1978-03-14
1980-07-08
Skudy, R.
Cutlery
74 546, 244165, 310 74, F16C 3900
Patent
active
042114527
ABSTRACT:
An inertia wheel more particularly adapted to space applications. It includes the combination of a peripherical type of motor with permanent magnet on the rotor and ironless winding on the stator. The current of said winding is switched electronically by an amplitude modulation system, associated to a reactance coefficient varying circuit, and reversal of the direction of rotation of which is achieved by permutation of the control circuits. There are also provided bearings formed by a passive radial magnetic centering device and a redundant active axial magnetic centering device slaved to an axial rate detector.
REFERENCES:
patent: 3790235 (1974-05-01), Kaiser
patent: 3888553 (1975-06-01), Wehde
patent: 3955858 (1976-05-01), Poubeau
patent: 4077678 (1978-03-01), Studer
patent: 4082376 (1978-04-01), Wehde
Magnetic Bearings Support Satelite Flywheel; 9/30/73; Machine Design, vol. 45, No. 23. _
Wissenschfftlich Bericht AEG-Telefunken; 1971; vol. 44; pp. 21-25. _
Flocks Karl W.
Skudy R.
Societe Nationale Industrielle Aerospatiale
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