EP4144907A1 - Machine à laver et procédé de fonctionnement d'une machine à laver - Google Patents

Machine à laver et procédé de fonctionnement d'une machine à laver Download PDF

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Publication number
EP4144907A1
EP4144907A1 EP22191737.0A EP22191737A EP4144907A1 EP 4144907 A1 EP4144907 A1 EP 4144907A1 EP 22191737 A EP22191737 A EP 22191737A EP 4144907 A1 EP4144907 A1 EP 4144907A1
Authority
EP
European Patent Office
Prior art keywords
drum
washing machine
compartment
flow
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
EP22191737.0A
Other languages
German (de)
English (en)
Other versions
EP4144907C0 (fr
EP4144907B1 (fr
Inventor
Markus Behr
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP4144907A1 publication Critical patent/EP4144907A1/fr
Application granted granted Critical
Publication of EP4144907C0 publication Critical patent/EP4144907C0/fr
Publication of EP4144907B1 publication Critical patent/EP4144907B1/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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the invention relates to a washing machine according to the preamble of patent claim 1 and a method for operating a washing machine.
  • washing machines are already known from the prior art in a large number of embodiments and comprise a housing, a tub arranged in the housing, a drum which can be rotated about an axis of rotation in the tub for receiving items to be washed, a door for loading and unloading the drum, a water inlet device that can be flow-connected to a source of fresh water and can be controlled by means of a controller of the washing machine for supplying the washing machine with fresh water, a dispenser drawer for flushing detergent into the drum and a circulating device that can be controlled by the controller for circulating a washing suds formed from the detergent and the fresh water.
  • the invention therefore addresses the problem of improving a washing machine and a method for operating a washing machine.
  • a washing machine with the features of claim 1, which is characterized in that the dispenser is arranged on an inside of the door facing the drum and has a first and a second compartment, each for holding detergent, depending on an actuation by means of the controller, the first compartment can be connected in a flow-conducting manner to the flooding device and the second compartment directly to the water inlet device. Furthermore, this problem is solved by a method for operating a washing machine having the features of patent claim 8 .
  • the washing machine according to the invention can be designed as a household appliance or as a commercial appliance, ie a washing machine for professional use.
  • the washing machine can be embodied as a combination appliance for washing and drying items to be washed, namely as a so-called washer-dryer.
  • the items to be washed can in particular be textiles.
  • the advantage that can be achieved with the invention is, in particular, that a washing machine and a method for operating a washing machine are improved.
  • the dispenser is structurally and functionally decoupled from a control panel of the washing machine according to the invention. are accordingly Embodiments of the washing machine according to the invention are conceivable in which the control panel does not have to have an opening for a flushing box. This results in entirely new design possibilities for improving the overall visual impression of the washing machine according to the invention.
  • there is additional installation space for other components of the washing machine behind the control panel of the washing machine which is usually occupied by the flushing box.
  • the washing machine according to the invention can be freely selected in terms of type, mode of operation, material and dimensioning within wide, suitable limits. See, for example, the relevant statements in the introduction to the description.
  • a particularly advantageous development of the washing machine according to the invention provides that the first compartment can be fluidly connected to the flooding device by means of a bypass nozzle device, the bypass nozzle device having a bypass nozzle inlet connected to the bypass device in a flow-guiding manner, a bypass nozzle outlet directly connected to the drum in a flow-guiding manner, and a bypass nozzle outlet connected to the first compartment in a flow-guiding manner connected bypass nozzle outlet, preferably that the two bypass nozzle outlets are designed to be matched to one another in such a way that a main volume flow of the washing suds can be introduced directly into the drum and a secondary volume flow of the washing suds that is smaller than the main volume flow can be introduced into the drum by means of the first compartment.
  • the preferred embodiment of this development also has the advantage that a specific, advantageous volume ratio can be set between the washing suds flushed directly into the drum and the washing suds introduced into the drum by means of the first compartment.
  • the flooding nozzle device can be designed as a component part of the flooding device. However, this is not mandatory.
  • the bypass nozzle device can be arranged on another component of the washing machine, for example the door.
  • an advantageous development of the method according to the invention provides that the washing machine has a flow-conductingly connected to the flow-circulating Umflutdüsen worn according to claim 2 and a main volume flow of the washing suds directly into the drum and compared to the main volume flow smaller Secondary volume flow of the washing suds is introduced into the drum by means of the first compartment.
  • a particularly advantageous development of the aforementioned development of the washing machine according to the invention provides that the flooding device and the flooding nozzle device are designed to be coordinated with one another such that the washing suds can be introduced into the drum and the first compartment as a pendulum jet.
  • a pendulum jet that is advantageous for a washing process in the drum can also be advantageously used for flushing detergent from the first compartment into the drum.
  • the detergent located in the first compartment can be rinsed out of the first compartment essentially completely, ie without leaving any residue, by means of the pendulum jet introduced into the first compartment.
  • an advantageous development of the method according to claim 9 provides that the washing suds are introduced into the drum and the first compartment as a pendulum jet by means of the flooding device and the flooding nozzle device.
  • a further advantageous development of the washing machine according to the invention provides that the second compartment has a siphon mechanism which is designed in such a way that the washing suds from the second compartment can only be introduced into the drum after the second compartment has reached a predetermined filling level with fresh water.
  • a time delay in flushing in the detergent from the second compartment can be implemented in a manner that is simple in terms of design and production technology.
  • the second compartment for a detergent designed as a fabric softener and/or a detergent with certain additives.
  • the siphon mechanism can be used to effectively prevent the detergent from running out of the second compartment prematurely.
  • the water inlet device can be directly fluidly connected to the drum, depending on the activation by means of the controller, via a water path that is independent of the flushing box.
  • a separate pre-wash compartment can be dispensed with in the flushing box.
  • the detergent used for the pre-wash can, for example, be placed in the drum as a capsule or in a detergent ball.
  • bypass nozzle device is arranged on or in a door sealing ring for sealing the tub when the door is closed, preferably that the bypass nozzle device is designed as an integral part of the door sealing ring.
  • the bypass nozzle device can be arranged on the washing machine, for example, independently of the bypass device in a manner that is simple in terms of design and production technology. This applies in particular to the preferred embodiment of this development.
  • a further advantageous development of the washing machine according to the invention provides that the washing machine is designed as a washer-dryer, with a filter for filtering process air for drying the laundry in the drum being arranged in an area of the water inlet device, preferably that the water inlet device and the filter behind are arranged on a control panel of the washing machine, the filter being arranged on the control panel side and the water inlet device being arranged remotely on the control panel behind the filter.
  • the functionality of the washing machine according to the invention is significantly improved.
  • the installation space that is no longer occupied by the flushing box in the washing machine according to the invention is made usable for the aforementioned filter for the process air.
  • the preferred embodiment of this development specifies a particularly user-friendly arrangement of the filter.
  • the washing machine 2 is designed here as a so-called washer-dryer for textiles and comprises a housing 4, a tub 6 arranged in the housing 4, a in the tub 6, rotatable about an axis of rotation, for accommodating items to be washed, namely the textiles, a door 8 for loading and unloading the drum, a water inlet device 10 that can be flow-conductively connected to a source of fresh water and can be controlled by means of a controller of the washing machine 2 for supplying the washing machine 2 with Fresh water, a dispenser box 12 for flushing detergent 14 into the drum, and a circulating device 16 that can be controlled by the controller for circulating a wash liquor 32 formed from the detergent 14 and the fresh water 11.
  • the axis of rotation of the drum, the drum, the items to be washed, the source of fresh water and the controls are in the Figures 1 to 4 not shown.
  • the detergent 14 is only in the 4 shown and designed as a washing powder. However, other forms of detergent known to those skilled in the art are also conceivable.
  • the dispenser 12 is arranged on the inside of the door 8 facing the drum and has a first compartment 18 and a second compartment 20, each for holding detergent 14, with the first compartment 18 having the circulation device depending on activation by the controller 16 and the second compartment 20 can be directly fluidly connected to the water inlet device 10 .
  • the first compartment 18 is designed as a main wash compartment and the second compartment 20 is designed as a softener compartment.
  • the first compartment 18 can be fluidly connected to the flooding device 16 by means of a bypass nozzle device 22, the bypass nozzle device 22 having a bypass nozzle inlet 24 which is fluidically connected to the bypass device 16, a bypass nozzle outlet 26 which is directly fluidly connected to the drum, and a bypass nozzle outlet 26 which is directly connected to the drum in terms of flow flow-conductingly connected bypass nozzle outlet 28, and wherein the two bypass nozzle outlets 26, 28 are designed to be coordinated with one another in such a way that a main volume flow 30 of the wash suds 32 flows directly into the drum and a smaller secondary volume flow 34 of the wash suds 32 in comparison to the main volume flow 30 by means of the first compartment 18 can be introduced into the drum. See in particular the 4 .
  • the bypass nozzle device can be arranged, for example, on or in a door sealing ring, not shown, for sealing the tub when the door is closed, for example in such a way that the bypass nozzle device is designed as an integral part of the door sealing ring.
  • the circulating device 16 and the circulating nozzle device 22 are designed here in such a way that they are coordinated with one another in such a way that the washing suds 32 can be fed into the drum and the first compartment 18 simultaneously as a pendulum jet.
  • the second compartment 20 has a siphon mechanism, not shown, which is known per se to those skilled in the art and which is designed in such a way that the suds 32 from the second compartment 20 can only be introduced into the drum with fresh water 11 after a predetermined degree of filling of the second compartment 20 has been reached.
  • the water inlet device 10 can also be connected directly to the drum in a flow-conducting manner, depending on the actuation by means of the controller, via a water path 36 that is independent of the flushing-in cistern 12 .
  • a pre-wash is thus also made possible in the washing machine 2. Since the dispenser 12 here only has the first and the second compartment 18, 20, ie has no pre-wash compartment, the detergent for the pre-wash, not shown, is simply inserted directly into the drum with the laundry.
  • the washing machine 2 is designed as a so-called washer-dryer.
  • a filter 38 for filtering process air (not shown) for drying the items to be washed in the drum is arranged for this purpose in an area of the water inlet device 10, with the water inlet device 10 and the filter 38 being arranged behind a control panel 40 of the washing machine 2, with the filter 38 being located on the control panel side and the water inlet device 10 is arranged behind the filter 38 remote from the control panel.
  • the 1 and 3 see the 1 and 3 in a synopsis.
  • a user loads the drum of the washing machine 2 with the items to be washed (not shown) and adds the detergent required for the intended prewash directly to the items to be washed in the drum.
  • the user closes the door 8, selects an automatic program for the items to be washed using the control panel 40 in a manner known per se to a person skilled in the art, and starts the automatic program.
  • the water inlet device 10 is controlled by the controller in such a way that fresh water 11 flows from the fresh water source into the water inlet device 10 and, by means of the water inlet device 10, initially via the water path 36 directly into the tub 6 and thus into the drum with the items to be washed and the detergent for the prewash is initiated.
  • the circulating device 16 is actuated by the controller in such a way that the washing suds 32 flow through the circulating nozzle inlet 24 into the circulating nozzle device 22 and, by means of the circulating nozzle outlets 26, 28, on the one hand into a main volume flow 30 introduced directly into the drum and on the other hand into one secondary volume flow 34 introduced into the first compartment 18 of the dispenser 12 is divided.
  • the secondary volume flow 34 flows into the first compartment 18 via an inlet opening 42, takes up the detergent 14 stored in the first compartment 18 for the main wash and channels this out of the first compartment 18 via an outlet opening 44 and into the drum.
  • Both the main volume flow 30 and the secondary volume flow 34 are designed as a pendulum jet.
  • the laundry is then softened.
  • the water inlet device 10 is controlled by the controller in such a way that the fresh water 11 from the fresh water source is introduced directly into the second compartment 20 by the water inlet device 10 .
  • the detergent for the softening process not shown, is not immediately flushed out of the second compartment and introduced into the drum.
  • the second compartment 20 fills with fresh water 11 until the fill level in the second compartment 20 is so high that the siphon mechanism, not shown, allows this detergent to be discharged from the second compartment 20 using the fresh water 11 .
  • the selected automatic program also provides for the items to be washed to be dried in a manner known per se to a person skilled in the art after the end of the washing process. From time to time it may be necessary for the filter 38 for filtering the process air (not shown) used for drying the laundry to be cleaned or even replaced.
  • the filter 38 is arranged at a point on the washing machine 2 that is easily accessible for the user, namely behind the control panel 40 .
  • the filter 38 can be designed like a drawer, for example, so that the user can pull the filter 38 out of the washing machine 2 for cleaning or replacement and then push it back in, analogously to a conventional flushing box in the prior art.
  • the invention is not limited to the present embodiment. See, for example, the relevant statements in the introduction to the description. In particular, the invention is not limited to the specific structural, manufacturing and procedural details of the present exemplary embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP22191737.0A 2021-09-07 2022-08-23 Machine à laver et procédé de fonctionnement d'une machine à laver Active EP4144907B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021123053.5A DE102021123053A1 (de) 2021-09-07 2021-09-07 Waschmaschine und Verfahren zum Betrieb einer Waschmaschine

Publications (3)

Publication Number Publication Date
EP4144907A1 true EP4144907A1 (fr) 2023-03-08
EP4144907C0 EP4144907C0 (fr) 2025-01-29
EP4144907B1 EP4144907B1 (fr) 2025-01-29

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ID=83049880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22191737.0A Active EP4144907B1 (fr) 2021-09-07 2022-08-23 Machine à laver et procédé de fonctionnement d'une machine à laver

Country Status (2)

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EP (1) EP4144907B1 (fr)
DE (1) DE102021123053A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070240456A1 (en) * 2006-04-13 2007-10-18 Samsung Electronics Co., Ltd. Drum washing machine with detergent supply device
EP1951947B1 (fr) * 2006-10-13 2009-03-04 Indesit Company S.p.a. Machine à laver le linge à chargement frontal
DE102019121641A1 (de) * 2019-08-12 2021-02-18 Miele & Cie. Kg Waschmaschine oder Waschtrockner mit einem Waschmitteleinspülsystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004006614T2 (de) 2004-05-18 2008-01-31 Candy S.P.A., Monza Von vorn beschickbare Waschmaschine mit einer Tür, die angepasst ist, um Waschmittel zu enthalten
ITTO20060872A1 (it) 2006-12-07 2008-06-08 Indesit Co Spa Macchina lavabiancheria a carica frontale con dispensatore di agenti di lavaggio nello sportello
US10253443B2 (en) 2016-04-25 2019-04-09 Whirlpool Corporation Laundry treating appliance with closure mounted dispenser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070240456A1 (en) * 2006-04-13 2007-10-18 Samsung Electronics Co., Ltd. Drum washing machine with detergent supply device
EP1951947B1 (fr) * 2006-10-13 2009-03-04 Indesit Company S.p.a. Machine à laver le linge à chargement frontal
DE102019121641A1 (de) * 2019-08-12 2021-02-18 Miele & Cie. Kg Waschmaschine oder Waschtrockner mit einem Waschmitteleinspülsystem

Also Published As

Publication number Publication date
EP4144907C0 (fr) 2025-01-29
EP4144907B1 (fr) 2025-01-29
DE102021123053A1 (de) 2023-03-09

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