US PATENT SUBCLASS 60 / 381
.~.~ Having condition responsive control of variable displacement pump

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
369  DF  .~ Cyclically operable reciprocating or oscillating motor or output stroke device {11}
381.~.~ Having condition responsive control of variable displacement pump {1}
382  DF  .~.~.~> Cam or gear carried by stroke device varies displacement pump

DEFINITION

Classification: 60/381

(under subclass 369) Apparatus wherein the motive fluid is pressurized by a variable displacement pump means which is controlled in response to a sensed condition of the motive fluid or to the position of the motor means activated by said motive fluid.