Patent ID: 6533188
Filing Date: 2003-03-18
Classification: F02M,Y10S

Abstract:
A fuel injector for use with an internal combustion engine, the fuel injector comprising:a valve group subassembly including: a tube assembly having a longitudinal axis extending between a first end and a second end; a seat secured at the second end of the tube assembly, the seat defining an opening; an armature assembly disposed within the tube assembly; a member biasing the armature assembly toward the seat; a filter assembly located in the tube assembly, the filter assembly engaging the member and adjusting a biasing force of the member; an orifice plate proximate the seat and distal from the armature assembly; a retainer having a first portion resiliently engaging the tube assembly and a second portion biasing the orifice plate toward the seat; and a first attaching portion; and a coil group subassembly including:a solenoid coil operable to displace the armature assembly with respect to the seat; and a second attaching portion fixedly connected to the first attaching portion.