US PATENT SUBCLASS 91 / 24
.~.~ Additional inlet path opened in response to position

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

6  DF  FLUID SUPPLY THROUGH DIVERSE PATHS TO SINGLE EXPANSIBLE CHAMBER {12}
20  DF  .~ Position responsive {4}
24.~.~ Additional inlet path opened in response to position {1}
25  DF  .~.~.~> Working member or part carried thereby uncovers inlet port {1}

DEFINITION

Classification: 91/24

(under subclass 20) Apparatus in which a working chamber is supplied with motive fluid through a first supply path and in response to the working member attaining a given position further motive fluid is supplied to said chamber through a second path with the first path remaining open.