Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-08-22

2006-08-22

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585300, C239S585400, C239S585500, C239S900000, C251S129160

Reexamination Certificate

active

07093779

ABSTRACT:
A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, has a valve needle which cooperates with a valve-seat surface to form a sealing seat, and an armature which is connected to the valve needle, the armature being acted upon in the closing direction by a restoring spring and cooperating with a magnetic coil. The armature has a guide flange which is guided at an opposite surface. The guide flange does contact the opposite surface in all places, so that recesses are formed between the guide flange and the opposite surface.

REFERENCES:
patent: 3731881 (1973-05-01), Dixon et al.
patent: 4331317 (1982-05-01), Kamai et al.
patent: 5884850 (1999-03-01), Norgauer
patent: 36 27 793 (1988-02-01), None
patent: 36 43 523 (1988-06-01), None
patent: 44 26 006 (1996-01-01), None
patent: 196 26 576 (1998-01-01), None
patent: 0 200 865 (1986-11-01), None
patent: WO 01 44653 (2001-06-01), None
patent: WO01/44653 (2001-06-01), None

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