US PATENT SUBCLASS 123 / 684
.~.~.~.~ Pressure downstream of throttle valve 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}
672  DF  .~ Including exhaust gas condition responsive means {11}
679  DF  .~.~ Combined with engine condition responsive means {6}
681  DF  .~.~.~ Engine load responsive {3}
684.~.~.~.~ Pressure downstream of throttle valve responsive


DEFINITION

Classification: 123/684

Pressure downstream of throttle valve responsive:

(under subclass 681) Subject matter wherein the control means is responsive to means for detecting the pressure of fluid downstream from means for varying the cross-sectional area of a mixture forming conduit.