Internal combustion engine fuel injector having an...

Details Internal combustion engine fuel injector having an... Internal combustion engine fuel injector having an...

2005-04-05

2005-04-05

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

C239S585300, C239S585500, C251S129010

Reexamination Certificate

active

06874709

ABSTRACT:
The injector has a hollow body housing the body of the metering valve, which has a discharge hole for discharging the usual control chamber. The hole comes out at a flat surface of the valve body, and is engaged by a flat surface of a plate, under the control of an armature of an electromagnet. The armature is in the form of a disk, has substantially no stem, is connected to the hollow body by a leaf spring hinge, and has a surface having a spherical-bowl-shaped recess. A ball is located between the recess and another recess carried by a second surface of the plate. The valve body is fixed to the hollow body by a ring nut of a given height. And, to cover the distance between the valve body and the armature, a spacer member is preferably formed in one piece with the valve body.

REFERENCES:
patent: 4356980 (1982-11-01), Krauss
patent: 4390130 (1983-06-01), Linssen et al.
patent: 5086980 (1992-02-01), Hickey
patent: 6161783 (2000-12-01), Press
patent: 6443132 (2002-09-01), Ricco et al.
patent: 3143916 (1983-05-01), None
patent: 19708104 (1998-09-01), None
patent: 0 484 804 (1992-05-01), None
patent: WO 9957429 (1999-11-01), None

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