US PATENT SUBCLASS 318 / 47
.~.~.~ Synchronous and nonsynchronous motors

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

34  DF  PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS {22}
45  DF  .~ Mechanically coupled in fixed ratio of movement {2}
46  DF  .~.~ Motors having unlike operating characteristics {1}
47.~.~.~ Synchronous and nonsynchronous motors

DEFINITION

Classification: 318/47

(under subclass 46) Subject matter in which one or more of the motors is a synchronous motor and one or more others of the motors is a non-synchronous motor.

(1) Note. For a definition of a synchronous motor, see Synchronous Motor, of the class definition.