US PATENT SUBCLASS 318 / 808
.~.~.~ With voltage magnitude control

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}
807  DF  .~.~ Frequency control {3}
808.~.~.~ With voltage magnitude control

DEFINITION

Classification: 318/808

With voltage magnitude control:

(under subclass 807) Subject matter wherein means are also provided to regulate the magnitude of the voltage applied to

the primary member of the motor.

(1) Note. The means to regulate this subclass type consists of means to adjust or fix the value of the voltage so that the voltage can be constant or selectively varied.