US PATENT SUBCLASS 123 / 406.17
.~.~.~ Cylinder pressure sensor malfunction 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}
406.13  DF  .~.~ With fail-safe, backup or malfunction detecting means {5}
406.17.~.~.~ Cylinder pressure sensor malfunction responsive

DEFINITION

Classification: 123/406.17

Cylinder pressure sensor malfunction responsive:

(under subclass 406.13) Subject matter wherein the regulating means is responsive to a signal indicative of a cessation of proper functioning of a transducer which responds to changes of pressure of fluid (e.g., combustible mixture, products of combustion, etc.) in the combustion chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406.22, for an engine cylinder pressure responsive spark ignition timing electronic control having closed loop feedback control with separate control for each cylinder.

406.41+, for an engine cylinder pressure responsive spark ignition timing electronic control.