US PATENT SUBCLASS 60 / 39.78
.~.~.~ Rotating, oscillating, or reciprocating

Current as of: June, 1999
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60 /   HD   POWER PLANTS

39.01  DF  COMBUSTION PRODUCTS USED AS MOTIVE FLUID {31}
722  DF  .~ Combustion products generator {14}
39.76  DF  .~.~ Intermittent combustion type {5}
39.78.~.~.~ Rotating, oscillating, or reciprocating

DEFINITION

Classification: 60/39.78

(under subclass 39.76) Combustion devices in which rotating, revolving, reciprocating, or oscillating combustion device cooperates with ports in a stationary or relatively movable valve member to control the cyclic events of the intermittent combustion cycle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39.34+, for rotating combustion products generator and turbine.