Ferrofluid bearing and seal apparatus

Details Ferrofluid bearing and seal apparatus Ferrofluid bearing and seal apparatus

F - Mech Eng,Light,Heat,Weapons

16

C

277/16, 308/1.5

F16C 32/06 (2006.01) F16C 33/10 (2006.01) F16C 33/74 (2006.01) F16J 15/43 (2006.01)

Patent

CA 1247180

ABSTRACT OF THE DISCLOSURE A composite ferrofluid bearing and seal apparatus which comprises a ferrofluid seal apparatus which contains disposed therein a bearing element, to form a ferrofluid-film bearing with the surface of a shaft, the ferrofluid seal apparatus retaining the bearing ferrofluid film within the bearing cavity, by forming a ferrofluid seal O-ring, held by magnetic flux, at each end of the bearing element, the composite ferrofluid bearing and seal apparatus acting to contain the bearing ferrofluid film within the fluid-film bearing cavity and to exclude gases from being entrained in the ferrofluid.

466362

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