DE3175878D1 - Linear magnetic bearings - Google Patents

Linear magnetic bearings

Info

Publication number
DE3175878D1
DE3175878D1 DE8181107072T DE3175878T DE3175878D1 DE 3175878 D1 DE3175878 D1 DE 3175878D1 DE 8181107072 T DE8181107072 T DE 8181107072T DE 3175878 T DE3175878 T DE 3175878T DE 3175878 D1 DE3175878 D1 DE 3175878D1
Authority
DE
Germany
Prior art keywords
magnetic bearings
linear magnetic
linear
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
Application number
DE8181107072T
Other languages
English (en)
Inventor
Michael Philip Goldowsky
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.)
National Aeronautics and Space Administration NASA
Original Assignee
National Aeronautics and Space Administration NASA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22822564&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3175878(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by National Aeronautics and Space Administration NASA filed Critical National Aeronautics and Space Administration NASA
Application granted granted Critical
Publication of DE3175878D1 publication Critical patent/DE3175878D1/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
    • F16C29/00—Bearings for parts moving only linearly
    • 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
    • F16C32/0472—Active magnetic bearings for linear movement
DE8181107072T 1980-12-24 1981-09-09 Linear magnetic bearings Expired DE3175878D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22021380A 1980-12-24 1980-12-24

Publications (1)

Publication Number Publication Date
DE3175878D1 true DE3175878D1 (en) 1987-03-05

Family

ID=22822564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181107072T Expired DE3175878D1 (en) 1980-12-24 1981-09-09 Linear magnetic bearings

Country Status (6)

Country Link
EP (1) EP0054617B1 (de)
JP (1) JPS57146913A (de)
AU (1) AU547809B2 (de)
CA (1) CA1164515A (de)
DE (1) DE3175878D1 (de)
IE (1) IE52454B1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389849A (en) * 1981-10-02 1983-06-28 Beggs James M Administrator Of Stirling cycle cryogenic cooler
EP0098002B1 (de) * 1982-06-30 1988-10-26 Koninklijke Philips Electronics N.V. Linearer Magnetschwebemotor
FR2570488B1 (fr) * 1984-09-19 1987-01-09 Europ Propulsion Dispositif de detection magnetique des deplacements radiaux d'un rotor
JPS6185060A (ja) * 1984-09-29 1986-04-30 Toshiba Corp 非接触位置決め装置
JPH0637895B2 (ja) * 1986-09-12 1994-05-18 株式会社日立製作所 電磁軸受制御装置
FR2609123A1 (fr) * 1986-12-31 1988-07-01 Mecanique Magnetique Sa Palier fluide hybride a raideur modifiee par effet electromagnetique
FR2625048B1 (fr) * 1987-12-16 1990-06-01 Aerospatiale Moteur electrique a haut rendement et a faible ondulation de couple
GB2221064B (en) * 1988-07-19 1992-04-29 Glacier Metal Co Ltd Improvements in and relating to bearings
US5111102A (en) * 1989-05-25 1992-05-05 Meeks Crawford R Magnetic bearing structure
CA2059278A1 (en) * 1989-06-07 1990-12-08 Erik Astrand Spinning wheel unit for the fibration of mineral melt by means of centrifugal forces
ATE134793T1 (de) * 1991-07-11 1996-03-15 Laube Hans Juergen Aus mehreren einzelmagnetkörpern zusammengesetzter magnetkörper und eine dauermagnetische schwebelagerung mit aus mehreren einzelmagneten zusammengesetztem gesamtmagnetkörper
FR2720456B1 (fr) * 1994-05-25 1996-08-14 Aerospatiale Palier magnétique radial actif sans aimants et à faible trainée.
US5627421A (en) * 1994-10-28 1997-05-06 Barber-Colman Company High efficiency drive circuit for an active magnetic bearing system
US6365996B2 (en) 1995-08-18 2002-04-02 Lust Antriebstechnik Gmbh Radial active magnetic bearing apparatus and a method for operating the same
GB9619854D0 (en) * 1996-09-24 1996-11-06 British Nuclear Fuels Plc Electromagnetic suspension apparatus and method of controlling the same
GB2363864B (en) 2000-06-23 2004-08-18 Rolls Royce Plc A control arrangement
CN105114457B (zh) * 2015-08-24 2017-06-09 南京邮电大学 一种轴向径向电励磁磁轴承
CN112610604B (zh) * 2020-12-30 2022-10-14 四川龙天精工科技有限公司 一种基于电磁力调节的气磁混合支承误差补偿方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE330994C (de) * 1919-04-26 1920-12-28 Franz Van Treeck Elastisches Lager
US3112962A (en) * 1962-01-17 1963-12-03 Gen Motors Corp Magnetic suspension system
US3243238A (en) * 1962-07-20 1966-03-29 Lyman Joseph Magnetic suspension
US3787100A (en) * 1972-12-11 1974-01-22 Armement Direction Tech Engins Devices including rotating members supported by magnetic bearings
DE2420814C3 (de) * 1974-04-30 1980-10-16 Padana Ag, Zug (Schweiz) Magnetlager mit einem Lagerelement zur Festlegung eines translatorischen Freiheitsgrades
US4180946A (en) * 1975-10-02 1980-01-01 Maurice Brunet Tool holding spindle assembly particularly for a grinding machine

Also Published As

Publication number Publication date
AU547809B2 (en) 1985-11-07
JPS613968B2 (de) 1986-02-06
JPS57146913A (en) 1982-09-10
AU7495981A (en) 1982-07-01
EP0054617A1 (de) 1982-06-30
EP0054617B1 (de) 1987-01-28
IE52454B1 (en) 1987-11-11
IE812058L (en) 1982-06-24
CA1164515A (en) 1984-03-27

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee