US PATENT SUBCLASS 91 / 406
.~.~.~ Exhaust valve with bleed passage therein

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

392  DF  WORKING MEMBER POSITION RESPONSIVE MOTIVE FLUID CONTROL {9}
404  DF  .~ Exhaust control {2}
405  DF  .~.~ Throttling (e.g., cushioning) {2}
406.~.~.~ Exhaust valve with bleed passage therein

DEFINITION

Classification: 91/406

(under subclass 405) Apparatus in which the exhaust is controlled by a separate valve, the movable part of said valve having a relatively small passage therein to permit limited exhaust from the working chamber after said movable part has been moved to closed position in response to working member position.