US PATENT SUBCLASS 318 / 378
.~.~.~.~ In series with armature or primary circuit

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

362  DF  BRAKING {7}
375  DF  .~ Dynamic braking {2}
376  DF  .~.~ Regenerative {1}
377  DF  .~.~.~ With additional source of e.m.f. {1}
378.~.~.~.~ In series with armature or primary circuit

DEFINITION

Classification: 318/378

(under subclass 377) Subject matter in which means are provided for connecting the additional source of e.m.f. in series with the armature or primary circuit of the motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

440, and the subclasses specified in the Notes thereto, for other motor control systems in which two or more diverse sources of supply are used for electric motors.

500, and the subclasses specified in the Notes thereto, for other motor control systems in which two or more electrical sources of supply are connected electrically in series with each other and in series with the armature or primary winding of the motor.