Patent ID: 6499668
Filing Date: 2002-12-31
Classification: F02M

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, the tube assembly including an inlet tube having an inlet tube face; a seat secured at the second end of the tube assembly, the seat defining an opening; a lift sleeve telescopically disposed within the tube assembly a predetermined distance to set a relative axial position between the seat and the tube assembly; an armature assembly disposed within the tube assembly, the armature assembly having an armature face, at least one of the armature face and the inlet tube face having a first portion generally oblique to the longitudinal axis; a member biasing the armature assembly toward the seat; an adjusting tube located in the tube assembly, the adjusting tube engaging the member and adjusting a biasing force of the member; a first attaching portion; and a coil group subassembly including: at least one electrical terminal with at least one flat surface; a solenoid coil operable to displace the armature assembly with respect to the seat, the solenoid coil being axially spaced from the at least one electrical terminal; a terminal connector having a flat surface axially engaging the flat surface of the at least one electrical terminal, the terminal connector electrically connecting the at least one electrical terminal and the solenoid coil; and a second attaching portion fixedly connected to the first attaching portion.