Electromagnetically actuatable fuel injection valve

Details Electromagnetically actuatable fuel injection valve Electromagnetically actuatable fuel injection valve

1985-10-03

1988-01-05

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

239125, F02M 5106

Patent

active

047170808

ABSTRACT:
An electromagnetically actuatable fuel injection valve for fuel injection systems is proposed. The valve includes a valve housing and a first connection pipe serving as the core, which is surrounded by a magnetic coil. A second connection pipe is disposed inside the first connection pipe and with it forms a flow cross section for the inflowing fuel, which via the flow conduit can flow into an interior chamber of the valve housing surrounding the magnetic coil and from there can flow via a connecting line into a fuel chamber surrounding a nozzle needle, this chamber being defined by a guide bore in the nozzle body as well as by an injection port at one end and by an armature on the other. A bypass bore is provided in a head of the nozzle needle leading from this fuel chamber to an inner bore of the armature. This inner bore is open toward the second connection pipe so that at least a partial quantity of fuel is capable of flowing back via the second connection pipe.

REFERENCES:
patent: 3241768 (1966-03-01), Croft
patent: 3589610 (1971-06-01), Wahlin
patent: 4179069 (1979-12-01), Knapp et al.
patent: 4365746 (1982-12-01), Tanasawa et al.
patent: 4395988 (1983-08-01), Knapp et al.
patent: 4483484 (1984-11-01), Hafner et al.

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