Electromagnetically actuatable fuel-injection valve

Details Electromagnetically actuatable fuel-injection valve Electromagnetically actuatable fuel-injection valve

1985-12-04

1987-03-03

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

2395336, 2395339, 239584, 251337, 291571R, 29445, F02M 6300

Patent

active

046469753

ABSTRACT:
An electromagnetically actuatable fuel-injection valve for injection systems of internal combustion engines having a valve housing, a soft-iron core which is arranged within the valve housing and bears a stationary magnet windind and an armature which is coaxial to the core and faces it forming an air gap therewith. The armature forms a valve closure member. The valve has a passage bore which extends from an inlet, through the soft-iron core, to the valve closure member, within which bore a compression spring is arranged with its one end buttressed therein and its other end resting with a given initial stress against the armature. The compression spring is buttressed via an axially, plastically deformable support element in the passage bore, the resistance to deformation of the buttress element being greater than the force of the given initial stress of the compression spring.

REFERENCES:
patent: 3107895 (1963-10-01), Vogeli
patent: 3396449 (1968-08-01), Brantner
patent: 3662761 (1972-05-01), Hoffman
patent: 3880605 (1975-04-01), Webster

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