Fuel injection control method of engine and fuel injection control device for same
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United States of America Patent
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Nov 9, 2010
Grant Date -
May 28, 2009
app pub date -
Oct 27, 2008
filing date -
Nov 15, 2007
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Abstract
In a fuel injection control method of an engine which an intake air flow rate is estimated by a predetermined calculating method, using data on detected intake pipe pressure and engine rotating speed, a fuel injection time is determined by a predetermined calculating method, using the intake air flow rate, and a deviation from a target engine rotating speed, and an injector driving signal is outputted by a fuel injection control device, the fuel injection time is obtained by adding a battery voltage fluctuation correction time, and a transient correction injection time which corrects a deviation from the target engine rotating speed, which is obtained by a predetermined calculating method, to a basic injection time obtained by a predetermined calculating method.
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