US PATENT SUBCLASS 318 / 89
.~.~.~ Motor as exciter for another motor

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}
86  DF  .~ Braking {1}
87  DF  .~.~ Motor used as braking generator (dynamic braking) {2}
89.~.~.~ Motor as exciter for another motor

DEFINITION

Classification: 318/89

(under subclass 87) Subject matter in which means are provided for connecting the generating or armature circuit of one or more of the motors to the field or exciting circuit of one or more others of the motors during the braking period to supply the exciting or field current to said other motors.