US PATENT SUBCLASS 318 / 785
.~.~.~.~ Start winding removed during running operation

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.~.~.~.~ Start winding removed during running operation {4}
786  DF  .~.~.~.~.~> By electronic switch {2}
789  DF  .~.~.~.~.~> By electromagnetic switch {1}
791  DF  .~.~.~.~.~> By thermal switch {1}
793  DF  .~.~.~.~.~> By centrifugal switch

DEFINITION

Classification: 318/785

Start winding removed during running operation:

(under subclass 781) Subject matter wherein the primary member consists of a main primary winding and a start winding and the circuit includes means for de-energizing the start winding by removing part or all of the start winding from the circuit which supplies the electrical energy to the start and the run winding.

(1) Note. The main primary winding is the run winding of the motor.