Patent ID: 7156070
Filing Date: 2007-01-02
Classification: F02B,F02D,F02F,F02M,Y02T

Abstract:
1. An internal combustion engine provided with at least one cylinder ( 1 ) and comprising: a fuel injector ( a fuel injection control unit ( a piston ( at least one inlet valve ( at least one exhaust valve ( at least one sensor for measuring an engine operation parameter; wherein during compression ignition mode, the exhaust valve is arranged to be closed before top dead center during an exhaust stroke of the piston and the intake valve is arranged to be opened after top dead center during an induction stroke of the piston, in order to retain residual exhaust gas, and the fuel injection control unit is arranged to control the fuel injection quantity so as to perform a first fuel injection before top dead center of the piston exhaust stroke and to perform at least one further fuel injection in the interval after top dead center of the piston stroke and before top dead center of a subsequent piston compression stroke.