US PATENT SUBCLASS 123 / 516
.~.~ Air or fuel vapor purging system

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
510  DF  .~ Fuel flow regulation between the pump and the charge-forming device {5}
516.~.~ Air or fuel vapor purging system

DEFINITION

Classification: 123/516

Air or fuel vapor purging system:

(under subclass 510) Subject matter wherein the regulator has means to purge, or store air bubbles or fuel vapor; the purging or storage means may itself be considered the means to regulate fuel flow.

SEE OR SEARCH THIS CLASS, SUBCLASS:

518+, for fuel vapor storage systems with subsequent feed to engine.