Method of controlling individual cylinder fuel injection quantit

Details Method of controlling individual cylinder fuel injection quantit Method of controlling individual cylinder fuel injection quantit

1985-01-30

1989-09-05

Miller, Carl Stuart

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123419, 123506, F02M 900

Patent

active

048628530

ABSTRACT:
In effecting individual cylinder fuel injection quantity control in an electronically controlled diesel engine, wherein rpm variation with every explosion cylinder is detected, and a fuel injection quantity spill control actuator is controlled with every cylinder so as to eliminate a dispersion in rpm variation between the cylinders, so that engine vibrations due to the dispersion in fuel injection quantity between the cylinders can be reduced, timing of a control command to the fuel injection quantity spill control actuator is determined in accordance with engine speed and engine load to avoid both a delay in control to a cylinder to be corrected and interference with the injection of fuel to a cylinder immediately before the cylinder to be corrected, and a control command for every cylinder is given to the fuel injection quantity spill control actuator at the determined timing.

REFERENCES:
patent: 4322800 (1982-03-01), Hisegawa
patent: 4323042 (1982-04-01), Woodhouse
patent: 4357662 (1982-11-01), Schira
patent: 4372266 (1983-02-01), Hiyama
patent: 4375668 (1983-03-01), Leung
patent: 4448171 (1984-05-01), Ninomiya

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