US PATENT SUBCLASS 322 / 68
.~.~ Short circuiting of field winding


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

Internet Version by PATENTEC © 1999      Terms of Use



322 /   HD   ELECTRICITY: SINGLE GENERATOR SYSTEMS

44  DF  GENERATOR CONTROL {11}
59  DF  .~ With excitation winding and/or circuit control {11}
68.~.~ Short circuiting of field winding


DEFINITION

Classification: 322/68

(under subclass 59) Subject matter wherein the excitation of the generator is controlled by short circuiting a field winding.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50, for generator control under subclass 44 where the generator is provided with a magnetic shunt to shunt the field flux from the armature.

71, for generator control where only a portion of the field winding is short circuited so that the generator is controlled by varying the length of a field winding.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

528, for motor control with means to short circuit a field winding and subclass 299 for motor reversing control with means for short circuiting one or more field windings.