US PATENT SUBCLASS 123 / 573
.~.~ Vapor treated before mixing with combustible mixture (e.g., cooling)

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
572  DF  .~ Crankcase vapor used with combustible mixture {2}
573.~.~ Vapor treated before mixing with combustible mixture (e.g., cooling)

DEFINITION

Classification: 123/573

Vapor treated before mixing with combustible mixture (e.g., cooling):

(under subclass 572) Subject matter in which means is provided to cool or otherwise treat the crankcase vapors before they are mixed with the charge.