EP3111000B1 - Wäschebehandlungsvorrichtung mit einer kondensatwasserableitung des kondensators - Google Patents

Wäschebehandlungsvorrichtung mit einer kondensatwasserableitung des kondensators Download PDF

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Publication number
EP3111000B1
EP3111000B1 EP14707179.9A EP14707179A EP3111000B1 EP 3111000 B1 EP3111000 B1 EP 3111000B1 EP 14707179 A EP14707179 A EP 14707179A EP 3111000 B1 EP3111000 B1 EP 3111000B1
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EP
European Patent Office
Prior art keywords
condenser
laundry treatment
treatment machine
base plane
outlet tube
Prior art date
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Active
Application number
EP14707179.9A
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English (en)
French (fr)
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EP3111000A1 (de
Inventor
Cumhur Ayvazoglu
Talip Caglar
Mehmet Ozbek
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
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Arcelik AS
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Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP3111000A1 publication Critical patent/EP3111000A1/de
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    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the present invention relates to a laundry washing and drying machine comprising a condenser.
  • the present invention more specifically relates to a laundry treatment machine with a condenser having a condensate water and lint removal water discharge line.
  • a conventional clothes dryer having a condenser is a machine in the form of a tumble clothes dryer without an external vent.
  • air is typically drawn from the surrounding area, heated and blown through the clothes as the drum is rotated. Hot air then evaporates water in the fabrics, and the moisture-laden air is exhausted through a vent duct.
  • air within the drum is heated, blown through the tumbling clothes, and then the moisture-laden air is passed through a heat exchanger, where the water recondenses. The same dry air is then reheated and the cycle is repeated.
  • the second loop in a drying machine with a condenser consists of either air or water.
  • Some condenser dryer models are air-cooled, and use the ambient room air in this effect, by blowing it across the heat exchanger.
  • the condensed water can be pumped away to a drain line.
  • the ventless condenser system is also commonly used, but in these cases the condensers are water-cooled.
  • Laundry treatment machines with air-cooled condensers carry out the condensation process by using the ambient air in the drying process such that the thermal interaction between the cooling air and the closed cycle air having separate cycles is used.
  • the cooling air is passed onto the condenser by means of a fan and thus, the moisture in the cycle air is condensed by the condenser that is being cooled.
  • In sum air laden with moisture that comes from over the laundry passes through a processing air channel and is hereby condensed while the latter is being cooled by means of the outer environment air.
  • the closed cycle air is dehumidified on the condenser, it is heated by a heater and applied to the drum by being put again into the drying cycle with low relative humidity rate and at high temperature.
  • Fluff particles that travel through the air between the components in the closed cycle require particular attention for maintaining sound operation of the laundry treatment machines.
  • lint particles come off the laundry as a result of mechanical interaction of cloth items with each other and with the drum surfaces and these particles should therefore be filtered before reaching the heater.
  • Fluff particles generally tend to accumulate around the condenser inlet tube and on the inner surfaces of the main housing thereof, including air ducts. Depending on the severity of the case, these particles may build up to the extent of forming a surface layer and hence lower thermal performance of the condenser, which in turn prolong drying period and cause energy losses. Fluff layers may block air flow in the condenser's inlet tube.
  • a prior art publication in the technical field of the present invention may be referred to as WO2011042345 among others, the document disclosing a filter which is disposed into a circulation channel before the condenser for collecting fluff particles in the cycle air.
  • a further prior art publication referred to as WO2013050263 discloses a laundry washing and drying machine comprising a spraying device connected to the water mains for cleaning the condenser from fibres and lint by spraying water into the condenser.
  • the present invention provides an arrangement in relation to a laundry treatment machine with a condensate water and lint removal water discharge line, which is defined by the characterizing features as defined in Claim 1.
  • Primary object of the present invention is hence to provide a laundry treatment machine effectively discharging fluff particles cleared off of the condenser out of the system by means of a discharge line.
  • the present invention proposes a laundry treatment machine having a condenser connected between a condenser inlet tube and a condenser outlet tube in an inclined manner.
  • the condenser outlet tube is connected with a discharge hose having two different portions, the first portion thereof providing lint accumulation by a surface sloping down with a smaller inclination angle compared to the condenser outlet tube, whereby temporary lint accumulation is provided and more lint can be discharged at once.
  • a second linear section of the discharge hose is more inclined with respect to the base plane of the laundry treatment machine compared to the inclination angles of the first section or the condenser outlet tube, whereby the lint that is temporarily slowed down is discharged in a swift manner.
  • the discharge hose has a shorter distance to the base of the laundry treatment machine compared to the closed cycle fan, whereby the discharge water having a longer flow path is carried away by gravity from the center of the fan.
  • the present invention relates to a laundry treatment machine (1) comprising a drum (2) in a tub (3) and an air circulation duct (4) by means of which circulation of the processing air is effected for drying of the laundry in the drum (2).
  • a closed cycle fan (5) provides the circulation of the processing air such that the processing air is condensed by an air-cooled condenser (6).
  • the cooling air is taken from an outer air duct by means of an open cycle fan.
  • the cooling air is passed onto the condenser (6) to cool the same.
  • a heater placed in the air circulation duct (4) provides the dehumidified processing air coming from the condenser (6) to be heated and sent onto the laundry.
  • drying channel (7) through the condenser (6) flows the processing air coming from the air circulation duct (4) by means of said closed-cycle fan (5) and at least one cooling channel, also passing through the condenser (6) draws heat from said drying channels (7).
  • the drying channels (7) and said cooling channels are disposed in the condenser's (6) main housing in between a condenser inlet tube (8) and a condenser outlet tube (9), the condenser inlet tube (11) communicating with the tub through a tub connection.
  • a water jet device (10) with a plurality of nozzles (11) is provided for effectively eliminating fluff particles and individual fibers that travel through the air between the condenser inlet tube (8) and the condenser outlet tube (9) and tend to adhere to the drying channels' (7) surfaces.
  • the water jet device (10) is disposed within said condenser outlet tube (9) facing the main housing of the condenser (6).
  • the condenser's (6) position is adjusted so as to be inclined relative to the base plane of the laundry treatment machine (1) such that the condenser outlet tube (9) level is closer to the base plane compared to the level of the condenser inlet tube (8).
  • the drying channels (7) also extend in an inclined manner from the condenser inlet tube (8) towards the condenser outlet tube (9) in the flow direction of the processing air, which provide the water condensed therein during the drying process to flow downhill.
  • a certain amount of the water being delivered by the water jet device (10) subsequent to the drying process flows in the same direction towards the condenser outlet tube (9).
  • the condensate water collected in the drying channels (7) moves in the direction of the condenser outlet tube (9) due to the inclination of the drying channels (7) and also due to the effect of the processing air.
  • a lint accumulation region (13) is provided to temporarily accumulate fibers and fluff particles densely so that the condensate water drained from the condenser (6) and the fiber and lint cleaning water delivered from the water jet device (11) can clear all the accumulated lint off at once and in its entirety.
  • the condenser outlet tube (9) is connected with the discharge line (12) by means of a discharge hose (14) having a first linear section (15) and a second linear section (16), said first and second sections' inclination relative to the base plane of the laundry treatment machine (1) being respectively less and greater than the inclination of the portion of the condenser outlet tube (9) immediately adjacent to said discharge hose (14).
  • said first section (15) of the discharge hose (14) provides a lint accumulation region (13) wherein fluff particles tend to accumulate due to reduced inclination and adhere to each other to form greater size particles. Such greater particles can be slipped down the discharge hose (14) in an easier manner and a greater amount of lint can be successively discharged.
  • the first and second sections (15, 16) of the discharge hose (14) are schematically represented by the dashed lines in Fig. 3 .
  • the inlet of the discharge hose (14) is positioned closer to the base plane of the laundry treatment machine (1) compared to the position of the closed cycle fan (5), therefore providing that the condensate water drained from the condenser (6) and the fiber and lint cleaning water delivered from the water jet device (11) flow by gravity without being sucked by the closed cycle fan (5).
  • a staggered surface (17) with a stepwise transition in the form of a lowered flow surface is provided in the portion of the condenser outlet tube (9) adjacent to the discharge hose (14).
  • the staggered surface (17) is schematically represented by the dashed line in Fig. 3 .
  • the present invention proposes a laundry treatment machine (1) comprising a drum (2), an air circulation duct (4) through which circulation of the processing air is effected, a closed cycle fan (5) circulating the processing air and a condenser (6) having drying channels (7) connected between a condenser inlet tube (8) and a condenser outlet tube (9) in the manner to be inclined relative to the base plane of the laundry treatment machine (1), the laundry treatment machine (1) further comprising a water jet device (10) disposed within the condenser outlet tube (9) effective in eliminating lint accumulation in the condenser (6) and a discharge line (12) to discharge the condensate and lint cleaning water.
  • the condenser outlet tube (9) is connected with the discharge line (12) by means of a discharge hose (14) having a first linear section (15) in the form of a lint accumulation region (13) whose inclination relative to the base plane of the laundry treatment machine (1) is less than the inclination of the portion of the condenser outlet tube (9) immediately adjacent to the discharge hose (14) relative to the base plane.
  • the discharge hose (14) has a second linear section (16) whose inclination relative to the base plane of the laundry treatment machine (1) is greater than the inclination of the first section (15) relative to said base plane.
  • the condenser's (6) longitudinal direction is inclined relative to the base plane of the laundry treatment machine (1) such that the condenser outlet tube (9) level is closer to the base plane compared to the level of the condenser inlet tube (8).
  • the inlet of the discharge hose (14) is positioned closer to the base plane of the laundry treatment machine (1) compared to the position of the closed cycle fan (5) relative to the base plane.
  • a staggered surface (17) with a stepwise transition in the form of a lowered flow surface is provided in the portion of the condenser outlet tube (9) adjacent to the discharge hose (14).
  • the present invention therefore ensures that fluff particles removed from the condenser (6) by the water jet device (10) are appropriately discharged out of the system in a cost-efficient manner without employing a pump in this effect, which is accomplished thanks to the position of the discharge hose (14) and its internal structure allowing temporary lint accumulation.

Landscapes

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

Claims (4)

  1. Eine Wäschebehandlungsmaschine (1) bestehend aus einem Trommel (2), einer Luftzirkulationsführung (4), wodurch die Zirkulation der Verarbeitungsluft bewirkt wird für Trocknen der Wäsche im Trommel (2), einem geschlossenen Zykluslüfter (5), der die Verarbeitungsluft zirkuliert und einem Kühler (6) mit Trockenkanäle (7) verbunden zwischen einem Kühlereinleitungsrohr (8) und einem Kühlerabflussrohr (9) in einer Art und Weise, geneigt bezüglich der Grundebene der Wäschebehandlungsmaschine (1), wo die Verarbeitungsluft, die von Luftzirkulationsführung kommt, fliesst entlang der Trockenkanäle (7) durch den Kühler (6) mit Hilfe von besagter geschlossenen Zykluslüfter (5), die Wäschebehandlungsmaschine (1) ferner beinhaltet ein Wasserstrahlgerät (10) angeordnet in den besagten Kühlerabflussrohr (9), wirkungsvoll für Beseitigung von Fusselansammlung im Kühler (6) und eine Abflussleitung (12), um das Kondens- und Fusselreinigungswasser zu entladen, dadurch gekennzeichnet, daß
    der Kühlerabflussrohr (9) mit Abflussleitung (12) verbunden ist mittels Ablaufschlauch (14), der einen ersten geradlinigen Teil (15) besitzt mit einer schräg abfallenden Oberfläche (15), wo der erste geradlinige Teil (15) in der Form von einer Fusselansammlungszone (13) ist, deren Neigung bezüglich der Grundebene der Wäschebehandlungsmaschine (1) kleiner als die Neigung der Portion vom Kühlerabflussrohr (9) neben dem Ablaufschlauch (14) bezüglich der besagten Grundebene ist, und mit dem Ablaufschlauch (14), der einen zweiten geradlinigen Teil (16) besitzt, dessen Neigung bezüglich der Grundebene der Wäschebehandlungsmaschine (1) grösser als die Neigung vom ersten Teil (15) bezüglich der Grundebene ist.
  2. Eine Wäschebehandlungsmaschine (1) nach Anspruch 1, dadurch gekennzeichnet, daß die longitudinale Richtung vom Kühler (6) geneigt ist bezüglich der Grundebene der Wäschebehandlungsmaschine (1), so daß das Niveau vom Kühlerabflussrohr (9) näher zur Grundebene ist verglichen mit dem Niveau vom Kühlereinleitungsrohr (8).
  3. Eine Wäschebehandlungsmaschine (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Führung vom Ablaufschlauch (14) aufgestellt ist näher zur Grundebene der Wäschebehandlungsmaschine (1), verglichen mit der Position vom geschlossenen Zykluslüfter (5) bezüglich der besagten Grundebene.
  4. Eine Wäschebehandlungsmaschine (1) nach Anspruch 3, dadurch gekennzeichnet, daß eine gestaffelte Oberfläche (17) mit einem schrittweisen Übergang in der Form von einer tiefgestellten Flussfläche bereitgestellt ist in der Portion vom Kühlerabflussrohr (9) neben dem Ablaufschlauch (14).
EP14707179.9A 2014-02-28 2014-02-28 Wäschebehandlungsvorrichtung mit einer kondensatwasserableitung des kondensators Active EP3111000B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/053946 WO2015127985A1 (en) 2014-02-28 2014-02-28 Laundry treatment machine condenser condensate water discharge line

Publications (2)

Publication Number Publication Date
EP3111000A1 EP3111000A1 (de) 2017-01-04
EP3111000B1 true EP3111000B1 (de) 2018-01-03

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ID=50189705

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Application Number Title Priority Date Filing Date
EP14707179.9A Active EP3111000B1 (de) 2014-02-28 2014-02-28 Wäschebehandlungsvorrichtung mit einer kondensatwasserableitung des kondensators

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EP (1) EP3111000B1 (de)
TR (1) TR201722549T3 (de)
WO (1) WO2015127985A1 (de)

Family Cites Families (4)

* 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
JPS5130658A (ja) * 1974-09-09 1976-03-16 Matsushita Electric Ind Co Ltd Iruikansoki
EP2372012B1 (de) * 2010-03-30 2016-08-31 DBK David + Baader GmbH Kondensatoreinheit, Haushaltsgerät und Verfahren zur Steuerung eines solchen Haushaltsgeräts
PL2764153T3 (pl) * 2011-10-07 2017-09-29 Arçelik Anonim Sirketi Pralka i suszarka do prania zawierająca skraplacz

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EP3111000A1 (de) 2017-01-04
WO2015127985A1 (en) 2015-09-03
TR201722549T3 (tr) 2018-01-22

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