Electromagnetically actuatable fuel injection valve

Details Electromagnetically actuatable fuel injection valve Electromagnetically actuatable fuel injection valve

1987-10-30

1988-10-25

Rosenthal, Arnold

Valves and valve actuation

Permanent or constantly energized magnet actuator

25112915, 239585, F16K 3108, B05B 130

Patent

active

047798386

ABSTRACT:
An electromagnetically actuatable fuel injection valve which serves to supply fuel to a mixture-compressing internal combustion engine having externally supplied ignition. The fuel injection valve includes a valve housing with a mouth piece, in which a valve seat body is disposed, included are two magnet coils, two cores and one armature of soft magnetic material, which with an extension is inserted into a receiving bore of a spherical guide section made from hard material and is connected to a valve needle. The spherical guide section is slidably supported with its circumference in a guide bore of the valve seat body and in its stroke movement away from the core is limited by a stop opening adjoining the guide bore.

REFERENCES:
patent: 4274598 (1981-06-01), Wilfert et al.
patent: 4454990 (1984-06-01), Lewis
patent: 4653720 (1987-03-01), Knapp et al.

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