Patent ID: 7306168
Filing Date: 2007-12-11
Classification: B29C,F02M

Abstract:
1. A fuel injector comprising: a polymeric housing having a passageway extending between an inlet and an outlet along a longitudinal axis; a pole piece disposed in the passageway, the pole piece having a through opening; a filter assembly having a portion disposed in the through opening of the pole piece; a coil assembly disposed in the polymeric housing to surround the pole piece; a spring member disposed partly in the pole piece and including a spring portion contiguous with the portion of the filter assembly; an armature assembly disposed in the passageway in a first position having a portion confronting the pole piece and in a second position having a closure member contiguous to an end face of the pole piece; and a metering assembly secured to the polymeric housing proximate the outlet, the metering assembly having a seat secured to a polymeric support member, the seat having a sealing member disposed between the seat and the polymeric support member.