Ignition system

Details Ignition system Ignition system

1983-10-14

1985-01-22

Cox, Ronald B.

Internal-combustion engines

Spark ignition timing control

Electronic control

123169R, 123169PA, 123426, 123306, 123494, 123425, 123419, F02P 504

Patent

active

044945086

ABSTRACT:
The invention relates to an ignition system in which a parameter of the charge in a cylinder prior to ignition is measured in order to predict the burning characteristics of that charge and the timing of the spark for igniting that charge in the same cycle is varied in dependence upon the measured parameter in such a sense as to reduce cycle to cycle variations in the engine output torque. A hot film anemometer integrated into the spark plug provides a measurement of the charge velocity, this being one parameter which can predict the burning rate of the charge.

REFERENCES:
patent: 1208926 (1916-12-01), Dick
patent: 2064572 (1936-12-01), Smith
patent: 3100479 (1963-08-01), Wood

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