US PATENT SUBCLASS 91 / 467
.~.~.~ Valve means moves about an axis

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

418  DF  WITH MOTIVE FLUID VALVE {32}
462  DF  .~ For double-acting motor {4}
466  DF  .~.~ Unitary inlet and exhaust valve means for opposed working chambers {1}
467.~.~.~ Valve means moves about an axis

DEFINITION

Classification: 91/467

(under subclass 466) Apparatus in which the valve means oscillates or rotates about a fixed axis to perform the valving function.

SEE OR SEARCH THIS CLASS, SUBCLASS:

315, 327, 345, 349, and 352+, for cyclically operable expansible chamber motors having a distributor which moves about an axis.