US PATENT SUBCLASS 91 / 309
.~.~.~ With distributor motor reversal by constantly applied fluid pressure


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}
309.~.~.~ With distributor motor reversal by constantly applied fluid pressure


DEFINITION

Classification: 91/309

(under subclass 304) Apparatus in which the distributor motor working member is moved in one direction by continuously applied fluid pressure and in the opposing direction by fluid under control of the pilot valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

300, for a cyclically operable motor in which the distributor is moved in one direction by constantly supplied motive fluid, and in the opposite direction by fluid supplied through a working member controlled port in the working chamber side wall.