Reaction wheel and method of safing wheel

Details Reaction wheel and method of safing wheel Reaction wheel and method of safing wheel

1993-03-09

1995-12-12

Grant, William

Aeronautics and astronautics

Spacecraft

Attitude control

74 512, B64G 128

Patent

active

054742633

ABSTRACT:
An improved reaction wheel assembly and method is provided whereby a reaction wheel assembly contains a safing mechanism for securing the assembly. A rotor shaft assembly and bearings are provided whereby a reaction wheel assembly selectively may be either safe or operational, and the safing assembly provides for application of stabilizing force longitudinally along the axis of rotation of a rotor shaft. Further, a method of providing momentum stabilization to a vehicle using this apparatus is provided. A safing mechanism for releasably securing a reaction wheel rotor assembly of a satellite during launch is disclosed.

REFERENCES:
patent: 3019662 (1962-02-01), Gahn
patent: 3020769 (1962-02-01), Bentley et al.
patent: 3311326 (1967-03-01), Scotto et al.
patent: 4322984 (1982-04-01), Lasker et al.
patent: 4606239 (1986-08-01), Guerin
patent: 4872357 (1989-10-01), Vaillant De Guelis et al.
patent: 5390554 (1995-02-01), Silvent
Patent Disclosure No. A6614652, Teldix RWA Rotor Vibration Suppression Via Tuning Details and RCA RWA Rotor Vibration Suppression Via Strapping and Pyrotechnics Details.

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