Fuel injector

Details Fuel injector Fuel injector

2006-02-07

2006-02-07

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

C239S533900, C239S575000, C239S585300, C239S585500

Reexamination Certificate

active

06994281

ABSTRACT:
A fuel injector for fuel-injection systems of internal combustion engines includes a valve needle cooperating with a valve-seat surface to form a sealing seat, and an armature engaging with the valve needle, the armature being axially moveable at the valve needle and being damped, via a damping element, which is located in a recess in a downstream-side end face of the armature, with respect to a cup-shaped sleeve positioned downstream from the armature and joined to the valve needle in force-locking manner. Furthermore, the fuel injector includes a filter element, the filter element being positioned downstream from the armature in the cup-shaped sleeve.

REFERENCES:
patent: 5190223 (1993-03-01), Mesenich
patent: 5238192 (1993-08-01), McNair
patent: 5325838 (1994-07-01), Bennett
patent: 5423489 (1995-06-01), Wood
patent: 6003791 (1999-12-01), Reiter
patent: 6363915 (2002-04-01), Cohen
patent: 44 21 881 (1996-01-01), None
patent: 42 00 710 (1993-05-01), None

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