DE3567074D1 - Electromagnetic radial bearing with a massive rotor for damping critical frequencies - Google Patents

Electromagnetic radial bearing with a massive rotor for damping critical frequencies

Info

Publication number
DE3567074D1
DE3567074D1 DE8585400549T DE3567074T DE3567074D1 DE 3567074 D1 DE3567074 D1 DE 3567074D1 DE 8585400549 T DE8585400549 T DE 8585400549T DE 3567074 T DE3567074 T DE 3567074T DE 3567074 D1 DE3567074 D1 DE 3567074D1
Authority
DE
Germany
Prior art keywords
radial bearing
critical frequencies
massive rotor
electromagnetic radial
damping
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
Application number
DE8585400549T
Other languages
German (de)
English (en)
Inventor
Helmut Habermann
Maurice Brunet
Alain Gerbier
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.)
Societe Internationale de Mecanique Industrielle SA
Original Assignee
Societe Europeenne de Propulsion SEP SA
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 Societe Europeenne de Propulsion SEP SA filed Critical Societe Europeenne de Propulsion SEP SA
Application granted granted Critical
Publication of DE3567074D1 publication Critical patent/DE3567074D1/de
Expired 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
    • 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
    • F16C32/048—Active magnetic bearings for rotary movement with active support of two degrees of freedom, e.g. radial 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)
DE8585400549T 1984-03-26 1985-03-22 Electromagnetic radial bearing with a massive rotor for damping critical frequencies Expired DE3567074D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8404650A FR2561729B1 (fr) 1984-03-26 1984-03-26 Palier magnetique radial actif a rotor massif pour l'amortissement des frequences critiques

Publications (1)

Publication Number Publication Date
DE3567074D1 true DE3567074D1 (en) 1989-02-02

Family

ID=9302449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585400549T Expired DE3567074D1 (en) 1984-03-26 1985-03-22 Electromagnetic radial bearing with a massive rotor for damping critical frequencies

Country Status (6)

Country Link
US (1) US4866318A (enExample)
EP (1) EP0157694B1 (enExample)
JP (1) JPS60220220A (enExample)
CA (1) CA1249321A (enExample)
DE (1) DE3567074D1 (enExample)
FR (1) FR2561729B1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01116318A (ja) * 1987-10-28 1989-05-09 Natl Aerospace Lab 能動形磁気軸受
US5216308A (en) * 1989-05-25 1993-06-01 Avcon-Advanced Controls Technology, Inc. Magnetic bearing structure providing radial, axial and moment load bearing support for a rotatable shaft
EP0435232B1 (en) * 1989-12-29 1995-05-17 Ebara Corporation Inductance-type displacement sensor having resistance to external magnetic fields
US5059845A (en) * 1990-05-07 1991-10-22 Mechanical Technology Incorporated Active magnetic bearing device for controlling rotor vibrations
US5514924A (en) * 1992-04-30 1996-05-07 AVCON--Advanced Control Technology, Inc. Magnetic bearing providing radial and axial load support for a shaft
US5250865A (en) * 1992-04-30 1993-10-05 Avcon - Advanced Controls Technology, Inc. Electromagnetic thrust bearing for coupling a rotatable member to a stationary member
US5315197A (en) * 1992-04-30 1994-05-24 Avcon - Advance Controls Technology, Inc. Electromagnetic thrust bearing using passive and active magnets, for coupling a rotatable member to a stationary member
US5455472A (en) * 1993-07-06 1995-10-03 United Technologies Corporation Moment imparting bearings for controlling shaft deflection
FR2720456B1 (fr) * 1994-05-25 1996-08-14 Aerospatiale Palier magnétique radial actif sans aimants et à faible trainée.
US5578880A (en) * 1994-07-18 1996-11-26 General Electric Company Fault tolerant active magnetic bearing electric system
US5572079A (en) * 1994-12-21 1996-11-05 Magnetic Bearing Technologies, Inc. Magnetic bearing utilizing brushless generator
US5821656A (en) * 1995-07-11 1998-10-13 United Technologies Corporation Magnetic bearing with reduced control-flux-induced rotor loss
GB2303412B (en) * 1995-07-14 1999-08-11 Glacier Metal Co Ltd Electromagnetic bearing
EP1063753B1 (de) * 1999-06-22 2009-07-22 Levitronix LLC Elektrischer Drehantrieb mit einem magnetisch gelagerten Rotor
US7023118B1 (en) 2002-03-14 2006-04-04 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration System for controlling a magnetically levitated rotor
DE102006018267B4 (de) * 2006-04-20 2008-08-14 Technische Universität Dresden Verfahren zum Ansteuern aktiver Magnetlager
GB2517442A (en) * 2013-08-20 2015-02-25 Univ Catholique Louvain Radial electrodynamic bearing
CN109026995B (zh) * 2018-07-20 2019-10-11 南京航空航天大学 一种抗磁悬浮微型轴承转子系统
US11970952B2 (en) * 2019-09-13 2024-04-30 General Electric Company Method and system for rotor stabilization
CN115126776A (zh) * 2021-03-25 2022-09-30 南京航空航天大学 一种检测和作动一体化的八极式径向磁悬浮轴承

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068374A (en) * 1959-06-22 1962-12-11 Genisco Inc Hysteresis electric motor
DE1933031C3 (de) * 1969-06-30 1978-10-26 Karl 5170 Juelich Boden Magnetische Lagerung
FR2094326A5 (enExample) * 1970-06-17 1972-02-04 Habermann Helmut
US3860300A (en) * 1971-07-07 1975-01-14 Cambridge Thermionic Corp Virtually zero powered magnetic suspension
DE2213465C3 (de) * 1972-03-20 1986-02-13 Padana AG, Zug Elektromagnetisches Lagerelement
FR2336603A1 (fr) * 1975-12-24 1977-07-22 Europ Propulsion Dispositif d'amortissement des frequences critiques d'un rotor suspendu magnetiquement
US4245869A (en) * 1978-08-07 1981-01-20 Padana Ag Magnetic bearings
US4312628A (en) * 1979-05-21 1982-01-26 Cambridge Thermionic Corporation Turbomolecular vacuum pump having virtually zero power magnetic bearing assembly with single axis servo control
JP3528433B2 (ja) * 1996-06-18 2004-05-17 株式会社日本自動車部品総合研究所 蒸気圧縮式冷凍サイクル

Also Published As

Publication number Publication date
CA1249321A (en) 1989-01-24
FR2561729A1 (fr) 1985-09-27
JPH0155806B2 (enExample) 1989-11-27
EP0157694B1 (fr) 1988-12-28
JPS60220220A (ja) 1985-11-02
FR2561729B1 (fr) 1986-08-22
EP0157694A1 (fr) 1985-10-09
US4866318A (en) 1989-09-12

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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: SOCIETE DE MECANIQUE MAGNETIQUE, SAINT-MARCEL, FR

8339 Ceased/non-payment of the annual fee