Electromagnetic isolator/actuator system

Details Electromagnetic isolator/actuator system Electromagnetic isolator/actuator system

1987-12-29

1989-07-18

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

104281, 324207, F16C

Patent

active

048496669

ABSTRACT:
An electromagnetic suspension system for suspending a platform element with respect to a base element includes electromagnetic isolator/actuators, having a permanent magnet with a pole gap between the magnetic poles, and a coil having turns of electrically conductive material. The coil and permanent magnet are positioned so that at least a portion of each of the coil turns is within the pole gap of the permanent magnet, with the portion being aligned substantially perpendicularly to the polar axis of the permanent magnet. When electric current is applied to the coil, an electromagnetic force is generated between the coil and the permanent magnet. This force is proportional to the current and substantially independent of relative velocity of motion between the coil and the magnet.

REFERENCES:
patent: 3865442 (1975-02-01), Studer
patent: 3885839 (1975-05-01), Habermann
patent: 3888553 (1975-06-01), Wehde
patent: 4000929 (1977-01-01), Studer
patent: 4353602 (1982-08-01), Habermann
patent: 4692699 (1987-09-01), Brunet
patent: 4709209 (1987-11-01), Murakami
patent: 4732579 (1988-03-01), Petersen

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