Fuel injection valve

Details Fuel injection valve Fuel injection valve

2006-07-04

2006-07-04

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585100

Reexamination Certificate

active

07070128

ABSTRACT:
A fuel injector includes a magnetic coil, which cooperates with an armature acted upon by a restoring spring, the armature forming an axially movable valve part together with a valve needle. A valve-closure member which forms a sealing seat with a valve-seat member is provided at the valve needle. Furthermore, the fuel injector includes an inner pole and an outer pole which form a magnetic circuit with the magnetic coil. The restoring spring is acted upon by a guide sleeve so that its axial length during operation of the fuel injector is smaller than the axial length of a bore of the inner pole.

REFERENCES:
patent: 4944486 (1990-07-01), Babitzka
patent: 4967966 (1990-11-01), Babitzka et al.
patent: 5360197 (1994-11-01), Reiter et al.
patent: 5875975 (1999-03-01), Reiter et al.
patent: 6357676 (2002-03-01), Hanft
patent: 195 03 224 (1996-08-01), None
patent: 196 26 576 (1998-01-01), None
patent: 197 44 739 (1999-04-01), None
patent: 1 092 865 (2001-04-01), None
patent: 880 369 (1961-09-01), None
patent: 59 201966 (1984-11-01), None
Patent Abstracts of Japan, vol. 009, No. 070 (M-367, Mar. 30, 1985).

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