METHOD AND DEVICE FOR CONTROLLING FUEL INJECTION OF DIESEL ENGINE
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United States of America Patent
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Nov 22, 2018
app pub date -
Apr 27, 2018
filing date -
Apr 27, 2018
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Abstract
A method of controlling a fuel injection of a diesel engine for performing a plurality of fuel injections to cause a plurality of combustions inside a cylinder in one combustion cycle, is provided, which includes acquiring an oxygen concentration inside the cylinder, performing, on compression stroke, the plurality of fuel injections at substantially even injection intervals while increasing the injection intervals as the oxygen concentration decreases, and performing, after the plurality of fuel injections, another fuel injection including a larger injection amount than in the plurality of fuel injections, near a top dead center of the compression stroke.
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