US PATENT SUBCLASS 318 / 94
.~.~ Armature or primary circuit control

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}
90  DF  .~ Acceleration control {4}
94.~.~ Armature or primary circuit control {1}
95  DF  .~.~.~> Series-parallel connections {1}

DEFINITION

Classification: 318/94

(under subclass 90) Subject matter in which means are provided for controlling the armature or primary circuits of the motors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

82+, and the subclasses specified in the Notes to the definition of the subclass, for armature or primary circuit control of plural motors during the running speed operation thereof.

92, for this subject matter where the system has armature circuit control combined with field circuit control for acceleration and/or deceleration control.

104, for plural motor systems having armature or primary circuit control of the motors during starting and/or stopping of the motor.

494, and the subclasses specified in the search notes thereto, for single motor systems having armature or primary circuit control of single motors.