US PATENT SUBCLASS 418 / 112
.~ Seal on working member periphery separates inlet and outlet ports

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

104  DF  WITH MECHANICAL SEALING {14}
112.~ 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}

DEFINITION

Classification: 418/112

(under subclass 104) Apparatus in which the movable, expandable, adjustable or deformable means is mounted on the working member periphery to have wiping contact with the cylinder peripheral surface.