Control moment gyro having spherical rotor with permanent magnet

Details Control moment gyro having spherical rotor with permanent magnet Control moment gyro having spherical rotor with permanent magnet

1994-12-15

1995-12-19

Bonck, Rodney H.

Machine element or mechanism

Gyroscopes

With rotor drive

74 546, G01C 1924, G01C 1908

Patent

active

054760186

ABSTRACT:
A multi-freedom electric motor has a broad operational range and a wide space for accommodating an article. The electric motor includes a spherical rotor, a plurality of magnets disposed on an outer surface of the rotor with polarities of the respective adjacent magnetic poles being different from one another, a stator provided along the outer surface of the rotor, and a plurality of magnets opposed to the magnets disposed on an inner surface of the stator. The rotor is supported by a spherical bearing provided on the stator. Either the magnets on the rotor or the magnets on the stator are electromagnets. Electric current are supplied to the electromagnets as controlled by a controller. The multi-freedom electric motor can be employed in a space stabilizer for maintaining the spherical attitude of an article, a control moment gyro for performing an attitude control in space, and an agitating apparatus.

REFERENCES:
patent: 2534824 (1950-12-01), Jones
patent: 3209602 (1965-10-01), Biderman
patent: 3216263 (1965-11-01), Culver et al.
patent: 3273406 (1966-09-01), Epstein et al.
patent: 3854341 (1974-12-01), Quermann
patent: 4441375 (1984-04-01), Minohara et al.
patent: 4757220 (1988-07-01), Pouillange
patent: 4908558 (1990-03-01), Lordo et al.

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