US PATENT SUBCLASS 418 / 141
.~.~ Labyrinth


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

104  DF  WITH MECHANICAL SEALING {14}
140  DF  .~ Seal element between working member and cylinder {3}
141.~.~ Labyrinth


DEFINITION

Classification: 418/141

(under subclass 140) Apparatus wherein the means opposing the passage of fluid comprises a succession of baffles having slight clearance with each other to impede the passage of fluid by the tortuous path made thereby.