WO2014032871A1 - A laundry washing and drying machine comprising an air-cooled condenser - Google Patents

A laundry washing and drying machine comprising an air-cooled condenser Download PDF

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Publication number
WO2014032871A1
WO2014032871A1 PCT/EP2013/065671 EP2013065671W WO2014032871A1 WO 2014032871 A1 WO2014032871 A1 WO 2014032871A1 EP 2013065671 W EP2013065671 W EP 2013065671W WO 2014032871 A1 WO2014032871 A1 WO 2014032871A1
Authority
WO
WIPO (PCT)
Prior art keywords
condenser
cooling air
drying machine
inlet opening
situated
Prior art date
Application number
PCT/EP2013/065671
Other languages
English (en)
French (fr)
Inventor
Talip Caglar
Dogan Demirhan
Mehmet Ozbek
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to AU2013307628A priority Critical patent/AU2013307628B2/en
Priority to EP13740298.8A priority patent/EP2890843B1/en
Priority to CN201380045043.5A priority patent/CN104704159B/zh
Publication of WO2014032871A1 publication Critical patent/WO2014032871A1/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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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
    • D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
    • 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 

Definitions

  • the present invention relates to a laundry washing and drying machine comprising an air-cooled condenser.
  • the cooling air duct through which the cooling air passes, is designed with curved configuration due to the tub, the motor and other components contained inside the machine body and the path traversed inside the body by the cooling air increases.
  • the cooling air heats up since the path traversed inside the body prior to and after the condenser is long and curved, the friction in the cooling air duct increases and loss in the pressure and flow rate occurs, thereby laundry drying efficiency decreases since the condenser cannot be cooled sufficiently.
  • the United States Patent No. US4489507 relates to a drying apparatus comprising an air-cooled heat exchanger.
  • the aim of the present invention is the realization of a laundry washing and drying machine wherein the condensation efficiency of the air-cooled condenser is improved.
  • the laundry washing and drying machine realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises an air-cooled condenser disposed at the upper side of the tub and the cooling air received from the outside environment is passed through the condenser in order to condense the processing air passed over the laundry in the drying process.
  • the cooling air is sucked from an inlet opening situated at the upper part of the machine body front wall by means of a fan and delivered to the condenser via the cooling air duct.
  • the cooling air leaving the condenser is discharged to the outside environment from the outlet opening situated at the upper side of the body rear wall by passing through the cooling air duct.
  • the cooling air fan is situated just behind the inlet opening, the cooling air duct extends from the fan to the condenser and from the condenser to the outlet opening horizontally and straightly without making turns and the cooling air is provided to traverse a minimum distance inside the body without suffering loss in pressure or flow rate and without heating up.
  • condensation effectiveness is increased by accelerating the cooling of the condenser.
  • an extension is disposed at the rear side of the upper plate covering the top side of the machine body, that prevents the components like the valve, hose from bearing against the wall and the outlet opening opens to the outside environment just below this extension.
  • the cooling air is provided to be discharged freely to the outside environment from the rear wall of the machine body.
  • a bend is arranged between the inlet opening and the fan situated just therebehind, through which the cooling air duct extends curvilinearly and thus the fan cannot be seen from the inlet opening.
  • the inlet opening is covered by a front protector, furthermore a rear protector is disposed inside the bend, at the front side of the fan, thereby increasing safety by preventing the user from accessing the fan through the inlet opening.
  • the inlet opening is situated at the upper side of the body front wall, on the wide triangular section between the control panel and the loading door.
  • the edge of the inlet opening facing the loading door is curvilinear in shape and parallel to the outer side of the loading door.
  • the distance and bends traversed by the cooling air inside the body is decreased by means of the cooling air duct, and heating and pressure/flow rate losses are prevented.
  • the condenser is provided to be cooled effectively and laundry drying duration is decreased.
  • Figure 1 – is the sideways schematic view of a laundry washing and drying machine.
  • Figure 2 – is the front view of a laundry washing and drying machine.
  • the laundry washing and drying machine (1) is horizontal axis and front loading type and comprises a body (2), a drum (3) wherein the laundry is placed, a tub (4) wherein the drum (3) moves, a control panel (5) whereon buttons and displays are arranged, an upper plate (6) that covers the top side of the body (2), a loading door (7) situated on the body (2) front wall, that is opened/closed for loading/unloading the laundry, a processing air duct (not shown in the figures) wherein the processing air circulation, providing the drying of the laundry, is performed in the drying process after the washing process, a processing air fan (not shown in the figures) that provides circulation of the processing air, a heater (not shown in the figures) disposed in the processing air duct, an air-cooled condenser (8) disposed at the upper side of the tub (4), that condenses the processing air, a cooling air fan (9) (will be referred to as the “fan” in the description and the claims) that cools the condenser (8) by delivering the cooling air (
  • the laundry washing and drying machine (1) of the present invention comprises - the inlet opening (10) situated at the upper side of the body (2) front wall, - the outlet opening (11) situated at the upper side of the body (2) rear wall, - the fan (9) situated just behind the inlet opening (10) and - the cooling air duct (12) disposed substantially at the upper side of the tub (4), extending from the fan (9) to the condenser (8) and the outlet opening (11) horizontally and straightly ( Figure 1).
  • the processing air humidified by passing over the laundry inside the drum (3) in the drying process after washing, is delivered to the condenser (8) by means of the processing air duct and the processing air fan.
  • the condenser (8) condenses and dehumidifies the processing air and the heater heats the processing air.
  • the cooling air (CA) sucked to the condenser (8) from the inlet opening (10) by means of the fan (9) condenses the humid processing air inside the condenser (8) by decreasing the temperature thereof and thus the hot and dry processing air is delivered onto the laundry in the drum (3).
  • the cooling air (CA) leaving the condenser (8) reaches the outlet opening (11) via the cooling air duct (12) and is discharged to the outside environment.
  • the fan (9) disposed just behind the inlet opening (10) and the cooling air duct (12) that extends horizontally and straightly between the fan (9)-condenser (8)-outlet opening (11) provides the cooling air (CA) to reach the condenser (8) and to the outlet opening (11) from the condenser (8) without making turns onwards from the fan (9) and by following an almost straight and short path.
  • the distance travelled by the cooling air (CA) inside the body (2) and hence the heating effect on the cooling air (CA) of the heat inside the body (2) is decreased.
  • the pressure and flow rate losses in the cooling air (CA) are decreased.
  • the condenser (8) is cooled effectively and the condensation efficiency thereof is increased.
  • the laundry washing and drying machine (1) comprises an extension (13) situated at the rear side of the upper plate (6), extending outwards from the body (2) such that a gap (B) remains between the body (2) and the wall of the installation place or the wall of the cabinet wherein the laundry washing and drying machine (1) is placed, protecting the components like the valve, the hose, cables etc. at the rear side of the laundry washing and drying machine (1), and the outlet opening (11) situated at the rear wall of the body (2) which opens to the gap (B) just under the extension (13) ( Figure 1).
  • the gap (B) just under the extension (13) is utilized for freely discharging the cooling air (CA) to the outside environment from between the rear wall of the body (2) and the wall of the cabinet or of the room wherein the laundry washing and drying machine (1) is installed.
  • the portion of the rear wall of the cabinet is not required to be cut at the level of the outlet opening (11) and the cooling air (CA) is provided to be discharged from the outlet opening (11) to the gap (B) and hence to the outside environment without obstructing the air flow.
  • the laundry washing and drying machine (1) comprises a bend (14) that forms the portion of the cooling air duct (12) between the inlet opening (10) and the fan (9), which extends from below the control panel (5) and between the inlet opening (10) and the fan (9) ( Figure 1).
  • the fan (9) is positioned above the cooling air duct (12), just behind the inlet opening (10), the bend (14) extends curvilinearly from the inlet opening (10) towards the fan (9) and the fan (9) is not seen from inlet opening (10). Consequently, especially children are prevented from reaching the fan (9) through the inlet opening (10) and user safety is provided.
  • the bend (14) extends towards the fan (9) from right under the control panel (5) and the electronic components in the control panel (5) are prevented from overheating.
  • the laundry washing and drying machine (1) comprises a detachable front protector (15) in grill and/or perforated shape, mounted over the inlet opening (10) on the front wall of the body (2) ( Figure 1, Figure 2).
  • the laundry washing and drying machine (1) comprises a rear protector (16) configured as a coarse filter or sieve, situated inside the bend (14) prior to the fan (9) ( Figure 1).
  • the rear protector (16) does not decrease the flow rate of the cooling air (CA) sucked by the fan (9) and prevents external unwanted particles passing through the front protector (15) from reaching the fan (9).
  • the rear protector (16) furthermore prevents the user from reaching the fan (9) through the inlet opening (10) in situations the front protector (15) is not mounted and provides additional safety.
  • the inlet opening (10) is situated at the upper side of the body (2) front wall, in the region remaining between the control panel (5) and the loading door (7), which has a considerably wide area ( Figure 2).
  • the mentioned region is vacant in state of the art embodiments and in the laundry washing and drying machine (1) of the present invention, this dead area is utilized for forming the inlet opening (10).
  • the edge of the inlet opening (10) facing the loading door (7) is parallel to the outer edge of the loading door (7) and curvilinear in shape, thereby increasing the cross-sectional area of the inlet opening (10) and providing an esthetic appearance.
  • the path traversed by the cooling air (CA) cooling the condenser (8), wherein the condensation process is performed, is shortened and turns are decreased.
  • the cooling air (CA) cools the condenser (8) effectively without heating up and being subjected to flow rate/pressure losses inside the body (2) and the condensation efficiency of the condenser (8) is increased.
  • the duration of the drying process decreases and energy saving is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
PCT/EP2013/065671 2012-08-31 2013-07-24 A laundry washing and drying machine comprising an air-cooled condenser WO2014032871A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2013307628A AU2013307628B2 (en) 2012-08-31 2013-07-24 A laundry washing and drying machine comprising an air-cooled condenser
EP13740298.8A EP2890843B1 (en) 2012-08-31 2013-07-24 A laundry washing and drying machine comprising an air-cooled condenser
CN201380045043.5A CN104704159B (zh) 2012-08-31 2013-07-24 包括空气冷却的冷凝器的洗衣及干燥机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2012/09988 2012-08-31
TR201209988 2012-08-31

Publications (1)

Publication Number Publication Date
WO2014032871A1 true WO2014032871A1 (en) 2014-03-06

Family

ID=48874305

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/065671 WO2014032871A1 (en) 2012-08-31 2013-07-24 A laundry washing and drying machine comprising an air-cooled condenser

Country Status (4)

Country Link
EP (1) EP2890843B1 (zh)
CN (1) CN104704159B (zh)
AU (1) AU2013307628B2 (zh)
WO (1) WO2014032871A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110859410A (zh) * 2019-10-30 2020-03-06 青岛海尔滚筒洗衣机有限公司 衣物处理设备
US11186943B2 (en) 2017-10-09 2021-11-30 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3220229A (en) * 1963-12-13 1965-11-30 Gen Motors Corp Clothes washer and dryer
JPS5130656A (ja) * 1974-09-09 1976-03-16 Matsushita Electric Ind Co Ltd Iruikansoki
US4180919A (en) * 1976-10-18 1980-01-01 Hans Baltes Method for drying laundry, and a drying cabinet for carrying out such method
GB2075559A (en) * 1980-05-03 1981-11-18 Miele & Cie Washing machine
GB2109520A (en) * 1981-10-09 1983-06-02 Tokyo Shibaura Electric Co Drying apparatus
EP0254018A1 (en) 1986-07-25 1988-01-27 INDUSTRIE ZANUSSI S.p.A. Condensation laundry drying machine
EP1584734A2 (de) 2004-03-13 2005-10-12 Eickel u. Spindeldreher GmbH Kondenstrockner
EP2471998A1 (en) * 2011-01-04 2012-07-04 Electrolux Home Products Corporation N.V. Appliance for drying laundry

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923701C2 (de) * 1979-06-12 1986-05-28 Zanker GmbH, 7400 Tübingen Wäschetrockner
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3220229A (en) * 1963-12-13 1965-11-30 Gen Motors Corp Clothes washer and dryer
JPS5130656A (ja) * 1974-09-09 1976-03-16 Matsushita Electric Ind Co Ltd Iruikansoki
US4180919A (en) * 1976-10-18 1980-01-01 Hans Baltes Method for drying laundry, and a drying cabinet for carrying out such method
GB2075559A (en) * 1980-05-03 1981-11-18 Miele & Cie Washing machine
GB2109520A (en) * 1981-10-09 1983-06-02 Tokyo Shibaura Electric Co Drying apparatus
US4489507A (en) 1981-10-09 1984-12-25 Tokyo Shibaura Denki Kabushiki Kaisha Drying apparatus
EP0254018A1 (en) 1986-07-25 1988-01-27 INDUSTRIE ZANUSSI S.p.A. Condensation laundry drying machine
EP1584734A2 (de) 2004-03-13 2005-10-12 Eickel u. Spindeldreher GmbH Kondenstrockner
EP2471998A1 (en) * 2011-01-04 2012-07-04 Electrolux Home Products Corporation N.V. Appliance for drying laundry

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11186943B2 (en) 2017-10-09 2021-11-30 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter
US11761141B2 (en) 2017-10-09 2023-09-19 Whirlpool Corporation Filter configured for being used in a machine for drying laundry and machine for drying laundry equipped with such a filter
CN110859410A (zh) * 2019-10-30 2020-03-06 青岛海尔滚筒洗衣机有限公司 衣物处理设备
CN110859410B (zh) * 2019-10-30 2024-02-09 上海海尔洗涤电器有限公司 衣物处理设备

Also Published As

Publication number Publication date
CN104704159A (zh) 2015-06-10
EP2890843B1 (en) 2017-09-20
EP2890843A1 (en) 2015-07-08
AU2013307628B2 (en) 2017-08-03
CN104704159B (zh) 2019-12-13
AU2013307628A1 (en) 2014-10-30

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