EP3172371B1 - Appareil ménager équipé d'un système de transvasement à pompe - Google Patents

Appareil ménager équipé d'un système de transvasement à pompe Download PDF

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Publication number
EP3172371B1
EP3172371B1 EP15727673.4A EP15727673A EP3172371B1 EP 3172371 B1 EP3172371 B1 EP 3172371B1 EP 15727673 A EP15727673 A EP 15727673A EP 3172371 B1 EP3172371 B1 EP 3172371B1
Authority
EP
European Patent Office
Prior art keywords
pumping
recirculating
tub
valve flap
pump
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.)
Active
Application number
EP15727673.4A
Other languages
German (de)
English (en)
Other versions
EP3172371A1 (fr
Inventor
Raymond Römer
Kevin Hahn
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL15727673T priority Critical patent/PL3172371T3/pl
Publication of EP3172371A1 publication Critical patent/EP3172371A1/fr
Application granted granted Critical
Publication of EP3172371B1 publication Critical patent/EP3172371B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • D06F39/085—Arrangements or adaptations of pumps
    • 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
    • D06F39/086—Arrangements for avoiding detergent wastage in the discharge conduit
    • 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
    • D06F39/087—Water level measuring or regulating devices

Definitions

  • the present invention relates to a household appliance with a pumping system which comprises a pump for pumping water in a tub in a pumping direction and a pumping direction.
  • Household appliances such as washing machines, for example, generally comprise two separate pumps which have a common housing and have two drives. With combined pump housings, two motors are flanged. There is no active detection and treatment of foreign bodies in the machine.
  • the pamphlet DE 38 20 409 A1 relates to a device for circulating washing or rinsing liquor in a drum washing machine with drivers built into the drum and with a sump arranged under a drain opening of the tub, which is connected to a pump for emptying the tub into a pumping line.
  • the object on which the invention is based is to specify a household appliance in which a pump is integrated in such a way that it enables both a transfer and a pump-out operation from the household appliance.
  • a household appliance which comprises a pump for pumping water in a tub in a pumping direction and a pumping direction, in which the pumping system has a first valve flap for closing a bottom chamber of the tub in the pumping direction, a second valve flap for closing a filter inlet opening in the pumping direction and a third valve flap for closing a drain channel in the pumping direction.
  • a pumping system which comprises a pump for pumping water in a tub in a pumping direction and a pumping direction, in which the pumping system has a first valve flap for closing a bottom chamber of the tub in the pumping direction, a second valve flap for closing a filter inlet opening in the pumping direction and a third valve flap for closing a drain channel in the pumping direction.
  • a household appliance is understood to mean a device that is used for housekeeping. This can be a large household appliance, such as a washing machine, tumble dryer or dishwasher. But it can also be a small household appliance, such as a water heater, a fully automatic coffee machine or a food processor.
  • the pump comprises an axial or semi-axial pump impeller. This has the technical advantage, for example, that the water can be efficiently conveyed in two opposite conveying directions.
  • the pump can be driven in a first direction of rotation and a second direction of rotation.
  • the technical advantage is achieved that the conveying direction of the water can be changed by changing the direction of rotation.
  • the filter inlet opening is arranged on an underside of the tub. This has the technical advantage, for example, that an accumulation of foreign bodies in the lower area of the tub is prevented.
  • the third valve flap is arranged above the bottom chamber. In this way, for example, the technical advantage is achieved that mixing of water in the lower area of the tub with filtered water in the lower region of the tub is prevented.
  • the household appliance comprises a filter unit for filtering the water in the pumping direction.
  • a filter unit for filtering the water in the pumping direction.
  • the filter inlet opening is arranged in the bottom chamber.
  • the technical advantage is achieved that the water in the bottom chamber is pressed through the filter unit in pumping mode.
  • an outlet of the pump is arranged in the bottom chamber in the pumping direction.
  • the technical advantage is achieved that the water is forced into the bottom chamber in circulation mode.
  • the household appliance comprises a pumping hose for diverting the water around the tub.
  • a pumping hose for diverting the water around the tub.
  • an outlet of the pump-around hose is arranged on an upper side of the tub.
  • the first valve flap is designed to open the bottom chamber of the tub in the pumping direction.
  • the second valve flap is designed to open the filter inlet opening in the pumping direction. This also achieves the technical advantage, for example, that a hydraulic valve flap control with a pump-around and self-cleaning backwash function is achieved.
  • the third valve flap is designed to open the discharge channel in the pumping direction. This also achieves the technical advantage, for example, that a hydraulic valve flap control with a pump-around and self-cleaning backwash function is achieved.
  • the tub comprises a fill level sensor for detecting a water level.
  • the pumping direction is opposite to the pumping direction.
  • Fig. 1 shows a schematic view of a washer-dryer representative of a general household appliance 100.
  • the household appliance 100 comprises an appliance door 125 for loading the household appliance 100 with laundry.
  • the laundry is washed inside the household appliance 100 and then dried.
  • the household appliance 100 comprises a pull-out dispensing bowl 123 into which various liquid substances are added which are supplied to the laundry by means of a water flow during the washing or drying process.
  • the induction bowl 123 is, for example, a pull-out, drawer-like plastic part with a induction bowl.
  • Fig. 2 shows a schematic view of a pumping system with the valve flaps 107-1, 107-2, and 107-3 when pumping out water 103 in a tub 105 in a pumping direction.
  • the tub 105 contains water or washing liquor 103 for cleaning the laundry.
  • the tub 105 comprises a bottom chamber 113 in the lower area, in which the water or the washing liquor 103 collects due to gravity.
  • the valve flap 107-3 is arranged above the bottom chamber 113.
  • the valve flaps 107-1, 107-2 and 107-3 open or close depending on the direction of flow of the water.
  • the valve flap 107-3 has a pivot point on its upper edge, so that the suction from the tub 105 is made possible in the pumping-over operation.
  • the valve flap 107-3 Spring-loaded so that it is closed in the pumping cycle, the pumping path is enabled and the pumping path is closed.
  • a filter inlet opening 109 of a filter unit 117 is located on the underside of the bottom chamber 113.
  • the filter unit 117 is used to filter the water.
  • the filtered water 103 is passed around the tub 105 through a pump-over hose 119 and discharged onto the laundry through an outlet on the top of the tub 105.
  • the water 103 is drained from the tub 105 through a drainage channel 111.
  • a pump 101 and its drive are designed in such a way that it can be operated in a first direction of rotation in the pumping direction and in a second direction of rotation in the pumping direction.
  • a pump impeller 115 of the pump 101 is designed axially or semi-axially, so that a reversal of the direction of rotation also converts the delivery flow. Due to the axial part of the impeller geometry, these different flow directions can be made possible when the direction of rotation is reversed.
  • An outlet 121 of the pump 101 in the pumping direction is located in the bottom chamber 113. The water 103 is drawn in through the outlet 121 in the pumping direction.
  • the water is pumped out in one direction of flow, while the water is circulated in the other direction of flow.
  • the pump circulation system comprises three elastic valve flaps 107-1, 107-2 and 107-3, which open and close depending on the direction of rotation of the pump 101. In the emptying mode, the valve flap 107-1 opens and the valve caps 107-2 and 107-3 close.
  • Fig. 3 shows a schematic view of a pumping system when pumping water 103 in a tub 105 in a pumping direction.
  • the pumping of the washing liquor accelerates the wetting of the laundry at the beginning of a washing process and improves the washing performance in the washing machine.
  • valve flap 107-1 closes while the valve flaps 107-2 and 107-3 open.
  • the water flows through the filter unit 117 in which foreign bodies are collected. After this foreign body trap, the water flows through the pumping hose 119 and is fed back to the tub 105.
  • the valve flap 107-3 is located below the water level, so that the pumping operation can also be ensured.
  • the circulation of the pumping function can not only be used if a pumping function is desired, but also to prophylactically clean the pumping system at regular intervals.
  • This cleaning and backwashing function can be used, particularly in the case of pumping systems that are not accessible to a consumer, in order to transport possible foreign bodies into the filter unit 117 and to prevent blockages. This allows foreign bodies to be filtered out or blockages to be released.
  • the filter unit could be made accessible to the customer, or it could also be designed in such a way that foreign bodies can be stored over the life of the device.
  • the pumping system combines various functional applications.
  • the pump 101 can be used to pump down and circulate and, on the other hand, a function is created to deal with foreign bodies and actively correct errors in the functional sequence of the other two functions.
  • the integration of the pump 101 can take place at any location.
  • the pumping system is particularly suitable for integrated pump systems in which there is no or only limited access to the pump for the consumer, for example for clearing blockages.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (4)

  1. Appareil électroménager (100) avec un système de transvasement qui comprend une pompe (101) destinée au pompage de l'eau (103) dans un compartiment à lessive (105) dans une direction de pompage et une direction de transvasement, caractérisé en ce que le système de transvasement comprend un premier clapet de soupape élastique (107-1) destiné à fermer une chambre inférieure (113) du compartiment à lessive (105) dans la direction de transvasement, un deuxième clapet de soupape élastique (107-2) destiné à la fermeture d'une ouverture d'entrée de filtre (109) dans la direction de pompage et un troisième clapet de soupape élastique (107-3) destiné à la fermeture d'un canal d'écoulement (111) dans la direction de transvasement, dans lequel à travers le canal d'écoulement (111) l'eau (101) peut être déversée à partir du compartiment à lessive (105), dans lequel la pompe (101) peut être entraînée dans une première direction de rotation dans la direction de pompage et une seconde direction de rotation dans la direction de transvasement, dans lequel l'ouverture d'entrée de filtre (109) est disposée au niveau d'un côté inférieur du compartiment à lessive (105), dans lequel l'appareil électroménager (100) comprend une unité de filtre (117) destinée au filtrage de l'eau (103) dans la direction de transvasement, dans lequel l'ouverture d'entrée de filtre (109) est disposée dans la chambre inférieure (113), dans lequel une sortie (121) de la pompe (101) est disposée dans la direction de transvasement dans la chambre inférieure (113), dans lequel l'appareil électroménager (100) comprend un tuyau de transvasement (119) destiné à la déviation de l'eau autour du compartiment à lessive (105), dans lequel une sortie du tuyau de transvasement (119) est disposée au niveau d'un côté supérieur du compartiment à lessive (105), dans lequel les trois clapets de soupape (107-1, 107-2, 107-3) s'ouvrent ou se ferment selon la direction d'écoulement de l'eau (103), dans lequel le troisième clapet de soupape (107-3) est disposé au-dessus de la chambre inférieure (113), dans lequel le troisième clapet de soupape (107-3) présente un point de rotation au niveau de l'arête supérieure de celui-ci, de sorte que l'aspiration lors d'une opération de transvasement à partir du compartiment à lessive (105) est rendue possible pour distinguer entre elles avec certitude les différentes fonctions, le troisième clapet de soupape (107-3) est précontraint par ressort afin qu'ainsi il soit fermé lors du cycle de pompage, la course de pompage est déverrouillée et la course de transvasement est fermée, dans lequel le premier clapet de soupape (107-1) est réalisé pour ouvrir la chambre inférieure (113) du compartiment à lessive (105) dans la direction de pompage, dans lequel le deuxième clapet de soupape (107-2) est réalisé pour ouvrir l'ouverture d'entrée de filtre (109) dans la direction de transvasement, dans lequel le troisième clapet de soupape (107-3) est réalisé pour ouvrir le canal d'écoulement (111) dans la direction de pompage, dans lequel le troisième clapet de soupape (107-3) se trouve en dessous d'un niveau d'eau lors d'une opération de transvasement, de sorte que l'opération de transvasement peut également être assurée.
  2. Appareil électroménager (100) selon la revendication 1, caractérisé en ce que la pompe (101) comprend un rotor de pompe axial ou semi-axial (115).
  3. Appareil électroménager (100) selon l'une des revendications précédentes, caractérisé en ce que le compartiment à lessive (105) comprend un capteur de niveau de remplissage destiné à la détection d'un niveau d'eau.
  4. Appareil électroménager (100) selon l'une des revendications précédentes, caractérisé en ce que la direction de pompage est à l'opposé de la direction de transvasement.
EP15727673.4A 2014-07-23 2015-06-10 Appareil ménager équipé d'un système de transvasement à pompe Active EP3172371B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15727673T PL3172371T3 (pl) 2014-07-23 2015-06-10 Urządzenie gospodarstwa domowego z układem przepompowywania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014214345.4A DE102014214345B3 (de) 2014-07-23 2014-07-23 Haushaltgerät mit einem Umpumpsystem
PCT/EP2015/062944 WO2016012152A1 (fr) 2014-07-23 2015-06-10 Appareil ménager équipé d'un système de transvasement à pompe

Publications (2)

Publication Number Publication Date
EP3172371A1 EP3172371A1 (fr) 2017-05-31
EP3172371B1 true EP3172371B1 (fr) 2021-02-24

Family

ID=53366041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15727673.4A Active EP3172371B1 (fr) 2014-07-23 2015-06-10 Appareil ménager équipé d'un système de transvasement à pompe

Country Status (6)

Country Link
EP (1) EP3172371B1 (fr)
CN (1) CN106536812B (fr)
DE (1) DE102014214345B3 (fr)
PL (1) PL3172371T3 (fr)
RU (1) RU2653486C1 (fr)
WO (1) WO2016012152A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012211970A1 (en) * 2011-02-04 2013-08-29 Unified Brands, Inc. Fluid pump volute diversion system, solids collections system and related methods for a washing machine
JP2021513182A (ja) 2018-04-19 2021-05-20 ディーン・ルイス・ファン−エイ−ウィングＤｅａｎ Ｒｕｉｚ ＦＵＮＧ−Ａ−ＷＩＮＧ 無線水制御システム
US11781940B2 (en) 2018-04-19 2023-10-10 Kairos Water, Inc. Fluid control system

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DE3820409A1 (de) * 1988-06-15 1989-12-21 Bosch Siemens Hausgeraete Vorrichtung zum umwaelzen von wasch- oder spuellauge in einer trommelwaschmaschine
US5493745A (en) * 1994-12-29 1996-02-27 Whirlpool Corporation Recirculation pump system for a washing machine
EP1128759B8 (fr) * 1998-10-16 2004-12-15 Arcelik A.S. Lave-vaisselle a paniers de lavage commandes de maniere independante
CN2410487Y (zh) * 1999-12-03 2000-12-13 杨毅 一种回水阀
US6789404B2 (en) * 2000-09-20 2004-09-14 Samsung Electronics Co., Ltd Washing machine and controlling method therof
CN201254660Y (zh) * 2008-06-24 2009-06-10 沈如君 一种双桶洗衣机的进水分水机构
DE102008040653A1 (de) * 2008-07-23 2010-01-28 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine
KR101162219B1 (ko) * 2009-07-01 2012-07-04 엘지전자 주식회사 세탁장치의 제어방법
FR2951466B1 (fr) * 2009-10-16 2011-12-09 Fagorbrandt Sas Machine a laver comprenant un circuit hydraulique de distribution d'eau pourvu d'un point haut avec une ouverture de passage d'air
CN101769393A (zh) * 2010-03-17 2010-07-07 北京水木能环节能技术有限公司 一种自力式三通阀
CN202247414U (zh) * 2011-08-09 2012-05-30 海尔集团公司 一种用于循环洗洗衣机的自清洁过滤器及其洗衣机
CN203146852U (zh) * 2013-03-15 2013-08-21 胡相兰 带导向的炉水循环泵出口阀

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
RU2653486C1 (ru) 2018-05-08
DE102014214345B3 (de) 2015-07-30
WO2016012152A1 (fr) 2016-01-28
PL3172371T3 (pl) 2021-08-23
EP3172371A1 (fr) 2017-05-31
CN106536812A (zh) 2017-03-22
CN106536812B (zh) 2019-02-12

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