US PATENT SUBCLASS 123 / 677
.~.~ Combined with ambient condition responsive means (e.g., pressure)

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}
677.~.~ Combined with ambient condition responsive means (e.g., pressure) {1}
678  DF  .~.~.~> Ambient temperature responsive

DEFINITION

Classification: 123/677

Combined with ambient condition responsive means (e.g., pressure):

(under subclass 672) Subject matter wherein the control means is also responsive to an atmospheric characteristic or parameter.

(1) Note. The ambient characteristic or parameter transducer may be located in an engine air/fuel mixture intake upstream of a throttling device.