US PATENT SUBCLASS 123 / 673
.~.~ With sensor controlling each cylinder individually


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}
673.~.~ With sensor controlling each cylinder individually


DEFINITION

Classification: 123/673

With sensor controlling each cylinder individually:

(under subclass 672) Subject matter wherein a transducer is located in the flow path of the products of combustion which is sensitive to a particular component of the products of combustion, the engine has a plurality of cylinders or combustion chambers and the charge forming device responds to signals from the transducer to modify the ratio of fuel and oxidant supplied individually to the cylinders or combustion chambers. (i.e., the mixture ratio supplied to each cylinder or combustion chamber may be different)

SEE OR SEARCH THIS CLASS, SUBCLASS:

691, for multiple transducers located in the exhaust flow path controlling the air/fuel ratio conducted to the engine cylinders as a group.