US PATENT SUBCLASS 123 / 486
.~.~.~.~ Having a digital memory addressed by an engine parameter

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
445  DF  .~ Fuel injection system {5}
472  DF  .~.~ Electrically actuated injector {5}
478  DF  .~.~.~ Actuator circuit (e.g., engine condition responsive electronic circuit actuates injector valve) {15}
486.~.~.~.~ Having a digital memory addressed by an engine parameter

DEFINITION

Classification: 123/486

Having a digital memory addressed by an engine parameter:

(under subclass 478) Subject matter wherein a digital memory

is addressed by the output of an engine parameter sensor to retrieve a stored valve corresponding to the correct fuel output for each particular input from the sensor, thereby actuating the injector valve to provide the correct amount of fuel to the engine.