Control moment gyroscope

Details Control moment gyroscope Control moment gyroscope

2011-08-16

2011-08-16

Young, Edwin A (Department: 3655)

Machine element or mechanism

Gyroscopes

Gyroscope control

Reexamination Certificate

active

07997157

ABSTRACT:
A control moment gyroscope (CMG) is provided for deployment on a spacecraft. The CMG includes an inner gimbal assembly (IGA), which, in turn, includes an IGA housing, a rotor rotatably coupled to the IGA housing, and a spin motor coupled to the IGA housing and configured to rotate the rotor about a spin axis. The CMG further comprises a stator assembly, which includes: (i) a stator assembly housing rotatably coupled to the IGA housing, and (ii) a torque module assembly coupled to the stator assembly housing and configured to rotate the IGA about a gimbal axis. A gimbal bearing is disposed between the IGA housing and the stator assembly housing. The gimbal bearing resides between the spin axis and the torque module assembly such that the distance between the gimbal bearing and the spin axis is less than the distance between the gimbal bearing and the torque module assembly.

REFERENCES:
patent: 3171612 (1965-03-01), Hildebrant
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patent: 6135392 (2000-10-01), Wakugawa
patent: 7249531 (2007-07-01), Defendini et al.
patent: 2103793 (1983-02-01), None
patent: 9414653 (1994-07-01), None
EP Search Report dated May 13, 2009, EP 09151897.7.

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