US PATENT SUBCLASS 418 / 174
.~.~.~.~ Partition radially slidable in cylinder

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}
174.~.~.~.~ Partition radially slidable in cylinder

DEFINITION

Classification: 418/174

(under subclass 172) Apparatus wherein the rotating cylinder 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 inner rotating surface to form the working chamber.