Deflector motor with gas bearing and magnet thrust bearing

Details Deflector motor with gas bearing and magnet thrust bearing Deflector motor with gas bearing and magnet thrust bearing

1991-07-03

1992-12-15

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310156, 384115, H02K 709

Patent

active

051720213

ABSTRACT:
An electric motor, in which the thrust bearing action is performed by the magnetic attraction forces induced between a annular stator core with toroidal coils and magnets confronting the stator core, includes at least a cup-shaped member with a central cylindrical portion opened at the center, the cup-shaped member serving as a magnet yoke and a seat on which an element to be driven by the motor is mounted, and a cylindrical rotary sleeve press-fitted in the central cylindrical portion. This construction contributes to a reduction of the weight, size and manufacturing cost of the motor.

REFERENCES:
patent: 3899702 (1975-08-01), Hanna et al.
patent: 4538081 (1985-08-01), Kamiya et al.
patent: 4731554 (1988-03-01), Hall et al.
patent: 4998032 (1991-03-01), Burgbacher

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