Backup bearing for magnetic bearings
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United States of America Patent
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Feb 3, 1998
Grant Date -
N/A
app pub date -
Oct 18, 1994
filing date -
Oct 18, 1994
priority date (Note) -
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Abstract
A backup bearing for use with magnetic bearings to support a rotating shaft in the event that the magnetic bearings fail due to the loss of electric power. The backup bearing includes a housing and a fluid film bearing element which is adapted to passively float in the housing and with the shaft during normal operation of the magnetic bearings and which is adapted to support the rotating shaft on a film of fluid if the magnetic bearings fail.
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