DIRECT INJECTION INJECTOR FOR INTERNAL COMBUSTION ENGINE

摘要

Present invention relates to a direct injection injector for internal combustion engine for injecting fluid medium into a combustion chamber of an engine, where at least the end surface (2) of the nozzle tip assembly (1) of the injector is in immediate communication with the combustion chamber of the engine. In the direct injection injector according to the invention, the spring assembly (7) comprising at least one Belleville spring (6) is placed together with valve seat (4) and valve closure element (5) in the nozzle tip assembly (1).