NOZZLE NEEDLE FOR A FUEL INJECTOR, METHOD TO MANUFACTURE THE NOZZLE NEEDLE AND FUEL INJECTOR

摘要

The present disclosure refers to a nozzle needle (34) adapted to be used in a fuel injector (10). The nozzle needle comprises a first cylindrical part (36) formed with an abutment surface (38) at or proximal to a terminal end. The abutment surface is shaped to abut on a valve seat surface formed on an injector body, within which the nozzle needle is moveable. The nozzle needle is formed as a unitary member from a ceramic material.