Control apparatus for direct injection type internal...

Details Control apparatus for direct injection type internal... Control apparatus for direct injection type internal...

2007-08-07

2008-08-26

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

Reexamination Certificate

active

07418337

ABSTRACT:
An apparatus for controlling the quantity of fuel injection of injectors in accordance with the fuel pressure in the fuel rail of a direct injection type internal combustion engine, including a fuel injection quantity calculating section for calculating the quantity of fuel injection of the injector, a fuel discharge quantity calculating unit for calculating the quantity of fuel discharged from the high-pressure fuel pump into the fuel rail, and a difference calculating unit for calculating the difference between the quantity of fuel injected out of the injector calculated by the fuel injection quantity calculating section and the quantity of fuel discharged from the high-pressure fuel pump into the fuel rail calculated by the fuel discharge quantity calculating unit, wherein the reference value for controlling the injector is obtained on the basis of the difference and the fuel pressure in the fuel rail at the time of starting fuel injection out of injector, and the injector is controlled depending on the reference value.

REFERENCES:
patent: 4879673 (1989-11-01), Nagase et al.
patent: 6705296 (2004-03-01), Horstmann et al.
patent: 58-217759 (1983-12-01), None
patent: 2003-74397 (2003-03-01), None
patent: 2004-346852 (2004-12-01), None
patent: 2006-057514 (2006-03-01), None

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