US PATENT SUBCLASS 91 / 256
.~.~.~.~ Cut off adjustable relative to reciprocating admission element

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}
253  DF  .~.~.~ Inlet controlled by relatively cyclically moved elements {3}
256.~.~.~.~ Cut off adjustable relative to reciprocating admission element {3}
257  DF  .~.~.~.~.~> Oscillating admission element
258  DF  .~.~.~.~.~> Arcuate adjustment of cut off
259  DF  .~.~.~.~.~> Cut off adjustable codirectional with admission element movement

DEFINITION

Classification: 91/256

(under subclass 253) Apparatus in which the means to adjust the control element for stopping fluid flow includes means to move, or to vary the movement of the control element with respect to a reciprocating admission control element so as to vary the time of occurrence of the cut-off event.