System and method for engine operation with spark assisted...

Details System and method for engine operation with spark assisted... System and method for engine operation with spark assisted...

2007-05-08

2007-05-08

Kwon, John T. (Department: 3747)

Internal-combustion engines

Spark ignition timing control

C123S295000

Reexamination Certificate

active

11233172

ABSTRACT:
A method of operating an internal combustion engine having a combustion chamber with a piston, comprising of adjusting an operating parameter of the engine so that a mixture of air and fuel in the combustion chamber approaches, but does not achieve, an autoignition temperature, and performing a spark from the spark plug so that said second mixture combusts; adjusting a timing of said spark from the spark plug; and adjusting an operating parameter to increase a correlation between said adjusted spark timing and timing of said combustion.

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