US PATENT SUBCLASS 418 / 124
.~.~.~ Fluid biased

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

104  DF  WITH MECHANICAL SEALING {14}
112  DF  .~ Seal on working member periphery separates inlet and outlet ports {1}
113  DF  .~.~ Seal on working member peripheral projection engages cylinder working chamber surface (e.g., apex seals) {9}
124.~.~.~ Fluid biased

DEFINITION

Classification: 418/124

(under subclass 113) Apparatus in which the means for urging the movable, expandable or deformable means comprises a pressurized fluid.