Control device of internal combustion engine
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United States of America Patent
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Sep 25, 2007
Grant Date -
Jul 19, 2007
app pub date -
Mar 9, 2007
filing date -
Jun 15, 2004
priority date (Note) -
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Abstract
When an injection sharing ratio r is neither 0 nor 1, an engine ECU executes a program including a step of calculating a purge reduction amount of an in-cylinder injector as fpg.times.r and calculating a purge reduction amount of an intake manifold injector as fpg.times.(1-r) when performing purge processing according to a current fuel injection sharing ratio of the injectors, and a step of calculating a correction fuel injection amount of the in-cylinder injector by raising the fuel injection amount to a minimum fuel injection amount, and calculating a correction fuel injection amount of the intake manifold injector by subtracting the raised amount from the fuel injection amount of the intake manifold injector when the fuel injection amount of the in-cylinder injector calculated by using the purge reduction amount is lower than the minimum injection amount.
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