US PATENT SUBCLASS 123 / 41.68
.~.~.~ Spiral passages


Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

41.01  DF  COOLING {27}
41.56  DF  .~ Air-cooled {7}
41.67  DF  .~.~ Jacketed cylinder {1}
41.68.~.~.~ Spiral passages


DEFINITION

Classification: 123/41.68

(under subclass 41.67) Devices in which baffle means or cylinder fins are formed to impart a spiral flow to the air within the jacket, casing or conduit as it passes over the cylinder.