Method of controlling an internal combustion engine with a...

Details Method of controlling an internal combustion engine with a... Method of controlling an internal combustion engine with a...

2007-09-18

2007-09-18

Wolfe, Willis R. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S446000, C073S114220

Reexamination Certificate

active

11378808

ABSTRACT:
In a method of controlling an internal combustion engine with a common rail fuel injection system including individual fuel storage chambers for the supply of fuel to the various cylinders of the internal combustion engine, a fuel pressure (pE(i)) is determined during a measuring interval (MESS) and is stored, the existence of a significant change in the fuel pressure is determined as an injection begin (SB=f(pE(i), Phi)) or an injection end (SE=f(pE(i)), Phi), a virtual injection begin is calculated by way of a mathematical function (FKT) depending on the injection end (SE), and the virtual injection begin (SBv) is used as the actual injection begin (SB) for the subsequent control of the internal combustion engine.

REFERENCES:
patent: 4777921 (1988-10-01), Miyaki et al.
patent: 6722345 (2004-04-01), Saeki et al.
patent: 6755176 (2004-06-01), Takeuchi et al.

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