Patent ID: 6766968
Filing Date: 2004-07-27
Classification: F02M

Abstract:
A fuel injector for a fuel injection system in an internal combustion engine, comprising:an actuator; a valve-seat surface; a valve-closure member that forms a sealing seat with the valve-seat surface; a plunger element being selectively actuatable and moveable relative to the valve needle; a valve needle actuatable by the actuator and for operating the valve-closure member; and a swirl disk positioned upstream of the valve-seat surface with a lower portion of the valve-closure member, extending trough the swirl disk the swirl disk including at least one swirl channel through which a fuel flows with a tangential component relative to a longitudinal axis of the fuel injector, the swirl disk being elastically deformable in an axial direction upon actuation of the plunger element.