Patent ID: 6708907
Filing Date: 2004-03-23
Classification: F02M

Abstract:
A fuel injector comprising:a body having an inlet, an outlet, and a fuel passageway extending from the inlet to the outlet along a longitudinal axis; an armature proximate the inlet of the body; a needle operatively connected to the armature; a seat proximate the outlet of the body; a guide member disposed within the body, the guide member including an aperture that guides the needle; and a disk disposed between the seat and the guide member, the disk including a central aperture, a perimeter, and a plurality of slots, each of the plurality of slots being disposed about the central aperture and extending from the central aperture toward the perimeter to define a volume; wherein at least one of the volumes of two of the plurality of slots is non-uniform with respect to the other, and the plurality of slots are non-uniformly disposed about the central aperture.