US PATENT SUBCLASS 123 / 406.41
.~.~.~.~ Engine 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}
406.26  DF  .~.~.~ Combustion condition responsive {4}
406.41.~.~.~.~ Engine cylinder pressure responsive {2}
406.42  DF  .~.~.~.~.~> Peak pressure responsive
406.43  DF  .~.~.~.~.~> Responsive to derivative, integral or average of pressure

DEFINITION

Classification: 123/406.41

Engine cylinder pressure responsive:

(under subclass 406.26) Subject matter 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 responsive to malfunction of an engine cylinder pressure sensor.

406.22, for a spark ignition timing electronic control with closed loop feed back control for each engine cylinder separately, the control being responsive to engine cylinder pressure.

435, for an internal combustion engine charge forming device responsive to engine cylinder pressure.

SEE OR SEARCH CLASS

73, Measuring and Testing,

115, for a device for testing engine cylinder pressure as related to engine performance.