Fuel injection valve

Details Fuel injection valve Fuel injection valve

2005-04-05

2005-04-05

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585400, C239S585500, C239S533200, C239S533300, C239S533900, C239S585300

Reexamination Certificate

active

06874710

ABSTRACT:
A fuel injection valve includes: a magnetic barrel body made of a magnetic material and shaped substantially into a barrel, a core barrel made of a magnetic material and shaped substantially into a barrel, a valve seat member positioned on a downstream side of the core barrel and disposed in the magnetic barrel body, a valve body positioned between the core barrel and the valve seat member, an O-ring positioned in a vicinity of a flange portion of the magnetic barrel body, a fuel filter assembly disposed at the first end on the fuel's influx side of the magnetic barrel body. A flange of the fuel filter assembly is made of a material lower in hardness than the magnetic material of the magnetic barrel body. The flange of the fuel filter assembly has a diameter larger than the diameter of the flange portion of the magnetic barrel body.

REFERENCES:
patent: 4385339 (1983-05-01), Takada et al.
patent: 5275341 (1994-01-01), Romann et al.
patent: 5544816 (1996-08-01), Nally et al.
patent: 5692723 (1997-12-01), Baxter et al.
patent: 5996911 (1999-12-01), Gesk et al.
patent: 10-122085 (1998-05-01), None

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