US PATENT SUBCLASS 318 / 711
.~.~.~ With electronic control element in system

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

700  DF  SYNCHRONOUS MOTOR SYSTEMS {7}
705  DF  .~ Synchronization systems {4}
710  DF  .~.~ With d.c. field removal {1}
711.~.~.~ With electronic control element in system

DEFINITION

Classification: 318/711

With electronic control element in system:

(under subclass 710) Subject matter wherein the means to control the circuit includes an electronic element to regulate the removal of DC power from the DC field winding.

SEE OR SEARCH THIS CLASS, SUBCLASS:

532, for general motor field or secondary circuit control by means of a space discharge device in the field circuit.

716+, for the control of power to the field winding of the synchronous motor.