US PATENT SUBCLASS 318 / 739
.~ Reversing

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

727  DF  INDUCTION MOTOR SYSTEMS {12}
739.~ Reversing {5}
740  DF  .~.~> With diverse motor operation {1}
745  DF  .~.~> With controlled saturable reactor in primary circuit {1}
747  DF  .~.~> Two phase motor {1}
749  DF  .~.~> Operating from a single phase source {3}
756  DF  .~.~> With controlled electronic switch for phase reversal

DEFINITION

Classification: 318/739

Reversing:

(under subclass 727) Subject matter wherein the system connected to the primary winding of the motor includes means to change the direction of the rotation of the motor.

(1) Note. See Reversing Control class notes for the distinction between reversing and braking.

SEE OR SEARCH THIS CLASS, SUBCLASS:

65, for the reversing of plural motors.

256+, for plural diverse motor controls, generally, which include motor reversing.

280+, for more reversing generally.