Fuel injection control apparatus and method for internal...

Details Fuel injection control apparatus and method for internal... Fuel injection control apparatus and method for internal...

2007-12-27

2009-08-11

Vo, Hieu T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S478000, C123S300000, C701S105000

Reexamination Certificate

active

07574299

ABSTRACT:
A fuel injection control apparatus and method for an internal combustion engine are provided for appropriately calculating fuel injection times for an in-cylinder fuel injection valve and a port fuel injection valve, thereby accurately controlling the amounts of fuel supplied to the internal combustion engine from the in-cylinder fuel injection valve and the port fuel injection valve, respectively. The fuel injection control apparatus calculates an in-cylinder fuel injection amount which should be injected by the in-cylinder fuel injection valve, and calculates an in-cylinder fuel injection time which is a valve opening time of the in-cylinder fuel injection valve in accordance with the calculated in-cylinder fuel injection amount and an acquired cylinder internal pressure. The fuel injection control apparatus further calculates a port fuel injection amount which should be injected by the port fuel injection valve, and calculates a port fuel injection time which is a valve opening time of the port fuel injection valve in accordance with the calculated port fuel injection amount and a detected pressure within an intake system.

REFERENCES:
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patent: 2005-155654 (2005-06-01), None
patent: 2005-201184 (2005-07-01), None
patent: 2006-329110 (2006-12-01), None

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