US PATENT SUBCLASS 415 / 43
.~.~.~.~ Fluid servo-motor and speed responsive means actuated pilot valve

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}
30  DF  .~ By shaft speed or torque responsive means {5}
36  DF  .~.~ Of working fluid valve or vane {6}
42  DF  .~.~.~ Actuated by runner or separate motor {1}
43.~.~.~.~ Fluid servo-motor and speed responsive means actuated pilot valve

DEFINITION

Classification: 415/43

(under subclass 42) Apparatus in which the distinct and independent source of mechanical power is a fluid actuated means which supplements and which is actuated by fluid from a pilot valve controlled by the means reacting to the rate of movement of the runner*.