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DE69515967D1 - Magnetlagervorrichtung - Google Patents

Magnetlagervorrichtung

Info

Publication number
DE69515967D1
DE69515967D1 DE69515967T DE69515967T DE69515967D1 DE 69515967 D1 DE69515967 D1 DE 69515967D1 DE 69515967 T DE69515967 T DE 69515967T DE 69515967 T DE69515967 T DE 69515967T DE 69515967 D1 DE69515967 D1 DE 69515967D1
Authority
DE
Germany
Prior art keywords
bearing device
magnetic bearing
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
DE69515967T
Other languages
English (en)
Other versions
DE69515967T2 (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 Seiki KK
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 Seiki KK filed Critical Seiko Seiki KK
Publication of DE69515967D1 publication Critical patent/DE69515967D1/de
Application granted granted Critical
Publication of DE69515967T2 publication Critical patent/DE69515967T2/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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/04—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/048—Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps comprising 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
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0446—Determination of the actual position of the moving member, e.g. details of sensors
    • 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
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial 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
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
DE1995615967 1994-12-05 1995-12-04 Magnetlagervorrichtung Expired - Fee Related DE69515967T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30120794A JPH08159157A (ja) 1994-12-05 1994-12-05 磁気軸受装置

Publications (2)

Publication Number Publication Date
DE69515967D1 true DE69515967D1 (de) 2000-05-04
DE69515967T2 DE69515967T2 (de) 2000-12-07

Family

ID=17894077

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995615967 Expired - Fee Related DE69515967T2 (de) 1994-12-05 1995-12-04 Magnetlagervorrichtung

Country Status (3)

Country Link
EP (1) EP0716241B1 (de)
JP (1) JPH08159157A (de)
DE (1) DE69515967T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762307A (en) * 1996-05-23 1998-06-09 Irvin Automotive Products Retractable automotive cupholder for compact storage in an interior storage compartment
JP3782606B2 (ja) 1999-03-11 2006-06-07 株式会社荏原製作所 磁気浮上装置
DE10119075A1 (de) * 2001-04-19 2002-10-24 Leybold Vakuum Gmbh Vakuumleitung
JP2003013953A (ja) * 2001-06-26 2003-01-15 Koyo Seiko Co Ltd 磁気軸受装置
JP2006214528A (ja) * 2005-02-04 2006-08-17 Jtekt Corp 磁気軸受装置の変位検出装置
JP4965596B2 (ja) * 2009-03-19 2012-07-04 株式会社荏原製作所 ターボ型真空ポンプ
WO2013012491A1 (en) * 2011-07-15 2013-01-24 Carrier Corporation Compressor clearance control
CN104533946B (zh) * 2015-01-05 2017-10-31 山东大学 一种由轴向磁轴承实现转子五自由度悬浮结构
JP7003418B2 (ja) 2017-02-17 2022-01-20 株式会社島津製作所 磁気軸受装置および真空ポンプ
CN113719539B (zh) * 2021-08-25 2023-02-03 中国人民解放军海军工程大学 磁悬浮轴承位移传感器容错控制系统及控制方法
CN113833757B (zh) * 2021-09-23 2022-08-02 北京航空航天大学 一种五自由度转子轴向位移自传感磁悬浮轴承

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841296A (ja) * 1981-09-04 1983-03-10 Seiko Instr & Electronics Ltd 磁気軸受を応用した小型軸流分子ポンプ
JPS59170526A (ja) * 1983-03-16 1984-09-26 Yaskawa Electric Mfg Co Ltd 磁気軸受装置の制御方法
JPS61211523A (ja) * 1985-03-15 1986-09-19 Koyo Seiko Co Ltd ５自由度制御形磁気軸受装置
JPH0781812B2 (ja) * 1985-05-31 1995-09-06 株式会社東芝 磁気軸受装置
JP2516382B2 (ja) * 1987-11-06 1996-07-24 セイコー精機株式会社 磁気軸受を主軸にもつ加工装置
JPH0680920B2 (ja) * 1988-06-16 1994-10-12 タツタ電線株式会社 転写回路付き射出成形体
JP3135410B2 (ja) * 1993-04-14 2001-02-13 光洋精工株式会社 磁気軸受装置
JPH07256503A (ja) * 1994-03-17 1995-10-09 Seiko Seiki Co Ltd スピンドル装置

Also Published As

Publication number Publication date
DE69515967T2 (de) 2000-12-07
EP0716241B1 (de) 2000-03-29
EP0716241A1 (de) 1996-06-12
JPH08159157A (ja) 1996-06-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEIKO INSTRUMENTS INC., CHIBA, JP

8339 Ceased/non-payment of the annual fee