US PATENT SUBCLASS 123 / 406.22
.~.~.~.~ Cylinder pressure 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}
406.2  DF  .~.~.~ Separate control for each cylinder {2}
406.22.~.~.~.~ Cylinder pressure responsive

DEFINITION

Classification: 123/406.22

Cylinder pressure responsive:

Subject matter under subclass 406.2 wherein the regulating means is responsive to a signal indicative of the force per unit area of either (a)the combustible material or (b) the products of combustion in the combustion chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406.17, for a spark ignition timing electronic control which is responsive to malfunction of an engine cylinder pressure sensor.

406.41+, for an engine cylinder pressure responsive spark ignition timing electronic control without separate timing control for each cylinder.