EP1657350A2 - Machine à laver et/ou sécher - Google Patents

Machine à laver et/ou sécher Download PDF

Info

Publication number
EP1657350A2
EP1657350A2 EP05110672A EP05110672A EP1657350A2 EP 1657350 A2 EP1657350 A2 EP 1657350A2 EP 05110672 A EP05110672 A EP 05110672A EP 05110672 A EP05110672 A EP 05110672A EP 1657350 A2 EP1657350 A2 EP 1657350A2
Authority
EP
European Patent Office
Prior art keywords
condensing
unit
air
duct
condensed water
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Withdrawn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
EP05110672A
Other languages
German (de)
English (en)
Other versions
EP1657350A3 (fr
Inventor
Hwang-Mook Cho
Byoung-Yull Yang
Jae-ryong 401-1603 Cheongmyeongmaeul Apt. PARK
Hyung-Gyoon Kim
Sang-Yeon Pyo
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020040092507A external-priority patent/KR100662567B1/ko
Priority claimed from KR1020040093878A external-priority patent/KR100661646B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1657350A2 publication Critical patent/EP1657350A2/fr
Publication of EP1657350A3 publication Critical patent/EP1657350A3/fr
Withdrawn legal-status Critical Current

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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
    • 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 

Definitions

  • the present invention relates to a washing and/or drying machine comprising a drum, a condensing duct in communication with the drum for the circulation of air therethrough and condensing means within the condensing duct to condense air therein.
  • One known type of washing machine is a drum type washing machine in which laundry is washed within a rotating washing tank within a drum.
  • known drum type washing machines are capable of performing various other functions such as rinsing/spinning, dehydrating and drying.
  • heated air is supplied to the inside of a drum to heat the laundry therein which causes high temperature and humid air to be generated.
  • the hot and humid air then undergoes a condensing process in order to optimise the drying efficiency of the drying process.
  • drum type washing machines comprise a drum, a condensing duct in communication with the drum, and a condensed water jetting member provided inside the condensing duct.
  • An elevation limiting projection may be mounted inside the condensing duct to prevent condensing water from being carried with internally circulating air back to the drum and a condensing water collecting projection may be provided on the elevation limiting projection to guide dispersion of the condensing water.
  • the drum type washing machine as described above has a limited effectiveness in blocking the condensing water from passing back to the drum as it uses only the elevation limiting projection provided on the internal wall face of the condensing duct.
  • the condensing water collecting projection is partially mounted on a side of the condensing duct and does not effectively scatter and disperse the condensing water as it flows down from the elevation limiting projection.
  • a washing and/or drying machine is characterised by a baffle plate in the duct to prevent condensate from escaping from the condensation duct in the flow of air passing through the duct.
  • the condensation duct includes an inlet at its lower section and an outlet at its upper section and a condensing section therebetween, the width of the condensing section being greater than the width of the inlet and of the outlet and preferably a condensation dispersion plate is provided across the condensation duct at the inlet comprising a plate with a hole therethrough such that air passing through the inlet can pass through the hole in the condensation plate to disperse water thereon.
  • the hole is formed in the centre of the condensation dispersion plate and preferably the width of the hole is greater than the width of the inlet.
  • the outlet is bent at an angle such that condensation in air flowing out of the outlet may contact the outlet surface and flow back into the condensation duct.
  • a first air flow collection section is formed in the condensing section adjacent to the outlet having a first condensation collection surface such that air flowing through the condensation duct may flow to the first air flow collection section and condensation within the air flow may impinge on the first condensation collection surface and flow back into the condensation duct.
  • a second air flow collection section is formed in the outlet having a second condensation collection surface such that air flowing through the condensation duct may flow to the second air flow collection section and condensation within the air flow may impinge on the second condensation collection surface and flow back into the condensation duct through the outlet.
  • a downwardly depending lip may be provided adjacent to the outlet to disrupt the flow of air passing through the condensation duct in order to collect condensation from the air flow so that it can flow back into the condensation duct.
  • the condensing duct includes a flow blocking plate extending from at least one inside wall thereof around which air flowing through the condensing duct must pass and conveniently the flow blocking plate includes an upstanding projection along an edge thereof remote from the inside wall of the condensing duct to which the flow blocking plate is attached.
  • a space is provided between the flow blocking plate and the upstanding projection.
  • a space is provided between at least one side of the upstanding projection and the adjacent internal wall of the condensing duct.
  • the flow blocking plate is angled downward away from the inside wall of the condensing duct and preferably the condensing duct is narrower at its lower section than at its upper section, the flow blocking plate being disposed in the upper section.
  • the present invention also provides a washing machine comprising: a drum, a condensing duct that communicates with the drum, comprising an air inlet unit, a condensing unit and an air outlet unit which are connected sequentially, a condensed water jetting member provided inside the condensing unit, a backward flow blocking guide provided inside the condensing unit and the condensing unit being provided with a flow width larger than the air inlet unit and the air outlet unit.
  • a condensed water scattering unit in which the condensed water is collected and then scattered is formed on a lower portion of the condensing unit and a condensed water collecting unit to block backward flowing of the condensed water is formed on an upper portion of the condensing unit.
  • the condensing unit has an upper flow width larger than a lower flow width thereof, and the backward flow blocking guide is projected on an upper internal wall face of the condensing unit.
  • the washing machine may further comprise a backward flow blocking projection to block the condensed water formed on an edge portion of the backward water blocking guide from being flown backward by internally circulated air.
  • a space portion is formed between the backward flow blocking guide and the backward flow blocking projection.
  • the backward flow blocking guide and the backward flow blocking projection are preferably integrally connected, and a space portion may be formed between the backward flow blocking projection and an internal wall face of the condensing duct.
  • condensed water scattering plate is provided which is supported by a lower internal wall face of the condensing unit to be positioned on an upper part of the condensed water scattering unit, having an air passing hole communicating with the air inlet unit in a centre region thereof.
  • the air passing hole is preferably sized larger than the air inlet unit.
  • the condensed water scattering plate is preferably arranged perpendicularly to a flowing direction of internally circulated air passing through the condensing duct.
  • the air outlet unit has a bent flow path.
  • a backward flow blocking projection may be formed on a boundary region of the condensed water collecting unit and the air outlet unit.
  • the condensing duct is preferably formed with an auxiliary condensed water collecting unit which is protruded to collect condensed water backwardly flowing after passing through the condensed water collecting unit.
  • the present invention also provides a washing machine comprising a drum; a condensing duct that communicates with the drum, a condensed water jetting member provided inside of the condensing duct and a backward flow blocking guide provided inside the condensing duct, wherein the condensing duct comprises at least one condensed water collecting unit which is protruded to collect condensed water backwardly flowing by internally circulated air.
  • the condensed water collecting unit is provided on top of the backward flow blocking guide.
  • the condensing duct comprises an air inlet unit through which internal air of the drum is flown, a condensing unit through which air flown through the air inlet unit passes, and an air outlet unit through which the air having passed through the condensing unit passes, further comprising an auxiliary condensed water collecting unit which is protruded to collect condensed water backwardly flowing after passing through the condensed water collecting unit.
  • the present invention further provides a dryer comprising a drum, a condensing duct that communicates with the drum, comprising an air inlet unit, a condensing unit and an air outlet unit which are connected sequentially, a condensed water jetting member provided inside the condensing unit, a backward flow blocking guide provided inside the condensing unit; and the condensing unit being provided with a flow width larger than the air inlet unit and the air outlet unit.
  • the condensing duct preferably comprises at least one condensed water collecting unit which is protruded to collect condensed water backwardly flown by internally circulated air.
  • a drum type washing machine comprises a main casing 10, a cylindrical drum 20 mounted inside the main casing 10 and a cylindrical washing tank 22 rotatably mounted within the drum 20, having dehydrating/drainage holes formed through the curved outer wall.
  • a driving motor 23 is provided below a lower part of the drum 20 to rotate the washing tank 22 forwardly or backwardly during washing, rinsing and dehydrating/spinning operations, and a door 24 is installed in an opening in the front of the main casing 10, for opening and closing the opening in the body casing 10.
  • Water supplying units are provided over the top of the drum 20 including water supplying valves 25, water supply tubes 26, a detergent dissolving unit 27, which supply water for washing and also dissolve the detergent in the supplied water.
  • a drying unit is also provided on the top of the drum 20 to dry the laundry after a dehydrating/spinning operation has been completed.
  • the drying unit comprises a blowing fan 70 mounted on the top of the drum 20, a discharging duct 80 connecting the blowing fan 70 to an air inlet 21 a of the drum 20, a heater 60 mounted inside the discharge duct 80 and a condensing duct 30 connecting an air outlet 21b of the drum 20 to the blowing fan 70.
  • a condensing water jetting member 40 is provided in the condensing duct 30 and a condensing water supply tube 42 is connected to the condensing water jetting member 40, supplying the condensing water to the condensing water jetting member 40.
  • air blown through the blowing fan 70 is heated by the heater 60 while passing through the discharging duct 80 and is then supplied to the inside of the drum 20 through the air inlet 21 a, thereby heating and drying the laundry.
  • the high temperature and high humidity air generated in the course of drying the laundry passes into the inside of the condensing duct 30 through the air outlet 21b of the drum 20, and water contained in the air is condensed by the condensing water jetted downward from the condensing water jetting member 40 as the air passes upwards to the blowing fan 70.
  • a draining unit is provided below the lower part of the drum 20 comprising a draining tube 28 and a draining pump 29 to drain the water to outside the washing machine.
  • a backward flow blocking guide 50 is provided inside the condensing duct 30 to block the condensing water jetted from the condensing water jetting member 40 from passing into the drum 20 in suspension in the fast moving circulated air passing upwards through the condensing duct 30. This backward flow may occur when the speed of the internally circulated air is increased in order to enhance the drying efficiency of the washing machine.
  • the condensing duct 30 of the washing machine comprises an air inlet unit 32 through which air from the drum 20 (refer to Figure 2) is supplied, a condensing unit 34 through which air supplied from the air inlet unit 32 passes, and an air outlet unit 36 through which the air having passed through the condensing unit 34 passes.
  • the condensing unit 34 has a flow passage area which is larger than that of the air inlet unit 32 and the air outlet unit 36. This allows the condensed water to be prevented from passing upwards with the air flow and back into the drum 20 and guides the dropping condensing water to be dispersed in the condensing unit.
  • a condensing water scattering unit 34a formed on the bottom of the condensing unit 34 around the air inlet unit 32 which provides a ledge onto which the condensing water is collected and then dispersed in the upwardly flowing air and also by a condensing water collecting unit 34b formed at the top of the condensing unit 34 which provides an abutment surface against which the upwardly circulating air hits to prevent the condensing water passing into the drum 20 by suspension in the air flow.
  • the above configuration causes the majority of the condensing water jetted through the condensing water jetting member 40 and dispersed in the internally circulated air to be blocked from passing into the drum 20 the backward flow blocking guide 50.
  • the condensing water that does pass and is not blocked by the backward flow blocking guide 50 then collides with the condensing water collecting unit 34b formed at the top of the condensing duct 30, and is dropped downwards as the internally circulated air is consequently caused to change in its flow direction.
  • the shape of the condensing water collecting unit 34b may vary within the scope of the invention as necessary to enhance the efficiency of preventing the condensing water passing back into the drum 20, by extending a region where the condensing water collides with an internal wall face of the condensing unit 34 or the number of such regions or units formed may also be varied as appropriate.
  • the condensing unit 34 has an upper flow area that is larger than its lower flow area width so as to change the flow path of the internally circulated air and the backward flow blocking guide 50 projects from an upper internal wall face of the condensing unit 34.
  • the backward flow blocking guide 50 is sufficiently sized to cover the area of the air outlet unit 36 to minimize back flow of the condensing water jetted through the condensing water jetting member 40, and is installed on an incline, so as to allow the condensing water collected in the top face thereof to flow off it.
  • a backward flow blocking projection 52 is provided on the top of the backward flow blocking guide 50 to block the condensing water formed on an edge portion of the backward flow blocking guide 50 from passing back into the drum 20 with the internally circulated air as the air passes through the condensing duct 30.
  • the backward flow blocking projection 52 is sufficiently sized to cover the edge portion of the backward flow blocking guide 50, and its size and shape may also be varied within the scope of the invention to prevent the condensing water formed on the edge portion of the backward flow blocking guide 50 from passing into the drum with the internally circulated air passing through the condensing duct 30.
  • the backward flow blocking projection 52 is preferably arranged perpendicularly to the backward flow blocking guide 50.
  • a space 53a is formed between the backward flow blocking guide 50 and the backward flow blocking projection 52 to allow the condensing water that flows down the top face of the backward flow blocking guide 50 to drop to the lower part of the condensing duct 30 to pass therethrough.
  • the space 53a is such that the condensing water collects in the edge portion of the backward flow blocking guide 50 until a predetermined amount of water is present at which point the weight of the water causes it to flow out through the space 53a.
  • FIG. 4B An alternative arrangement is illustrated in Figure 4B in which the backward flow blocking guide 50 and the backward flow blocking projection 52 may be constructed so that they are integrally connected along their adjacent edges and a space 53b is formed between the backward flow blocking projection 52 and the internal wall face of the condensing duct 30.
  • This construction allows the condensing water that flows downwards along the top face of the backward flow blocking guide 50 to drop to the lower part of the condensing duct 30 through the space 53b.
  • the backward flow blocking guide 50 is preferably installed on an incline in lateral and longitudinal directions to guide the flow of condensing water towards the pace 53b.
  • a condensed water scattering plate 90 is mounted on a lower internal wall face of the condensing unit 34 to enhance the scattering and dispersion of the condensed water in the upward air flow.
  • An outer peripheral edge of the condensed water scattering plate 90 maintains a close contact with the internal wall face of the condensing unit 34 so that the condensing water jetted through the condensing water jetting member 40 can be collected on the ledge forming the top face of the plate 90.
  • An air passing hole 94 is formed in the central region of the condensing water scattering plate 90 and is located above the air inlet unit 32.
  • the internally circulated air passes through the air inlet unit 32 and then through the air passing hole 94 wherein the condensing water collected on the condensing water scattering plate 90 is scattered and dispersed in the air flow.
  • the condensing water scattered in this way is prevented from rising out of the condensing unit 34 by the backward flow blocking guide 50.
  • the size of the air passing hole 94 of the condensing water scattering plate 90 is larger than the size of the air inlet unit 32 of the condensing duct 30, and it is installed perpendicularly to a flowing direction of air passing through the condensing duct 30.
  • the air outlet unit 36 has a bent flow path such that any condensing water which may have managed to reach the air outlet unit 36, not having been caught by the backward flow blocking guide 50 or the condensing water collecting unit 34b, can be caught at the bend in the air outlet unit 36 to prevent being recirculated back to the drum 20.
  • an auxiliary condensing water collecting unit 36b may be formed with the air outlet unit 36 on top of the condensing unit 34.
  • Another backward flow blocking projection 37 is formed on the boundary region of the auxiliary condensing water collecting unit 36b and the air outlet unit 36 to block the condensing water from passing into the air outlet unit 36 through the auxiliary condensed water collecting unit 36b.
  • the condensing water jetted through the condensed water jetting member 40 and scattered/dispersed by the internally circulated air is primarily blocked by the backward flow blocking guide 50 and the condensing water which does pass the backward flow blocking guide 50, is then blocked by the condensing water collecting unit 34b on the upper portion of the condensing unit 34.
  • drum type washing machine having a drying unit
  • the drums of the drum type washing machine and of the dryer perform the same function, and other construction elements may be identical.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP05110672A 2004-11-12 2005-11-11 Machine à laver et/ou sécher Withdrawn EP1657350A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040092507A KR100662567B1 (ko) 2004-11-12 2004-11-12 세탁기
KR1020040093878A KR100661646B1 (ko) 2004-11-17 2004-11-17 세탁기

Publications (2)

Publication Number Publication Date
EP1657350A2 true EP1657350A2 (fr) 2006-05-17
EP1657350A3 EP1657350A3 (fr) 2006-08-09

Family

ID=35705315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05110672A Withdrawn EP1657350A3 (fr) 2004-11-12 2005-11-11 Machine à laver et/ou sécher

Country Status (3)

Country Link
US (1) US20060101870A1 (fr)
EP (1) EP1657350A3 (fr)
RU (1) RU2314372C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2203585A4 (fr) * 2007-09-04 2013-11-27 Lg Electronics Inc Déshumidificateur pour sèche-linge
WO2018103963A1 (fr) 2016-12-08 2018-06-14 Arcelik Anonim Sirketi Machine à laver/sécher le linge avec des performances de séchage améliorées

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20080486A1 (it) * 2008-06-20 2009-12-21 Indesit Co Spa Macchina di lavaggio con dispositivo anti-riflusso
JP5423112B2 (ja) * 2009-04-10 2014-02-19 パナソニック株式会社 水素生成装置
JP2012205775A (ja) * 2011-03-30 2012-10-25 Panasonic Corp 衣類処理装置
CN205223685U (zh) * 2015-12-30 2016-05-11 Tcl家用电器（合肥）有限公司 洗烘一体机
KR102846005B1 (ko) * 2020-03-03 2025-08-13 엘지전자 주식회사 의류 처리장치
CN114775240B (zh) * 2022-04-29 2023-08-08 珠海格力电器股份有限公司 衣物处理装置
JP7830300B2 (ja) * 2022-11-18 2026-03-16 日立グローバルライフソリューションズ株式会社 洗濯乾燥機

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US2644245A (en) * 1949-02-10 1953-07-07 Gen Electric Clothes drier
FR1186970A (fr) * 1956-04-19 1959-09-04 Thomson Houston Comp Francaise Machine à laver à circulation d'air forcée
US3132005A (en) * 1961-03-13 1964-05-05 Gen Electric Clothes dryer condensing system
US3866333A (en) * 1971-09-17 1975-02-18 Siemens Elektrogeraete Gmbh Dehumidifier for air utilized in laundry drying
IT221382Z2 (it) * 1989-12-01 1994-03-16 Zanussi A Spa Industrie Dispositivo di condensazione del vapore per macchine asciugabiancheriao macchine combinate per il lavaggio e l'asciugatura della biancheria
DE4436673B4 (de) * 1994-10-13 2007-02-08 BSH Bosch und Siemens Hausgeräte GmbH Automatische, zum Trocknen eingerichtete Waschmaschine
DE19522307C2 (de) * 1995-06-20 2000-06-08 Bsh Bosch Siemens Hausgeraete Zum Trocknen eingerichtete Wasch- oder Geschirrspülmaschine
JPH11347282A (ja) * 1998-06-05 1999-12-21 Matsushita Electric Ind Co Ltd 洗濯乾燥機
DE60319472T2 (de) * 2002-01-11 2009-04-02 Lg Electronics Inc. Eine Waschmaschine und ein Trockner mit einem verbesserten Kondensationskanal
KR100446773B1 (ko) * 2002-04-24 2004-09-01 엘지전자 주식회사 드럼형 건조세탁기의 통기장치
KR100456953B1 (ko) * 2002-09-10 2004-11-10 삼성전자주식회사 건조장치를 갖춘 드럼세탁기
US7017282B2 (en) * 2003-07-24 2006-03-28 Samsung Electronics Co., Ltd. Drying apparatus and washing machine having the same
EP1524361B1 (fr) * 2003-10-18 2006-10-04 Lg Electronics Inc. Dispositif de condensation pour machine à laver et à sécher
KR100597740B1 (ko) * 2004-06-24 2006-07-07 삼성전자주식회사 세탁기

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2203585A4 (fr) * 2007-09-04 2013-11-27 Lg Electronics Inc Déshumidificateur pour sèche-linge
US9134067B2 (en) 2007-09-04 2015-09-15 Lg Electronics Inc. Dehumidifying apparatus for dryer
US9207014B2 (en) 2007-09-04 2015-12-08 Lg Electronics Inc. Dehumidifying apparatus for dryer
WO2018103963A1 (fr) 2016-12-08 2018-06-14 Arcelik Anonim Sirketi Machine à laver/sécher le linge avec des performances de séchage améliorées

Also Published As

Publication number Publication date
EP1657350A3 (fr) 2006-08-09
RU2005135106A (ru) 2007-05-27
US20060101870A1 (en) 2006-05-18
RU2314372C2 (ru) 2008-01-10

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