Patent ID: 7334746
Filing Date: 2008-02-26
Classification: F02M,Y10S

Abstract:
1. A fuel injector for an internal combustion engine, comprising: a housing having an inlet and an outlet disposed along a longitudinal axis; a homogeneous member disposed proximate the outlet and defining a continuous wall having a seat portion and a guide portion, the seat portion including a sealing surface and a seat orifice, the homogeneous member further comprising a passage penetrating the continuous wall intermediate the guide portion and the seat portion; a closure member in the housing positioned by the guide portion for reciprocal motion along the longitudinal axis between a first position wherein the closure member is displaced from the seat, allowing fuel flow past the closure member, and a second position wherein the closure member is contiguous the seat, precluding fuel flow past the closure member; and a metering disk proximate the seat orifice; wherein the continuous wall includes a support portion integrally formed with the seat portion, the metering disk being fixed to the support portion; and wherein the continuous wall includes a retaining portion integrally formed with the support portion, the retaining portion being fixed at the housing outlet.