US PATENT SUBCLASS 318 / 250
.~.~ Impedance in series with field windings and in parallel to armature winding

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

246  DF  SERIES MOTORS {4}
249  DF  .~ Control by motor circuit impedance {1}
250.~.~ Impedance in series with field windings and in parallel to armature winding

DEFINITION

Classification: 318/250

(under subclass 249) Subject matter in which the impedance means is connected in series with all, or a part, of the series field winding and simultaneously connected in parallel with part, or all of the armature winding of the motor.