RU2578778C2 - Многоступенчатый центробежный насосный агрегат - Google Patents

Многоступенчатый центробежный насосный агрегат Download PDF

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Publication number
RU2578778C2
RU2578778C2 RU2012112043/06A RU2012112043A RU2578778C2 RU 2578778 C2 RU2578778 C2 RU 2578778C2 RU 2012112043/06 A RU2012112043/06 A RU 2012112043/06A RU 2012112043 A RU2012112043 A RU 2012112043A RU 2578778 C2 RU2578778 C2 RU 2578778C2
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RU
Russia
Prior art keywords
wheel group
return channel
liquid
unit according
impellers
Prior art date
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RU2012112043/06A
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English (en)
Russian (ru)
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RU2012112043A (ru
Inventor
Стеен Миккельсен
Оге БРУН
Бо Меллер ЕНСЕН
Original Assignee
Грундфос Менеджмент А/С
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.)
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44515211&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=RU2578778(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Грундфос Менеджмент А/С filed Critical Грундфос Менеджмент А/С
Publication of RU2012112043A publication Critical patent/RU2012112043A/ru
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Publication of RU2578778C2 publication Critical patent/RU2578778C2/ru

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    • 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
    • F04D9/004—Priming of not self-priming pumps
    • F04D9/005—Priming of not self-priming pumps by adducting or recycling liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
    • 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
    • F04D9/02—Self-priming pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
RU2012112043/06A 2011-03-29 2012-03-28 Многоступенчатый центробежный насосный агрегат RU2578778C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11002578.0 2011-03-29
EP11002578.0A EP2505842B1 (de) 2011-03-29 2011-03-29 Mehrstufiges kreiselpumpenaggregat

Publications (2)

Publication Number Publication Date
RU2012112043A RU2012112043A (ru) 2013-10-10
RU2578778C2 true RU2578778C2 (ru) 2016-03-27

Family

ID=44515211

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2012112043/06A RU2578778C2 (ru) 2011-03-29 2012-03-28 Многоступенчатый центробежный насосный агрегат

Country Status (6)

Country Link
US (1) US9879680B2 (enExample)
EP (1) EP2505842B1 (enExample)
CN (2) CN102734176A (enExample)
AU (1) AU2012201654B2 (enExample)
IN (1) IN2012DE00817A (enExample)
RU (1) RU2578778C2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2607703B1 (de) * 2011-12-22 2014-06-18 Grundfos Holding A/S Kreiselpumpe
US10337516B2 (en) 2013-05-22 2019-07-02 Grundfos Holding A/S Multi-stage, self-priming centrifugal pump assembly
DE102014214805A1 (de) * 2014-07-29 2016-02-04 Ksb Aktiengesellschaft Mantelgehäusepumpe
EP3244066B1 (en) * 2016-05-12 2020-11-18 Grundfos Holding A/S Centrifugal pump
DE102016109994A1 (de) 2016-05-31 2017-11-30 Eberspächer Climate Control Systems GmbH & Co. KG Seitenkanalgebläse, insbesondere für ein Fahrzeugheizgerät
EP3293397B1 (de) * 2016-09-13 2018-10-24 Grundfos Holding A/S Kreiselpumpenaggregat und verfahren zum entlüften
WO2018058097A1 (en) 2016-09-26 2018-03-29 Fluid Handling Llc Multi-stage impeller produced via additive manufacturing
EP3343054A1 (en) 2016-12-28 2018-07-04 Grundfos Holding A/S Bearing retainer for multistage centrifugal pump
CN108953158B (zh) * 2018-09-20 2024-07-12 南元泵业有限公司 多出口离心泵
US11560902B2 (en) * 2019-01-25 2023-01-24 Pentair Flow Technologies, Llc Self-priming assembly for use in a multi-stage pump
CN111594451A (zh) * 2020-05-29 2020-08-28 广东凌霄泵业股份有限公司 卧式自吸泵
EP3929445A1 (en) * 2020-06-22 2021-12-29 Grundfos Holding A/S Centrifugal pump device
CN112112840B (zh) * 2020-09-11 2022-09-23 南通大通宝富风机有限公司 一种家具厂风机过滤防护组件
CN117823415B (zh) * 2024-03-04 2024-05-03 山东华立供水设备有限公司 一种多级离心泵

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR936832A (fr) * 1945-02-03 1948-07-30 Pompe centrifuge multiple à rotors montés en série avec auto-amorçage
WO1995030092A1 (de) * 1994-05-02 1995-11-09 Ksb Aktiengesellschaft Selbstansaugende mehrstufige kreiselpumpe
US5513959A (en) * 1992-01-14 1996-05-07 Ksb S.A. Valve for pump with priming circuit

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE610778C (de) 1933-11-24 1935-03-16 Carl Metz Feuerwehrgeraetefabr Selbstansaugende mehrstufige Kreiselpumpe
GB674815A (en) * 1950-05-15 1952-07-02 Schulz Wilhelm Improvements relating to centrifugal pumps
GB732293A (en) 1952-05-12 1955-06-22 Jacuzzi Brothers Inc Improvements in or relating to self-priming pump systems, particularly for deep wells
AT288166B (de) * 1967-07-07 1971-02-25 Mueanyagipari Ki Ein- oder mehrstufige selbstansaugende Kreiselpumpe
FR2044994A5 (enExample) 1969-05-29 1971-02-26 Guinard Pompes
FR2342416A1 (fr) 1976-02-27 1977-09-23 Materiel Telephonique Pompe centrifuge multicellulaire auto-amorcante
DE3130832C2 (de) 1980-08-05 1986-05-22 Sihi Gmbh & Co Kg, 2210 Itzehoe Selbstansaugende Kreiselpumpe, insbesondere zur Förderung von Flüssigkeiten in der Nähe ihres Siedepunktes
JPS58143189A (ja) 1982-02-19 1983-08-25 Fuji Electric Co Ltd ポンプユニツトにおけるポンプ起動装置
US4780050A (en) * 1985-12-23 1988-10-25 Sundstrand Corporation Self-priming pump system
US4872808A (en) * 1987-06-22 1989-10-10 Oil Dynamics, Inc. Centrifugal pump modular bearing support for pumping fluids containing abrasive particles
IT1234126B (it) * 1989-07-05 1992-04-29 Nowax Srl Cassa statorica, particolarmente per pompa radiale centrifuga, nonche' metodo per la sua realizzazione
IT1257704B (it) 1991-12-05 1996-02-01 Nocchi Pompe Spa Pompa per acqua plurifunzionale: centrifuga, per aspirazione profonda,autoadescante, centrifuga con regolazione di pressione, autoadescante con regolazione di pressione, con dispositivo di avviamento e/0 arresto automatico
CN2217126Y (zh) * 1994-01-14 1996-01-10 仪群 便拆式自吸管道泵
ES2115486B1 (es) 1994-12-20 1999-02-16 Bogemar Sl Electrobomba centrifuga multicelular.
JPH09195969A (ja) * 1996-01-17 1997-07-29 Shin Meiwa Ind Co Ltd 自吸式ポンプにおける呼び水循環装置
CN2471976Y (zh) 2001-03-19 2002-01-16 佛山柴油机厂有限公司 壳体一体式多级自吸离心泵
DE10239997A1 (de) 2002-08-27 2004-03-04 Gardena Manufacturing Gmbh Pumpenanordnung
US8128340B2 (en) * 2004-03-08 2012-03-06 Gorman-Rupp, Co. Stacked self-priming pump and centrifugal pump
CN2744859Y (zh) * 2004-11-01 2005-12-07 义乌市第二石油化工泵厂 强力气液分离导叶式多级自吸离心泵
CN100455815C (zh) 2005-01-30 2009-01-28 陆雄 动态调控叶轮对称布置的多级离心泵轴向力的方法
DE602005001620D1 (de) 2005-05-31 2007-08-23 Pedrollo Spa Kreiselpumpe
WO2008036098A2 (en) * 2006-09-21 2008-03-27 The Gorman-Rupp Company Improved self-priming centrifugal pump
CN201610847U (zh) 2009-11-30 2010-10-20 镇江正汉泵业有限公司 一种提高自吸能力的立式自吸泵

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR936832A (fr) * 1945-02-03 1948-07-30 Pompe centrifuge multiple à rotors montés en série avec auto-amorçage
US5513959A (en) * 1992-01-14 1996-05-07 Ksb S.A. Valve for pump with priming circuit
WO1995030092A1 (de) * 1994-05-02 1995-11-09 Ksb Aktiengesellschaft Selbstansaugende mehrstufige kreiselpumpe

Also Published As

Publication number Publication date
EP2505842B1 (de) 2019-12-25
CN102734176A (zh) 2012-10-17
US9879680B2 (en) 2018-01-30
IN2012DE00817A (enExample) 2015-08-21
RU2012112043A (ru) 2013-10-10
EP2505842A1 (de) 2012-10-03
US20120251308A1 (en) 2012-10-04
AU2012201654A1 (en) 2012-10-18
CN110307166A (zh) 2019-10-08
AU2012201654B2 (en) 2015-08-20

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20210329