US PATENT SUBCLASS 318 / 247
.~ Convertible for nonseries motor operation


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

246  DF  SERIES MOTORS {4}
247.~ Convertible for nonseries motor operation


DEFINITION

Classification: 318/247

(under subclass 246) Subject matter in which means are provided for operating the motor as a series motor, and also operating the motor as a nonseries motor.

(1) Note. As an example, an elevator motor may be provided with means for causing it to operate as a series motor during the lift period, and as a shunt motor during the return period.

SEE OR SEARCH THIS CLASS, SUBCLASS:

375+, for motor systems having means for operating a motor as a generator during dynamic braking of the motor.