FUEL INJECTION NOZZLE

摘要

Fuel injection nozzle of an internal combustion engine, comprising a nozzle body (11) and a nozzle needle (12) located in said nozzle body (11), the nozzle body (11) providing a valve seat (13) for the nozzle needle (12) that serves as the valve body, such that, when the fuel injection nozzle is closed, a region (15) of the nozzle needle (12) pushes against the valve seat (13) provided by the nozzle body (11). The valve seat (13) provided by the nozzle body (11) has a conical contour and the region (15) of the nozzle needle (12) which pushes against the valve seat (13) provided by the nozzle body (11) when the fuel injection valve is closed is provided by a spherically contoured section (17) of the nozzle needle (12).