US PATENT SUBCLASS 123 / 406.26
.~.~.~ Combustion condition responsive

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}
406.19  DF  .~.~ Closed loop feedback control of spark timing {5}
406.26.~.~.~ Combustion condition responsive {4}
406.27  DF  .~.~.~.~> Combustion failure responsive (e.g., misfire)
406.28  DF  .~.~.~.~> Combustion condition sensed by optical sensor
406.29  DF  .~.~.~.~> Engine knock responsive {4}
406.41  DF  .~.~.~.~> Engine cylinder pressure responsive {2}

DEFINITION

Classification: 123/406.26

Combustion condition responsive:

(under subclass 406.19) Subject matter wherein the regulating means senses a characteristic or parameter indicative of the state of burning of the combustible mixture (e.g., temperature, pressure, etc.) and uses such information to modify spark ignition timing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

435, for a combustion charge forming device having means responsive to cylinder temperature or pressure.