Patent ID: 7011257
Filing Date: 2006-03-14
Classification: F02M

Abstract:
1. A fuel injector for a fuel injection system of an internal combustion engine, comprising: a valve-seat member having an outer end face; a valve-seat surface formed at the valve-seat member; a valve-closure member which, together with the valve-seat surface, forms a sealing seat; an energizable actuator; a valve needle in operative connection with the actuator; a restoring spring acting upon the valve needle in a closing direction to actuate the valve-closure member; and at least one spray-discharge orifice formed in the valve-seat member, the at least one spray-discharge orifice discharging from elevations which project beyond the outer end face of the valve-seat member, the fuel being guided through flow channels in the elevations, wherein the flow channels in the elevations taper toward the spray-discharge orifice in a discharge direction of the fuel.