US PATENT SUBCLASS 123 / 513
.~.~.~ Environmental condition responsive

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}
511  DF  .~.~ Regulator means adjusts fuel pressure {2}
513.~.~.~ Environmental condition responsive

DEFINITION

Classification: 123/513

Environmental condition responsive:

(under subclass 511) Subject matter wherein the regulator responds to some environmental condition such as ambient air temperature or pressure.