US PATENT SUBCLASS 123 / 691
.~.~ Multiple sensors controlling group of cylinders

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}
691.~.~ Multiple sensors controlling group of cylinders {1}
692  DF  .~.~.~> Controlling plural groups of cylinders

DEFINITION

Classification: 123/691

Multiple sensors controlling group of cylinders:

(under subclass 672) Subject matter wherein a plurality of transducers are located in the flow path of the products of combustion, which are sensitive to a particular component of the products of combustion for adjusting the ratio of fuel and oxidant supplied to a plurality of combustion chambers or cylinders of the engine.