US PATENT SUBCLASS 318 / 823
.~.~.~.~ Rotor speed or position responsive

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

727  DF  INDUCTION MOTOR SYSTEMS {12}
818  DF  .~ Secondary circuit control {3}
821  DF  .~.~ Impedance control of secondary circuit {2}
822  DF  .~.~.~ Responsive to motor condition {4}
823.~.~.~.~ Rotor speed or position responsive {1}
824  DF  .~.~.~.~.~> Centrifugal force of rotor controls secondary circuit impedance

DEFINITION

Classification: 318/823

Rotor speed or position responsive:

(under subclass 822) Subject matter wherein the motor characteristics are the motor rotor speed or the position of the rotor with respect to the inducing magnetic field of the motor.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

120+, for speed responsive switching systems.

323, Electricity: Power Supply or Regulation Systems, for speed controlled impedance systems.