US PATENT SUBCLASS 418 / 184
.~ Passage includes vane slot

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

183  DF  WITH SUPPLY OR EXHAUST PASSAGE IN WORKING MEMBER {4}
184.~ Passage includes vane slot

DEFINITION

Classification: 418/184

(under subclass 183) Apparatus in which the working fluid passage means provided in the working member comprises the slot in which a vane moves incident to the expansion and contraction of the working chamber.