US PATENT SUBCLASS 91 / 261
.~.~.~.~ Inlet valve movable about an axis

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  DF  .~.~ Cut off adjustable relative to admission {4}
260  DF  .~.~.~ Biased inlet valve with adjustable tripping means {1}
261.~.~.~.~ Inlet valve movable about an axis

DEFINITION

Classification: 91/261

(under subclass 260) Apparatus in which the inlet valve is moved about an axis by said driving means and said biasing force to open and close the inlet fluid flow path.