Hydraulic shaft damper pressure control

Details Hydraulic shaft damper pressure control Hydraulic shaft damper pressure control

1991-04-17

1992-09-22

Footland, Lenard A.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

248562, F16C 3904

Patent

active

051492067

ABSTRACT:
A flow control ring in a concentric groove in the outer surface of an outer rolling element bearing race of a shaft fluid damper has an inner diameter larger than the inner diameter of the groove and moves in the groove to control discharge of damper fluid through radial fluid flow passages in the groove for fluid pressure control in the damper.

REFERENCES:
patent: 4669893 (1987-06-01), Chalaire et al.
patent: 4775248 (1988-10-01), Barbic et al.
patent: 4782919 (1988-11-01), Chalaire et al.
patent: 4783179 (1988-11-01), Katayama et al.
patent: 4947639 (1990-08-01), Hibner et al.
patent: 4992024 (1991-02-01), Heydrich
patent: 5067825 (1991-11-01), Vance et al.
Experimental Measurement of the Dynamic Force Response of a Squeeze-Film Bearing Damper, by John M. Vance-Transactions of the ASME, Nov. 1975, pp. 1282-1290.

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