US PATENT SUBCLASS 318 / 792
.~.~.~.~.~.~ With variable temperature coefficient impedance element

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

727  DF  INDUCTION MOTOR SYSTEMS {12}
767  DF  .~ Primary circuit control {9}
778  DF  .~.~ Starting control {3}
781  DF  .~.~.~ Operating from a single phase source {6}
785  DF  .~.~.~.~ Start winding removed during running operation {4}
791  DF  .~.~.~.~.~ By thermal switch {1}
792.~.~.~.~.~.~ With variable temperature coefficient impedance element

DEFINITION

Classification: 318/792

With variable temperature coefficient impedance element:

(under subclass 791) Subject matter wherein the heat responsive switch means includes an element whose impedance is a function of its temperature.