US PATENT SUBCLASS 91 / 448
.~.~ In supply path

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}
448.~.~ In supply path

DEFINITION

Classification: 91/448

(under subclass 444) Apparatus in which the serially arranged valves are located in the fluid line supplying motive fluid to the motor.