US PATENT SUBCLASS 415 / 15
.~ With input signal of independent condition

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

13  DF  WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION OR TORQUE {13}
15.~ With input signal of independent condition

DEFINITION

Classification: 415/15

(under subclass 13) Apparatus in which the control function is initiated after a comparison between a reference signal from a separate source and the sensed condition.