Engine control system and method for minimizing cylinder-to-cyli

Details Engine control system and method for minimizing cylinder-to-cyli Engine control system and method for minimizing cylinder-to-cyli

1983-04-07

1985-01-29

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

123480, F02B 300

Patent

active

044959206

ABSTRACT:
In a fuel injection control system for multi-cylinder internal combustion engines, the speed of the engine is monitored and sampled at predetermined angular intervals of engine revolution to detect instantaneous engine speed values identifiable by individual cylinders. From the successively detected instantaneous speeds is derived an average value which is used as a reference for the instantaneous speed values to detect their deviations therefrom. Cylinder-to-cylinder variations in engine speed are minimized by metering the fuel according to the individually derived engine speed deviations.

REFERENCES:
patent: 1664610 (1928-04-01), French
patent: 3146769 (1964-09-01), Hall
patent: 4197767 (1980-04-01), Leung
patent: 4301780 (1981-11-01), Hoshi
patent: 4357662 (1982-11-01), Schira
patent: 4357925 (1982-11-01), Woodruff
patent: 4379442 (1983-04-01), Simko
patent: 4418669 (1983-12-01), Johnson

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