US PATENT SUBCLASS 318 / 777
.~.~.~.~ Separate primary running winding for each pole number, alternately energized

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

727  DF  INDUCTION MOTOR SYSTEMS {12}
767  DF  .~ Primary circuit control {9}
772  DF  .~.~ Plural speed {1}
773  DF  .~.~.~ Pole changing {2}
777.~.~.~.~ Separate primary running winding for each pole number, alternately energized

DEFINITION

Classification: 318/777

Separate primary running winding for each pole number, alternately energized:

(under subclass 773) Subject matter wherein each number of poles is produced by the energization of a separate primary winding.