Direct current motor for operation at elevated temperatures in a

Details Direct current motor for operation at elevated temperatures in a Direct current motor for operation at elevated temperatures in a

1990-10-19

1992-08-25

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310156, 310217, 310 87, H02K 106, H02K 122, H02K 512, H02K 2112

Patent

active

051421801

ABSTRACT:
A permanent magnet motor for operation at elevated temperatures wherein the magnets are clamped to the motor shaft by means of high temperature plastic bushings. The bushings have a coefficient of thermal expansion that exceeds the coefficient of thermal expansion of the motor shaft.

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