Patent ID: 6793162
Filing Date: 2004-09-21
Classification: F02M,Y10S

Abstract:
A fuel injector comprising:a housing having a passageway extending between an inlet and outlet along a longitudinal axis; a magnetic coil cincturing a portion of the passageway; an armature assembly being disposed along the longitudinal axis in the passageway, the armature assembly including an armature and a closure member proximate respective distal ends of the armature assembly; a body having an inner surface exposed to the armature assembly and an outer surface surrounding the inner surface, the body extending between a first body end and a second body end so as to enclose at least a portion of the armature assembly; a seat proximate the second body end, the seat having a seat orifice extending along the longitudinal axis between a first surface and a second surface of the seat, the seat including an outer surface contiguous to the inner surface of the body, the seat being attached to the body by at least one weld extending from an outer surface of the body to the outer surface of the seat so as to form a generally hermetic seal between the body and the seat.