Magnetically actuatable valve

Details Magnetically actuatable valve Magnetically actuatable valve

1990-02-23

1991-01-01

Walton, George L.

Valves and valve actuation

Valve head movably connected for accommodation to seat

With universal connection

239585, 25112915, 251 65, 335262, 335280, F16K 2500, F16K 3108, F02M 5106

Patent

active

049812823

ABSTRACT:
In known injection valves having a spherical valve closing member, it is difficult to center the valves. In the novel injection valve, self-centering is precisely achieved. In a valve having a spherical valve closing member on which a restoring spring is supported and which is located facing the end of the core of an electromagnet, it is proposed that a centering ring of soft magnetic material be disposed between the spherical valve closing member and the core end face. The injection valve is particularly well suited for fuel injection systems in internal combustion engines.

REFERENCES:
patent: 2828936 (1958-04-01), Hales
patent: 3628767 (1971-12-01), Lombard
patent: 3727390 (1973-03-01), Jackson
patent: 4320781 (1982-03-01), Bouvet et al.
patent: 4390130 (1983-06-01), Linssen et al.
patent: 4481699 (1984-11-01), Knapp et al.
patent: 4597558 (1986-07-01), Hafner et al.
patent: 4655396 (1987-04-01), Taxon et al.
patent: 4756331 (1988-07-01), Stegmaier
patent: 4807846 (1989-02-01), Greiner et al.

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