US PATENT SUBCLASS 418 / 170
.~.~.~.~ With filler element (e.g., crescent)

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}
166  DF  .~.~.~ Intermeshing peripheral surfaces {4}
170.~.~.~.~ With filler element (e.g., crescent)

DEFINITION

Classification: 418/170

(under subclass 166) Apparatus provided with a partition separating the cylinder and reacting member during a portion of their rotative movement, said partition generally being in the shape of a crescent.