US PATENT SUBCLASS 318 / 132
.~.~ By space-discharge or unidirectionally conductive devices in energizing circuit


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

119  DF  RECIPROCATING OR OSCILLATING MOTOR {4}
126  DF  .~ Energizing winding circuit control {5}
132.~.~ By space-discharge or unidirectionally conductive devices in energizing circuit


DEFINITION

Classification: 318/132

(under subclass 126) Subject matter in which the means for controlling the energizing circuit of the motor includes a space-discharge device or an unidirectionally-conductive device connected in series with or in shunt to the energizing winding of the motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125, for this subject matter where the motor has plural windings.

505, and the subclasses specified in the search notes thereto, for other motor control systems having space-discharge devices in the armature or primary circuit of the motor.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, 518+, for miscellaneous electron discharge device control circuits.

363, Electric Power Conversion Systems,

111, and 125+ for rectifying systems including space discharge devices and other unidirectionally conductive devices.