US PATENT SUBCLASS 91 / 292
.~.~.~.~ Distributor controls passage from port

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

218  DF  CYCLICALLY OPERABLE {34}
281  DF  .~ Working member controlled motive fluid for distributor motor {12}
290  DF  .~.~ Working member traverses pilot port in working chamber side wall {9}
291  DF  .~.~.~ Port controls separate motor for intermediate pilot valve {1}
292.~.~.~.~ Distributor controls passage from port

DEFINITION

Classification: 91/292

(under subclass 291) Apparatus in which the distributor or distributor working member further controls the passage leading from the output motor working chamber to the pilot valve motor.