US PATENT SUBCLASS 123 / 679
.~.~ Combined with engine condition responsive means

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
672  DF  .~ Including exhaust gas condition responsive means {11}
679.~.~ Combined with engine condition responsive means {6}
680  DF  .~.~.~> Idling responsive
681  DF  .~.~.~> Engine load responsive {3}
685  DF  .~.~.~> Starting or warmup responsive {1}
687  DF  .~.~.~> Speed responsive
688  DF  .~.~.~> Inoperative sensor responsive
689  DF  .~.~.~> Engine fluid or engine component temperature responsive

DEFINITION

Classification: 123/679

Combined with engine condition responsive means:

(under subclass 672) Subject matter wherein the mixture forming means additionally has control means responsive to an operational parameter of the internal combustion engine.