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Linear magnetic bearingA linear magnetic bearing system having electromagnetic vernier flux paths in shunt relation with permanent magnets, so that the vernier flux does not traverse the permanent magnet, is described. Novelty is believed to reside in providing a linear magnetic bearing having electromagnetic flux paths that bypass high reluctance permanent magnets. Particular novelty is believed to reside in providing a linear magnetic bearing with a pair of axially spaced elements having electromagnets for establishing vernier x and y axis control. The magnetic bearing system has possible use in connection with a long life reciprocating cryogenic refrigerator that may be used on the space shuttle.
Document ID
19830023796
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Studer, P. A. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 4, 2013
Publication Date
June 14, 1983
Subject Category
Mechanical Engineering
Accession Number
83N32067
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-GSC-12517-1|US-PATENT-4,387,935
Patent Application
US-PATENT-APPL-SN-214361

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