EP2723935B1 - Laundry washing and drying machine with air-cooled condenser - Google Patents

Laundry washing and drying machine with air-cooled condenser Download PDF

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Publication number
EP2723935B1
EP2723935B1 EP12728287.9A EP12728287A EP2723935B1 EP 2723935 B1 EP2723935 B1 EP 2723935B1 EP 12728287 A EP12728287 A EP 12728287A EP 2723935 B1 EP2723935 B1 EP 2723935B1
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EP
European Patent Office
Prior art keywords
valve
laundry
water
condenser
laundry washing
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.)
Active
Application number
EP12728287.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2723935A1 (en
Inventor
Talip Caglar
Atilla Uz
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.)
Arcelik AS
Original Assignee
Arcelik AS
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Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP2723935A1 publication Critical patent/EP2723935A1/en
Application granted granted Critical
Publication of EP2723935B1 publication Critical patent/EP2723935B1/en
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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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration

Definitions

  • the present invention relates to a laundry washing and drying machine comprising an air-cooled condenser according to the preamble of claim 1.
  • a similar washer-dryer machine is shown in EP 2 039 819 A1 .
  • the condenser and the air channels connected thereto are washed by means of a water spraying device connected to the water mains by means of a valve in order to cleanse them of fibers and lint.
  • the condenser is generally washed at the end of the drying process, since, during the drying of the laundry, most of the fibers and lint adhere onto the condenser towards the end of the drying cycle.
  • a small amount of water such as 3 - 4 liters is used for washing the condenser especially in order to reduce the water consumption; however, when the pressure of water coming from water mains is low, the condenser cannot be properly cleansed of the fibers and lint with a small amount of water with low pressure.
  • the aim of the present invention is the realization of a laundry washing and drying machine comprising an air-cooled condenser that is effectively cleansed of the fibers and lint adhering thereon.
  • the laundry washing and drying machine realized in order to attain the aim of the present invention, explicated in the first claim. It comprises a detergent dispenser wherein the chemical cleaning agents are placed, an air-cooled condenser that condenses the processing air and a first valve connected to the water supply (the water mains), providing the water taken from the mains for washing to be delivered to the detergent dispenser and the tub and a second valve again connected to the water supply, that delivers water onto the condenser, providing the fibers and lint adhering onto the condenser to be removed at the end of the drying process.
  • the control unit may open the second valve while water is being taken from the water supply at the beginning of the laundry washing program and thus some of the water required for the laundry washing program is filled into the tub after washing the air ventilation duct and the condenser.
  • control unit may keep the first valve open for a predetermined period, for example until 5 liters of water is sent in order to flush the cleaning agents in the detergent dispenser and opens the second valve after closing the first valve.
  • control unit may open the first valve and the second valve at the same time during the water intake from the water supply, closes the first valve after the cleaning agents in the detergent dispenser are flushed and closes the second valve after the tub is filled with the required amount of water.
  • control unit provides that approximately 10 % of the water needed for the washing of the laundry is filled into the tub from the first valve and through the detergent dispenser, and approximately 90 % from the second valve and through the air ventilation duct - the condenser.
  • the water taken from the water supply for laundry washing is passed through the condenser, thus providing the fibers and lint adhering onto the condenser to be cleansed with plenty of water even if the mains pressure is low; and an additional condenser washing program is not needed to be applied for cleaning the condenser.
  • Figure 1 - is the schematic view of a laundry washing and drying machine.
  • the laundry washing and drying machine 1 shown in Fig. 1 comprises a drum 2 wherein the laundry is placed, a tub 3 wherein the drum 2 moves, a detergent dispenser 4 wherein the chemical cleaning agents to be used in the laundry washing process are placed, an air ventilation duct 5 wherein the processing air circulation providing the laundry to be dried at the drying process after the washing process is realized, a fan 6 providing the circulation of the processing air, an air-cooled condenser 7 condensing the processing air, an outer air line 8 that delivers the cooling air received from the outer environment to the condenser 7, providing the cooling of the condenser 7, a heater 9 placed into the air ventilation duct 5, heating the dehumidified processing air coming from the condenser 7 and a control unit 10 controlling the washing-drying programs.
  • the laundry washing program and the laundry drying program are respectively applied.
  • the laundry washing and drying machine 1 furthermore comprises a first valve 11 providing water to be taken from the water supply S at the beginning of the laundry washing program and to be sent to the tub 3 through the detergent dispenser 4 and a second valve 12 providing water to be taken from the water supply S to be sent to the air ventilation duct 5 and the condenser 7 in order that laundry fibers and lint that are carried with the processing air and that adhere to the air ventilation duct 5 and the condenser 7 are removed.
  • the laundry washing and drying machine 1 comprises the control unit 10 that may open the second valve 12 during the water intake from the water supply S at the beginning of the laundry washing program, thereby providing some of the water first to wash the air ventilation duct 5 and the condenser 7 and then, secondly, to be filled into the tub 3.
  • the second valve 12 may be opened by the control unit 10 and consequently wash water passes through the air ventilation duct 5 and the condenser 7 and then is filled into the tub 3.
  • the control unit 10 may keep the first valve 11 open for a predetermined period recorded in its memory for the cleaning agents in the detergent dispenser 4 to be flushed and after closing the first valve 11, opens the second valve 12, thus providing the remainder of the water required for the washing of the laundry to be filled into the tub 3 by following the second valve 12 - air ventilation duct 5 - condenser 7 path.
  • the two valves 11, 12 respectively, the pressure of the water flushing the detergent dispenser 4 by means of the first valve 11 and the pressure of the water cleansing the condenser 7 of fibers and lint by means of the second valve 12 are prevented from decreasing.
  • control unit 10 may open the first valve 11 and the second valve 12 at the same time while water is being taken from the water supply S at the beginning of the laundry washing program and keeps the first valve 11 open until the agents in the detergent dispenser 4 are flushed and the second valve 12 open until the amount of water required for the washing of the laundry is filled into the tub 3.
  • first both valves 11, 12 are kept open, thereby decreasing the time required for water to fill the tub 3.
  • the control unit 10 regulates the opening/closing durations of the first valve 11 and the second valve 12, thereby providing 10 % of the water required for the laundry washing program to be filled into the tub 3 through the first valve 11 - the detergent dispenser 4 and 90 % thereof through the second valve 12 - the air ventilation duct 5 - the condenser 7.
  • a separate condenser 7 washing process is not applied for cleansing the air ventilation duct 5 and the condenser 7 of fibers and lint adhering thereon. Fibers and lint adhering onto the condenser 7 are washed away with plenty of water during the water intake at the beginning of the laundry washing program. Even if the pressure of the water supplied from the water mains is low, a successful condenser 7 cleaning is provided and total water consumption is decreased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP12728287.9A 2011-06-27 2012-06-20 Laundry washing and drying machine with air-cooled condenser Active EP2723935B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2011/06331A TR201106331A1 (tr) 2011-06-27 2011-06-27 Hava soğutmalı kondenser içeren bir çamaşır yıkama ve kurutma makinası.
PCT/EP2012/061825 WO2013000787A1 (en) 2011-06-27 2012-06-20 Laundry washing and drying machine with air-cooled condenser

Publications (2)

Publication Number Publication Date
EP2723935A1 EP2723935A1 (en) 2014-04-30
EP2723935B1 true EP2723935B1 (en) 2018-11-14

Family

ID=46319786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12728287.9A Active EP2723935B1 (en) 2011-06-27 2012-06-20 Laundry washing and drying machine with air-cooled condenser

Country Status (4)

Country Link
EP (1) EP2723935B1 (zh)
CN (1) CN103620106A (zh)
TR (2) TR201106331A1 (zh)
WO (1) WO2013000787A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2999816B1 (en) * 2013-05-23 2018-06-27 Arçelik Anonim Sirketi Water jet device for eliminating lint accumulation in a laundry treatment machine's air-cooled condenser
WO2016162230A1 (en) * 2015-04-06 2016-10-13 Arcelik Anonim Sirketi A laundry washing and drying machine comprising a condenser
CN106884292A (zh) * 2015-12-15 2017-06-23 青岛海尔滚筒洗衣机有限公司 一种高效洗干衣机及控制方法
CN109989219B (zh) * 2017-12-29 2022-09-16 重庆海尔滚筒洗衣机有限公司 一种洗衣干衣一体机的控制方法及洗衣干衣一体机
CN111197235B (zh) * 2018-11-16 2023-06-30 青岛海尔洗衣机有限公司 一种冷凝器的清洗方法及洗干一体机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325209A1 (de) * 1993-07-27 1995-02-02 Bosch Siemens Hausgeraete Zum Trocknen eingerichtete Waschmaschine
DE4447160A1 (de) * 1994-12-29 1996-07-04 Bosch Siemens Hausgeraete Waschmaschine mit einer Waschmittel-Einspüleinrichtung
KR100925739B1 (ko) * 2007-09-13 2009-11-11 엘지전자 주식회사 덕트리스 건조기
EP2039819B1 (en) * 2007-09-21 2016-05-04 Candy S.p.A. Washer-drier machine
DE102007060851A1 (de) * 2007-12-18 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken und Verfahren zum Entfernen von Flusen
CN101684610B (zh) * 2008-09-26 2011-11-09 博西华电器（江苏）有限公司 衣物烘干设备
JP5053976B2 (ja) * 2008-10-15 2012-10-24 株式会社東芝 洗濯乾燥機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2723935A1 (en) 2014-04-30
TR201718097T3 (tr) 2017-12-21
CN103620106A (zh) 2014-03-05
WO2013000787A1 (en) 2013-01-03
TR201106331A1 (tr) 2013-01-21

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