EP4034771C0 - Einschaufelrad - Google Patents

Einschaufelrad

Info

Publication number
EP4034771C0
EP4034771C0 EP20776091.9A EP20776091A EP4034771C0 EP 4034771 C0 EP4034771 C0 EP 4034771C0 EP 20776091 A EP20776091 A EP 20776091A EP 4034771 C0 EP4034771 C0 EP 4034771C0
Authority
EP
European Patent Office
Prior art keywords
breather
wheel
breather wheel
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
EP20776091.9A
Other languages
English (en)
French (fr)
Other versions
EP4034771A1 (de
EP4034771B1 (de
Inventor
Alexander Christ
Christoph Jäger
Rolf Witzel
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.)
KSB SE and Co KGaA
Original Assignee
KSB SE and Co KGaA
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 KSB SE and Co KGaA filed Critical KSB SE and Co KGaA
Publication of EP4034771A1 publication Critical patent/EP4034771A1/de
Application granted granted Critical
Publication of EP4034771C0 publication Critical patent/EP4034771C0/de
Publication of EP4034771B1 publication Critical patent/EP4034771B1/de
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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2238—Special flow patterns
    • F04D29/225—Channel wheels, e.g. one blade or one flow channel
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/11—Iron
    • F05D2300/111—Cast iron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/44—Resins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/522—Density

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP20776091.9A 2019-09-23 2020-09-16 Einschaufelrad Active EP4034771B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019006665.0A DE102019006665A1 (de) 2019-09-23 2019-09-23 Einschaufelrad
PCT/EP2020/075808 WO2021058341A1 (de) 2019-09-23 2020-09-16 Einschaufelrad

Publications (3)

Publication Number Publication Date
EP4034771A1 EP4034771A1 (de) 2022-08-03
EP4034771C0 true EP4034771C0 (de) 2024-12-18
EP4034771B1 EP4034771B1 (de) 2024-12-18

Family

ID=72615831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20776091.9A Active EP4034771B1 (de) 2019-09-23 2020-09-16 Einschaufelrad

Country Status (4)

Country Link
EP (1) EP4034771B1 (de)
CN (1) CN114391064B (de)
DE (1) DE102019006665A1 (de)
WO (1) WO2021058341A1 (de)

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH94909A (de) * 1921-05-21 1922-06-01 Peter Alfred Kanallose Kreiselpumpe, insbesondere zum Fördern von unreinen Flüssigkeiten mit verschiedenen spezifischen Gewichten.
US2120277A (en) * 1935-04-26 1938-06-14 Canadian Allis Chalmers Ltd Rubber covered impeller
GB687514A (en) * 1950-08-15 1953-02-18 Fairbanks Morse & Co Improvements in impellers for centrifugal pumps
GB1332728A (en) * 1971-02-17 1973-10-03 Baggers Pty Ltd Centrifugal pumps and impellers therefor
US3743437A (en) * 1972-04-14 1973-07-03 Cornell Mfg Co Pump impeller with skirt
SE444970B (sv) * 1982-10-11 1986-05-20 Flygt Ab Centrifugalpumphjul fremst avsett for pumpning av flytande medier innehallande fororeningar
DE3615686A1 (de) * 1986-05-09 1987-11-12 Klein Schanzlin & Becker Ag Kanalrad fuer kreiselpumpen
DE3637500C2 (de) * 1986-11-04 1995-10-26 Laing Karsten Laufrad für eine einstufige Sphaeropumpe
US5895203A (en) * 1996-04-15 1999-04-20 Ansimag Incorporated Centrifugal pump having separable, multipartite impeller assembly
DE19617425C2 (de) * 1996-05-01 1998-03-19 Spechtenhauser Pumpen Gmbh Abwasser- und Fäkalienpumpe mit einem Antriebsmotor und einer Pumpeneinrichtung
DE19731619C1 (de) * 1997-07-23 1999-02-04 Werner Dipl Ing Arnswald Kanalrad
US6123507A (en) * 1998-11-30 2000-09-26 Smith & Loveless, Inc. Single port impeller
JP4602040B2 (ja) * 2004-09-27 2010-12-22 新明和工業株式会社 液体ポンプ用羽根車
JP2007170328A (ja) * 2005-12-26 2007-07-05 Toray Ind Inc 風力発電用風車翼およびその製造方法
JP4842676B2 (ja) * 2006-03-23 2011-12-21 新明和工業株式会社 遠心ポンプ用羽根車および遠心ポンプ用羽根車のバランス調整方法
JP5119078B2 (ja) * 2008-07-30 2013-01-16 新明和工業株式会社 ポンプ用羽根車及びそれを備えたポンプ
JP2010121543A (ja) * 2008-11-20 2010-06-03 Kubota Corp ポンプの羽根車、ポンプ装置、ポンプの羽根車のバランス調整方法
EP2660473B1 (de) * 2012-05-04 2016-11-23 Grundfos Holding A/S Schmutzwasserpumpe
CN104685217B (zh) * 2012-08-23 2017-10-24 苏尔寿管理有限公司 用于输送废水的泵以及用于这种泵的叶轮和底板
US20170089341A1 (en) * 2014-06-18 2017-03-30 Mitsubishi Electric Corporation Scroll compressor and method of manufacturing the same
JP6288516B2 (ja) * 2014-12-03 2018-03-07 三菱重工業株式会社 インペラ、及び回転機械
DE102017005283B4 (de) * 2017-06-02 2022-12-08 Wilo Se Pumpenlaufrad
DE102017010152A1 (de) * 2017-11-02 2019-05-02 Richter Chemie-Technik Gmbh Kreiselpumpe mit verstärktem Kunststofflaufrad

Also Published As

Publication number Publication date
WO2021058341A1 (de) 2021-04-01
EP4034771A1 (de) 2022-08-03
DE102019006665A1 (de) 2021-03-25
EP4034771B1 (de) 2024-12-18
CN114391064A (zh) 2022-04-22
CN114391064B (zh) 2024-09-10

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