Fuel injection control method and fuel injection control...

Details Fuel injection control method and fuel injection control... Fuel injection control method and fuel injection control...

2007-03-06

2007-03-06

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S682000

Reexamination Certificate

active

11357038

ABSTRACT:
In a fuel injection control method of an engine, an electronic control unit calculates a pressure integrated value for one combustion cycle by detecting a combustion cycle and continuously detecting a suction air pipe pressure and determines that the engine is under an accelerated state such that a pressure difference determined by comparing the pressure integrated value with the pressure integrated value at the preceding combustion cycle becomes equal to or more than a predetermined acceleration determining reference value, thereby increasing a fuel amount. The electronic control unit determines that the engine is under the accelerated state at a particular time when the difference between the pressure integrated value and the atmospheric pressure becomes equal to or less than a reference value and a pressure difference integrated value obtained by integrating each of the pressure differences within an integrating period becomes equal to or more than another reference value.

REFERENCES:
patent: 6598469 (2003-07-01), Shimoyama et al.
patent: 6997167 (2006-02-01), Kitagawa et al.
patent: 2005/0133011 (2005-06-01), Kitagawa et al.
patent: 2002-242749 (2002-08-01), None

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