INTERNAL COMBUSTION ENGINE WITH FAST COMBUSTION, AND METHOD FOR CONTROLLING THE ENGINE

In an internal combustion engine provided with an electro-hydraulic system for variable actuation of the intake valves of the engine, each cylinder has two intake valves (VT, VS), associated with two intake conduits. A first intake conduit (4T) is configured so as to generate, within the cylinder, a main tumble motion, a cross-tumble motion and a swirl motion of the airflow. A second intake conduit (4S) has a scroll-type configuration, so as to generate a swirl motion of the airflow within the cylinder in a direction opposite to that of the swirl motion induced by the first intake conduit (4T). An electronic controller (25) is configured to partially or entirely open the intake valve (VT) associated to the first intake conduit in a condition of reduced operation of the engine, below a predetermined engine load and/or below a predetermined engine rotational speed, and to always open both the intake valves (VT, VS) in the remaining conditions of operation of the engine.