US PATENT SUBCLASS 418 / 213
.~.~.~ Plural intermediate members

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

209  DF  PLURAL WORKING CHAMBERS {2}
210  DF  .~ Axially spaced rotating members rotate on common axis {2}
212  DF  .~.~ Intermediate member separates and engages plural working members {2}
213.~.~.~ Plural intermediate members

DEFINITION

Classification: 418/213

(under subclass 212) Apparatus in which there is provided three or more rotating members and a separate divider element is interposed between adjacent ends of adjacent rotating member pairs.