Electromagnetically actuatable valve, in particular a fuel injec

Details Electromagnetically actuatable valve, in particular a fuel injec Electromagnetically actuatable valve, in particular a fuel injec

1981-09-30

1983-11-22

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

F02M 5100

Patent

active

044164238

ABSTRACT:
An electromagnetically actuatable valve is proposed, which serves in particular to inject fuel into the intake tube of internal combustion engines operating with fuel injection systems. The fuel injection valve includes a valve housing, a shell-type core having a magnetic coil, and a flat armature. The flat armature is firmly connected with a spherical valve element which passes through a central guide opening in a guide diaphragm and cooperates with a fixed valve seat. The guide diaphragm guides the valve element in the radial direction toward the valve seat. The flat armature contacts the guide diaphragm via a concentric shoulder providing tension thereto so that the armature is guided in a plane parallel to the end face of the shell core. The fuel supply to the valve is effected via radial inlet openings in the valve wall. The non-metered fuel, after flowing through the magnetic element, can flow into a fuel return flow line by way of radial outlet openings which are axially offset and sealed from the inlet openings.

REFERENCES:
patent: 2130666 (1938-09-01), Coffey
patent: 3001757 (1961-09-01), Ball
patent: 3587970 (1971-06-01), Tindall et al.
patent: 4033507 (1977-07-01), Fromel
patent: 4196751 (1980-04-01), Fischer et al.
patent: 4310123 (1982-01-01), TePasste
patent: 4356980 (1982-11-01), Krauss
patent: 4365747 (1982-12-01), Knapp et al.

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