Patent ID: 6517014
Filing Date: 2003-02-11
Classification: F02M

Abstract:
A fuel injector for a fuel-injection system of an internal combustion engine, comprising:an actuator, the actuator being one of a piezoelectric actuator and a magnetostrictive actuator, the actuator having first and second end faces, the second end face facing away from the first end face; a valve needle; a valve-seat surface; a valve-closure member which is operable by the actuator with the aid of the valve needle and which cooperates with the valve-seat surface to form a sealing seat; a supporting member that abuts against the first end face of the actuator, the supporting member having at least one cut-out; and an actuating sleeve having at least one segment that projects through the at least one cut-out of the supporting member, the actuating sleeve having a first end and a second end, the first end acting upon the valve needle, and the second end embracing the second end face of the actuator.