US PATENT SUBCLASS 388 / 836
.~.~.~ Position or number of brushes

Current as of: June, 1999
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388 /   HD   ELECTRICITY: MOTOR CONTROL SYSTEMS

825  DF  OPEN LOOP SPEED CONTROL SYSTEM FOR DC MOTOR WITH COMMUTATOR {3}
830  DF  .~ Analog armature control {7}
835  DF  .~.~ By control of motor structure {1}
836.~.~.~ Position or number of brushes

DEFINITION

Classification: 388/836

Position or number of brushes:

(under subclass 835) Subject matter wherein the structure is altered by (a) repositioning one or more commutator brushes or, (b) changing the number of brushes in use.