FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINES

摘要

Disclosed is a fuel injection valve for internal combustion engines, comprising a valve body (3) in which a borehole (8) that is provided with a longitudinal axis (18) is configured. A valve seat (20) is configured at the end of the borehole (8) facing the combustion chamber. At least one outer injection duct (22) and at least one inner injection duct (24) originate at the valve seat (20) and extend into a combustion chamber (6) of the internal combustion engine. The inlets (122, 124) of said injection ducts (22, 24) are placed at an axial distance from each other. The flow of fuel through the outer injection ducts (22) is controlled by an outer valve needle (10) which is arranged in the borehole (8) while the flow of fuel through the inner injection ducts (24) is controlled by an inner valve needle (12). The jets (30; 32) of at least one outer injection duct (22) and at least one inner injection duct (24) are combined in the combustion chamber (6).