DE68914740D1 - Magnetlager. - Google Patents

Magnetlager.

Info

Publication number
DE68914740D1
DE68914740D1 DE68914740T DE68914740T DE68914740D1 DE 68914740 D1 DE68914740 D1 DE 68914740D1 DE 68914740 T DE68914740 T DE 68914740T DE 68914740 T DE68914740 T DE 68914740T DE 68914740 D1 DE68914740 D1 DE 68914740D1
Authority
DE
Germany
Prior art keywords
magnetic bearings
bearings
magnetic
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
DE68914740T
Other languages
English (en)
Other versions
DE68914740T2 (de
Inventor
Akira Nippon Ferroflu Yamamura
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.)
NIPPON FERROFLUIDICS KK
Original Assignee
NIPPON FERROFLUIDICS 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 NIPPON FERROFLUIDICS KK filed Critical NIPPON FERROFLUIDICS KK
Application granted granted Critical
Publication of DE68914740D1 publication Critical patent/DE68914740D1/de
Publication of DE68914740T2 publication Critical patent/DE68914740T2/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
    • 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
    • F16C32/0459—Details of the magnetic circuit
    • F16C32/0461—Details of the magnetic circuit of stationary parts of the magnetic circuit
    • F16C32/0465—Details of the magnetic circuit of stationary parts of the magnetic circuit with permanent magnets provided in the magnetic circuit of the electromagnets
    • 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
    • F16C32/0448—Determination of the actual position of the moving member, e.g. details of sensors by using the electromagnet itself as sensor, e.g. sensorless 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
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
DE68914740T 1988-07-29 1989-07-27 Magnetlager. Expired - Fee Related DE68914740T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63191078A JP3131619B2 (ja) 1988-07-29 1988-07-29 磁気軸受装置

Publications (2)

Publication Number Publication Date
DE68914740D1 true DE68914740D1 (de) 1994-05-26
DE68914740T2 DE68914740T2 (de) 1994-12-01

Family

ID=16268499

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914740T Expired - Fee Related DE68914740T2 (de) 1988-07-29 1989-07-27 Magnetlager.

Country Status (4)

Country Link
EP (1) EP0352795B1 (de)
JP (1) JP3131619B2 (de)
KR (1) KR0157969B1 (de)
DE (1) DE68914740T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3421903B2 (ja) * 1996-07-16 2003-06-30 光洋精工株式会社 工作機械用磁気軸受スピンドル装置
EP2886889B1 (de) * 2013-12-17 2016-04-27 Skf Magnetic Mechatronics Digitaler nicht-linearer Korrektor für aktive Magnetlager

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2355104A1 (de) * 1973-11-03 1975-05-15 Bbc Brown Boveri & Cie Elektromagnetisches axiallager
FR2336603A1 (fr) * 1975-12-24 1977-07-22 Europ Propulsion Dispositif d'amortissement des frequences critiques d'un rotor suspendu magnetiquement
DE2741062A1 (de) * 1977-09-13 1979-03-22 Teldix Gmbh Anordnung zur magnetischen lagerung
FR2417797A1 (fr) * 1978-02-20 1979-09-14 Europ Propulsion Dispositif de compensation du grain d'un circuit asservi par contre-reaction en courant
DE3202866A1 (de) * 1982-01-29 1983-08-11 Teldix Gmbh, 6900 Heidelberg Regelkreis
JPS59212519A (ja) * 1983-05-14 1984-12-01 Ntn Toyo Bearing Co Ltd 磁気軸受の制御装置
FR2574880A1 (fr) * 1984-12-14 1986-06-20 Jeumont Schneider Systeme formant butee magnetique axiale pour machine tournante
JPS61152819A (ja) * 1984-12-26 1986-07-11 Toray Ind Inc 改質ポリエステル繊維の製造法
JPS621175A (ja) * 1985-06-26 1987-01-07 Nippon Gakki Seizo Kk サ−ボ回路
JP2869725B2 (ja) * 1987-11-25 1999-03-10 光洋精工株式会社 磁気軸受の制御装置

Also Published As

Publication number Publication date
EP0352795A3 (en) 1990-10-31
DE68914740T2 (de) 1994-12-01
EP0352795A2 (de) 1990-01-31
KR0157969B1 (ko) 1999-05-01
JP3131619B2 (ja) 2001-02-05
EP0352795B1 (de) 1994-04-20
KR910003279A (ko) 1991-02-27
JPH0242210A (ja) 1990-02-13

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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