US PATENT SUBCLASS 418 / 137
.~.~ Mounted on working member

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

104  DF  WITH MECHANICAL SEALING {14}
136  DF  .~ Seal element between working member and vane {1}
137.~.~ Mounted on working member {1}
138  DF  .~.~.~> Oscillating

DEFINITION

Classification: 418/137

(under subclass 136) Apparatus wherein the means opposing the passage of working fluid is mounted on the working member.