Method for the automatic adjustment of the ignition initiation c

Details Method for the automatic adjustment of the ignition initiation c Method for the automatic adjustment of the ignition initiation c

1982-09-20

1985-10-29

Cox, Ronald B.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123435, 123488, 123426, F02P 904

Patent

active

045495130

ABSTRACT:
A method is provided for the automatic control of the ignition time in a spark ignition engine or the injection time in a compression-ignition engine wherein at least one typical phenomenon of the running conditions of the engine, such as the occurrence of the peak pressure in the cylinder within a certain angular interval of the crankshaft, or the passage of the flame front through a reference position of the combustion chamber is detected, and the detected measurements have an aleatory character. This method comprises the determination of a statistical value representative of at least P validated measurements, of said phenomenon occurring during at most Q cycles, and the use of said statistical value to modify the control time of the combustion initiation so that said statistical value takes a predetermined value corresponding to the desired running conditions.

REFERENCES:
patent: 4002155 (1977-01-01), Harned
patent: 4116173 (1978-09-01), McDougal
patent: 4120272 (1978-10-01), Douaud
patent: 4130097 (1978-12-01), Ford
patent: 4261313 (1981-04-01), Iwata
patent: 4269154 (1981-05-01), Iwata
patent: 4285315 (1982-08-01), Douaud
patent: 4300503 (1981-11-01), Deteris
patent: 4356551 (1982-10-01), Iwase
patent: 4463729 (1984-08-01), Bullis

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