US PATENT SUBCLASS 418 / 173
.~.~.~.~ Partition radially slidable in internal member

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

160  DF  MOVING CYLINDER {1}
161  DF  .~ Rotating {5}
164  DF  .~.~ Rotary internal reacting member {3}
172  DF  .~.~.~ With movable partition member {2}
173.~.~.~.~ Partition radially slidable in internal member

DEFINITION

Classification: 418/173

(under subclass 172) Apparatus wherein the member forming the inner surface includes a relatively movable member that slides back and forth therein in a direction that is generally radial thereof, said relatively movable member also cooperating with the rotating cylinder to form the working chamber.