1 (en) * 2018-03-01 2019-09-11 Miele & Cie. KG Heat pump apparatus
US10502478B2 (en) 2016-12-20 2019-12-10 Whirlpool Corporation Heat rejection system for a condenser of a refrigerant loop within an appliance
US10514194B2 (en) 2017-06-01 2019-12-24 Whirlpool Corporation Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators
US10519591B2 (en) 2016-10-14 2019-12-31 Whirlpool Corporation Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers
US10544539B2 (en) 2017-02-27 2020-01-28 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US10718082B2 (en) 2017-08-11 2020-07-21 Whirlpool Corporation Acoustic heat exchanger treatment for a laundry appliance having a heat pump system
US10738411B2 (en) 2016-10-14 2020-08-11 Whirlpool Corporation Filterless air-handling system for a heat pump laundry appliance
US11015281B2 (en) 2017-09-26 2021-05-25 Whirlpool Corporation Laundry appliance having a maintenance free lint removal system
CN114829698A (en) * 2019-12-17 2022-07-29 Lg电子株式会社 Laundry treating apparatus and method of controlling the same

Citations (8)

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Publication number Priority date Publication date Assignee Title
DE1827021U (en) * 1958-05-07 1961-02-23 Siemens Elektrogeraete Gmbh ARRANGEMENT FOR DRYING OBJECTS, IN PARTICULAR WASHING DRYERS.
DE7334306U (en) * 1975-04-03 Bosch Siemens Hausgeraete Gmbh Tumble dryer working according to the drum principle with air circulation
DE2507088A1 (en) * 1975-02-19 1976-09-02 Miele & Cie Drum-type clothes drier with circulating air - with fluff collector for complete separation of fluff from air current
DE2526450A1 (en) * 1975-06-13 1977-01-13 Wilhelm Dr Ing Schirp Outlet air dehumidifier for clothes drier with closed air circuit - with low production cost and requiring little total space
DE8032679U1 (en) * 1980-12-09 1982-02-25 G. Bauknecht Gmbh, 7000 Stuttgart LAUNDRY DRYER
DE3407439A1 (en) * 1984-02-29 1985-08-29 Hans-Jürgen 8391 Tittling Dietrich Laundry dryer with cold circuit
US4621438A (en) * 1980-12-04 1986-11-11 Donald M. Thompson Energy efficient clothes dryer
DE4023129A1 (en) * 1990-07-20 1992-01-23 Bauknecht Hausgeraete Electrical laundry dryer with loading opening at front - where coarse filter body in opening area can be drawn out for removal of slubs on fine filter body

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7334306U (en) * 1975-04-03 Bosch Siemens Hausgeraete Gmbh Tumble dryer working according to the drum principle with air circulation
DE1827021U (en) * 1958-05-07 1961-02-23 Siemens Elektrogeraete Gmbh ARRANGEMENT FOR DRYING OBJECTS, IN PARTICULAR WASHING DRYERS.
DE2507088A1 (en) * 1975-02-19 1976-09-02 Miele & Cie Drum-type clothes drier with circulating air - with fluff collector for complete separation of fluff from air current
DE2526450A1 (en) * 1975-06-13 1977-01-13 Wilhelm Dr Ing Schirp Outlet air dehumidifier for clothes drier with closed air circuit - with low production cost and requiring little total space
US4621438A (en) * 1980-12-04 1986-11-11 Donald M. Thompson Energy efficient clothes dryer
DE8032679U1 (en) * 1980-12-09 1982-02-25 G. Bauknecht Gmbh, 7000 Stuttgart LAUNDRY DRYER
DE3407439A1 (en) * 1984-02-29 1985-08-29 Hans-Jürgen 8391 Tittling Dietrich Laundry dryer with cold circuit
DE4023129A1 (en) * 1990-07-20 1992-01-23 Bauknecht Hausgeraete Electrical laundry dryer with loading opening at front - where coarse filter body in opening area can be drawn out for removal of slubs on fine filter body

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1405946A3 (en) * 2002-10-01 2004-04-14 Sanyo Electric Co. Ltd Drier with refrigerant circuit
EP1405946A2 (en) * 2002-10-01 2004-04-07 Sanyo Electric Co. Ltd Drier with refrigerant circuit
EP1411163A3 (en) * 2002-10-16 2005-11-30 Matsushita Electric Industrial Co., Ltd. Washing and drying machine
US7263861B2 (en) 2002-10-16 2007-09-04 Matsushita Electric Industrial Co., Ltd. Washing and drying machine
KR100772773B1 (en) * 2002-10-16 2007-11-01 마츠시타 덴끼 산교 가부시키가이샤 Washing and drying machine
US8863400B2 (en) 2004-12-06 2014-10-21 Lg Electronics Inc. Clothes dryer
US8826559B2 (en) 2004-12-06 2014-09-09 Lg Electronics Inc. Clothes dryer
EP2891742A1 (en) 2004-12-06 2015-07-08 LG Electronics Inc. Clothes dryer
EP2383384A1 (en) * 2004-12-06 2011-11-02 LG Electronics Clothes dryer
EP1920102B2 (en) † 2005-07-29 2017-01-11 BSH Hausgeräte GmbH Tumble dryer with a lint filter
US8056254B2 (en) 2005-07-29 2011-11-15 Bsh Bosch Und Siemens Hausgeraete Gmbh Tumble dryer with a lint filter
WO2008110451A1 (en) * 2007-03-13 2008-09-18 BSH Bosch und Siemens Hausgeräte GmbH Tumble dryer having improved lint removal and method for the operation thereof
EP2050862A1 (en) * 2007-10-18 2009-04-22 BSH Bosch und Siemens Hausgeräte GmbH Fibre material filtering device and household device with such a fibre material filtering device
EP2403985A4 (en) * 2009-03-03 2016-01-06 Lg Electronics Inc Heat pump module and laundry treatment device using the same
EP2848731A3 (en) * 2009-12-28 2015-07-29 Panasonic Corporation Drying machine and washing machine comprising a drying machine
WO2013014045A1 (en) * 2011-07-22 2013-01-31 Electrolux Home Products Corporation N.V. Basement arrangement in heat pump laundry treatment apparatus
CN103748279A (en) * 2011-07-22 2014-04-23 伊莱克斯家用产品股份有限公司 Basement arrangement in heat pump laundry treatment apparatus
EP2549008A1 (en) * 2011-07-22 2013-01-23 Electrolux Home Products Corporation N.V. Basement arrangement in heat pump laundry treatment apparatus
AU2012289035B2 (en) * 2011-07-22 2017-03-02 Electrolux Home Products Corporation N.V. Basement arrangement in heat pump laundry treatment apparatus
EP2581489A1 (en) * 2011-10-12 2013-04-17 Electrolux Home Products Corporation N.V. A heat pump laundry dryer with air stream filters
WO2014086831A1 (en) 2012-12-04 2014-06-12 Arcelik Anonim Sirketi A laundry dryer comprising a filter
US10161665B2 (en) 2013-03-14 2018-12-25 Whirlpool Corporation Refrigerator cooling system having secondary cooling loop
DE102014222400A1 (en) * 2014-11-03 2016-05-04 BSH Hausgeräte GmbH Household appliance for drying laundry
US10087569B2 (en) 2016-08-10 2018-10-02 Whirlpool Corporation Maintenance free dryer having multiple self-cleaning lint filters
US10633785B2 (en) 2016-08-10 2020-04-28 Whirlpool Corporation Maintenance free dryer having multiple self-cleaning lint filters
US11542653B2 (en) 2016-10-14 2023-01-03 Whirlpool Corporation Filterless air-handling system for a heat pump laundry appliance
US11299834B2 (en) 2016-10-14 2022-04-12 Whirlpool Corporation Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers
US10519591B2 (en) 2016-10-14 2019-12-31 Whirlpool Corporation Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers
US10738411B2 (en) 2016-10-14 2020-08-11 Whirlpool Corporation Filterless air-handling system for a heat pump laundry appliance
US10502478B2 (en) 2016-12-20 2019-12-10 Whirlpool Corporation Heat rejection system for a condenser of a refrigerant loop within an appliance
US10544539B2 (en) 2017-02-27 2020-01-28 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US11142864B2 (en) 2017-02-27 2021-10-12 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US11634856B2 (en) 2017-02-27 2023-04-25 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US11920288B2 (en) 2017-02-27 2024-03-05 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US10823479B2 (en) 2017-06-01 2020-11-03 Whirlpool Corporation Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators
US10514194B2 (en) 2017-06-01 2019-12-24 Whirlpool Corporation Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators
US10718082B2 (en) 2017-08-11 2020-07-21 Whirlpool Corporation Acoustic heat exchanger treatment for a laundry appliance having a heat pump system
US11015281B2 (en) 2017-09-26 2021-05-25 Whirlpool Corporation Laundry appliance having a maintenance free lint removal system
US11739472B2 (en) 2017-09-26 2023-08-29 Whirlpool Corporation Laundry appliance having a maintenance free lint removal system
EP3536847A1 (en) * 2018-03-01 2019-09-11 Miele & Cie. KG Heat pump apparatus
CN114829698A (en) * 2019-12-17 2022-07-29 Lg电子株式会社 Laundry treating apparatus and method of controlling the same
CN114829698B (en) * 2019-12-17 2023-11-21 Lg电子株式会社 Laundry treating apparatus and method of controlling the same

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