Patent ID: 6648249
Filing Date: 2003-11-18
Classification: F02M

Abstract:
A fuel injector for use with an internal combustion engine, the fuel injector comprising:a housing having a flow passage extending along a longitudinal axis between a first end and a second end; an electromagnetic actuator including a stator having an end face; an armature assembly proximate the first end, the armature assembly having a surface in confronting arrangement with the end face; spring means to establish a gap between the end face and the surface; a flow metering device disposed within the flow passage proximate the second end, the flow metering device engaging the armature assembly; and a sleeve disposed along the longitudinal axis within the flow passage at a preset position, the sleeve including a circumferential portion contiguous to a circumferential portion of the housing extending along to and about the longitudinal axis, the sleeve bearing against the flow metering device to define the gap.