US PATENT SUBCLASS 91 / 252
.~.~ Cut off adjustable relative to admission

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

218  DF  CYCLICALLY OPERABLE {34}
247  DF  .~ Timing control by relative adjustment of plural movable fluid control elements {3}
252.~.~ Cut off adjustable relative to admission {4}
253  DF  .~.~.~> Inlet controlled by relatively cyclically moved elements {3}
260  DF  .~.~.~> Biased inlet valve with adjustable tripping means {1}
262  DF  .~.~.~> Adjustable cam or cam follower actuated inlet valve
263  DF  .~.~.~> Adjustable fluid control for fluid actuated inlet valve

DEFINITION

Classification: 91/252

(under subclass 247) Apparatus in which the adjusting means provides for adjusting a fluid control element with respect to another fluid control element so as to vary the time of stopping of fluid flow to the motor working chamber, with respect to the working member movement cycle and with respect to the starting of flow to the motor working chamber.