DE69720573T2 - Magnetlagergerät mit Elektromagnet zur radialer Positionskorrektur - Google Patents

Magnetlagergerät mit Elektromagnet zur radialer Positionskorrektur

Info

Publication number
DE69720573T2
DE69720573T2 DE69720573T DE69720573T DE69720573T2 DE 69720573 T2 DE69720573 T2 DE 69720573T2 DE 69720573 T DE69720573 T DE 69720573T DE 69720573 T DE69720573 T DE 69720573T DE 69720573 T2 DE69720573 T2 DE 69720573T2
Authority
DE
Germany
Prior art keywords
electromagnet
bearing device
radial position
position correction
magnetic bearing
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 - Fee Related
Application number
DE69720573T
Other languages
English (en)
Other versions
DE69720573D1 (de
Inventor
Yasushi Maejima
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of DE69720573D1 publication Critical patent/DE69720573D1/de
Application granted granted Critical
Publication of DE69720573T2 publication Critical patent/DE69720573T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/0485—Active magnetic bearings for rotary movement with active support of three degrees of freedom
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
    • F16C2360/45—Turbo-molecular pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
DE69720573T 1996-01-31 1997-01-20 Magnetlagergerät mit Elektromagnet zur radialer Positionskorrektur Expired - Fee Related DE69720573T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08035725A JP3114085B2 (ja) 1996-01-31 1996-01-31 半径方向位置修正電磁石付磁気軸受装置

Publications (2)

Publication Number Publication Date
DE69720573D1 DE69720573D1 (de) 2003-05-15
DE69720573T2 true DE69720573T2 (de) 2003-11-20

Family

ID=12449835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720573T Expired - Fee Related DE69720573T2 (de) 1996-01-31 1997-01-20 Magnetlagergerät mit Elektromagnet zur radialer Positionskorrektur

Country Status (5)

Country Link
US (1) US6023115A (de)
EP (1) EP0787918B1 (de)
JP (1) JP3114085B2 (de)
KR (1) KR970059520A (de)
DE (1) DE69720573T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100280754B1 (ko) * 1997-12-17 2001-03-02 윤종용 예비 베어링을 갖는 자기 베어링 모듈
JP2001041236A (ja) * 1999-07-26 2001-02-13 Seiko Seiki Co Ltd 磁気軸受装置
US6429561B1 (en) 2000-06-07 2002-08-06 Mainstream Engineering Corporation Magnetic bearing system and method of controlling magnetic bearing system
JP2008038935A (ja) * 2006-08-01 2008-02-21 Boc Edwards Kk 軸受装置、及びターボ分子ポンプ
DE102007001201A1 (de) * 2007-01-05 2008-07-10 Oerlikon Leybold Vacuum Gmbh Verfahren zur Ermittlung von Resonanzfrequenzen eines magnetgelagerten Rotors
DE102009055888A1 (de) * 2009-11-26 2011-06-01 Oerlikon Leybold Vacuum Gmbh Vakuumpumpe
US9492599B2 (en) 2012-08-31 2016-11-15 Thoratec Corporation Hall sensor mounting in an implantable blood pump
WO2014036410A1 (en) 2012-08-31 2014-03-06 Thoratec Corporation Start-up algorithm for an implantable blood pump
EP2829756B1 (de) * 2013-07-26 2016-06-29 SKF Magnetic Mechatronics S.A.S. Hilfskugellager für ein magnetisch aufgehängtes Rotorsystem
CN106438697A (zh) * 2016-11-21 2017-02-22 南京磁谷科技有限公司 一种轴向磁轴承结构
CN107121707B (zh) * 2017-05-09 2018-12-25 深圳清华大学研究院 一种三轴磁传感器测量基准与结构基准的误差校正方法
CN107387562A (zh) * 2017-08-29 2017-11-24 南京磁谷科技有限公司 一种推力磁轴承同轴电磁铁结构
KR102390628B1 (ko) * 2020-08-06 2022-04-26 이장문 비말 감염 방지를 위한 방역 장치
CN112303121B (zh) * 2020-10-27 2021-09-28 浙江大学 一种具有三自由度磁轴承的磁悬浮泵

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933031C3 (de) * 1969-06-30 1978-10-26 Karl 5170 Juelich Boden Magnetische Lagerung
FR2336603A1 (fr) * 1975-12-24 1977-07-22 Europ Propulsion Dispositif d'amortissement des frequences critiques d'un rotor suspendu magnetiquement
JPS5663116A (en) * 1979-10-26 1981-05-29 Seiko Instr & Electronics Ltd Magnetic bearing device
JPH0646036B2 (ja) * 1982-11-19 1994-06-15 セイコー電子工業株式会社 軸流分子ポンプ
US4568865A (en) * 1983-11-29 1986-02-04 Motornetics Corporation Self-corrected synchro/resolver
JPS60256620A (ja) * 1984-06-01 1985-12-18 Natl Aerospace Lab 剛性可変機構を有する磁気軸受
JPS61262225A (ja) * 1985-05-13 1986-11-20 Hitachi Ltd 電磁軸受制御装置
JPH01116318A (ja) * 1987-10-28 1989-05-09 Natl Aerospace Lab 能動形磁気軸受
US5355042A (en) * 1988-09-09 1994-10-11 University Of Virginia Patent Foundation Magnetic bearings for pumps, compressors and other rotating machinery
US4963804A (en) * 1989-07-10 1990-10-16 Westinghouse Electric Corp. Apparatus and method for reducing vibration of rotating machinery
US4999534A (en) * 1990-01-19 1991-03-12 Contraves Goerz Corporation Active vibration reduction in apparatus with cross-coupling between control axes
JPH04219493A (ja) * 1990-08-10 1992-08-10 Ebara Corp ターボ分子ポンプ
US5107192A (en) * 1990-12-26 1992-04-21 Sundstrand Corporation Magnetic bearing control at critical shaft speeds
JP2976578B2 (ja) * 1991-05-30 1999-11-10 株式会社日立製作所 ロータのバランス修正方法
JP3090977B2 (ja) * 1991-05-31 2000-09-25 株式会社日立製作所 磁気軸受けの制御方法及び装置
JP3296074B2 (ja) * 1994-03-18 2002-06-24 株式会社日立製作所 高速回転体およびそれに用いる磁気軸受の制御装置

Also Published As

Publication number Publication date
DE69720573D1 (de) 2003-05-15
US6023115A (en) 2000-02-08
JPH09210061A (ja) 1997-08-12
JP3114085B2 (ja) 2000-12-04
EP0787918B1 (de) 2003-04-09
KR970059520A (ko) 1997-08-12
EP0787918A2 (de) 1997-08-06
EP0787918A3 (de) 1998-06-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee