US PATENT SUBCLASS 418 / 118
.~.~.~ Swinging seal

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}
118.~.~.~ Swinging seal

DEFINITION

Classification: 418/118

(under subclass 113) Apparatus in which the deformable, expandable, adjustable or deformable means has an end portion pivotally secured to the working member, the other end being movably maintained in wiping contact with the cylinder working chamber peripheral surface to oppose the passage of working fluid therepast.