US PATENT SUBCLASS 91 / 310
.~.~.~ Pilot valve moves about an axis

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}
310.~.~.~ Pilot valve moves about an axis

DEFINITION

Classification: 91/310

(under subclass 304) Apparatus in which the pilot valve is cyclically moved about an axis.