Patent ID: 7481378
Filing Date: 2009-01-27
Classification: B29C,F02M

Abstract:
1. A fuel injector comprising: a polymeric housing having a continuous polymeric bore that extends from a first external seal proximate an inlet to a second external seal proximate an outlet of the bore along a longitudinal axis, the polymeric bore including a polymeric fuel inlet passage directly facing the longitudinal axis to permit fuel flow through the fuel inlet passage; a metering assembly disposed proximate the second external seal; and a closure assembly disposed proximate the metering assembly, a portion of the closure assembly contiguous the polymeric bore and disposed between the first and second external seals; wherein the polymeric bore comprises a plurality of different diameters along the longitudinal axis and a portion tapered towards the longitudinal axis to define a guide surface; the polymeric housing comprises a nylon body enclosing a coil assembly and at least one terminal connector; and the coil assembly comprises a coil housing disposed about the longitudinal axis to surround a bobbin and at least one wire coiled about the bobbin, the coil housing having at least one through opening and a portion contiguous to a flux washer proximal the first external seal and disposed about the longitudinal axis.