US PATENT SUBCLASS 418 / 183
WITH SUPPLY OR EXHAUST PASSAGE IN WORKING MEMBER

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

183WITH SUPPLY OR EXHAUST PASSAGE IN WORKING MEMBER {4}
184  DF  .~> Passage includes vane slot
185  DF  .~> Controlled by working member carried valve
186  DF  .~> Supply and exhaust passages in working member {1}
188  DF  .~> Supply or exhaust passage through working member center of rotation

DEFINITION

Classification: 418/183

(under the class definition) Apparatus in which the working member is provided with a fluid passage means through which working fluid passes enroute to or from the working chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189+, for devices in which residual trapped working fluid may escape by way of a passage means in the rotating working

member.