US PATENT SUBCLASS 418 / 120
.~.~.~ With axially movable side 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}
120.~.~.~ With axially movable side seal {1}
121  DF  .~.~.~.~> Spring biased

DEFINITION

Classification: 418/120

(under subclass 113) Apparatus in which the movable, expandable, adjustable or deformable means is movable in a direction along or parallel to the working member rotational axis.