EP2495444A3 - Pump - Google Patents

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Publication number
EP2495444A3
EP2495444A3 EP12157676.3A EP12157676A EP2495444A3 EP 2495444 A3 EP2495444 A3 EP 2495444A3 EP 12157676 A EP12157676 A EP 12157676A EP 2495444 A3 EP2495444 A3 EP 2495444A3
Authority
EP
European Patent Office
Prior art keywords
impeller
pump
fluid
extends
strömungsleitschaufeln
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
EP12157676.3A
Other languages
German (de)
French (fr)
Other versions
EP2495444A2 (en
EP2495444B1 (en
Inventor
Wolfgang Weber
Tobias Albert
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.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45841204&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2495444(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Publication of EP2495444A2 publication Critical patent/EP2495444A2/en
Publication of EP2495444A3 publication Critical patent/EP2495444A3/en
Application granted granted Critical
Publication of EP2495444B1 publication Critical patent/EP2495444B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • F04D9/002—Preventing vapour lock by means in the very pump
    • F04D9/003—Preventing vapour lock by means in the very pump separating and removing the vapour

Abstract

Eine Pumpe (11) für einen Geschirrspüler weist einen Impeller (19) zur Förderung von Fluid auf, wobei sie als Kreiselpumpe ausgebildet ist mit zentralem axialem Ansaugen (16) und radialem Ausströmen (18) des zu fördernden Fluids. Der Impeller verläuft an einer Unterseite über einem Pumpenboden, wobei radial außerhalb des Impellers mehrere feststehende Strömungsleitschaufeln (25a,25b) angeordnet sind, die schraubenartig verlaufen mit in Drehrichtung des Impellers (29) verlaufender Steigung weg vom Pumpenboden (15a). Mindestens eine Strömungsleitschaufel (25a,25b) reicht bis an die Unterseite des Impellers zum Abgreifen eines umlaufenden Schlauchs aus Fluid mit Luftblasen darin.

Figure imgaf001
A pump (11) for a dishwasher has an impeller (19) for conveying fluid, wherein it is designed as a centrifugal pump with central axial suction (16) and radial outflow (18) of the fluid to be delivered. The impeller extends on an underside over a pump bottom, wherein radially outwardly of the impeller several fixed Strömungsleitschaufeln (25a, 25b) are arranged, which extend helically with in the direction of rotation of the impeller (29) extending slope away from the pump bottom (15a). At least one flow vane (25a, 25b) extends all the way to the bottom of the impeller for tapping a circumferential tube of fluid with air bubbles therein.
Figure imgaf001
EP12157676.3A 2011-03-04 2012-03-01 Pump Active EP2495444B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011005138A DE102011005138A1 (en) 2011-03-04 2011-03-04 pump

Publications (3)

Publication Number Publication Date
EP2495444A2 EP2495444A2 (en) 2012-09-05
EP2495444A3 true EP2495444A3 (en) 2014-01-15
EP2495444B1 EP2495444B1 (en) 2015-07-01

Family

ID=45841204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12157676.3A Active EP2495444B1 (en) 2011-03-04 2012-03-01 Pump

Country Status (3)

Country Link
US (1) US8899918B2 (en)
EP (1) EP2495444B1 (en)
DE (1) DE102011005138A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012210554A1 (en) * 2012-06-22 2013-12-24 E.G.O. Elektro-Gerätebau GmbH pump
DE102012216196A1 (en) * 2012-09-12 2014-03-13 E.G.O. Elektro-Gerätebau GmbH pump
DE102012218145B4 (en) * 2012-10-04 2018-12-27 E.G.O. Elektro-Gerätebau GmbH impeller
DE102012025758B3 (en) 2012-10-04 2021-12-02 E.G.O. Elektro-Gerätebau GmbH Impeller pump
ES2460369B1 (en) 2012-11-12 2015-03-02 Coprecitec Sl Fluid circulation pump adapted for an appliance
DE102013200280A1 (en) * 2013-01-10 2014-07-10 E.G.O. Elektro-Gerätebau GmbH impeller
DE102013202346B3 (en) * 2013-02-13 2014-05-28 E.G.O. Elektro-Gerätebau GmbH Impeller pump for conveying medium, has cutout provided in lateral wall of pump chamber, and heating element located along entire edge of cut sealing, where heating element is arranged in path of conveyed medium from impeller to outlet
US11268515B2 (en) 2014-07-09 2022-03-08 Aerojet Rocketdyne, Inc. Turbopump with axially curved vane
CN105317740B (en) * 2014-07-15 2018-03-13 佛山市顺德区美的洗涤电器制造有限公司 Heat-collecting pump for dish-washing machine
DE102014219891A1 (en) 2014-10-01 2016-04-07 E.G.O. Elektro-Gerätebau GmbH Pump and home appliance with a pump
CN105134661B (en) * 2015-09-29 2017-10-17 广东威灵电机制造有限公司 Heat deflector
DE102015219489B4 (en) 2015-10-08 2021-12-16 BSH Hausgeräte GmbH Water-bearing household appliance with a pump
KR102402029B1 (en) * 2015-11-13 2022-05-26 삼성전자주식회사 Dish washing machine and method of controlling the same
DE102016208020A1 (en) * 2016-05-10 2017-11-16 BSH Hausgeräte GmbH Liquid heating pump for conveying and heating liquid in a water-conducting domestic appliance
DE102016208017A1 (en) 2016-05-10 2017-11-16 BSH Hausgeräte GmbH Liquid heating pump for conveying and heating liquid in a water-conducting domestic appliance
KR101816583B1 (en) * 2016-09-13 2018-01-09 엘지전자 주식회사 Drain pump
CN109026844A (en) * 2018-09-06 2018-12-18 中食净化科技（北京）股份有限公司 A kind of ready-package can the pump cover of lossless deflecting conduction water kinetic energy, pump and usage thereof
US10993601B2 (en) * 2019-01-25 2021-05-04 Haier Us Appliance Solutions, Inc. Dishwashing appliances and pump assemblies
US11879479B2 (en) 2020-04-30 2024-01-23 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Flow guiding element, heat collecting pump and dishwasher
CN112160941B (en) * 2020-09-09 2022-09-16 江苏大学 Guide vane combination structure for improving unstable hump phenomenon of volute type centrifugal pump
US11852162B2 (en) * 2021-12-17 2023-12-26 Robert Bosch Llc Centrifugal pump assembly
CN115559911B (en) * 2022-10-18 2023-12-05 三联泵业股份有限公司 Self-priming pump with water shortage protection automatic opening and closing structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1533760A (en) * 1967-08-08 1968-07-19 Grundfoss Bjerringbro Pumpefab Centrifugal pump
WO2003005875A1 (en) * 2001-07-07 2003-01-23 Miele & Cie. Kg. Dishwasher comprising spraying arms and a circulating pump
US20030235497A1 (en) * 2002-06-20 2003-12-25 The Boeing Company Diffuser having a variable blade height
WO2008125488A2 (en) * 2007-04-12 2008-10-23 BSH Bosch und Siemens Hausgeräte GmbH Pump having a heating device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB566472A (en) 1943-08-31 1945-01-01 John Peter Damonte Improvements in pumps
US2951449A (en) 1957-07-30 1960-09-06 Bell & Gossett Co Centrifugal pump
US3243102A (en) * 1963-12-20 1966-03-29 Kenton D Mcmahan Centrifugal fluid pump
US5377707A (en) * 1993-11-01 1995-01-03 White Consolidated Industries, Inc. Dishwasher pump and filtration system
ITTO20040592A1 (en) 2004-09-08 2004-12-08 Plaset Spa SNAIL FOR A CENTRIFUGAL PUMP
DE102006021245B4 (en) * 2006-04-28 2008-03-06 Bühler Motor GmbH rotary pump
DE102007039120B4 (en) * 2007-08-18 2021-09-16 Bayerische Motoren Werke Aktiengesellschaft Swirl generating device
JP5316365B2 (en) * 2009-10-22 2013-10-16 株式会社日立プラントテクノロジー Turbo fluid machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1533760A (en) * 1967-08-08 1968-07-19 Grundfoss Bjerringbro Pumpefab Centrifugal pump
WO2003005875A1 (en) * 2001-07-07 2003-01-23 Miele & Cie. Kg. Dishwasher comprising spraying arms and a circulating pump
US20030235497A1 (en) * 2002-06-20 2003-12-25 The Boeing Company Diffuser having a variable blade height
WO2008125488A2 (en) * 2007-04-12 2008-10-23 BSH Bosch und Siemens Hausgeräte GmbH Pump having a heating device

Also Published As

Publication number Publication date
EP2495444A2 (en) 2012-09-05
EP2495444B1 (en) 2015-07-01
US8899918B2 (en) 2014-12-02
DE102011005138A1 (en) 2012-09-06
US20120224961A1 (en) 2012-09-06

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