EP2992133A1 - Machine de traitement de lessive à condenseur refroidi par air comportant un moyen de collecte des bourres - Google Patents

Machine de traitement de lessive à condenseur refroidi par air comportant un moyen de collecte des bourres

Info

Publication number
EP2992133A1
EP2992133A1 EP13718855.3A EP13718855A EP2992133A1 EP 2992133 A1 EP2992133 A1 EP 2992133A1 EP 13718855 A EP13718855 A EP 13718855A EP 2992133 A1 EP2992133 A1 EP 2992133A1
Authority
EP
European Patent Office
Prior art keywords
air
treatment machine
laundry treatment
condenser
base plate
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Withdrawn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
EP13718855.3A
Other languages
German (de)
English (en)
Inventor
Celal Vatansever
Ali Levent Hasanreisoglu
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
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 AS filed Critical Arcelik AS
Publication of EP2992133A1 publication Critical patent/EP2992133A1/fr
Withdrawn legal-status Critical Current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 
    • D06F58/22—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 an air-cooled condenser.
  • the present invention more specifically pertains to a laundry treatment machine with an air-cooled condenser having a lint collecting means.
  • Laundry treatment machines with air-cooled condensers are widely practiced in the art. Those machines typically carry out the condensation process by making use of the ambient air in the drying process. The drying process is carried out with the interaction between the cooling air and the closed cycle air having separate cycles.
  • Air laden with moisture that comes from over the laundry then passes through a processing air channel and is hereby condensed in the condenser, the latter being cooled by means of the outer environment air.
  • Dehumidified air is then conventionally supplied to the laundry through the processing air channel.
  • 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.
  • the closed cycle air is dehumidified on the condenser, it is heated by the 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 also travel through the air between the components in the closed cycle such that their collection and elimination requires 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.
  • a filter is disposed on the air circulation path in order to filter out particles.
  • fluff particles generally tend to accumulate around the condenser inlet tube and on the inner surfaces of the same, including air ducts.
  • 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.
  • the present invention provides an arrangement in relation to the laundry treatment machine with an air-cooled condenser having a lint collecting means, 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 with an air-cooled condenser having a lint collecting means.
  • the present invention proposes a lint collecting means disposed within a condenser’s inlet tube in a manner fixed to an internal surface portion thereof. It extends in a planar direction substantially perpendicular to longitudinal axes of drying and cooling channels of the condenser, the latter two being disposed in the main housing in the condenser. It is therefore ensured that the airflow passes over the lint collecting means before moving into the main housing with a 90-degrees turn. Said internal surface portion extends in between a tub connection and said main housing of the condenser.
  • Said lint collecting means is disposed to be facing said main housing of the condenser whereby its location is advantageously suitable for receiving airflow and trapping fluff particles in the moving air. It is a substantially planar plate with protrusions distributed evenly on its surface, said protrusions projecting therefrom to be extending perpendicular to the base plate.
  • the protrusions have outer surfaces that face away said base plate surface and they are slightly inclined with respect to said base plate surface.
  • Fig. 1 demonstrates a general cross-sectional view of the laundry treatment machine according to the present invention.
  • Fig. 2 demonstrates a general cross-sectional view of the air-cooled condenser according to the present invention.
  • Fig. 3 demonstrates a transverse-sectional view of the condenser main housing according to the present invention.
  • Fig. 4 demonstrates a longitudinal-sectional view of the air-cooled condenser with the location of the lint collecting means according to the present invention being indicated with the dashed line.
  • Fig. 5 demonstrates a general perspective view of the lint collecting means according to the present invention.
  • Fig. 6 demonstrates an enlarged detail view of the lint collecting means according to the present invention.
  • the present invention relates to a laundry treatment machine (1) comprising a drum (2), in which the laundry is to be placed and an air circulation duct (4) by means of which circulation of the processing air is provided in order for effecting drying of the laundry in said drum (2).
  • a closed cycle fan (5) conventionally provides the circulation of the processing air such that the processing air is condensed by an air-cooled condenser (8).
  • the cooling air is obtained from an outer air duct (10) by means of an open cycle fan (9).
  • the cooling air is then passed onto the condenser (8) in order to provide the cooling of the same.
  • a heater placed in the air circulation duct (4) provides the dehumidified processing air coming from the condenser (8) to be heated and sent onto the laundry.
  • drying channel (6) Along at least one drying channel (6) through the condenser (8), 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 (7), also passing through the condenser (8) draws heat from said drying channels (6).
  • the cooling air taken from the outer air duct (10) is circulated through the cooling channel (7) by means of said open cycle fan (9).
  • Said drying channels (6) and said cooling channels (7) are disposed in the condenser’s (8) main housing in between a condenser inlet tube (11) and a condenser outlet tube (12).
  • the condenser inlet tube (11) is communicating with the tub (3) through a tub connection (13).
  • the processing air getting humid by passing over the laundry in the drum (2) is sent to the condenser (8) by means of the closed cycle fan (5) through the air circulation duct (4) and passes through the drying channels (6).
  • the condenser (8) condenses and dehumidifies the processing air and the heater then in turn heats the same.
  • the cooling air passes through the cooling channels (7) in the condenser (8) and the cooling channels (7) decreases the temperature of the humid processing air passing through the drying channels (6).
  • fluff particles travelling through the air between the components in the closed air cycle are collected by means of a lint collecting means (14) as explained hereinafter.
  • a lint collecting means (14) is provided for effectively collecting fluff particles and individual fibers in the closed cycle air. It is to be noted that once an effective and reliable arrangement for collecting and trapping lint is ensured, all the fluff particles can be eliminated at once since they are accumulated at a single location.
  • the lint collecting means (14) is disposed within said condenser’s (8) inlet tube (11) such that said lint collecting means (14) is fixedly secured to an internal surface portion of the condenser inlet tube (11). It is substantially in the form of a base plate (15) having a plurality of triangular protrusions (16) symmetrically spaced with respect to each other. Particular triangular shape provides that fluff particles travelling through the air in the direction of the arrow “A” in Fig. 6 are stopped by the bases of said triangular protrusions (16). To this end, any other protrusion form with a projecting stopping surface lying substantially parallel with the surface normal of the base plate (15) and receiving airflow as in the case with the bases of said triangular protrusions (16), would fulfill the same function.
  • the angle between the planar surface of the base plate (15) and the outer surface of the protrusion (16) is preferably less than 30 degrees. Again, any other protrusion form with a surface having a slight inclination with respect to the base plate surface (15) is equally effective in this regard, i.e. for allowing flow of cleaning water.
  • Water flow down through the base plate surface (15) is conventionally realized by means of one or a plurality of water spraying nozzles (not shown) such that a water curtain is provided through the base plate surface (15). Since the internal surface portion of the condenser inlet tube (11) to which the lint collecting means (14) is secured is in fluid communication with the tub (3), said water spraying nozzles are only operated at the end of the laundry treatment process and the tub (3) water containing lint is accordingly conventionally discharged by means of a discharge pump.
  • the present invention proposes a lint collecting means (14) disposed within the condenser’s (8) inlet tube (11) such that the lint collecting means (14) is fixedly secured to an internal surface portion of the condenser inlet tube (11).
  • the lint collecting means (14) is secured in an orientation such that it extends in a planar direction substantially perpendicular to longitudinal axes of said at least one drying channel (6) and said at least one cooling channel (7).
  • Said internal surface portion extends in between the tub connection (13) and the main housing of the condenser (8).
  • the lint collecting means (14) is preferably disposed to be facing the main housing of the condenser (8).
  • the lint collecting means (14) is substantially in the form of a base plate (15) having a plurality of protrusions (16) spaced with respect to each other. Said protrusions (16) have surfaces projecting from the base plate (15) in the manner to be lying substantially parallel with the surface normal of the base plate (15). The protrusions (16) further have surfaces facing away the base plate surface (15), with an inclination with respect to the base plate surface (15).
  • the surfaces facing away the base plate surface (15) preferably have an inclination of less than 30 degrees with respect to the base plate surface (15).
  • the protrusions (16) are preferably of triangular form. They are spaced with respect to each other in a symmetrical manner.
  • the lint collecting means (14) of the invention is aimed at effectively collecting fluff particles and individual fibers in the closed cycle air. It therefore constitutes an effective and reliable solution that eliminates the need for using special filters for collecting and trapping lint as such filters are generally not subject to regular maintenance they are meant to receive. The invention therefore ensures that all the fluff particles are eliminated at once since they are accumulated at a single location.

Landscapes

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

Abstract

La présente invention concerne une machine (1) de traitement de lessive constituée d'un tambour (2) dans lequel la lessive à traiter est placée, un conduit (4) de circulation d'air à travers lequel la circulation de l'air de traitement est effectuée, de façon que le séchage de la lessive soit exécuté à la suite du processus de lavage, ladite machine (1) de traitement de lessive étant constituée en outre d'un ventilateur (5) en cycle fermé faisant circuler l'air de traitement, un condenseur (8) refroidi par air et un conduit (10) d'air extérieur le long duquel un ventilateur (9) en cycle ouvert fonctionne pour délivrer l'air de refroidissement à partir de l'environnement extérieur vers le condenseur (8) afin de fournir le refroidissement de celui-ci, le condenseur (8) refroidi par air étant constitué d'au moins un canal (6) de séchage disposé dans celui-ci à travers lequel l'air de traitement est mis en circulation et au moins un canal (7) de refroidissement disposé dans celui-ci à travers lequel l'air de refroidissement est mis en circulation.
EP13718855.3A 2013-04-29 2013-04-29 Machine de traitement de lessive à condenseur refroidi par air comportant un moyen de collecte des bourres Withdrawn EP2992133A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/058896 WO2014177176A1 (fr) 2013-04-29 2013-04-29 Machine de traitement de lessive à condenseur refroidi par air comportant un moyen de collecte des bourres

Publications (1)

Publication Number Publication Date
EP2992133A1 true EP2992133A1 (fr) 2016-03-09

Family

ID=48190518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13718855.3A Withdrawn EP2992133A1 (fr) 2013-04-29 2013-04-29 Machine de traitement de lessive à condenseur refroidi par air comportant un moyen de collecte des bourres

Country Status (2)

Country Link
EP (1) EP2992133A1 (fr)
WO (1) WO2014177176A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107558091B (zh) * 2016-07-01 2020-11-27 博西华电器（江苏）有限公司 衣物烘干装置
PL3835478T3 (pl) * 2019-12-12 2024-06-10 Arçelik Anonim Sirketi Suszarka do prania
CN113737488B (zh) * 2021-09-06 2022-07-12 珠海格力电器股份有限公司 冷凝式干衣装置及烘干衣物的方法
CN113862953B (zh) * 2021-10-27 2024-07-09 Tcl家用电器（合肥）有限公司 冷凝器以及洗衣机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1217490B (it) * 1988-05-04 1990-03-22 Merloni A Spa Dispositivo di pulizia del condotto di circolazione aria,particolarmente per macchine lavatrici/asciugatrici per biancheria
DE4325209A1 (de) * 1993-07-27 1995-02-02 Bosch Siemens Hausgeraete Zum Trocknen eingerichtete Waschmaschine
EP1353004A1 (fr) * 2002-04-09 2003-10-15 Bonferraro S.p.A. Machine à laver avec circuit de séchage auto-nettoyant
WO2005054563A1 (fr) * 2003-12-05 2005-06-16 Arcelik Anonim Sirketi Machine a laver et a secher comprenant un condenseur et une helice permettant de recueillir les peluches
DE102007024438A1 (de) * 2007-05-25 2008-11-27 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken, insbesondere Waschtrockner
DE102008019388A1 (de) * 2008-04-17 2009-10-22 BSH Bosch und Siemens Hausgeräte GmbH Waschtrockner mit einer belüfteten Trommel
WO2011042345A1 (fr) 2009-10-08 2011-04-14 Arcelik Anonim Sirketi Sèche-linge comportant un filtre à peluches autonettoyant
CN102191674A (zh) * 2010-03-15 2011-09-21 博西华电器（江苏）有限公司 设有烘干程序的衣物处理设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014177176A1 *

Also Published As

Publication number Publication date
WO2014177176A1 (fr) 2014-11-06

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