Method of operating a rotating assembly

Details Method of operating a rotating assembly Method of operating a rotating assembly

1995-11-24

1997-04-08

Footland, Lenard A.

Bearings

Rotary bearing

Fluid bearing

384 99, F16C 3206

Patent

active

056181159

ABSTRACT:
A rotating assembly (10) comprises an inner (12) and an outer ring (14) having a hydrostatic bearing therebetween. The bearing incorporates fluid passageways (30 and 32) between confronting surfaces (22, 24, 26 and 28) of the rings (12 and 14). When rotation is required the surfaces (22, 24, 26 and 28) are separated by the supply of a pressurised flow of fluid to both of the passageways (30 and 32). The bearing can be locked to prevent rotation by removal of the fluid in one of the passageways (32) whilst maintaining the flow of pressurised fluid in the other passageway (30) so as to hold confronting surfaces (26 and 28) in contact with one another. Frictional forces between the confronting surfaces (26 and 28) prevents rotation of the ring (14) and the flow of pressurised fluid prevents the confronting surfaces (26 and 28) separating under the application of a moment.

REFERENCES:
patent: 3575334 (1971-04-01), Stamm
patent: 3721480 (1973-03-01), Dee
patent: 4005916 (1977-02-01), Dillon
patent: 4884899 (1989-12-01), Schwartzman

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