CN1120937C - 推力平衡装置 - Google Patents

推力平衡装置 Download PDF

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Publication number
CN1120937C
CN1120937C CN99105578A CN99105578A CN1120937C CN 1120937 C CN1120937 C CN 1120937C CN 99105578 A CN99105578 A CN 99105578A CN 99105578 A CN99105578 A CN 99105578A CN 1120937 C CN1120937 C CN 1120937C
Authority
CN
China
Prior art keywords
impeller
thrust
peripheral surface
fluid
thrust balance
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.)
Expired - Lifetime
Application number
CN99105578A
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English (en)
Chinese (zh)
Other versions
CN1232928A (zh
Inventor
久保田康志
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 CN1232928A publication Critical patent/CN1232928A/zh
Application granted granted Critical
Publication of CN1120937C publication Critical patent/CN1120937C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/2261—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
    • F04D29/66—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
    • F04D29/04—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)
CN99105578A 1998-04-20 1999-04-14 推力平衡装置 Expired - Lifetime CN1120937C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP109720/98 1998-04-20
JP109720/1998 1998-04-20
JP10972098 1998-04-20

Publications (2)

Publication Number Publication Date
CN1232928A CN1232928A (zh) 1999-10-27
CN1120937C true CN1120937C (zh) 2003-09-10

Family

ID=14517524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99105578A Expired - Lifetime CN1120937C (zh) 1998-04-20 1999-04-14 推力平衡装置

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (11)

* 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
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938641B1 (de) * 1970-08-06 1974-10-19
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
DE4421888A1 (de) * 1994-06-23 1996-01-04 Klein Schanzlin & Becker Ag Einrichtung zum Axialschubausgleich bei Kreiselpumpen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
EP0952352A2 (de) 1999-10-27
CN1232928A (zh) 1999-10-27
EP0952352A3 (de) 2001-05-30
KR19990083231A (ko) 1999-11-25
DE69922729T2 (de) 2005-12-01
TW406166B (en) 2000-09-21
DE69922729D1 (de) 2005-01-27
EP0952352B1 (de) 2004-12-22
KR100295011B1 (ko) 2001-07-12

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GR01 Patent grant
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Granted publication date: 20030910

CX01 Expiry of patent term