Adaptive fuel injector trimming during a zero fuel condition
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United States of America Patent
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Nov 15, 2005
Grant Date -
Jun 16, 2005
app pub date -
Dec 11, 2003
filing date -
Dec 11, 2003
priority date (Note) -
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Abstract
Apparatuses and methods for controlling a fuel injector. A fuel shot is injected during a zero fuel condition. A rail pressure drop corresponding to the fuel shot is determined. A change in engine speed corresponding to the fuel shot is determined. An adjustment to the fuel injection as a function of the rail pressure drop and the corresponding change in engine speed is determined.
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