US PATENT SUBCLASS 418 / 138
.~.~.~ Oscillating

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  DF  .~.~ Mounted on working member {1}
138.~.~.~ Oscillating

DEFINITION

Classification: 418/138

(under subclass 137) Apparatus in which the means opposing passage of working fluid is rockable about its axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

241, for similar devices in which a seal element between the working member and the vane is not provided.