US PATENT SUBCLASS 123 / 568.22
.~.~.~ Ambient condition responsive (e.g., atmospheric temperature, atmospheric 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}
568.11  DF  .~ Exhaust gas used with the combustible mixture (e.g., emission control Exhaust Gas Recirculation (EGR) valve) {10}
568.21  DF  .~.~ Having electrically actuated control means {3}
568.22.~.~.~ Ambient condition responsive (e.g., atmospheric temperature, atmospheric pressure)

DEFINITION

Classification: 123/568.22

Ambient condition responsive (e.g., atmospheric temperature, atmospheric pressure):

(under subclass 568.21) Subject matter wherein the means for adjusting the flow of the products of combustion is responsive to an atmospheric characteristic or parameter.