US PATENT SUBCLASS 318 / 87
.~.~ Motor used as braking generator (dynamic braking)

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.~.~ Motor used as braking generator (dynamic braking) {2}
88  DF  .~.~.~> Load or current division during braking
89  DF  .~.~.~> Motor as exciter for another motor

DEFINITION

Classification: 318/87

(under subclass 86) Subject matter in which braking is effected by means which cause one or more of the motors to operate as a generator thus retarding the motor and load devices operated thereby.

SEE OR SEARCH THIS CLASS, SUBCLASS:

375+, and the classes and subclasses listed in the Search Notes thereto, for single motor systems having dynamic braking of the motor.