Magnetic bearing with closed loops which move in AC electromagne

Details Magnetic bearing with closed loops which move in AC electromagne Magnetic bearing with closed loops which move in AC electromagne

1993-07-23

1994-09-06

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 709

Patent

active

053451287

ABSTRACT:
An alternating current electromagnet is used in a magnetic bearing in which one or more electrically conductive loops travel on a prescribed path through a magnetic field produced by the electromagnet. An electrical current is induced in the loop whenever it deviates from its prescribed path. A power supply drives the electromagnet(s) at a frequency at which the magnetic field interacts with the currents induced in the loop to force a deviant loop laterally toward the prescribed path. Capacitors may be connected in series with the loops to provide them with the desired reactances.

REFERENCES:
patent: 4634191 (1987-01-01), Studer
patent: 4644205 (1987-02-01), Sudo et al.
patent: 4734601 (1988-03-01), Lewis

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