A method of operating an internal combustion engine

摘要

A method is disclosed for operating an internal combustion engine 10 having a combustion chamber 30 with a piston 36. The internal combustion engine 10 is capable of injecting fuel into the combustion chamber 30 several times during a cycle. The method comprises performing a first fuel injection after approximately minus 25 crank angle degrees after top dead centre and performing a second fuel injection less than approximately 25 crank angle degrees after the start of the first fuel injection.