Apparatus for supporting a rotating shaft in a rotary machine

Details Apparatus for supporting a rotating shaft in a rotary machine Apparatus for supporting a rotating shaft in a rotary machine

1990-04-11

1991-01-08

Footland, Lenard A.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

384399, 184 611, F16C 3206

Patent

active

049830511

ABSTRACT:
A rotary machine 10 includes a rotor shaft 40 and a support system 63 for the shaft. The support system includes a spring 68 and viscous damper 70.
Means for removing oil from the damper at preselected rotor speeds is provided and in one embodiment permits operating the engine over a rotor speed range which avoids critical speeds.

REFERENCES:
patent: 3124395 (1964-03-01), Sternlicht
patent: 4643592 (1987-02-01), Lewis et al.
patent: 4775248 (1988-10-01), Barbic et al.
patent: 4782919 (1988-11-01), Chalaire et al.

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