EP3670734A1 - Machine de lavage automatique comportant une porte s'ouvrant en biais - Google Patents

Machine de lavage automatique comportant une porte s'ouvrant en biais Download PDF

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Publication number
EP3670734A1
EP3670734A1 EP18000990.4A EP18000990A EP3670734A1 EP 3670734 A1 EP3670734 A1 EP 3670734A1 EP 18000990 A EP18000990 A EP 18000990A EP 3670734 A1 EP3670734 A1 EP 3670734A1
Authority
EP
European Patent Office
Prior art keywords
frame
tub
door
washing machine
washing
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.)
Granted
Application number
EP18000990.4A
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German (de)
English (en)
Other versions
EP3670734B1 (fr
Inventor
Péter RÁCZ
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.)
Betuevetoe Bt
Original Assignee
Betuevetoe Bt
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 Betuevetoe Bt filed Critical Betuevetoe Bt
Priority to EP18000990.4A priority Critical patent/EP3670734B1/fr
Priority to HUE18000990A priority patent/HUE057109T2/hu
Publication of EP3670734A1 publication Critical patent/EP3670734A1/fr
Application granted granted Critical
Publication of EP3670734B1 publication Critical patent/EP3670734B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens
    • 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor
    • 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 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • 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
    • D06F93/00—Counting, sorting, or marking arrangements specially adapted for laundry purposes
    • D06F93/005—Marking 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
    • D06F95/00—Laundry systems or arrangements of apparatus or machines; Mobile laundries 

Definitions

  • the patent application relates to an automatic washing machine with a door opening at an angle, for household and community use, the door of which, when opened, swings out at an angle from the machine frame of the washing machine around a horizontal shaft towards the user, thereby the loading opening of the drum becomes easily accessible.
  • front loading washing machines require a lot of space for opening the door, furthermore the loading and unloading of the laundry involves bending on the part of the user.
  • Top loading washing machines do not require extra space for opening the door in addition to the floorspace they occupy, however, this type of washing machine cannot be built in under e.g. a kitchen counter.
  • European Patent No. EP1365056 relates to a front-loading clothes washing and/or drying machine comprising a supporting and containing structure with a front wall containing a loading aperture covered by a door.
  • the door is connected to the supporting structure by at least one pivoting arm positioned next to one side of the door and connected, by a first end, rotatably to the door and, by a second end, rotatably to the supporting structure.
  • the pivoting arm brings about the movement of the door between a closed position and an open position. When the pivoting arm moves the door to an open position, the loading aperture is completely open.
  • a disadvantage of this solution is that the loading of the laundry into the drum and the unloading of the washed laundry from the drum is just as cumbersome as in the case of traditionally opening front loading washing machines.
  • Patent application No. US20150121970 relates to a drum type washing machine including a housing, an internal housing in the housing, and a withdrawable drum in the internal housing making it more comfortable for the user to load laundry into or unload laundry from the drum.
  • This solution requires an oversized counterweight, and laundry is loaded from the top, similarly to top loading washing machines.
  • An object of the invention is to provide an automatic washing machine that requires little space even with its door open, and allows the customization of operation and appearance as much as possible, as well as comfortable use.
  • the loading or unloading of laundry into or from the drum puts little physical load on the user, as there is no need to bend down so low as in the case of the known front loading washing machines.
  • Another object of the invention is to allow the building in of the washing machine into a specific space, e.g. into a row of kitchen furniture or under a kitchen counter. If the colour of the original door does not suit the user, it can be easily replaced with a door of appropriate colour or quality matching that of the kitchen or bathroom furniture.
  • Another object of the invention is to develop washing machine operating software that, in addition to the known washing programme settings (loading weight, temperature, washing, pre-washing, rinsing, spinning), allows the customization of the use of the washing machine and the recognition of clothes or washing nets loaded into the drum, equipped with a unique identifier, a short-range passive RFID (Radio Frequency IDentification) label, and the setting and performance of a specific washing programme corresponding to the label.
  • the washing programme settings loading weight, temperature, washing, pre-washing, rinsing, spinning
  • the door and with it the drum should swing out at an angle from the housing of the washing machine towards the user, making the loading opening of the drum and the detergent dispenser easily accessible to the user.
  • This is solved by connecting a frame, a tub frame to the machine frame of the washing machine by a shaft, connecting a tub containing a drum to the inner part of the tub frame, and fixing a door to the outer part of the tub frame, by fixing the door to that side of the tub frame where the frame of the washing machine and the tub frame are connected by a shaft.
  • the water space of the washing machine should be properly sealed.
  • the door By opening the door, the door, the tub frame, the tub, and the drum in the tub swing out from the frame of the washing machine together, forming a unit.
  • the door fixed to the tub frame and the washing unit (drum, tub, motor, drive belt, pulley) mounted within the tub frame swing out together towards the user in such a way that the loading opening of the drum faces the user at an angle of about 25 degrees compared to the vertical plane of the machine frame. This allows the most comfortable loading and unloading of the laundry possible (without bending), and requires the least space possible even with the door open.
  • the invention relates to an automatic washing machine, the supporting structure of which is a machine frame, on which the outer cover of the housing is mounted: two side panels, a top panel, and a door, as well as a control front panel above the door, forming a unit with the door.
  • a tub containing a drum is in a separate frame, a tub frame. The lower part of the tub frame towards the door is connected to the lower part of the machine frame by a horizontal shaft or shafts.
  • the tub is located in the tub frame, connected to the tub frame by suspension springs and shock absorbers.
  • the drum is in the tub, connected to a drum shaft.
  • a drive motor with a drive belt and a pulley, water inlet valves, a washing water drain pipe and a washing water pump, a debris filter and a heater, that is the usual parts of a washing machine, are mounted within the tub frame.
  • the tub edge is surrounded by a wide sealing skirt ensuring the watertight sealing of the wobbling tub during operation. Above the tub edge there is a loading opening decor frame, covering the sealing skirt.
  • the water space of the washing machine is covered by a closing panel located above the tub, which ensures that no water leaves the tub or the water space during washing.
  • the door is held in the open position by electromagnetic limit stops.
  • one electromagnetic limit stop is located on the upper, inner part of the machine frame, and the other electromagnetic limit stop on the upper part of either the water space closing element or the tub frame.
  • a detergent and softener dispenser is mounted in the plane of the tub edge. Water is let in, and the detergent and softener are washed into the washing water from the detergent and softener dispenser by means of the water inlet valves located on the upper part of the tub. Washing water or rinsing water is drained by a pump through a washing water outlet pipe connected to the bottom of the tub. A heater for heating the water, and temperature and water level sensors are installed in the lower part of the tub.
  • the main units of an electronic panel equipped with a touch screen, built into the control front panel, are a heavy current and a light current panel, a processor with event-driven software, a RFID (Radio Frequency IDentification) label reader and a speaker.
  • a RFID Radio Frequency IDentification
  • the electronic control tasks controlled by the electronic panel are: operation of the motor and the washing water pump, regulation of the temperature of the washing water, operation of the water inlet valves, operation of the electromagnetic door lock and the electromagnetic limit stops, displaying information on the touch screen, analysis and performance of the commands received via the touch screen and the washing programmes, as well as evaluation of the signals from the sensors located on certain parts of the washing machine, troubleshooting, data storage, and management of Internet or NFC (Near Field Communications) communication.
  • NFC Near Field Communications
  • the software and the RFID reader allow the recognition of clothes equipped with an RFID label, or washing nets equipped with an RFID label, and the setting and performance of a specific washing programme corresponding to the given label.
  • the electromagnetic door lock When the door is opened, the electromagnetic door lock is in a released state. Then the door and the tub frame, together with the washing unit, swing out from the machine frame around a door and tub frame rotation shaft by means of springs to an angle of about 25 degrees compared to the vertical plane, until the electromagnetic limit stops come into contact. When the electromagnetic limit stops come into contact, the software locks the stops, securing the door against accidental closing during loading. The springs are in a non-prestressed state. Then the loading opening of the drum is accessible.
  • a balance weight is built into the back part of the machine frame, which can be e.g. a cement-based slab or a sealable plastic water balloon to be filled by the user before using the washing machine for the first time.
  • the tub frame is connected to the lower part of the machine frame by a shaft, thus when the door is opened, the door fixed to the outer part of the tub frame and the tub mounted within the tub frame swing out from the machine frame together.
  • the closing panel equipped with sealing at its two ends is curved, it is fixed to the machine frame, and covers a curved water space closing element fixed to the upper part of the tub frame.
  • One electromagnetic limit stop is located on the upper, inner part of the machine frame, and the other electromagnetic limit stop on the upper part of the water space closing element.
  • the control front panel of the washing machine is connected on the one hand to the water space closing element, and on the other hand to the door fixed to the tub frame.
  • the tub frame is again connected to the lower part of the machine frame by a shaft, thus when the door is opened, the door fixed to the outer part of the tub frame and the tub mounted within the tub frame swing out from the machine frame together.
  • the closing panel covering the water space is flat, and is directly above the tub edge and the loading opening decor frame.
  • the closing panel and the machine frame are connected to each other by a closing panel moving element, the movement of which is controlled by a closing panel moving element motor. When the door is opened, the closing panel is lifted from the tub and remains fixed to the machine frame.
  • the electromagnetic limit stops are mounted on the inner part of the machine frame and the upper part of the tub frame.
  • the tub frame is again connected to the lower part of the machine frame by a shaft, thus when the door is opened, the door fixed to the outer part of the tub frame and the tub mounted within the tub frame swing out from the machine frame together.
  • the closing panel is connected by hinges to the loading opening decor frame. When the door is opened, the user opens the closing panel manually to gain access to the loading opening of the drum.
  • the electromagnetic limit stops are mounted on the inner part of the machine frame and the upper part of the tub frame.
  • FIG. 1 shows the structural design of the washing machine, with the door in the closed position.
  • the supporting structure of the washing machine is a machine frame 1, within which there is a tub frame 3.
  • the lower front part of the tub frame 3 is connected to the lower front part of the machine frame 1 by a horizontal door and tub frame rotation shaft 22.
  • a tub 5 is connected by four suspension springs 9 to the upper part of the tub frame 3.
  • the suspension springs 9 are connected to lugs 4 fixed to the tub frame 3.
  • the tub 5 contains a drum 6 mounted on a drum shaft 7.
  • a water inlet pipe 32 is connected, via bores under a tub edge 8, through water inlet valves 31 to a detergent dispenser 30 built into the loading opening of the tub 5 in the plane of the tub edge 8.
  • a washing water drain pipe 33 is connected to a washing water pump 24 through a debris filter 21.
  • a shock absorber element 25 is connected to lugs 4 fixed to the tub frame 3.
  • a motor 37 mounted on the lower part of the tub frame 3 drives the drum 6 by a drive belt 35 on a pulley 34 mounted at the end of the drum shaft 7.
  • the lower outer edges of the machine frame 1 are equipped with adjustable legs 23, ensuring that the washing machine is adjusted to be level.
  • a balance weight 40 is screwed to the back part of the machine frame 1.
  • the water space closing element 28 is held firmly above the tub frame 3 by the closing panel 27 fixed to the machine frame 1.
  • An electromagnetic limit stop 13 is located on the upper, inner part of the machine frame 1, and another electromagnetic limit stop 13 on the water space closing element 28.
  • a sealing skirt 17 is installed around the tub edge 8 of the tub 5, on top of which is the water space closing element 28, which has guiding grooves along its two edges for the closing panel 27.
  • a detergent and softener dispenser 30 is located under the tub edge 8, on the outer part thereof.
  • the control front panel 11 of the washing machine is also fixed to the tub frame 3, it is located above the door 19, forming a unit with it.
  • the control front panel 11 includes a control electronic panel 12 and an associated operator touch screen.
  • FIG. 2 shows the structural design of the washing machine, with the door in the open position, then the tub frame 3, together with the elements mounted within it and the water space closing element 28 and the door 19 fixed to it, swings out from the machine frame 1 around the door and tub frame rotation shaft 22, thus the door of the loading opening of the drum 6 and the detergent and softener dispenser 30 become directly accessible.
  • the tilted tub frame 3 is held firmly by the electromagnetic limit stops 13 located below the front edge of the machine frame 1 and on the upper part of the water space closing element 28, the closing panel 27 remains in its original position, firmly fixed to the machine frame 1, it is not movable.
  • Figure 3 shows well that the tub frame 3, with the water space closing element 28 fixed to it, fits into the machine frame 1, where the water space closing element 28 is covered by the curved closing panel 27. It shows well the lugs 4 fixed to the upper and lower parts of the tub frame 3, and the door and tub frame rotation shafts 22 connecting the tub frame 3 to the machine frame 1, the electromagnetic limit stops 13, a cross member 2 strengthening the front side of the tub frame 3, as well as the springs 36 between the machine frame 1 and the tub frame 3.
  • the figure also shows the cover mounted on the machine frame 1.
  • the door 19 and the control panel 11 are on the front side of the machine frame 1, there are side panels 41 on the two sides, and a top panel 42 on the top.
  • FIG 4 shows the curved water space closing element 28, which, together with the closing panel 27 equipped with sealing 15 sliding in its grooves, fixed to the machine frame 1, implements the closing of the water space when the door 19 is in the closed position.
  • the water space closing element 28 slides out from below the closing panel 27, making accessible the loading opening of the washing machine.
  • the machine frame 1 and the closing panel 27 equipped with sealing 15 are connected to each other by a closing panel moving element 43, which closing panel moving element 43 is turned by a closing panel moving element motor 44, and the closing panel 27 and the closing panel moving element 43 are flexibly connected to each other.
  • the electromagnetic limit stops 13 are located on the inner part of the machine frame 1 and the upper part of the tub frame 3.
  • the closing panel 27 equipped with sealing 15 is connected by hinges to the loading opening decor frame 18.
  • the door 19 When the door 19 is opened, the user opens the closing panel 27 manually to gain access to the loading opening of the drum 6.
  • the electromagnetic limit stops 13 are located on the inner part of the machine frame 1 and the upper part of the tub frame 3.
  • the automatic washing machine is used and operated as follows: the user presses the touch screen of the washing machine for 3 seconds to indicate his/her intention of washing, then the software of the washing machine wakes up from the sleeping (stand by) mode, and in response to the 'open the door' command displayed on the touch screen the door opens.
  • the door with the tub frame and the washing unit mounted within it is automatically, slowly opened towards the user by means of the springs fixed to the machine frame and the tub frame, until the stops come into contact.
  • the electromagnetic limit stops close to stabilize the open position.
  • the loading opening of the drum and the detergent and softener dispenser become accessible to the user.
  • the user places the laundry into the drum, closes the drum, fills the detergent and softener dispenser, then manually closes the door of the washing machine until the electromagnetic door lock clicks, in such a way that before closing it he/she touches the touch screen with his/her thumb to release the electromagnetic limit stops.
  • the door is opened, only the limit stop release function is available on the touch screen.
  • the closing of the door is confirmed by a beep, then the washing programmes programmed into the software appear on the touch screen, the user selects one of them, changes any associated washing parameters on the touch screen, if necessary, approves the changes, confirms the start of the washing programme on the touch screen, and the washing programme is performed.
  • an electronic label reader forming a part of the electronic panel confirms the recognition of the label of the washing net by a beep, the programme pre-set for the label of the washing net appears on the display, if the user accepts it (does not overwrite it), the door of the washing machine opens, the washing net can be loaded into the drum through the loading opening, and the washing starts.
  • the label reader of the washing machine If the label reader of the washing machine detects an unknown label, requests the user via a message displayed on the screen to enter a name for the label and set the programme corresponding to the name.
  • the software offers the pre-programmed washing programmes, the washing parameters associated with them can be changed by the user at will, at his/her own risk, or accepted without change.
  • the memory of the processor stores the washing programme corresponding to the label, and will always perform this pre-set washing programme for the washing net equipped with this label, until the user changes the settings for the label.
  • the software of the washing machine according to the invention is also suitable for recognizing RFID labels containing washing parameters, integrated - by the manufacturer, or subsequently by the user - directly into the washing label of the clothes.
  • the software offers on the screen the most appropriate washing programme on the basis of the labels.
  • the machine signals the end of the washing programme - whether or not a washing net is used - by a beep, or by sending a message, if it is connected to the Internet.
  • the door either automatically opens or remains closed, as set by the user, and then the door of the washing machine is opened by the user by touching the screen. If it is connected to the Internet, the door can be opened, and the washing of previously loaded laundry can be started remotely, by means of a mobile phone application.
  • the operator of the washing machine can assign a name to the label belonging to a washing net, in order to identify the user of the washing net. Then the software of the washing machine can collect the washing data by label (washing frequency, energy and water consumption, etc.) and periodically transmit it to the operator of the washing machine for further processing, in order to calculate the washing costs.
  • label washing frequency, energy and water consumption, etc.
  • the user shall be required to enter on the touch screen a verification code associated with his/her label - in order to prevent the misuse of his/her label.
  • the solution according to the invention is especially ideal for community use, as a name can be assigned to the electronic label of washing nets, and the washing done using these washing nets can be collected, added up and invoiced, even over the Internet.
  • the control electronics of the washing machine includes an internal power source, allowing it to remember where the washing programme was interrupted.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP18000990.4A 2018-12-20 2018-12-20 Machine de lavage automatique comportant une porte s'ouvrant en biais Active EP3670734B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18000990.4A EP3670734B1 (fr) 2018-12-20 2018-12-20 Machine de lavage automatique comportant une porte s'ouvrant en biais
HUE18000990A HUE057109T2 (hu) 2018-12-20 2018-12-20 Automata mosógép, szögben nyíló ajtóval

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18000990.4A EP3670734B1 (fr) 2018-12-20 2018-12-20 Machine de lavage automatique comportant une porte s'ouvrant en biais

Publications (2)

Publication Number Publication Date
EP3670734A1 true EP3670734A1 (fr) 2020-06-24
EP3670734B1 EP3670734B1 (fr) 2021-09-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP18000990.4A Active EP3670734B1 (fr) 2018-12-20 2018-12-20 Machine de lavage automatique comportant une porte s'ouvrant en biais

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EP (1) EP3670734B1 (fr)
HU (1) HUE057109T2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638204A (zh) * 2021-08-26 2021-11-12 木卫智能科技(深圳)有限公司 衣物处理设备及其控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1129248A1 (fr) * 1998-11-09 2001-09-05 FISHER & PAYKEL LIMITED Appareil de buanderie se chargeant par le dessus
EP1365056A1 (fr) 2002-05-22 2003-11-26 CANDY S.p.A. Machine à laver à chargement frontal
WO2007108311A1 (fr) * 2006-03-17 2007-09-27 Mitsubishi Electric Corporation Machine a laver
US20150121970A1 (en) 2013-11-06 2015-05-07 Dongbu Daewoo Electronics Corporation Drum type washing machine
US20160177485A1 (en) * 2014-12-17 2016-06-23 Raventech GmbH Washing machine and method for operating a washing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1129248A1 (fr) * 1998-11-09 2001-09-05 FISHER & PAYKEL LIMITED Appareil de buanderie se chargeant par le dessus
EP1365056A1 (fr) 2002-05-22 2003-11-26 CANDY S.p.A. Machine à laver à chargement frontal
WO2007108311A1 (fr) * 2006-03-17 2007-09-27 Mitsubishi Electric Corporation Machine a laver
US20150121970A1 (en) 2013-11-06 2015-05-07 Dongbu Daewoo Electronics Corporation Drum type washing machine
US20160177485A1 (en) * 2014-12-17 2016-06-23 Raventech GmbH Washing machine and method for operating a washing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638204A (zh) * 2021-08-26 2021-11-12 木卫智能科技(深圳)有限公司 衣物处理设备及其控制方法
CN113638204B (zh) * 2021-08-26 2024-03-19 木卫智能科技(深圳)有限公司 衣物处理设备及其控制方法

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Publication number Publication date
EP3670734B1 (fr) 2021-09-08
HUE057109T2 (hu) 2023-11-28

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