Bearings – Rotary bearing – Fluid bearing
Patent
1984-10-23
1987-02-10
Levy, Stuart S.
Bearings
Rotary bearing
Fluid bearing
384624, 310 905, F16C 1720, F16C 3204
Patent
active
046419780
ABSTRACT:
A bearing system includes backup bearings for supporting a rotating shaft upon failure of primary bearings. In the preferred embodiment, the backup bearings are rolling element bearings having their rolling elements disposed out of contact with their associated respective inner races during normal functioning of the primary bearings. Displacement detection sensors are provided for detecting displacement of the shaft upon failure of the primary bearings. Upon detection of the failure of the primary bearings, the rolling elements and inner races of the backup bearings are brought into mutual contact by axial displacement of the shaft.
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patent: 4063787 (1977-12-01), Bakken et al.
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patent: 4425010 (1984-01-01), Bryant et al.
patent: 4434448 (1984-02-01), Bell et al.
"Application of Active Magnetic Bearings to Industrial Rotating Machinery--ACTIDYNE", Societe de Mecanique Magnetique, 27204 Vernon Cedex, France, date unknown.
"The Active Magnetic Bearing Enables Optimum Control of Machine Vibrations", 18 pgs., by Helmut Habermann and Maurice Brunet, Societe de Mecanique Magnetique, 27204 Vernon Cedex, France, date unknown.
Levy Stuart S.
The United States of America as represented by the United States
Werner David
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