EP1247993A2 - Pompe, en particulier pompe centrifuge de circulation pour appareils ménagers utilisant de l'eau - Google Patents

Pompe, en particulier pompe centrifuge de circulation pour appareils ménagers utilisant de l'eau Download PDF

Info

Publication number
EP1247993A2
EP1247993A2 EP02005593A EP02005593A EP1247993A2 EP 1247993 A2 EP1247993 A2 EP 1247993A2 EP 02005593 A EP02005593 A EP 02005593A EP 02005593 A EP02005593 A EP 02005593A EP 1247993 A2 EP1247993 A2 EP 1247993A2
Authority
EP
European Patent Office
Prior art keywords
pump
housing
circulation pump
pump housing
impeller
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
EP02005593A
Other languages
German (de)
English (en)
Other versions
EP1247993A3 (fr
EP1247993B1 (fr
Inventor
Walter Assmann
Ulrich Hettenhausen
Volker Marks
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 EP1247993A2 publication Critical patent/EP1247993A2/fr
Publication of EP1247993A3 publication Critical patent/EP1247993A3/fr
Application granted granted Critical
Publication of EP1247993B1 publication Critical patent/EP1247993B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
    • 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
    • A47L15/4285—Water-heater arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps

Definitions

  • the invention relates to a pump, in particular a centrifugal pump as a circulation pump for water-bearing household appliances, such as dishwashers or washing machines, which with an electrical heating device inside the pump housing for heating the rinse water is formed, and in which the pump housing with suction and discharge nozzle and with a radially compressing impeller rotating in the housing for the transport of the Rinsing liquid is provided.
  • a pump in particular a centrifugal pump as a circulation pump for water-bearing household appliances, such as dishwashers or washing machines, which with an electrical heating device inside the pump housing for heating the rinse water is formed, and in which the pump housing with suction and discharge nozzle and with a radially compressing impeller rotating in the housing for the transport of the Rinsing liquid is provided.
  • the exposed in Pump pressure space arranged heater also limits the accommodation or Arrangement of the pressure nozzle on the pump housing significantly and also creates a high Construction volume of the pump room with an undesirably large unused free or dead space. The invention is also intended to remedy this.
  • the invention therefore presents the problem of a circulation pump with a small overall volume and a good pump efficiency and optimal flow conditions of the tubular heating elements to create the integrated heating device.
  • the rotational symmetry of the pump housing Due to the rotational symmetry of the pump housing, a simple modular construction is possible for everyone Pump components possible.
  • the symmetry of the pump chamber results in a largely parallel inflow of the tubular wound radiators with respect to their longitudinal axis the heating device integrated in the pump housing, which causes eddy formation and Flow separations that can lead to local overheating can be effectively avoided.
  • the rotationally symmetrical as flow-calmed pressure space favors partitioned pump room in which the heating device is located, the uniform Flow with good heat dissipation with low wall friction on the heating pipes, so that the pump efficiency is not adversely affected.
  • a known pump shown in Figure 1, in particular a centrifugal pump as Circulation pump (1) for water-bearing household appliances, such as dishwashers or Washing machine is with an electric heater (2) inside the pump housing (3) designed for rinsing water heating, the pump housing (3) with Intake and discharge nozzle (4 or 5, 5 ') and with a radial compression in the housing Impeller (6) is provided for the transport of the rinsing liquid.
  • the heating device (2) for heating flushing or used in the above-mentioned water-carrying device Cleaning liquid is in the pump housing (3) in the water flow of the circulation pump (1) installed between the intake port (4) and the pressure port (5, 5 ') and as one of the flushing liquid flushed tubular heater (7) formed.
  • the tubular heating element (7) is annular all around preferably in the manner of a wound solenoid with one or more turns wound and concentrically surrounds the impeller (6).
  • Such a coiled tubular heater (7) Heating device (2) is advantageously in the pump housing (3), for example Pump cover mounted, the electrical connections (9) insulated and the liquid-tight Reach through the cup-shaped housing wall of the pump housing (3).
  • the pump housing (3) is for the build-up of pressure of the rinsing liquid to be pumped in the usual design in a helical shape designed and detachably mounted on the motor housing (10) of the pump.
  • the in the pump housing (3) arranged heating device with the exposed flushed tubular heater (7) forms the surrounding pump housing (3) a water heater with good power utilization and with high efficiency, because all the heat in the rinse water circulation on the Rinsing liquid is transferred directly.
  • the pump efficiency is not as optimal to view, because between the inside of the pump housing (3) in the free water flow Intake and discharge nozzle (4 or 5, 5 ') of the pump arranged tubular heater (7) one uncontrollable swirling of the flowing rinsing liquid due to the exposure Generate tubular heater (7).
  • the present invention solves this problem by that on the one hand the pump housing (3) of the circulation pump (1) with the impeller (6) rotationally symmetrical surrounding pump chamber (11) is formed. On the other hand, it is circular pump chamber (11) in a the impeller (6) receiving flow-intensive impeller chamber (12), a downstream of the impeller chamber (12) Diffuser space (13), in which part of the flow velocity is converted into pressure, and divided into a flow-reduced pressure chamber (14) arranged downstream of this space. Of one or more pressure ports (5, 5 ') branch off from the flow-reduced pressure chamber (14). According to the invention, the heating device (2) is also located in this pressure chamber (14) the training as a tubular heater (7), which as a spiral (Fig.
  • the heating device (2) is thus in the flow-reduced pressure chamber (14) designed as a rotationally symmetrical annular heating module (tubular heater 7).
  • the tubular heater (7) is simply wound and preferably on the pump housing cover (8), sh. also Fig. 4, the circulation pump (1) z. B. releasably attached, according to Fig. 2 still maintained a safety distance from the walls of the pump housing (3) is.
  • the separate pump housing cover (8) made of plastic or metal closes the pump housing (3) liquid-tight (ring seal 15).
  • the diffuser space (13) is designed as a ring diffuser.
  • the diffuser space (13) is formed by a rotationally symmetrical web wall (16) fixed to the housing.
  • the web wall (16) is seen in the flow direction (see arrow) of the rinsing liquid concentric to the impeller (6) the pump and in front of it radially aligned with the impeller circumference.
  • the web wall (16) itself is designed in the shape of an annular disk and can be attached to an at least approximately cylindrical and Insert (18) of the pump housing arranged in the pump housing (3) in the same axis as the impeller (6) (3) be formed, which limits the dimensions of the rooms (12 to 14).
  • the insert (18) expediently forms on the pump housing (3) with the suction nozzle (4) Component.
  • the division of the pump chamber (11) into the flow-intensive impeller chamber (12) and the flow-calmed pressure chamber (14), the between these two spaces from the annular disk-shaped web wall (16) and the adjacent impeller chamber walls (pump housing wall 19) formed diffuser space (13) is essential for efficiency optimization the circulation pump (1).
  • the speed energy of the transported Medium (rinsing liquid) which flows from the impeller (6) into the diffuser space (13), has a high circumferential component. When flowing into the flow-reduced pressure chamber (14) a large part of it is converted into pressure energy.
  • the pump chamber (11) or the pump housing (3) of the invention Pump is rotationally symmetrical, prevails everywhere in the divided pressure chamber (14) approximately constant pressure. Therefore the position of the outlet nozzle is at flow-reduced pressure chamber (14) advantageously freely selectable and thus also to problematic Installation conditions of the pump in the household appliance can be adjusted to save space.
  • the rotationally symmetrical flow-reduced pressure chamber (14) can advantageously be the annular Pick up tubular heating element (7).
  • the flow velocity is in the pressure chamber despite the greatly reduced peripheral component (14) the heating device (2), on the one hand, is sufficient for reliable heat dissipation, on the other hand so low that the pump efficiency is not due to wall friction Heating pipes is affected.
  • the rotational symmetry causes a largely parallel Inflow to the heating tubular heater (7) with respect to its longitudinal axis. This will Vortex formation and flow separation, which can lead to local overheating, are avoided. Therefore calcification and contamination of the heating device (2) can occur the liquid flowing through can be almost excluded.
  • the rotationally symmetrical pump housing (3) carrying the pressure ports (5, 5 ') is on the pump suction side closed with the aforementioned pump housing cover (8), which the Surrounds the intake manifold (4).
  • pump housing cover according to FIG. 2 with the suction nozzle (4) and / or the insert (18) for the ring diffuser (13) and pressure chamber (14) in one piece can be trained.
  • the housing cover and / or the impeller compartment (12), diffuser compartment (13) and pressure chamber (14) forming pump housing (3) can be made of metal or Plastic.
  • the pump housing (3) can also be a metal part (21) with an integrated variant Tubular radiators (7) according to FIG. 3 of the heating device (2) are formed, wherein the intake manifold (4) with the pump cover of the circulation pump (1) and the diffuser insert (18) then form a structural unit (Fig. 3). It's separate between these parts circular pump housing (3) arranged by sealing rings (15) held liquid-tight.
  • the pump housing (3) On the outside of the pump housing (3) there are safety devices, such as thermal switches (20), Pressure switches, turbidity sensors or the like. Preferably in embossments of the pump housing (3) and / or the pump housing cover (8) or in embossments in the metal part (21) arranged.
  • the rotational symmetry (circular shape) of the pump chamber (11) favors the simple one modular construction of the pump; especially as a pre-assembled, separately testable unit. at You can also add several radiators with different heating capacities to the demand Integrate the pump housing (3) in the pressure chamber (14).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cookers (AREA)
EP02005593A 2001-04-04 2002-03-12 Pompe, en particulier pompe centrifuge de circulation pour appareils ménagers utilisant de l'eau Expired - Lifetime EP1247993B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10116671A DE10116671B4 (de) 2001-04-04 2001-04-04 Umwälzpumpe mit Heizungseinrichtung
DE10116671 2001-04-04

Publications (3)

Publication Number Publication Date
EP1247993A2 true EP1247993A2 (fr) 2002-10-09
EP1247993A3 EP1247993A3 (fr) 2003-01-15
EP1247993B1 EP1247993B1 (fr) 2009-03-04

Family

ID=7680281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02005593A Expired - Lifetime EP1247993B1 (fr) 2001-04-04 2002-03-12 Pompe, en particulier pompe centrifuge de circulation pour appareils ménagers utilisant de l'eau

Country Status (4)

Country Link
EP (1) EP1247993B1 (fr)
AT (1) ATE424511T1 (fr)
DE (2) DE10116671B4 (fr)
ES (1) ES2320417T3 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1650440A1 (fr) * 2004-10-20 2006-04-26 Pedrollo S.p.a. Carter de pompe ameliore pour pompe centrifuge et procede de production de ce carter
GB2427437A (en) * 2005-06-23 2006-12-27 Otter Controls Ltd Pump incorporating an electric heating element
EP1762169A2 (fr) * 2005-09-09 2007-03-14 BSH Bosch und Siemens Hausgeräte GmbH Appareil domestique à circulation d'eau avec pompe.
EP1870508A2 (fr) * 2006-06-21 2007-12-26 AWECO APPLIANCE SYSTEMS GmbH & Co. KG Pompe, en particulier pour machines domestiques utilisant de l' eau
WO2013131847A1 (fr) * 2012-03-08 2013-09-12 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager à circulation d'eau avec comprenant moins une pompe entraînée par un moteur et un système de chauffage
EP2677178A3 (fr) * 2012-06-22 2015-04-22 E.G.O. Elektro-Gerätebau GmbH Pompe
CN104706292A (zh) * 2014-01-02 2015-06-17 美的集团股份有限公司 洗碗机的顶喷装置
EP2937571A1 (fr) * 2014-04-22 2015-10-28 E.G.O. ELEKTRO-GERÄTEBAU GmbH Pompe
CN105020180A (zh) * 2014-04-24 2015-11-04 芜湖美的洗涤电器制造有限公司 用于洗碗机的加热泵和洗碗机
US20170027405A1 (en) * 2014-04-24 2017-02-02 Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd. Heat pump and dishwasher comprising the same
WO2017101086A1 (fr) * 2015-12-17 2017-06-22 广东威灵电机制造有限公司 Pompe centrifuge
US10302098B2 (en) 2014-08-07 2019-05-28 Johnson Electric International AG Heating pump
US10398283B2 (en) 2013-03-01 2019-09-03 Whirlpool Corporation Dishwasher with sprayer
CN111706520A (zh) * 2020-06-19 2020-09-25 佛山市威灵洗涤电机制造有限公司 电泵的壳体组件、电泵和洗碗机
EP4071361A4 (fr) * 2020-05-13 2023-01-25 Foshan Welling Washer Motor Manufacturing Co., Ltd. Pompe de chauffage et machine à laver la vaisselle

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004048362A1 (de) * 2004-03-05 2005-09-22 Aweco Appliance Systems Gmbh & Co. Kg Kreiselpumpe
CN102748329B (zh) 2011-04-15 2017-02-22 德昌电机(深圳)有限公司 加热泵
US9693672B2 (en) 2011-09-22 2017-07-04 Whirlpool Corporation Dishwasher with sprayer
US9713413B2 (en) 2013-07-01 2017-07-25 Whirlpool Corporation Dishwasher for treating dishes
US9297553B2 (en) 2013-07-01 2016-03-29 Whirlpool Corporation Pump assembly
US9532699B2 (en) 2013-07-15 2017-01-03 Whirlpool Corporation Dishwasher with sprayer
DE102014109625A1 (de) * 2014-07-09 2016-01-14 Hanning Elektro-Werke Gmbh & Co. Kg Pumpenanordnung
DE102017108349B4 (de) 2016-05-23 2023-03-09 Miele & Cie. Kg Wasch- oder Spülmaschine mit einer Heizeinrichtung zur Aufheizung der Wasch- oder Spülflüssigkeit
ES2781226T3 (es) * 2016-10-21 2020-08-31 Miele & Cie Bomba de circulación para una máquina lavavajillas
CN107514392B (zh) * 2017-08-31 2019-04-05 广东威灵电机制造有限公司 流体泵送装置和家用电器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594500A (en) * 1982-02-10 1986-06-10 Wright Spa Pools Ltd Electrically heated pump for spas and swimming pools
DE3640252A1 (de) * 1986-11-25 1988-06-16 Marcant Pumpen Gmbh Pumpe mit eingebauter elektro-heizung
US5701388A (en) * 1994-12-22 1997-12-23 Kohler Co. Combined heater and pump
DE19852569A1 (de) * 1998-11-13 2000-05-18 Miele & Cie Umwälzpumpe, insbesondere für wasserführnde Haushaltgeräte
DE19858137A1 (de) * 1998-12-16 2000-06-21 Bsh Bosch Siemens Hausgeraete Heizung zum Erwärmen der Spülflüssigkeit in einer Geschirrspülmaschine
DE19903951A1 (de) * 1999-02-02 2000-08-03 Eichenauer Gmbh & Co Kg F Beheizbares Pumpengehäuse zur Flüssigkeitserwärmung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826589A (en) * 1972-06-22 1974-07-30 Sta Rite Industries Plastic pump construction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594500A (en) * 1982-02-10 1986-06-10 Wright Spa Pools Ltd Electrically heated pump for spas and swimming pools
DE3640252A1 (de) * 1986-11-25 1988-06-16 Marcant Pumpen Gmbh Pumpe mit eingebauter elektro-heizung
US5701388A (en) * 1994-12-22 1997-12-23 Kohler Co. Combined heater and pump
DE19852569A1 (de) * 1998-11-13 2000-05-18 Miele & Cie Umwälzpumpe, insbesondere für wasserführnde Haushaltgeräte
DE19858137A1 (de) * 1998-12-16 2000-06-21 Bsh Bosch Siemens Hausgeraete Heizung zum Erwärmen der Spülflüssigkeit in einer Geschirrspülmaschine
DE19903951A1 (de) * 1999-02-02 2000-08-03 Eichenauer Gmbh & Co Kg F Beheizbares Pumpengehäuse zur Flüssigkeitserwärmung

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1650440A1 (fr) * 2004-10-20 2006-04-26 Pedrollo S.p.a. Carter de pompe ameliore pour pompe centrifuge et procede de production de ce carter
GB2427437A (en) * 2005-06-23 2006-12-27 Otter Controls Ltd Pump incorporating an electric heating element
GB2427437B (en) * 2005-06-23 2010-11-10 Otter Controls Ltd Combined heater pump apparatus
EP1762169A2 (fr) * 2005-09-09 2007-03-14 BSH Bosch und Siemens Hausgeräte GmbH Appareil domestique à circulation d'eau avec pompe.
EP1762169A3 (fr) * 2005-09-09 2008-08-06 BSH Bosch und Siemens Hausgeräte GmbH Appareil domestique à circulation d'eau avec pompe
EP1870508A2 (fr) * 2006-06-21 2007-12-26 AWECO APPLIANCE SYSTEMS GmbH & Co. KG Pompe, en particulier pour machines domestiques utilisant de l' eau
EP1870508A3 (fr) * 2006-06-21 2008-05-28 AWECO APPLIANCE SYSTEMS GmbH & Co. KG Pompe, en particulier pour machines domestiques utilisant de l' eau
US7965928B2 (en) 2006-06-21 2011-06-21 Aweco Appliance Systems Gmbh & Co. Kg Pump, in particular for water-bearing domestic appliances
CN101096953B (zh) * 2006-06-21 2012-09-26 阿维可设备系统有限及两合公司 特别是用于水运作的家用器具的泵
WO2013131847A1 (fr) * 2012-03-08 2013-09-12 BSH Bosch und Siemens Hausgeräte GmbH Appareil ménager à circulation d'eau avec comprenant moins une pompe entraînée par un moteur et un système de chauffage
US9470242B2 (en) 2012-06-22 2016-10-18 E.G.O. Elektro-Geraetebau Gmbh Pump
EP2677178A3 (fr) * 2012-06-22 2015-04-22 E.G.O. Elektro-Gerätebau GmbH Pompe
US10398283B2 (en) 2013-03-01 2019-09-03 Whirlpool Corporation Dishwasher with sprayer
CN104706292A (zh) * 2014-01-02 2015-06-17 美的集团股份有限公司 洗碗机的顶喷装置
CN104706292B (zh) * 2014-01-02 2019-07-05 美的集团股份有限公司 洗碗机的顶喷装置
EP2937571A1 (fr) * 2014-04-22 2015-10-28 E.G.O. ELEKTRO-GERÄTEBAU GmbH Pompe
CN108518359A (zh) * 2014-04-24 2018-09-11 佛山市顺德区美的洗涤电器制造有限公司 用于洗碗机的加热泵和洗碗机
EP3134653A4 (fr) * 2014-04-24 2017-12-13 Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd. Pompe à chaleur et lave-vaisselle comprenant celle-ci
CN108518358A (zh) * 2014-04-24 2018-09-11 佛山市顺德区美的洗涤电器制造有限公司 用于洗碗机的加热泵和洗碗机
US20170027405A1 (en) * 2014-04-24 2017-02-02 Foshan Shunde Midea Washing Appliances Mfg. Co., Ltd. Heat pump and dishwasher comprising the same
CN105020180A (zh) * 2014-04-24 2015-11-04 芜湖美的洗涤电器制造有限公司 用于洗碗机的加热泵和洗碗机
US10602905B2 (en) 2014-04-24 2020-03-31 Foshan Shunde Midea Washing Appliances Mfg. Co. Lt Heat pump and dishwasher comprising the same
EP4033107A1 (fr) * 2014-04-24 2022-07-27 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Pompe à chaleur et lave-vaisselle la comprenant
US10302098B2 (en) 2014-08-07 2019-05-28 Johnson Electric International AG Heating pump
WO2017101086A1 (fr) * 2015-12-17 2017-06-22 广东威灵电机制造有限公司 Pompe centrifuge
EP4071361A4 (fr) * 2020-05-13 2023-01-25 Foshan Welling Washer Motor Manufacturing Co., Ltd. Pompe de chauffage et machine à laver la vaisselle
CN111706520A (zh) * 2020-06-19 2020-09-25 佛山市威灵洗涤电机制造有限公司 电泵的壳体组件、电泵和洗碗机
CN111706520B (zh) * 2020-06-19 2021-08-27 佛山市威灵洗涤电机制造有限公司 电泵的壳体组件、电泵和洗碗机

Also Published As

Publication number Publication date
DE50213324D1 (de) 2009-04-16
EP1247993A3 (fr) 2003-01-15
DE10116671A1 (de) 2002-10-17
ATE424511T1 (de) 2009-03-15
DE10116671B4 (de) 2006-04-27
ES2320417T3 (es) 2009-05-22
EP1247993B1 (fr) 2009-03-04

Similar Documents

Publication Publication Date Title
EP1247993A2 (fr) Pompe, en particulier pompe centrifuge de circulation pour appareils ménagers utilisant de l'eau
EP2377451B1 (fr) Pompe avec dispositif de chauffage
DE102006028913A1 (de) Pumpe, insbesondere für wasserführende Haushaltsmaschinen
DE19903951B4 (de) Beheizbares Pumpengehäuse zur Flüssigkeitserwärmung
US8371831B2 (en) Centrifugal discharge pump with bladed impeller for dishwashers and similar electric household appliances
WO2000004974A8 (fr) Filtre autonettoyant perfectionne
EP2703093B1 (fr) Appareil de lavage destiné à nettoyer des pièces telles que des pièces de machine ou analogues
EP1047334B2 (fr) Pompe de circulation, en particulier pour un appareil domestique a circulation d'eau
EP0736626A2 (fr) Dispositif intégré pour la circulation de l'eau avec deux pompes indépendantes et un filtre commun pour machines à laver
DE102016208017A1 (de) Flüssigkeitsheizpumpe zum Fördern und Aufheizen von Flüssigkeit in einem wasserführenden Haushaltsgerät
DE3934434A1 (de) Waschmaschine
DE102005043026A1 (de) Wasserführendes Haushaltgerät mit einer Pumpe
DE102010038686B4 (de) Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine
DE102018107271A1 (de) Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine
CN110820259A (zh) 一种洗衣机用双出口水泵
DE3624917A1 (de) Kreiselpumpe
WO2014204412A4 (fr) Système fermé d'unités externes d'une pompe à chaleur et d'un appareil de climatisation, de type fermé avec un système à auto-régulation pour le chauffage ou le refroidissement
CN211772165U (zh) 一种洗衣机用双出口水泵
DE102021202130B4 (de) Wasserführendes Haushaltsgerät
CN218509817U (zh) 清洗装置、应用有该清洗装置的风机清洗装置和吸油烟机
CN208341309U (zh) 周转桶刷桶机
CN206548350U (zh) 上盖组件和烹饪器具
WO2024208710A1 (fr) Lave-vaisselle domestique avec dispositif de pompe, et dispositif de pompe pour appareil ménager à circulation d'eau
KR920006286Y1 (ko) 보일러의 순환 펌프
DE102021205247A1 (de) Pumpe für ein wasserführendes Haushaltsgerät und wasserführendes Haushaltsgerät mit einer solchen Pumpe

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20030424

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MIELE & CIE. KG

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

17Q First examination report despatched

Effective date: 20070223

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: ALDO ROEMPLER PATENTANWALT

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 20090309

REF Corresponds to:

Ref document number: 50213324

Country of ref document: DE

Date of ref document: 20090416

Kind code of ref document: P

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2320417

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090304

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090604

BERE Be: lapsed

Owner name: MIELE & CIE. K.G.

Effective date: 20090331

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090304

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090818

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090331

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090304

26N No opposition filed

Effective date: 20091207

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090312

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090605

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090312

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20090304

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20120305

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20120322

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20120327

Year of fee payment: 11

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20131001

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130312

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130312

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131001

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20150325

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130312

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20160322

Year of fee payment: 15

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160331

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160331

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20180329

Year of fee payment: 17

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20180703

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170313

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20180323

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190331

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190312

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20210331

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50213324

Country of ref document: DE