Fuel injection control method of engine and fuel injection...

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

2008-10-27

2010-11-09

Kwon, John T (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S115000, C123S434000

Reexamination Certificate

active

07831372

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.

REFERENCES:
patent: 6223730 (2001-05-01), Hasegawa et al.
patent: 6382188 (2002-05-01), Hasegawa et al.
patent: 2001/0008134 (2001-07-01), Hasegawa et al.
patent: 2005-140063 (2005-06-01), None

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