Needle alignment fuel injector

Details Needle alignment fuel injector Needle alignment fuel injector

2005-09-06

2005-09-06

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533100, C239S533200, C239S585300, C239S585400, C239S585500

Reexamination Certificate

active

06938839

ABSTRACT:
A fuel injector includes a valve body and a valve seat positioned at a lower end of the valve body. A needle assembly is positioned within an inner bore of the valve body, the needle assembly including a needle body and an armature connected to an upper end of the needle body. A pair of guides are integrally formed with the valve body for guiding the needle assembly. The pair of guides includes an upper guide and a lower guide; the upper guide guiding the armature and the lower guide guiding the needle body.

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