US PATENT SUBCLASS 418 / 29
.~ Rotating inner working or reacting member repositioned relative to cylinder

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

16  DF  WITH CHANGEABLE WORKING CHAMBER MAGNITUDE {10}
29.~ Rotating inner working or reacting member repositioned relative to cylinder

DEFINITION

Classification: 418/29

(under subclass 16) Apparatus in which either the working member or other inner rotatable member forming a part of the working chamber is translatably adjusted with respect to an adjacent surface of the cylinder to thereby vary the volumetric dimension of the working chamber.