EP0952352A3 - Achsschubausgleich - Google Patents

Achsschubausgleich Download PDF

Info

Publication number
EP0952352A3
EP0952352A3 EP99107770A EP99107770A EP0952352A3 EP 0952352 A3 EP0952352 A3 EP 0952352A3 EP 99107770 A EP99107770 A EP 99107770A EP 99107770 A EP99107770 A EP 99107770A EP 0952352 A3 EP0952352 A3 EP 0952352A3
Authority
EP
European Patent Office
Prior art keywords
thrust balance
fluid
balance chamber
thrust
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
EP99107770A
Other languages
English (en)
French (fr)
Other versions
EP0952352A2 (de
EP0952352B1 (de
Inventor
Yasushi c/oNikkiso Co. Ltd. Kubota
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.)
Nikkiso Co Ltd
Original Assignee
Nikkiso Co Ltd
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 Nikkiso Co Ltd filed Critical Nikkiso Co Ltd
Publication of EP0952352A2 publication Critical patent/EP0952352A2/de
Publication of EP0952352A3 publication Critical patent/EP0952352A3/de
Application granted granted Critical
Publication of EP0952352B1 publication Critical patent/EP0952352B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • 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
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0416—Axial thrust balancing balancing pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP99107770A 1998-04-20 1999-04-19 Achsschubausgleich Expired - Lifetime EP0952352B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10972098 1998-04-20
JP10972098 1998-04-20

Publications (3)

Publication Number Publication Date
EP0952352A2 EP0952352A2 (de) 1999-10-27
EP0952352A3 true EP0952352A3 (de) 2001-05-30
EP0952352B1 EP0952352B1 (de) 2004-12-22

Family

ID=14517524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99107770A Expired - Lifetime EP0952352B1 (de) 1998-04-20 1999-04-19 Achsschubausgleich

Country Status (5)

Country Link
EP (1) EP0952352B1 (de)
KR (1) KR100295011B1 (de)
CN (1) CN1120937C (de)
DE (1) DE69922729T2 (de)
TW (1) TW406166B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4281614B2 (ja) * 2004-05-10 2009-06-17 株式会社日立プラントテクノロジー ポンプ装置
CN100368689C (zh) * 2004-09-16 2008-02-13 北京化工大学 一种用于旋转流体机械的压差式推力平衡装置
CN101113741B (zh) * 2006-07-26 2011-03-16 上海新沪电机厂有限公司 一种屏蔽泵轴向力的自动平衡装置
US8529191B2 (en) * 2009-02-06 2013-09-10 Fluid Equipment Development Company, Llc Method and apparatus for lubricating a thrust bearing for a rotating machine using pumpage
KR101509814B1 (ko) * 2009-12-02 2015-04-06 현대자동차주식회사 임펠러의 들뜸 현상이 개선된 인라인 타입 냉각수 펌프
DE102009060549A1 (de) * 2009-12-23 2011-06-30 Wilo Se, 44263 EC-Motorkreiselpumpe
KR101700332B1 (ko) * 2015-07-29 2017-02-14 한국해양대학교 산학협력단 반경류 터빈의 추력감소 장치
ITUA20163303A1 (it) * 2016-05-10 2017-11-10 Ind Saleri Italo Spa Gruppo pompa ad azionamento elettrico ed azionamento meccanico con girante supportata
US10801512B2 (en) 2017-05-23 2020-10-13 Vector Technologies Llc Thrust bearing system and method for operating the same
US11085457B2 (en) 2017-05-23 2021-08-10 Fluid Equipment Development Company, Llc Thrust bearing system and method for operating the same
CN109281861A (zh) * 2018-11-28 2019-01-29 珠海格力电器股份有限公司 一种轴向力自动平衡装置、水泵及空调器
CN114483640B (zh) * 2022-01-25 2022-10-28 威乐(中国)水泵系统有限公司 一种离心泵用叶轮和紧凑型工业制冷用泵

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2105485A1 (de) * 1970-08-06 1972-04-06 Nikkiso C Ltd Axialdruckausgleichsvornchtung fur Motorpumpen
US5320482A (en) * 1992-09-21 1994-06-14 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for reducing axial thrust in centrifugal pumps
EP0688955A1 (de) * 1994-06-23 1995-12-27 KSB Aktiengesellschaft Einrichtung zum Axialschubausgleich bei Kreiselpumpen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2105485A1 (de) * 1970-08-06 1972-04-06 Nikkiso C Ltd Axialdruckausgleichsvornchtung fur Motorpumpen
US5320482A (en) * 1992-09-21 1994-06-14 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for reducing axial thrust in centrifugal pumps
EP0688955A1 (de) * 1994-06-23 1995-12-27 KSB Aktiengesellschaft Einrichtung zum Axialschubausgleich bei Kreiselpumpen

Also Published As

Publication number Publication date
TW406166B (en) 2000-09-21
DE69922729D1 (de) 2005-01-27
EP0952352A2 (de) 1999-10-27
DE69922729T2 (de) 2005-12-01
KR19990083231A (ko) 1999-11-25
CN1232928A (zh) 1999-10-27
CN1120937C (zh) 2003-09-10
KR100295011B1 (ko) 2001-07-12
EP0952352B1 (de) 2004-12-22

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