WO2016188915A1 - Dispositif de pompage pour appareil domestique - Google Patents

Dispositif de pompage pour appareil domestique Download PDF

Info

Publication number
WO2016188915A1
WO2016188915A1 PCT/EP2016/061462 EP2016061462W WO2016188915A1 WO 2016188915 A1 WO2016188915 A1 WO 2016188915A1 EP 2016061462 W EP2016061462 W EP 2016061462W WO 2016188915 A1 WO2016188915 A1 WO 2016188915A1
Authority
WO
WIPO (PCT)
Prior art keywords
impeller
pumping device
drive
pressure chamber
fluid
Prior art date
Application number
PCT/EP2016/061462
Other languages
German (de)
English (en)
Inventor
Alexander Schlitzer
Necdet Patel
Kurt Richter
Original Assignee
BSH Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Hausgeräte GmbH
Priority to PL16727144T priority Critical patent/PL3297510T3/pl
Priority to CN201680029781.4A priority patent/CN107660243B/zh
Priority to RU2017140254A priority patent/RU2672479C1/ru
Priority to EP16727144.4A priority patent/EP3297510B1/fr
Publication of WO2016188915A1 publication Critical patent/WO2016188915A1/fr

Links

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
    • 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
    • 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
    • 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
    • A47L15/4202—Water filter means or strainers

Definitions

  • the present invention relates to a pump device for a household appliance, in particular a washing machine or a dishwasher for laundry or crockery.
  • a washing machine or a dishwasher for laundry or crockery.
  • the efficiency of the washing process is greatly improved by multiple transport of dirt.
  • placing another pump for this additional process always adds overhead.
  • the publication DE1460948 A1 comprises a pump unit for washing machines for selectively conveying the liquid to be pumped by means of changing the direction of rotation of the pump shaft.
  • two pump wheels are arranged, at least one of which is provided with axial blades, each impeller is surrounded by its own, provided with two nozzle pump housing, and wherein the arrangement is such that in each rotational direction in each case only one impeller fluid promotes. It is the object underlying the invention to provide a cost-effective pumping device for a household appliance.
  • the object is achieved with a pumping device, wherein the pumping device has a drive with a first impeller for operating the pumping device in a first operating state with a first conveying direction to pump fluid from the household appliance, and with a second impeller for operating the pumping device in a second Operating state with a second conveying direction to pump fluid within the household appliance comprises, wherein, between the drive and the first impeller, a first freewheel drive and between the drive and the second impeller, a second freewheel drive are arranged in such a manner in dependence of the first or the second Operating state always only the first impeller or drive only the second impeller.
  • An impeller in the sense of this description comprises in particular a propeller enclosed by a ring-shaped or tubular housing.
  • first impeller and the second impeller are formed the same.
  • a coupling or connection between the first impeller and the drive is free from acting in two opposite directions of rotation clutch, in particular free from acting in two opposite directions of rotation and electromagnetically operating clutch.
  • a coupling or connection between the second impeller and the drive is free from acting in two opposite directions of rotation clutch, in particular free from acting in two opposite directions of rotation and electromagnetically operating clutch.
  • the technical advantage is achieved that a mechanical structure is simple and that a simple and reliable connection or coupling between the second impeller and the drive is formed.
  • the first impeller and the second impeller are connected to the drive via a common drive axle.
  • the connection between the drive and the drive axle can be formed particularly easily and at low cost, since no second Drive axle is provided with the drive. This additionally reduces the installation effort of the pumping device during production.
  • the first impeller and the second impeller are arranged on opposite sides of the drive.
  • the pumping device comprises a first pressure chamber which is assigned to the first impeller.
  • a flow of the wash liquor out of the first pressure chamber is generated in the sewage network.
  • the pumping device comprises a second pressure chamber, which is assigned to the second impeller.
  • a flow of the wash liquor is generated out of the second pressure chamber.
  • the wash liquor can then be re-supplied to a washing process in the household appliance.
  • the first pressure chamber and the second pressure chamber are each connected via independent fluid connections with a fluid container, in particular a tub, the home appliance.
  • the pumping device has a common suction chamber for the first pressure chamber and the second pressure chamber.
  • the pumping device has a common suction chamber for the first pressure chamber and the second pressure chamber.
  • only one connecting line between the pumping device and a fluid container of the household appliance is necessary.
  • fluid is sucked from the fluid container into the suction chamber of the pumping device via this connecting line. It does not matter which of the two impellers is operated.
  • a first fluid connection is formed within the pumping device from the suction chamber to the first pressure chamber and a second fluid connection from the suction chamber to the second pressure chamber.
  • a first fluid connection is formed within the pumping device from the suction chamber to the first pressure chamber and a second fluid connection from the suction chamber to the second pressure chamber.
  • the first fluid connection is designed as a suction nozzle.
  • the suction chamber is arranged in the axial direction directly in front of the first pressure chamber. The flow from the suction chamber into the first pressure chamber is determined by the cross section of the suction nozzle.
  • the suction chamber is separated from the first pressure chamber only by a wall, wherein the wall has an opening. This opening is advantageously designed as a suction nozzle.
  • the suction nozzle protrudes into the suction chamber.
  • the second fluid connection is formed in the housing of the pumping device as a channel.
  • this second fluid connection extends in the axial direction over the dimensions of the pumping device from the suction chamber to the second pressure chamber.
  • the second fluid connection opens centrally with respect to the impeller of the second pressure chamber.
  • a common filter device for the first fluid connection to the first pressure chamber and for the second fluid connection to the second pressure chamber is arranged in the suction chamber.
  • This filter device may, for example, have different passage openings for the first and the second fluid connection.
  • the filter device is replaceable.
  • the replaceable filter device can be designed here as a limescale filter, as a lint filter, foreign body trap or as any other filter device.
  • the filter device is arranged accessible to a user.
  • the filter device has properties that allow a user to easily remove them from the domestic appliance, for example by means of a plug or a screw connection, and to replace a clogged or defective filter device with a new filter device.
  • the filter device is manually interchangeable, without having to use a special tool for this purpose.
  • the filter device can be made accessible to a user by an externally accessible control flap.
  • the pumping device is designed to be operated in a third operating state, wherein the first pressure chamber is formed fluidly connected to the second pressure chamber.
  • the pumping device by operating the pumping device and operating the first impeller or second impeller, the first pressure chamber and the second pressure chamber could be cleaned and subjected to additional functional tests.
  • the operation in the third operating state proves particularly advantageous.
  • the freewheel drives which are each arranged between the drive and the first impeller and the drive and the second impeller on the pumping device, the first impeller is adapted to be operated in a first direction of rotation and the second impeller is formed to be operated in a second direction of rotation, which is opposite to the first direction of rotation.
  • the drive comprises a brushless DC motor (BL DC motor).
  • the pumping device comprises a closure for cleaning or maintenance purposes.
  • This closure may be formed here as an alternative or in addition to the already mentioned maintenance or control flap of the household appliance.
  • the pumping device is designed to drive the second impeller via a mechanical movement of the first impeller.
  • This makes it possible, for example, in addition to the already mentioned closure, to provide a functionality of the pump device which provides complete and complete cleaning of the pump device, the first pressure chamber, the second pressure chamber, the first impeller and the second impeller.
  • this could be done by a mechanical connection of the first and the second impeller to realize a power transmission from the first impeller to the second impeller or vice versa.
  • the operation of the first and second freewheel drive could be temporarily suspended to complete the cleaning of the pumping device. Following the cleaning, the mechanical connection could be released again and the original state of the pumping device would be restored.
  • Fig. 1 is a schematic representation of a household appliance with a
  • FIG. 2 is a schematic representation of a pumping device.
  • FIG. 1 shows a schematic representation of a household appliance 100, for example in the form of a washing machine, with a pumping device 103.
  • a fluid container 101 for example in the form of a tub, is arranged, which is used to hold a fluid, for example a Cleaning liquid or a liquor, and a laundry is formed.
  • the pump device 103 which is arranged directly under the fluid container 101, is designed to pump the fluid or the lye liquid out of the fluid container 101 into a sewage network 104.
  • the pump device 103 is designed to circulate the fluid or the lye liquid out of the fluid container 101 within the household appliance 100.
  • the domestic appliance 100 is designed to pump liquor liquid which has been removed from the fluid container 101, as required, back into the fluid container 101, in order to make the liquid again available to a washing process.
  • the pumping device 103 comprises a drive 105, which is designed, for example, as a brushless DC motor (BLDC motor).
  • the drive 105 is powered by a power supply 108.
  • the drive 105 is connected to a first impeller 107 and a second impeller 109.
  • the first impeller 107 and the second impeller 109 in this case have a common drive axis 106, wherein in each case between the drive 105 and each impeller, ie between the drive 105 and the first impeller 107 and between the drive 105 and the second impeller 109 are each arranged on the common drive axle 106, a first freewheel drive 1 19 and a second freewheel drive 121.
  • the first freewheel drive 1 19 and the second freewheel drive 121 which are respectively associated with the first impeller 107 and the second impeller 109 are formed such that the rotation of the common drive shaft 106 by the drive 105 in a first direction of rotation drives only the first impeller 107 , wherein the second impeller 109, is not driven by its associated freewheel drive 121.
  • the drive 105 is operated in a second rotational direction opposite to the first rotational direction, and the common drive shaft 106 connected to the drive 105 is moved in the corresponding second rotational direction, only the second impeller 109 becomes operated via the drive 105.
  • the first impeller 107 is arranged by means of the first freewheel drive 1 19 on the common drive axle 106, this does not rotate with rotation in the second direction of rotation. Consequently, depending on the direction of rotation, with which the drive 105 drives the common drive axle 106, only one of the two impellers, ie either the first impeller 107 when driving the common drive axle 106 in a first direction of rotation or the second impeller 109 when driving the common Drive axle 106 in the opposite or the second direction of rotation, operated.
  • the pumping device 103 In order to operate the first impeller 107 and the second impeller 109 separately from each other, and to use the operation of the pumping device 103 as a function of the direction of rotation for a first and a second conveying direction, the pumping device 103 comprises a first pressure chamber 1 13, which first impeller 107 is assigned, and a second pressure chamber 1 15, which is associated with the second impeller 109.
  • the first pressure chamber 1 13 In order to use the pumping device 103 now to operate with a first conveying direction, for example the removal of a fluid, or a liquor, from the fluid container 101 from the domestic appliance 100 into a sewage network 104, the first pressure chamber 1 13 is connected via a first fluid connection 125 supplied with the suction chamber 124 of the pumping device 103 with fluid.
  • the first pressure chamber 1 13 is associated with the first impeller 107 or the first impeller 107 is disposed in the first pressure chamber 1 13. Der réelle Drucksch 1 13 ist mit dem ersten Impeller 107sky. As a result of the rotation of the first impeller 107, a flow of the Lye liquid from the first pressure chamber 1 13 out into the sewage network 104 generated.
  • a second fluid connection 126 of the Suction chamber 124 of the pumping device 103 with the second pressure chamber 1 15 of the pumping device 103 realized.
  • the second impeller 109 Since the second impeller 109 is located within the second pressure chamber 15, the flow of the liquor liquid in the second conveying direction out of the second pressure chamber 15 is generated by the rotation of the second impeller 109 as a consequence. For example, the liquor liquid can subsequently be supplied to a washing process in the domestic appliance 100 again.
  • the function of the pumping device 103 and the conveying direction of the pumping device 103 can be controlled.
  • a common filter device for the first fluid connection 125 to the first pressure chamber 1 13 and for the second fluid connection 126 to the second pressure chamber 15 1.
  • This filter device may, for example, have different passage openings for the first and the second fluid connection.
  • the filter device can be replaced.
  • the replaceable filter device can be designed here as a limescale filter, as a lint filter, foreign body trap or as any other filter device.
  • the pump device 103 has a closure 123 for cleaning or maintenance of the pump device 103.
  • This closure 123 can be attached to a housing of the pump device 103, for example, by means of a thread or other simple attachment.
  • Such a closure 123 allows improved accessibility of the first impeller 109 to cleaning or to Maintenance purposes. It would also be conceivable, for example, to arrange a further closure on the pump device 103 in order to allow access to the second impeller 109 within the second pressure chamber 15.
  • independent and independently arranged fluid connections between the fluid container 101 and the first pressure chamber 1 13 and the second pressure chamber 1 15 may be provided.
  • the household appliance 100 is particularly susceptible to disturbances caused by blockages. In the event of contamination or clogging of the pumping device 103 thus not necessarily both fluid connections are blocked and consequently not both pressure chambers disturbed. As a consequence, both operating states would not fail and limited operation of the household appliance 100 would still be possible.
  • both the fluid connection for the first pressure chamber 1 13 and the fluid connection for the second pressure chamber 1 15 each have interchangeable filter devices. These are arranged to be accessible to users of the household appliance.
  • the filter devices have properties that allow a user to easily remove them from the domestic appliance 100, for example by a plug or a screw connection, and to replace a clogged or defective filter device with new filter devices.
  • the filter devices are manually interchangeable without having to use a special tool for this purpose.
  • the filter devices could be made accessible to a user by an externally accessible control flap.

Landscapes

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

Abstract

L'invention concerne un dispositif de pompage (103) destiné à un appareil domestique (100). Le dispositif de pompage (103) comporte un entraînement (105) qui est pourvu d'une première roue à aubes (107) destinée à faire fonctionner le dispositif de pompage (103) dans un premier état de fonctionnement présentant un premier sens de transport pour pomper un fluide de l'appareil domestique (100) vers l'extérieur et une seconde roue à aubes (109) destinée à faire fonctionner le dispositif de pompage (103) dans un second état de fonctionnement présentant un second sens de transport pour pomper un fluide à l'intérieur de l'appareil domestique. Un premier entraînement en roue libre (119) est disposé entre l'entraînement (105) et la première roue à aubes (107) et un second entraînement en roue libre (121) est disposé entre l'entraînement (105) et la deuxième roue à aubes (109) pour ne toujours entraîner que la première roue à aubes (107) ou la seconde roue à aubes (109) selon le premier état de fonctionnement ou le second état de fonctionnement.
PCT/EP2016/061462 2015-05-22 2016-05-20 Dispositif de pompage pour appareil domestique WO2016188915A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PL16727144T PL3297510T3 (pl) 2015-05-22 2016-05-20 Urządzenie pompujące do urządzenia gospodarstwa domowego
CN201680029781.4A CN107660243B (zh) 2015-05-22 2016-05-20 用于家用器具的泵设备
RU2017140254A RU2672479C1 (ru) 2015-05-22 2016-05-20 Насосное устройство для бытового прибора
EP16727144.4A EP3297510B1 (fr) 2015-05-22 2016-05-20 Dispositif de pompage pour appareil domestique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015209529.0A DE102015209529A1 (de) 2015-05-22 2015-05-22 Haushaltsgerät
DE102015209529.0 2015-05-22

Publications (1)

Publication Number Publication Date
WO2016188915A1 true WO2016188915A1 (fr) 2016-12-01

Family

ID=56101427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/061462 WO2016188915A1 (fr) 2015-05-22 2016-05-20 Dispositif de pompage pour appareil domestique

Country Status (7)

Country Link
EP (1) EP3297510B1 (fr)
CN (1) CN107660243B (fr)
DE (1) DE102015209529A1 (fr)
PL (1) PL3297510T3 (fr)
RU (1) RU2672479C1 (fr)
TR (1) TR201906553T4 (fr)
WO (1) WO2016188915A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102592650B1 (ko) * 2016-12-16 2023-10-23 엘지전자 주식회사 의류처리장치
CN106948126B (zh) * 2017-04-20 2022-04-22 厦门米海智能科技股份有限公司 一种清洗机
DE102021119676A1 (de) 2021-07-29 2023-02-02 Miele & Cie. Kg Pumpenvorrichtung für ein Haushaltsgerät, umfassend eine erste Pumpe und eine zweite Pumpe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643614A (en) * 1949-09-28 1953-06-30 Gen Electric Motor-driven dual pumping unit
DE1460948A1 (de) 1962-03-16 1969-04-24 Hanning Robert Pumpenaggregat fuer Waschmaschinen
US5184638A (en) * 1990-11-15 1993-02-09 Zanussi Elettrodomestici S.P.A. Dishwasher with reversible motor pumping system
US20100139718A1 (en) * 2008-12-08 2010-06-10 Electrolux Home Products, Inc. Pump device for a dishwasher, and associated apparatus
DE102011050229A1 (de) * 2011-05-10 2012-11-15 Miele & Cie. Kg Wasserweiche

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3704039A1 (de) * 1987-02-10 1988-08-18 Bosch Siemens Hausgeraete Trommelwaschmaschine
JP4952375B2 (ja) * 2007-05-23 2012-06-13 株式会社明電舎 レジスト除去方法及びその装置
CN103244435A (zh) * 2013-06-03 2013-08-14 窦敏江 新型高效率气动水泵

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643614A (en) * 1949-09-28 1953-06-30 Gen Electric Motor-driven dual pumping unit
DE1460948A1 (de) 1962-03-16 1969-04-24 Hanning Robert Pumpenaggregat fuer Waschmaschinen
US5184638A (en) * 1990-11-15 1993-02-09 Zanussi Elettrodomestici S.P.A. Dishwasher with reversible motor pumping system
US20100139718A1 (en) * 2008-12-08 2010-06-10 Electrolux Home Products, Inc. Pump device for a dishwasher, and associated apparatus
DE102011050229A1 (de) * 2011-05-10 2012-11-15 Miele & Cie. Kg Wasserweiche

Also Published As

Publication number Publication date
CN107660243A (zh) 2018-02-02
RU2672479C1 (ru) 2018-11-15
EP3297510A1 (fr) 2018-03-28
EP3297510B1 (fr) 2019-04-17
DE102015209529A1 (de) 2016-11-24
TR201906553T4 (tr) 2019-05-21
PL3297510T3 (pl) 2019-09-30
CN107660243B (zh) 2020-02-14

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