US PATENT SUBCLASS 91 / 445
.~.~ Stop valve between working chamber and inlet and exhaust valve

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

418  DF  WITH MOTIVE FLUID VALVE {32}
444  DF  .~ Relatively movable serial valves {3}
445.~.~ Stop valve between working chamber and inlet and exhaust valve

DEFINITION

Classification: 91/445

(under subclass 444) Apparatus in which one of the serial valves is an inlet and exhaust valve and another is a stop valve, the stop valve being disposed in the motor line between the inlet and exhaust valve and the working chamber.