System and method for combustion engines

Details System and method for combustion engines System and method for combustion engines

2005-01-25

2005-01-25

Kwon, John T. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S493000, C701S109000

Reexamination Certificate

active

06845761

ABSTRACT:
The invention relates to a method for improving combustion in a combustion chamber of a combustion engine. The method comprises the first step of receiving a measured air-to-fuel ratio value. Further, the method comprises the step of receiving at least one estimated air-to-fuel ratio value. The air-to-fuel ratio estimate is generated in dependence of a predetermined fuel deposit factor. Furthermore, the method comprises the step of establishing a fuel volatility value in dependence of said measured air-to-fuel ratio value and said air-to-fuel ratio estimate. Finally the method comprises the step of controlling combustion in dependence of said fuel volatility value.

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