WO2002012609A1 - Lave-linge a plusieurs tambours - Google Patents

Lave-linge a plusieurs tambours Download PDF

Info

Publication number
WO2002012609A1
WO2002012609A1 PCT/TR2001/000039 TR0100039W WO0212609A1 WO 2002012609 A1 WO2002012609 A1 WO 2002012609A1 TR 0100039 W TR0100039 W TR 0100039W WO 0212609 A1 WO0212609 A1 WO 0212609A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
water
washing machine
washing
detergent
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.)
Ceased
Application number
PCT/TR2001/000039
Other languages
English (en)
Inventor
Serdar GÜLER
Adlihan Tartan
Can Yalman
Goncam Sendil
Güzide ERDEN
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
Priority to AU2001282847A priority Critical patent/AU2001282847A1/en
Publication of WO2002012609A1 publication Critical patent/WO2002012609A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • D06F31/00—Washing installations comprising an assembly of several washing machines or washing units, e.g. continuous flow assemblies
    • 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
    • D06F37/30—Driving 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
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the present invention relates to washing machines having more than one drum.
  • the washing machines used in the prior art operate with a single drum.
  • the amount of the laundry that can be washed in the machine is determined according to the loading capacity of said machine.
  • the user separates the laundry in groups according to their types and collects them up to a quantity depending on the washing capacity of the machine, before starting washing.
  • the most important feature that the user requires is to be able to wash the laundry in small quantities with different characteristics, by using less water, less energy and less detergent per unit laundry, in a short time. This feature is provided in the commercially available machines by the short-cycle programs for the "less-dirty" laundries or by "economy" programs for the small quantities of laundry, but this need still is not fully satisfied.
  • the object of the present invention is to ensure that small quantities of laundry with different properties to be washed by using less water, less energy and less detergent per unit laundry, in a short time.
  • Figure 1 is the view of an embodiment wherein the washing machine with more than one drum is driven by a single motor and a magnetic clutch.
  • Figure 2 is the view of an embodiment wherein the washing machine with more than one drum is driven by a single motor and synchromesh.
  • Figure 3 is a diagram showing the washing programs in both drums in case when the washing machine with more than one drum is driven by a single motor and synchromesh.
  • Figure 4 is the view showing the tub and drum of a washing machine with more than one drum, as extruded from a single mould.
  • Figure 5 is a schematical top view of an embodiment wherein two detergent dispensers are used in a washing machine with more than one drum.
  • Figure 6 is a schematical view of an embodiment wherein a single detergent dispenser is used in a washing machine with more than one drum.
  • Figure 7 is a schematical view of an embodiment showing the water intake and drainage systems of a washing machine with more than one drum.
  • Figure 8 is a schematical view of another embodiment showing the water intake and drainage systems of a washing machine with more than one drum.
  • Figure 9 is the view of a washing machine with more than one drum.
  • Figure 10 is the three-dimensional view of a washing machine, wherein the drums are placed consecutively on a horizontal plane.
  • Figure 11 is the three-dimensional schematical view of a washing machine, wherein the drums are placed consecutively on a horizontal plane.
  • Figure 12 is the front schematical view of a washing machine, wherein the drums are placed consecutively on a horizontal plane.
  • the conventional washing machines comprise a drum into which laundry is loaded and a tub in which said drum rotates; whereas the washing machine according to the present invention comprises more than one, separate drums and tubs in which these drums rotate.
  • the washing machine comprises a first drum (1), a first tub (18) in which the first drum rotates, a second drum (5), a second tub (19) in which the second drum rotates.
  • a first drum (1) In these machines, easily soiled and frequently washed clothes can be washed in the second drum without waiting for reaching the washing capacity of the machine.
  • the total washing time can be shortened. In the state of art, in the case of washing laundry using two different programs, is approximately 4 hours; this time period in the washing machines with two drums will be about l A or % of the washing cycle of the single drum machines.
  • the volume of the first drum (1) may be equal to or smaller than that of the second drum(5). Said drums are so designed that they will have washing capacities for different or same quantities of laundry.
  • the tubs (18, 19) that receive the drums (1,5) may be produced separately or as a single piece, preferably as a plastic mono block piece provided with water tightness between the drums (1,5).
  • the washing machine with more than one drum may be driven by one or more than one motors.
  • the number of the motors employed is the same as that of the drums and the system operates by means of the belt and pulley mechanism and damping elements used in the single- drum type machine driven by a single motor.
  • the washing machine with more than one drum is preferably driven by a single motor in order to reduce the cost of the machine and the number of components, as well as to facilitate its manufacturing.
  • the drums are driven by a magnetic clutch.
  • the drive mechanism comprises a first pulley (2) transferring the rotational movement of the motor (10) to the first drum (1) and a first magnetic clutch (3) passing the motion to the first pulley (2); a first gear (4) driving the first magnetic clutch (3), a second pulley (6) passing the rotational motion of the motor to the second drum (5), a second magnetic clutch (7) passing the motion to the second pulley (6), a second gear (8) driving the second magnetic clutch (7); a transfer gear (9) driven by the motor (10) and actuating the first (4) and second gears (8) and the motor (10) to which the transfer gear (9) is connected.
  • the single motor (10) employed in this system is able to rotate both drums (1 and 5) by simultaneously transferring the motion from the transfer gear (9).
  • the first (3) and the second magnetic clutches (7) are controlled by means of micro processors.
  • the drum (1 or 5) that is intended to be rotated is activated by means of the first (3) and/or second magnetic clutch (7) via supplying current to the motor (10).
  • the speed of rotation being one of the most important criteria, can be adjusted according to the amount of the current supplied and the related drum (1 and/or 5) can be stopped by cutting off the supply current. In this manner, both drums (1 and 5) can be used for washing simultaneously or at different times.
  • the system comprises a first pulley (2) transfering the rotational motion of the motor (10) to the first drum (1), a second pulley (6) passing the rotational motion of the motor (10) to the second drum (5), a first gear (4) activating the first pulley (2), a second gear (8) activating the second pulley (16), a synchromesh (11) to which the first (4) and second gears (8) are connected and which passes the rotational movement of the motor (10) to the first (1) or second (5) drums at different times, a transfer gear (9) providing the movement of said synchromesh (11), and' a motor (10) driving said transfer gear (9).
  • Both drums (1,5) can be rotated by using a single motor (10), by means of said synchromesh (11) and the rotational movement of the motor (10) is transmitted to the drums (1,5) by means of the first (4) and second gears (8).
  • the difference between this alternative and the previous one is that, here, the steps of the washing cycles can be optimized by adjusting the ON/OFF time periods.
  • the second drum (5) is switched on during the "off period of the first drum (1); when the same operational principle is considered for both drums (1 and 5), the extension of the program cycles is equal to the difference of phases between two programs, which will be a shorter time period than the sum of the washing cycles of two programs but longer than the washing cycles of each individual washing program. This increase may change depending on various kinds of laundry to be washed.
  • water intake and detergent intake may be attained by using an equal number of detergent dispensers to the number of the drums.
  • water or water-detergent mixture is directed to the first drum (1) via first detergent dispenser (12), a one-way valve (23) located at the hot water inlet (21) of the first detergent dispenser; and a four- way valve (22) placed at the cold water inlet (20) of the first detergent dispenser.
  • water or water-detergent mixture is directed to the second drum (5) via second detergent dispenser (17), a one-way valve (23) located at the hot water inlet (21) of the second detergent dispenser; and a four- way valve (22) placed at the cold water inlet (20) of the second detergent dispenser (17).
  • the detergent dispensers (12 and 17) are divided into 4 comportments, namely; compartments of water softener (13), bleacher (14), washing (15) and pre- washing (16) and optionally they may be divided into 3 compartments wherein one compartment is subdivided as water softener (13) and bleacher (14) compartments.
  • a common detergent dispenser (24) is used to reduce the cost and to occupy a smaller area.
  • the common detergent dispenser (24) comprises a single drawer, a single cold water inlet (20) and a single hot water inlet (21) and one or more than one directing element (25) used to direct water towards the intended compartment. It is possible to supply two or more drums or laundry tubs with detergent or other washing agents by means of said common detergent dispenser (24).
  • This common detergent dispenser (24) has the same number of outlets as the number of the drums. By using partition walls in this compartment, detergents and other means of washing are prevented from mixing with each other.
  • the drawer is so designed that there will be at least three (in cases when the same compartment is used for the bleacher/water softener) and maximum four compartments for each drum, with washing and water softener partitions provided in all of them, whereas pre- washing and bleacher sub divisions will be optional.
  • Different detergents and other supplementary agents are disposed into the partitions of the drawer, depending on the amount, degree of dirtiness, and type of the laundry present in the drum to be used for washing.
  • the directing elements (25) direct water from the cold water valve, towards one of the partitions of the detergent dispenser. Water coming from the hot water valve is also directed by the same or different directing element towards one of the two washing partitions.
  • Water directing system may utilize the conventional components used in the state of art, to direct water.
  • the washing machine comprising more than one drum comprises a first drum water inlet (29) and a second drum water inlet (30) provided for directing water to the first drum (1) and the second drum (5) respectively after entering the detergent dispenser. After the entry of water into the detergent dispenser, it is sent to one or both of the drum(s) (1 and/or 5) through different connections.
  • Water is discharged from the first drum (1) through water drainage channel (31) using a conventional one-way valve (23) located on said water drainage path (31), which avoids any back flow of water while being discharged.
  • water is discharged from the second drum (5) via second drum drainage path (32) using a conventional one-way valve (23) located on said water drainage path (32) which avoids any back flow of water while being discharged.
  • Discharged water is directed to a tank (26) where its dirtiness and temperature are determined by using sensors and then water is directed to the water discharge pump (27) to be sent back to the first (1) or second drums (5), or discharged, by using a conventional three-way valve (28) provided at the outlet of the discharge pump(27).
  • water is sent to one or both of the drums (1 and 5), through the first drum water inlet (29) or the second drum water inlet (30), after entering the detergent dispenser and then after the completion of the washing cycle, water is discharged from both of the drums (1 and 5), through the first drum water drainage path (31) or the second drum water drainage path (32) and sent to the water discharge pump (27) for being discharged.
  • conventional one-way valves (23) are located on the first drum water drainage path (31) or on the second drum water drainage path (32) for preventing any back flow of water while being discharged.
  • a single discharge pump (27) is used but one pump for each drum may also be used. In the latter case, valves are not required to be placed at the drum outlets.
  • the washing machine enables the user to wash different or same quantities, and types of laundry simultaneously, in a shorter time, consuming less energy, water and detergent per unit laundry.
  • the drums which may have the same or different volumes, are preferably placed horizontally but their lay out may be side-by-side, superimposed or at a certain angle. They may also be placed preferably in a diagonal position so that they can operate as weight balancers as well (Figure 9). In another embodiment, the drums are placed consecutively ( Figures 10,11 and 12).
  • the washing machine is of the top-loading type.
  • Drums may also be used for collecting the laundry to be washed.
  • the tubs may be made preferably of plastic material, in a single mould with a mono block structure, which in turn brings a cost advantage and flexibility in production.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un lave-linge comprenant plus d'un tambour séparé et des cuves dans lesquelles lesdits tambours sont placés. Dans un mode de réalisation préféré de l'invention, le lave-linge comprend un premier tambour (1), une première cuve (18) dans laquelle le premier tambour (1) tourne, un second tambour (5) et une seconde cuve (19) dans laquelle le second tambour (5) tourne. Dans ce type de lave-linge, le linge qui se salit facilement et est lavé fréquemment est lavé dans le second tambour (5), sans attendre que la capacité de charge de la machine soit atteinte. Le temps global de lavage est ainsi réduit, l'utilisateur ayant la possibilité de laver simultanément deux différentes sortes de linge dans deux tambours.
PCT/TR2001/000039 2000-08-09 2001-08-07 Lave-linge a plusieurs tambours Ceased WO2002012609A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001282847A AU2001282847A1 (en) 2000-08-09 2001-08-07 Washing machine with more than one drum

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2000/02341 2000-08-09
TR200002341 2000-08-09

Publications (1)

Publication Number Publication Date
WO2002012609A1 true WO2002012609A1 (fr) 2002-02-14

Family

ID=21622638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2001/000039 Ceased WO2002012609A1 (fr) 2000-08-09 2001-08-07 Lave-linge a plusieurs tambours

Country Status (3)

Country Link
AU (1) AU2001282847A1 (fr)
TR (1) TR200300634T1 (fr)
WO (1) WO2002012609A1 (fr)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2065505A1 (fr) * 2007-11-27 2009-06-03 LG Electronics Inc. Machine pour le traitement du linge
EP2065503A1 (fr) * 2007-11-27 2009-06-03 LG Electronics Inc. Appareil de traitement du linge et son procédé de commande
US20100064736A1 (en) * 2007-01-10 2010-03-18 Seong Hae Jeong Laundry device
US7904983B2 (en) * 2006-07-25 2011-03-15 Samsung Electronics Co., Ltd. Method of controlling a multi-tub washing machine
CN102080321A (zh) * 2011-01-26 2011-06-01 海尔集团公司 一种能够控制洗涤桶工作数量的多桶洗衣机
US8215136B2 (en) 2007-06-13 2012-07-10 Lg Electronics Inc. Laundry machine having multiple laundry treatment devices
US8234888B2 (en) 2007-11-21 2012-08-07 Lg Electronics Inc. Washing machine
US8341981B2 (en) 2007-11-21 2013-01-01 Lg Electronics Inc. Washing machine
EP2554738A1 (fr) * 2011-08-01 2013-02-06 Electrolux Home Products Corporation N.V. Machine à laver le linge
KR101414627B1 (ko) 2007-12-03 2014-07-03 엘지전자 주식회사 의류 처리장치
CN104278479A (zh) * 2013-07-09 2015-01-14 海尔集团公司 一种双滚筒洗衣机
CN104278478A (zh) * 2013-07-09 2015-01-14 海尔集团公司 一种双滚筒洗衣机
WO2015003293A1 (fr) * 2013-07-09 2015-01-15 海尔集团公司 Machine à laver à double tambour
US9127395B2 (en) 2007-11-21 2015-09-08 Lg Electronics Inc. Washing machine
EP2980300A4 (fr) * 2013-03-29 2016-03-16 Panasonic Ip Man Co Ltd Machine à laver
CN106256945A (zh) * 2015-06-16 2016-12-28 青岛海尔洗衣机有限公司 一种分洗洗衣机
US9637856B2 (en) 2011-08-01 2017-05-02 Electrolux Home Products N.V. Laundry washing machine
US9663892B2 (en) 2011-08-01 2017-05-30 Electrolux Home Products Corporation N.V. Laundry washing machine
US9790635B2 (en) 2011-08-01 2017-10-17 Electrolux Home Products Corporation N.V. Laundry washing machine with a water softening device
CN107858807A (zh) * 2017-10-30 2018-03-30 北京工商大学 一种具有同时洗功能的滚筒洗衣机及实现同时洗的方法
CN109137382A (zh) * 2017-06-15 2019-01-04 青岛海尔滚筒洗衣机有限公司 一种双滚筒洗衣机
EP3312329A4 (fr) * 2015-06-16 2019-02-20 Qingdao Haier Washing Machine Co., Ltd. Machine à laver ayant des agencements de lavage distincts
DE102008058268B4 (de) 2007-11-21 2019-04-18 Lg Electronics Inc. Waschmaschine
DE102008058267B4 (de) * 2007-11-21 2019-04-18 Lg Electronics Inc. Waschmaschine
WO2019135554A1 (fr) * 2018-01-03 2019-07-11 삼성전자(주) Lave-linge
CN111041767A (zh) * 2019-11-02 2020-04-21 珠海格力电器股份有限公司 一种多桶洗衣装置运行控制方法、计算机可读存储介质及洗衣机
US11118300B2 (en) 2016-01-27 2021-09-14 Lg Electronics Inc. Drive unit of a laundry machine and laundry machine having the same, and a controlling method of the laundry machine
WO2024080886A1 (fr) * 2022-10-14 2024-04-18 Letona Ramos Guido Manuel Laveuse centrifugeuse sécheuse à deux tambours à système de pulvérisation, d'égouttement, et chargement et déchargement automatique
EP4733473A1 (fr) * 2024-10-24 2026-04-29 Xiaomi Technology (Wuhan) Co., Ltd. Appareil de traitement de linge

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EP0688894A1 (fr) * 1994-06-22 1995-12-27 FORON Waschgeräte GmbH Procédé de fonctionnement d'une machine à laver
DE19522438A1 (de) * 1995-06-21 1997-01-02 Foron Hausgeraete Gmbh Waschmaschine in Frontlader-Bauweise

Cited By (60)

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Publication number Priority date Publication date Assignee Title
CN101775729B (zh) * 2006-07-25 2012-06-06 三星电子株式会社 多桶洗衣机的控制方法
EP3760782A1 (fr) * 2006-07-25 2021-01-06 Samsung Electronics Co., Ltd. Procédé de commande d'une machine à laver à cuves multiples
EP3305958A1 (fr) * 2006-07-25 2018-04-11 Samsung Electronics Co., Ltd. Machine à laver à cuves multiples et procédé de commande d'une telle machine
US7904983B2 (en) * 2006-07-25 2011-03-15 Samsung Electronics Co., Ltd. Method of controlling a multi-tub washing machine
US9284673B2 (en) 2006-07-25 2016-03-15 Samsung Electronics Co., Ltd. Method of controlling a multi-tub washing machine
EP1882768A3 (fr) * 2006-07-25 2014-04-23 Samsung Electronics Co., Ltd. Procédé de commande d'une machine à laver à plusieurs cuves
KR101075227B1 (ko) * 2006-07-25 2011-10-19 삼성전자주식회사 2조식 세탁기의 운전제어방법
US20100064736A1 (en) * 2007-01-10 2010-03-18 Seong Hae Jeong Laundry device
US8266930B2 (en) * 2007-01-10 2012-09-18 Lg Electronics Inc. Laundry device
DE102008027977B4 (de) * 2007-06-13 2016-12-08 Lg Electronics Inc. Mehrfachwäschemaschine
US8468860B2 (en) 2007-06-13 2013-06-25 Lg Electronics Inc. Multiple laundry machine
US8215136B2 (en) 2007-06-13 2012-07-10 Lg Electronics Inc. Laundry machine having multiple laundry treatment devices
DE102008058267B4 (de) * 2007-11-21 2019-04-18 Lg Electronics Inc. Waschmaschine
US8341981B2 (en) 2007-11-21 2013-01-01 Lg Electronics Inc. Washing machine
US9127395B2 (en) 2007-11-21 2015-09-08 Lg Electronics Inc. Washing machine
US8234888B2 (en) 2007-11-21 2012-08-07 Lg Electronics Inc. Washing machine
DE102008058268B4 (de) 2007-11-21 2019-04-18 Lg Electronics Inc. Waschmaschine
CN102105632B (zh) * 2007-11-27 2013-11-13 Lg电子株式会社 衣物处理装置及控制该衣物处理装置的方法
AU2008330399B9 (en) * 2007-11-27 2012-01-12 Lg Electronics Inc. Laundry treating device
US8418511B2 (en) 2007-11-27 2013-04-16 Lg Electronics Inc. Drain structure for laundry treating device
RU2421558C1 (ru) * 2007-11-27 2011-06-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Устройство для обработки белья и способ управления им
EP2319973A1 (fr) * 2007-11-27 2011-05-11 LG Electronics, Inc. Machine de blanchisserie et méthode de contrôler
US8627527B2 (en) 2007-11-27 2014-01-14 Lg Electronics Inc. Laundry treating device and method of controlling the same
CN102216515B (zh) * 2007-11-27 2014-01-29 Lg电子株式会社 衣物处理装置
EP2065503A1 (fr) * 2007-11-27 2009-06-03 LG Electronics Inc. Appareil de traitement du linge et son procédé de commande
WO2009069909A3 (fr) * 2007-11-27 2010-11-11 Lg Electronics Inc. Dispositif de traitement du linge
US8856996B2 (en) 2007-11-27 2014-10-14 Lg Electronics Inc. Laundry treating device and method of controlling the same
EP2065505A1 (fr) * 2007-11-27 2009-06-03 LG Electronics Inc. Machine pour le traitement du linge
CN102216515A (zh) * 2007-11-27 2011-10-12 Lg电子株式会社 衣物处理装置
WO2009069908A3 (fr) * 2007-11-27 2010-11-11 Lg Electronics Inc. Dispositif de traitement du linge sale et procédé de commande associé
AU2008330399B2 (en) * 2007-11-27 2011-11-24 Lg Electronics Inc. Laundry treating device
KR101414627B1 (ko) 2007-12-03 2014-07-03 엘지전자 주식회사 의류 처리장치
CN102080321A (zh) * 2011-01-26 2011-06-01 海尔集团公司 一种能够控制洗涤桶工作数量的多桶洗衣机
CN102080321B (zh) * 2011-01-26 2016-03-02 海尔集团公司 一种能够控制洗涤桶工作数量的多桶洗衣机
EP2554738A1 (fr) * 2011-08-01 2013-02-06 Electrolux Home Products Corporation N.V. Machine à laver le linge
US9637856B2 (en) 2011-08-01 2017-05-02 Electrolux Home Products N.V. Laundry washing machine
US9663892B2 (en) 2011-08-01 2017-05-30 Electrolux Home Products Corporation N.V. Laundry washing machine
US9790636B2 (en) 2011-08-01 2017-10-17 Electrolux Home Products Corporation N.V. Laundry washing machine with a water softening device
US9790635B2 (en) 2011-08-01 2017-10-17 Electrolux Home Products Corporation N.V. Laundry washing machine with a water softening device
US10385500B2 (en) 2011-08-01 2019-08-20 Electrolux Home Products Corporation N.V. Laundry washing machine with a water softening device
EP2980300A4 (fr) * 2013-03-29 2016-03-16 Panasonic Ip Man Co Ltd Machine à laver
CN104278478A (zh) * 2013-07-09 2015-01-14 海尔集团公司 一种双滚筒洗衣机
CN104278479B (zh) * 2013-07-09 2017-12-22 青岛海尔滚筒洗衣机有限公司 一种双滚筒洗衣机
WO2015003293A1 (fr) * 2013-07-09 2015-01-15 海尔集团公司 Machine à laver à double tambour
CN104278479A (zh) * 2013-07-09 2015-01-14 海尔集团公司 一种双滚筒洗衣机
US10301756B2 (en) 2013-07-09 2019-05-28 Haier Group Corporation Dual-drum washing machine
EP3312329A4 (fr) * 2015-06-16 2019-02-20 Qingdao Haier Washing Machine Co., Ltd. Machine à laver ayant des agencements de lavage distincts
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