SE9203090L - Eddy current inducing magnetic bearings and use of the bearing - Google Patents

Eddy current inducing magnetic bearings and use of the bearing

Info

Publication number
SE9203090L
SE9203090L SE9203090A SE9203090A SE9203090L SE 9203090 L SE9203090 L SE 9203090L SE 9203090 A SE9203090 A SE 9203090A SE 9203090 A SE9203090 A SE 9203090A SE 9203090 L SE9203090 L SE 9203090L
Authority
SE
Sweden
Prior art keywords
magnets
bearing
eddy current
magnetic bearings
magnetic
Prior art date
Application number
SE9203090A
Other languages
Swedish (sv)
Other versions
SE9203090D0 (en
SE500120C2 (en
Inventor
Torbjoern Lembke
Original Assignee
Torbjoern Lembke
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 Torbjoern Lembke filed Critical Torbjoern Lembke
Priority to SE9203090A priority Critical patent/SE9203090L/en
Publication of SE9203090D0 publication Critical patent/SE9203090D0/en
Priority to AT93116462T priority patent/ATE168173T1/en
Priority to DE59308741T priority patent/DE59308741D1/en
Priority to EP93116462A priority patent/EP0594033B1/en
Priority to JP26519093A priority patent/JP3599763B2/en
Publication of SE500120C2 publication Critical patent/SE500120C2/en
Publication of SE9203090L publication Critical patent/SE9203090L/en

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
    • F16C32/0408—Passive magnetic bearings
    • F16C32/0436—Passive magnetic bearings with a conductor on one part movable with respect to a magnetic field, e.g. a body of copper on one part and a permanent magnet on the other part
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
    • F16C2300/62—Application independent of particular apparatuses related to environment, i.e. operating conditions low pressure, e.g. elements operating under vacuum conditions
    • 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)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention relates to a device for a magnetic bearing, consisting of at least one stabilisation device (10, 20, 30) and preferably at least one relief device (4, 5, 6, 14) for absorbing static forces. At least one stabilisation device (10, 20, 30) consists of magnets (7, 8, 9) which are arranged in pairs on each side of a magnetic, electrically conductive material (1, 2, 3) situated there between and having, for example, a flat shape (1, 3) or the shape of a hollow cylinder (2), which magnets induce oppositely directed eddy currents in the said material. The thickness of the material (1, 2, 3) corresponds at most to the magnetic penetration (skin) depth, with the result that the said eddy currents cancel one another and therefore do not cause any sort of braking force, as long as the material (1, 2, 3) is centred in the middle between the magnets (7, 8, 9). <IMAGE>
SE9203090A 1992-10-22 1992-10-22 Eddy current inducing magnetic bearings and use of the bearing SE9203090L (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9203090A SE9203090L (en) 1992-10-22 1992-10-22 Eddy current inducing magnetic bearings and use of the bearing
AT93116462T ATE168173T1 (en) 1992-10-22 1993-10-12 EDDY CURRENT REDUCING MAGNETIC BEARINGS
DE59308741T DE59308741D1 (en) 1992-10-22 1993-10-12 Eddy current inducing magnetic bearings
EP93116462A EP0594033B1 (en) 1992-10-22 1993-10-12 Eddy current induced magnetic bearing
JP26519093A JP3599763B2 (en) 1992-10-22 1993-10-22 Magnetic support device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9203090A SE9203090L (en) 1992-10-22 1992-10-22 Eddy current inducing magnetic bearings and use of the bearing

Publications (3)

Publication Number Publication Date
SE9203090D0 SE9203090D0 (en) 1992-10-22
SE500120C2 SE500120C2 (en) 1994-04-18
SE9203090L true SE9203090L (en) 1994-04-18

Family

ID=20387531

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9203090A SE9203090L (en) 1992-10-22 1992-10-22 Eddy current inducing magnetic bearings and use of the bearing

Country Status (5)

Country Link
EP (1) EP0594033B1 (en)
JP (1) JP3599763B2 (en)
AT (1) ATE168173T1 (en)
DE (1) DE59308741D1 (en)
SE (1) SE9203090L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE508442C2 (en) * 1997-01-28 1998-10-05 Magnetal Ab Electrodynamic magnetic bearing
JP2006322531A (en) * 2005-05-18 2006-11-30 Oiles Ind Co Ltd Air slider with aerostatic journal bearing
KR100914168B1 (en) * 2007-07-12 2009-08-28 태창엔이티 주식회사 Breaker system using magnetic force
FR2986117B1 (en) 2012-01-24 2014-02-14 Converteam Technology Ltd ELECTRIC MACHINE
FR3089077B1 (en) * 2018-11-27 2020-10-30 Association Pour La Rech Et Le Developpement Des Methodes Et Processus Industriels Armines EQUIPMENT FOR NON-CONTACT MEASUREMENT OF THE WEIGHT OF A MOBILE CREW

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585714A (en) * 1949-03-30 1952-02-12 Gen Electric Magnetic suspension
US3493275A (en) * 1967-12-18 1970-02-03 Little Inc A Vertical suspension system
US3811740A (en) * 1971-04-24 1974-05-21 Cnen Self-centering rotary magnetic suspension device
DE2258324A1 (en) * 1972-11-29 1974-06-12 Messerschmitt Boelkow Blohm MAGNETIC POSITIONING ROTATING BODY
US4988906A (en) * 1988-09-08 1991-01-29 The Dow Chemical Company Magnetic bearing assembly

Also Published As

Publication number Publication date
JPH06200941A (en) 1994-07-19
EP0594033A3 (en) 1995-04-05
EP0594033B1 (en) 1998-07-08
EP0594033A2 (en) 1994-04-27
SE9203090D0 (en) 1992-10-22
ATE168173T1 (en) 1998-07-15
SE500120C2 (en) 1994-04-18
DE59308741D1 (en) 1998-08-13
JP3599763B2 (en) 2004-12-08

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