Patent ID: 8272370
Filing Date: 2012-09-25
Classification: F02M

Abstract:
1. A fuel injector for a fuel injection system of an internal combustion engine, comprising: a valve-seat member; a valve-closure member; and an excitable actuator for operating the valve-closure member, along a longitudinal valve axis, the valve-closure member interacting with a valve-seat surface provided on the valve-seat member, and having at least one spray opening and metallic components which are firmly connected to one another by pressing, wherein the fixed press connection between at least two metallic components of the fuel injector is arranged so that at least one of the metallic components has a structure including grooves in at least one of its press area and a particular press area has an inlet rounding in at least one transition to an adjacent component section; wherein at least one of the metallic components of the fixed press connection is a thin-walled valve sleeve situated between an inner pole and an outer pole of the excitable actuator.