US PATENT SUBCLASS 318 / 82
.~.~ Armature or primary circuit control

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

34  DF  PLURAL, DIVERSE OR DIVERSELY CONTROLLED ELECTRIC MOTORS {22}
66  DF  .~ Running-speed control {4}
82.~.~ Armature or primary circuit control {1}
83  DF  .~.~.~> Series-parallel armature circuit connections

DEFINITION

Classification: 318/82

(under subclass 66) Subject matter in which means are provided for controlling the armature or primary circuits of a plurality of motors to control the (group) speed of the motors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

80, for this subject matter where the armature or primary circuit control is for controlling the relative speed of one motor with respect to another motor.

94, for plural motor systems having armature circuit control for controlling plural motors during the acceleration and/or deceleration of the motors.

494, and the subclasses listed under the search notes thereto, for miscellaneous motor systems having armature circuit control.