EP1029961B1 - Combined washing machine - Google Patents

Combined washing machine Download PDF

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Publication number
EP1029961B1
EP1029961B1 EP99123352A EP99123352A EP1029961B1 EP 1029961 B1 EP1029961 B1 EP 1029961B1 EP 99123352 A EP99123352 A EP 99123352A EP 99123352 A EP99123352 A EP 99123352A EP 1029961 B1 EP1029961 B1 EP 1029961B1
Authority
EP
European Patent Office
Prior art keywords
washing
washing machine
machine according
drying
combined
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.)
Expired - Lifetime
Application number
EP99123352A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1029961A2 (en
EP1029961A3 (en
Inventor
Giovanni Spadoni
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.)
IAR-SILTAL SpA
Original Assignee
IAR-SILTAL SpA
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 IAR-SILTAL SpA filed Critical IAR-SILTAL SpA
Priority to DK99123352T priority Critical patent/DK1029961T3/da
Publication of EP1029961A2 publication Critical patent/EP1029961A2/en
Publication of EP1029961A3 publication Critical patent/EP1029961A3/en
Application granted granted Critical
Publication of EP1029961B1 publication Critical patent/EP1029961B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • D06F29/005—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus the other separate apparatus being a drying appliance
    • 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
    • D06F29/00—Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge 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 

Definitions

  • the present invention relates to a combined washing machine.
  • the present invention relates to a machine especially suitable for laundering linen and of the type used as household appliance, comprising an apparatus intended for drying what has already been laundered.
  • Linen is then removed in these conditions from the drum of the washing machine and hanged out to dry.
  • Such apparatus or drying machine is constituted by a structure having a parallelepiped shape wherein there is rotatably contained a drum, having a volume much greater than that of the washing drums, suitable to house the linen to be dried in one only cycle.
  • the drying means are housed, constituted for instance by air or water condensers, fans and heating elements; the drum is autonomously moved through a conventional motor and the related drive gears.
  • the drying machine must also be provided with devices for activating and controlling the work cycles, humidity condensation systems and the related water drain.
  • EP0747523 discloses a combined washing machine.
  • Object of this invention is to obviate the aforesaid drawbacks.
  • object of this invention is to realize a combined washing machine, especially utilized as household appliance to launder linen, clothing, and the like, incorporating a part suitable to carry out the homogeneous and complete drying of said articles.
  • a further object of the invention is to realize a combined washing machine having compact dimensions, wherein there is used for drying a relevant part of the existing structural and functional elements of the washing machine.
  • a further object of the invention is to realize a washing machine as defined above, suitable to allow the substantial recovery of the calories developed for the drying step, and therefore suitable to markedly reduce the running costs.
  • a further object of the invention is to provide users with a combined washing machine able to ensure a high level of resistance and reliability in the time, and also such as to be easily and economically realized.
  • a combined washing machine which comprises a washing apparatus which defines a space wherein there are contained a tub with the associated rotary drum and access door (19), a motor driving said drum, a pump, a mains water feeding and emptying hose and a box (for the cleansing agents), characterized in that said washing apparatus is associated with a drying machine having in a space a condenser or heat exchanger with at least one coil, connected on the one side to said water hose and on the other side to the washing hub or accumulation tank integral with the machine or external to the same, and one or more fans for the creation of a flow of heated air through at least one or more heating elements, wherein said flow circulates in a duct that incorporates said at least one coil of the heat exchanger and develops around the perimeter of a perforated drum.
  • the combined washing machine of the present invention is basically constituted by a load-bearing cabinet (12), having by way of example a vertically developed parallelepiped form, wherein two zones or spaces 14, 16 are defined, superposed to one another which house the washing means and devices, respectively the ones intended for the drying of linen, clothing and the like.
  • the washing zone is located at the lower level of cabinet 12 and comprises conventional parts that are specific of a washing or laundering machine and that, therefore, will not be described in detail, being substantially well known.
  • tub 18 that houses the rotary drum (not shown) and the related door 19, motor 20 with the associated belt 22, pump 27 and the washing water emptying hose 26, the mains water inlet hose 28, and the cleansing agent distribution box 30.
  • motor 20 with the associated belt 22, pump 27 and the washing water emptying hose 26, the mains water inlet hose 28, and the cleansing agent distribution box 30.
  • Said drying zone 16 basically comprises a rotary drum 32, driven by an electric motor 34 or the like though a belt 36, a fan 38 associated to said motor, suitable to create an air flow around drum 32, heating means (40) for the air flow developed by fan 38 and a condenser or heat exchanger 42.
  • the rotary drum 32 is supported by known means in space 16 and is circumscribed by a perimetric duct 44 along which the air flow circulates that is created by fan 38 and heated by said means 40, advantageously constituted by electric wires located in suitable positions.
  • the perimetric duct 44 is formed, for instance, by pre-shaped panels from plastic material.
  • Drum 32 suitably perforated to allow the inlet and outlet of the heated air flow, rotates in the inside of duct 44, which is provided with suitable sealing gaskets, to form a closed circuit;
  • said gaskets are indicated by 46, 48 and are respectively located in correspondence of opposite mouths 46' and 48' of drum 32.
  • One of said mouths for instance the one indicated by 46', constitutes the heated air inflow front to drum 32, while the opposite mouth 48' circumscribes a conventional opening 50 through which the linen to be dried is let into said drum.
  • a passage 52 is obtained for the air flow which is caused to pass, under the effect of fan 38, in a chamber 44';
  • said chamber which is comprised, by way of example, between opening 50 and fan 38 and which is integral with the perimetric duct 44, houses said condenser or heat exchanger 42, advantageously but not critically constituted by at least one metal coil.
  • Said coil realized from high thermal exchange material such as copper or aluminum or from stainless steel, is connected, at the opposite free ends, respectively to the mains water inlet hose, through a double or double-acting valve 54, 54', and to an accumulation tank 56, installed for instance in the upper part of space 16 above the rotary drum 32.
  • Said tank 56 is connected in its turn, through a tubular body 58 or the like, to the upper part of box 30 of the cleansing agents, with the interposition of a one-way valve 60; said box 30 communicates with the washing tub wherein the drum for the linen to be washed is located.
  • the accumulation tank 56 is provided with a device 66, for instance a pressure switch, suitable to detect the presence of water in its inside.
  • the two-section double or double-acting valve 54, 54' located on the mains water hose 28, controls the alternative direction of said water, conveying the same, according to need, directly to the cleansing agent distribution box 30 or the heat exchanger 42; as concerns water inlet, such alternative is determined through conventional means for the activation of the functions of the combined washing machine 10, said means being located on one only control panel, indicated by 70 in Figure 1.
  • Section 54' of said valve is activated to send water directly into the cleansing agent box 30, while the other section 54 is activated to send water to exchanger 42 and, therefore, to the accumulation tank 56.
  • the water enters the washing tub 18 after having removed the cleansing agent from box 30, allowing to perform a conventional laundering or laundering step; in the second case, the water enters the circuit of exchanger 42 to create the conditions suitable for the drying in the upper zone or space 16 of the combined washing machine.
  • Said valve sections 54, 54' have different capacities; in particular, for the entry of washing water from hose 28, the capacity is sufficiently high and constant, to ensure short loading times, while for the feeding of exchanger 42, the capacity is minimum and continuous, for instance comprised between 0.20 and 0.30 l/min, so as to optimize the heat exchange necessary for the condensation.
  • a cam selective distributor 74 of the known type, schematized in Figure 2 is located in said box.
  • a plurality of variously oriented and/or shaped perforated plates 76 is associated to said box 30, which plates allow the selective passage of water coming from said tubular body 58 and suitably conveyed with known means.
  • the working of the combined machine of the present invention can be easily inferred from the above description, which machine may work as a traditional washing machine, being at the same time provided with a drying sector connected to the washing tub; by carrying on a drying cycle, the result is obtained of heating a high quantity of water that has accumulated in tank 56 and that can be utilized afterwards for the subsequent washing cycle.
  • the hypothesis is first of all made of utilizing the combined machine 10 for the first time for washing purposes, or to utilize the same without having previously carried out a drying cycle.
  • the linen to be laundered it put in the rotary drum of tub 18, i.e. in the lower zone or space 14, and the washing cycle is set traditionally with the controls of panel 70; the mains water enters into said tub, on prior removal from box 30 of the detergents corresponding to the specific operating steps, and is heated, if necessary, with the known and traditional procedures that are characteristic of the washing machines.
  • the selective control knob activates valve 54' that allows to feed with a direct flow into tub 18 the mains water.
  • the washing cycle conventionally concludes with the centrifugation step, following which linen is wet but does not drip.
  • drying cycle there may be a drying cycle, and therefore the same linen is put in the upper zone 16 of the combined machine through door 50 that lets into the rotary drum 32.
  • the start and the running of said drying cycle are controlled by known means, such as a timer and the like, located on the same panel 70.
  • the mains water distributes, with a minimum and continuous capacity, through valve section 54 in exchanger 42, wherein it is invested by a flow of hot air circulating along the perimetric duct 44.
  • the air flow is created by fan 38 and its heating takes place thanks to the heating elements 40 located along the set way of said flow.
  • motor 34 causes, through belt 36, drum 32 containing the linen to rotate.
  • the contact between the hot air and the coil of exchanger 42 determines the formation of water drops that collect at the base of duct 44, whose inclination is suitably conformed, and descend into the washing tub 18 through offtake 64.
  • This quantity of water is then evacuated through the emptying hose 26 contained in the lower washing zone 14 of the combined machine 10.
  • the heat exchange that takes place between the hot air and exchanger 42 causes the heating of the water that continuously circulates in the coil of said exchanger; this quantity absorbs therefore the exchanger heat and flows progressively into the accumulation tank 56.
  • the latter that may possibly be insulated, is preferably so sized as to contain a quantity of water comprised between 25 and 35 liters; once it is completely full, which happens upon conclusion of the drying cycle depending on the water quantity that goes to exchanger 42, the water it contains has, by way of example, an average temperature comprised between 30 and 40°C, according to the experimental checks carried out by the applicant.
  • the accumulation tank 56 is therefore full of clean water, i.e. mains water, at an average temperature not lower than 30-40°C.
  • This quantity of water is advantageously utilized for a subsequent washing and is sufficient for a great part of the cycle; also even it is not utilized within a shot time, the water of tank 56 remains at a temperature higher than that of the mains.
  • the combined machine 10 of the present invention has at its disposal a quantity of water at a temperature much higher than that of the mains, which causes a relevant reduction in heating time and the associated consumption necessary to heat the water at a washing temperature, i.e. about 60°C for standard washing programs.
  • the quantity of water contained in the accumulation tank 56 may be indifferently utilized for the pre-washing, washing and rinsing steps through conventional means for the activation of the one-direction valve 60 which, once opened, allows water to flow along the tubular body 58 that connects said tank 56 to the cleansing agent box 30 and afterwards to the washing tub 18.
  • section 54' of the mains water inlet valve is preferably closed; however, it is possible to provide for said section 54' to be opened for fixed times or in specific steps of the washing cycle, in order to mix the hot water of tank 56, reducing thereby its temperature.
  • water going down from said tank reaches the cleansing agent box 30, it gets in touch with the perforated plates 76 that convey water to one of the sectors of said box containing the cleansing agent suitable for the washing step to be carried out.
  • Tank 56 is provided with a drain or overflow (not shown), connected through known means to the emptying hose 26 of the washing zone 14; said device activates when two drying cycles are carried out after one another, the second of which for linen washed, for instance, by hand. In this case, the accumulation tank 56 must be, in fact, previously emptied.
  • the combined machine of the present invention allows to exploit completely the energy utilized to create the flow of the drying hot water, as it heats simultaneously a high quantity of water to be utilized for the subsequent washing. In this way the energy consumption during the washing step drastically reduces, without increasing that of the drying step. Besides, the linen laundering is more effective, as it is carried out with water already heated since the beginning, and the specific cleansing agents are better utilized.
  • the combined machine of the present invention is extremely compact, as the superposed washing 14 and drying zones 16 are superposed, communicating with each other and contained in one only cabinet.
  • the water-based heat exchanger involves lower costs with respect to the use of an air-based exchanger and less construction difficulties for the sealing between vapor and water circuits.
  • the arrangement of the washing and drying apparatuses or the respective components may be different with respect to what has been described and illustrated; besides, the drying apparatus may be constituted by an autonomous cabinet, associated in any way whatever to the washing apparatus for the recovery of the water heated during the drying step and contained in the accumulation tank.
  • the water heated by heat exchange may be conveyed and accumulated in a tank external to the combined machine and utilized for any purpose whatever.
  • the water heated by heat exchange and possibly also the condensate water may be utilized directly for a cycle started simultaneously or little after the start of a drying cycle; this hypothesis is validly practicable especially if at least a traditional washing machine is running by side of the combined machine of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Centrifugal Separators (AREA)
  • Treatment Of Fiber Materials (AREA)
EP99123352A 1999-02-16 1999-11-23 Combined washing machine Expired - Lifetime EP1029961B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK99123352T DK1029961T3 (da) 1999-02-16 1999-11-23 Kombineret vaskemaskine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI990304 1999-02-16
IT1999MI000304A IT1308701B1 (it) 1999-02-16 1999-02-16 Macchina di lavaggio combinata

Publications (3)

Publication Number Publication Date
EP1029961A2 EP1029961A2 (en) 2000-08-23
EP1029961A3 EP1029961A3 (en) 2002-04-17
EP1029961B1 true EP1029961B1 (en) 2005-02-23

Family

ID=11381902

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123352A Expired - Lifetime EP1029961B1 (en) 1999-02-16 1999-11-23 Combined washing machine

Country Status (8)

Country Link
EP (1) EP1029961B1 (xx)
AT (1) ATE289637T1 (xx)
DE (1) DE69923830T2 (xx)
DK (1) DK1029961T3 (xx)
ES (1) ES2239425T3 (xx)
IT (1) IT1308701B1 (xx)
PT (1) PT1029961E (xx)
TR (1) TR199903165A2 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006241367B2 (en) * 2005-11-25 2009-01-29 Lg Electronics Inc. A single body washing machine and dryer device and a method for controlling the same
WO2017219999A1 (zh) * 2016-06-22 2017-12-28 青岛海尔洗衣机有限公司 一种洗衣干衣一体机及其控制方法

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KR20020085444A (ko) * 2001-05-08 2002-11-16 주식회사 엘지이아이 가전기기의 응축수 재생시스템
KR100474328B1 (ko) * 2002-04-24 2005-03-08 엘지전자 주식회사 드럼형 세탁 및 건조장치
ITMI20021193A1 (it) * 2002-06-03 2003-12-03 Candy Spa Macchina di lavaggio e di asciugatura
EP1524356A1 (en) * 2003-10-18 2005-04-20 Lg Electronics Inc. Drum type washing and drying apparatus
KR101041905B1 (ko) * 2004-06-04 2011-06-15 주식회사 대우일렉트로닉스 건조장치가 구비된 드럼 세탁기용 받침대
KR101041904B1 (ko) * 2004-06-04 2011-06-15 주식회사 대우일렉트로닉스 건조장치가 구비된 드럼 세탁기용 받침대
JP2006026407A (ja) 2004-07-20 2006-02-02 Samsung Electronics Co Ltd ドラム洗濯機
KR100662364B1 (ko) * 2004-11-01 2007-01-02 엘지전자 주식회사 세탁 및 건조 장치
KR100595234B1 (ko) 2004-11-15 2006-07-03 엘지전자 주식회사 세탁 장치의 운전 제어 방법
DE102005055867B4 (de) * 2005-11-23 2009-07-09 Lg Electronics Inc. Wäschevorrichtung
EP2064383B1 (en) * 2006-08-23 2016-03-23 LG Electronics Inc. Multiple laundry machine
CN101297075A (zh) * 2006-11-07 2008-10-29 Lg电子株式会社 干衣机的供水装置及其控制方法
EP2298981B1 (en) * 2007-01-10 2013-04-24 LG Electronics Inc. Laundry device
KR101328953B1 (ko) * 2007-01-10 2013-11-14 엘지전자 주식회사 세탁장치
KR100879572B1 (ko) * 2007-08-06 2009-01-22 엘지전자 주식회사 의류처리 시스템 및 이의 급수 제어방법
KR100898930B1 (ko) * 2007-09-04 2009-05-26 엘지전자 주식회사 건조기의 온습도 조절 장치
DE102008006111A1 (de) * 2008-01-25 2009-07-30 BSH Bosch und Siemens Hausgeräte GmbH Hausgerätekombination mit mindestens zwei Hausgeräten sowie Verfahren zu ihrem Betrieb
KR101431441B1 (ko) * 2008-06-27 2014-08-20 동부대우전자 주식회사 응축식 건조장치 및 이를 구비하는 세탁기
EP2196126A1 (en) 2008-12-12 2010-06-16 Electrolux Home Products Corporation N.V. A system with at least two household appliances
DE102008054820B4 (de) * 2008-12-17 2014-05-22 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einer Einspüleinrichtung mit einer Warm- und/oder Trockenlufteinheit
PL2199453T3 (pl) * 2008-12-17 2012-02-29 Electrolux Home Products Corp Nv Urządzenie gospodarstwa domowego
ITRN20110054A1 (it) * 2011-08-05 2013-02-06 Indesit Co Spa Elettrodomestico
ITPR20120005U1 (it) * 2012-10-08 2014-04-09 Indesit Co Spa Elettrodomestico di lavaggio e asciugatura di panni.
CN104928883A (zh) * 2014-03-20 2015-09-23 海尔集团公司 一种热泵式洗干一体机
WO2017219998A1 (zh) * 2016-06-22 2017-12-28 青岛海尔洗衣机有限公司 一种洗衣干衣一体机及其控制方法
CN107523961B (zh) * 2016-06-22 2022-12-09 青岛胶南海尔洗衣机有限公司 一种洗衣干衣一体机及其控制方法
CN109518407A (zh) * 2017-09-18 2019-03-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机及其控制方法
CN109518408B (zh) * 2017-09-18 2022-05-13 青岛海尔洗涤电器有限公司 一种衣物洗干一体机及其控制方法
CN109518409B (zh) * 2017-09-18 2021-12-14 青岛海尔洗涤电器有限公司 一种衣物洗干一体机及其控制方法
CN110055709A (zh) * 2018-01-18 2019-07-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机
CN110055712A (zh) * 2018-01-18 2019-07-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机
CN111945367B (zh) * 2019-05-15 2022-09-09 青岛海尔洗衣机有限公司 一种衣物处理设备的控制方法
CN110761027A (zh) * 2019-10-10 2020-02-07 无锡小天鹅电器有限公司 衣物处理装置
CN110656465A (zh) * 2019-10-10 2020-01-07 无锡小天鹅电器有限公司 衣物处理装置
KR102562190B1 (ko) 2020-02-19 2023-08-01 엘지전자 주식회사 의류처리장치
CN115404636A (zh) * 2021-05-28 2022-11-29 Lg电子株式会社 衣物处理装置
CN115404634A (zh) * 2021-05-28 2022-11-29 Lg电子株式会社 衣物处理装置
EP4375408A1 (en) * 2022-11-22 2024-05-29 Arçelik Anonim Sirketi A washing machine connected to a laundry dryer and the control method thereof

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IT1246258B (it) * 1990-06-27 1994-11-17 Zanussi Elettrodomestici Procedimento e impianto per la condensazione dell'umidita' in macchine lavabianceria.
EP0747523B1 (de) * 1995-06-10 1999-04-28 Miele & Cie. GmbH & Co. Wäschebehandlungsgerät zum Waschen und Trocknen von Wäsche

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006241367B2 (en) * 2005-11-25 2009-01-29 Lg Electronics Inc. A single body washing machine and dryer device and a method for controlling the same
WO2017219999A1 (zh) * 2016-06-22 2017-12-28 青岛海尔洗衣机有限公司 一种洗衣干衣一体机及其控制方法

Also Published As

Publication number Publication date
DK1029961T3 (da) 2005-05-09
DE69923830D1 (de) 2005-03-31
TR199903165A2 (xx) 2000-09-21
ES2239425T3 (es) 2005-09-16
PT1029961E (pt) 2005-05-31
IT1308701B1 (it) 2002-01-10
DE69923830T2 (de) 2005-12-29
EP1029961A2 (en) 2000-08-23
ATE289637T1 (de) 2005-03-15
ITMI990304A1 (it) 2000-08-16
EP1029961A3 (en) 2002-04-17

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