DE69425698T2 - Magnetlager und umlaufende Maschine mit einem Magnetlager - Google Patents

Magnetlager und umlaufende Maschine mit einem Magnetlager

Info

Publication number
DE69425698T2
DE69425698T2 DE69425698T DE69425698T DE69425698T2 DE 69425698 T2 DE69425698 T2 DE 69425698T2 DE 69425698 T DE69425698 T DE 69425698T DE 69425698 T DE69425698 T DE 69425698T DE 69425698 T2 DE69425698 T2 DE 69425698T2
Authority
DE
Germany
Prior art keywords
magnetic bearing
rotating machine
magnetic
bearing
rotating
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
DE69425698T
Other languages
English (en)
Other versions
DE69425698D1 (de
Inventor
Naohiko Takahashi
Minoru Hiroshima
Osami Matsushista
Yasuo Fukushima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69425698D1 publication Critical patent/DE69425698D1/de
Application granted granted Critical
Publication of DE69425698T2 publication Critical patent/DE69425698T2/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
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0451—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
DE69425698T 1993-05-18 1994-05-17 Magnetlager und umlaufende Maschine mit einem Magnetlager Expired - Fee Related DE69425698T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11559593A JP3319030B2 (ja) 1993-05-18 1993-05-18 磁気軸受の制御装置およびそれを用いた回転機械

Publications (2)

Publication Number Publication Date
DE69425698D1 DE69425698D1 (de) 2000-10-05
DE69425698T2 true DE69425698T2 (de) 2001-05-03

Family

ID=14666506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425698T Expired - Fee Related DE69425698T2 (de) 1993-05-18 1994-05-17 Magnetlager und umlaufende Maschine mit einem Magnetlager

Country Status (4)

Country Link
US (1) US5491396A (de)
EP (1) EP0631215B1 (de)
JP (1) JP3319030B2 (de)
DE (1) DE69425698T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112012005062B4 (de) * 2011-12-05 2016-09-01 Kyky Technology Co., Ltd. Ein Verfahren zur Realisierung des dynamischen Gleichgewichts der Magnetschwebe-Molekularpumpe
DE112012005063B4 (de) * 2011-12-05 2016-09-01 Kyky Technology Co., Ltd. Ein Verfahren zur Realisierung des dynamischen Gleichgewichts der Magnetschwebe-Molekularpumpe

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5666014A (en) * 1994-07-20 1997-09-09 Mechanical Technology Inc. Velocity-controlled magnetic bearings
JP3563167B2 (ja) * 1995-08-31 2004-09-08 セイコーインスツルメンツ株式会社 磁気軸受装置
US5818137A (en) * 1995-10-26 1998-10-06 Satcon Technology, Inc. Integrated magnetic levitation and rotation system
US6074180A (en) 1996-05-03 2000-06-13 Medquest Products, Inc. Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
US5708312A (en) * 1996-11-19 1998-01-13 Rosen Motors, L.P. Magnetic bearing system including a control system for a flywheel and method for operating same
WO1997048169A1 (en) * 1996-06-14 1997-12-18 Rosen Motors, L.P. Magnetic bearing system including a control system for a flywheel and method for operating same
US6348749B1 (en) * 1997-04-14 2002-02-19 Koyo Seiko Co., Ltd. Magnetic bearing device and method of starting the device
JP2000145773A (ja) * 1998-11-13 2000-05-26 Nsk Ltd 磁気軸受装置
US6879126B2 (en) * 2001-06-29 2005-04-12 Medquest Products, Inc Method and system for positioning a movable body in a magnetic bearing system
US6953508B2 (en) * 2003-01-02 2005-10-11 Sumitomo Metal Industries, Ltd. High strength steel weld having improved resistance to cold cracking and a welding method
US20080252596A1 (en) * 2007-04-10 2008-10-16 Matthew Bell Display Using a Three-Dimensional vision System
CN113898604A (zh) * 2021-10-09 2022-01-07 广东美的暖通设备有限公司 轴承系统、制冷设备、离心压缩机及其控制方法、装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090745A (en) * 1974-01-14 1978-05-23 Sperry Rand Corporation Magnetic suspension with magnetic stiffness augmentation
DE2919236C2 (de) * 1979-05-12 1982-08-12 Kernforschungsanlage Jülich GmbH, 5170 Jülich Magnetisches Schwebelager für einen Rotor
FR2561738B1 (fr) * 1984-03-26 1986-08-22 Europ Propulsion Procede et dispositif de reduction des vibrations des machines tournantes equipees d'une suspension magnetique active
JPS60245443A (ja) * 1984-05-18 1985-12-05 Ntn Toyo Bearing Co Ltd 制御式ラジアル磁気軸受装置
JPS61262225A (ja) * 1985-05-13 1986-11-20 Hitachi Ltd 電磁軸受制御装置
FR2606694B1 (fr) * 1986-11-13 1989-03-24 Europ Propulsion Procede et dispositif d'usinage ultra-precis applique a l'execution de surfaces atypiques de revolution et aux usinages asservis
US4961352A (en) * 1988-02-24 1990-10-09 Satcon Technology Corporation Magnetic bearing and suspension system
US4891212A (en) * 1988-12-28 1990-01-02 Ici Americas Inc. Ultraviolet radiation absorbing cyclohexenylidene cyanoacetate ester and amide compositions
JPH0790483B2 (ja) * 1989-02-10 1995-10-04 インターナショナル・ビジネス・マシーンズ・コーポレーション コンプライアンス制御方法及びシステム
DE58906215D1 (de) * 1989-07-10 1993-12-23 Siemens Ag Verfahren und Einrichtung zur Elimination des Einflusses von periodischen Störgrössen mit bekannter, veränderlicher Frequenz.
US5079467A (en) * 1989-07-10 1992-01-07 Regents Of The University Of Minnesota Radial drive for fluid pump
JPH048911A (ja) * 1990-04-27 1992-01-13 Toshiba Corp 磁気軸受装置
US5115192A (en) * 1990-11-06 1992-05-19 Nova Corporation Of Alberta Magnetic displacement transducer with saturation compensation
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
DE69319004T2 (de) * 1992-03-09 1998-12-24 Hitachi Ltd Verfahren und Gerät zur Steuerung eines Magnetlagers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112012005062B4 (de) * 2011-12-05 2016-09-01 Kyky Technology Co., Ltd. Ein Verfahren zur Realisierung des dynamischen Gleichgewichts der Magnetschwebe-Molekularpumpe
DE112012005063B4 (de) * 2011-12-05 2016-09-01 Kyky Technology Co., Ltd. Ein Verfahren zur Realisierung des dynamischen Gleichgewichts der Magnetschwebe-Molekularpumpe

Also Published As

Publication number Publication date
EP0631215A3 (de) 1995-02-08
EP0631215A2 (de) 1994-12-28
JP3319030B2 (ja) 2002-08-26
US5491396A (en) 1996-02-13
JPH06330942A (ja) 1994-11-29
DE69425698D1 (de) 2000-10-05
EP0631215B1 (de) 2000-08-30

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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