US PATENT SUBCLASS 91 / 296
.~.~.~ Constantly open exhaust from distributor 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}
290  DF  .~.~ Working member traverses pilot port in working chamber side wall {9}
296.~.~.~ Constantly open exhaust from distributor working chamber

DEFINITION

Classification: 91/296

(under subclass 290) Apparatus in which the distributor motor working chamber is constantly connected to exhaust, said exhaust being throttled with relation to controlled supply through the working member controlled port to cause distributor cyclic operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52, for expansible chamber fluid motors having constantly open throttled exhaust with controlled motive fluid supply.