Patent ID: 6966504
Filing Date: 2005-11-22
Classification: F02M

Abstract:
1. A fuel injector, comprising: a valve needle having an injector end; a valve-seat member having a valve-seat surface; a valve-closure member at the injector end of the valve needle, the valve-closure member interacting with the valve-seat surface to form a sealing seat; at least one inflow opening arranged as a swirl duct formed in one of: i) the valve-seat member, and ii) in a swirl disk adjacent to the valve-seat member, the at least one inflow opening disposed eccentrically in one of: i) the valve seat member and ii) the swirl disk to provide a tangential component of the inflow opening relative to a longitudinal axis of the fuel injector; a swirl chamber formed on the valve-seat member; and a plurality of injection openings provided in the valve-seat member and opening out from the swirl chamber to form and angle between longitudinal axes of the injector openings with respect to the longitudinal axis of the fuel injector, and through which fuel provided with an angular momentum is simultaneously injected.