Electromagnetic metering valve for a fuel injector

Details Electromagnetic metering valve for a fuel injector Electromagnetic metering valve for a fuel injector

1997-12-09

1998-10-13

Ferensic, Denise L.

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112919, 25112921, 2395338, 2395851, F16K 3102

Patent

active

058201017

ABSTRACT:
The metering valve has a shutter for a discharge conduit, and an electromet for controlling an armature disconnected from a respective stem and sliding along the stem by means of a respective sleeve; the stem is guided by a bush and pushed by a first spring to keep the shutter in the closed position; and the armature is held axially resting against the stem by a second spring preloaded between the armature and an annular shoulder of the stem, so as not to affect the action of the first spring.

REFERENCES:
patent: 3473780 (1969-10-01), Harms
patent: 3970282 (1976-07-01), Hansen
patent: 5114077 (1992-05-01), Cerny
patent: 5154350 (1992-10-01), Ausiello et al.
patent: 5238224 (1993-08-01), Horsting
patent: 5395048 (1995-03-01), Ricco et al.
patent: 5560549 (1996-10-01), Ricco et al.

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