US PATENT SUBCLASS 123 / 406.47
.~.~.~ With fuel injection control


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

406.11  DF  SPARK IGNITION TIMING CONTROL {5}
406.12  DF  .~ Electronic control {10}
406.45  DF  .~.~ Including control of combustible mixture or a constituent thereof (e.g., air, fuel, exhaust gas) {3}
406.47.~.~.~ With fuel injection control


DEFINITION

Classification: 123/406.47

With fuel injection control:

(under subclass 406.45) Subject matter wherein the regulating means to vary spark ignition timing further adjusts the spraying of liquid fuel into either (a) a passage in communication with an inlet port of the combustion chamber (i.e., an intake manifold) or (b) the combustion chamber of the engine.

SEE OR SEARCH THIS CLASS, SUBCLASS:

478+, for a charge forming device for an internal combustion engine having a an actuator circuit for an electrically actuated fuel injector.

SEE OR SEARCH CLASS

239, Sprinkling, Spraying and Diffusing,

88+, 533.2+ and 584+ for particular fuel injector structure, per se for internal combustion engines.

701, Data Processing: Vehicles, Navigation, and Relative Location,

103, for digital or programmed data processing system associated with an internal combustion engine, designed to control the air/fuel ratio or the injection of fuel based on engine operating conditions or environmental conditions, where significant details of the mechanical construction of the component or subsystem within a vehicle are not claimed.