Spacecraft component bearing

Details Spacecraft component bearing Spacecraft component bearing

1991-10-28

1995-02-21

Brown, David

Machine element or mechanism

Gyroscopes

With caging or parking means

310 90, G01C 1976, F16C 3900

Patent

active

053905547

ABSTRACT:
A spacecraft component bearing unit for resisting axial lead due to launch vibration. This component includes a stator having drive coils, an inertia wheel having a ring magnet, a shaft having a fixed upper bearing cartridge and a floating lower bearing cartridge mounted on the stator and supporting the inertia wheel, three snubber units spaced peripherally at equal angles around an axis of the shaft, and each snubber unit having a piston with a face engaging the shaft and having a bellows connected to the piston for withdrawing the piston from contact with the shaft upon exposure to vacuum pressure at launch completion.

REFERENCES:
patent: 2959695 (1960-11-01), Huff
patent: 4182967 (1980-01-01), Jordan
patent: 4211452 (1980-07-01), Poubeau
patent: 4566740 (1986-01-01), Beau et al.
patent: 4872357 (1989-10-01), Vaillant De Guelis et al.
patent: 5027926 (1991-07-01), Cox

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