US PATENT SUBCLASS 418 / 218
.~.~.~ Moving about non-parallel axis

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

209  DF  PLURAL WORKING CHAMBERS {2}
215  DF  .~ Axially spaced working chambers {2}
217  DF  .~.~ Axially moving abutment or vane {2}
218.~.~.~ Moving about non-parallel axis

DEFINITION

Classification: 418/218

(under subclass 217) Apparatus in which the moving vane or abutment is mounted to move incident to the expansion and contraction of the working chamber about an axis other than either (1) the axis of rotation of the working member or (2) an axis parallel thereto.