US PATENT SUBCLASS 91 / 313
.~.~.~ Pilot valve actuator extends into working chamber

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}
304  DF  .~.~ Pilot valve controlled distributor motor (461) {9}
313.~.~.~ Pilot valve actuator extends into working chamber

DEFINITION

Classification: 91/313

(under subclass 304) Apparatus in which means transmitting cyclic motion from the output motor working member to the pilot valve includes an element which moves relative to the working member and extends into the working chamber.