Backup bearing for magnetic bearings

Details Backup bearing for magnetic bearings Backup bearing for magnetic bearings

1994-10-18

1998-02-03

LaBalle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 709

Patent

active

057148180

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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patent: 5126612 (1992-06-01), Girault
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patent: 5231323 (1993-07-01), New
Search Report on Application No. GB 9518660.7.

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