Patent ID: 6938839

Claim:
A fuel injector for an engine comprising: a valve body having an inner bore defining an inner surface; a valve seat positioned at a lower end of the valve body; a needle assembly positioned within the inner bore of the valve body, the needle assembly including a needle body and an armature connected to an upper end of the needle body, a lower end of the needle body defining a needle tip for sealingly engaging the valve seat; a pair of guides formed with the valve body as a single solid piece for guiding the needle assembly, the pair of guides including an upper guide and a lower guide, the upper guide guiding the armature, the lower guide guiding the needle body, the lower guide including a flange projecting inwardly relative to the inner surface; and the armature including a first flow passage, the needle body and the inner surface defining a second flow passage therebetween, and a third flow passage extending through the flange of the lower guide, the first, second and third flow passages in fluid communication for passing fuel to the valve seat.