Patent ID: 6808134
Filing Date: 2004-10-26
Classification: F02M

Abstract:
A fuel injector, comprising:a valve-seat surface; a valve needle that cooperates with the valve-seat surface to form a sealing seat; a flange connected in a force-locking manner to the valve needle; a damping element made from an elastomer and resting on the flange; an armature that engages with the valve needle and that is axially movable on the valve needle, the armature being damped by the damping element; and a first intermediate ring situated between the armature and the damping element, wherein: at least one of the first intermediate ring and the flange includes at least one of at least one radial channel and at least one axial channel that connects an interior volume situated between the valve needle and the damping element to a central cutaway of the fuel injector.