Perforated body for a fuel injection valve

Details Perforated body for a fuel injection valve Perforated body for a fuel injection valve

1988-09-12

1990-01-02

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239585, F02M 6118, F02M 5106

Patent

active

048907944

ABSTRACT:
In known fuel injection valves, perforated bodies are secured downstream of the valve sealing seat and are provided with injection openings the size of which meters the quantity of fuel injected. The novel perforated body is intended to enable simple adjustment of the size of these injection openings. The perforated body has a plurality of injection openings, which by their geometry meter the quantity of fuel flowing through them and aim the injected fuel stream. The provision of steps in the form of grooves, blind bores or wedge-shaped notches, in flat sides of the perforated body defines the length of individual injection openings. The perforated body is suitable for use in fuel injection valve of fuel injection systems of internal combustion engines.

REFERENCES:
patent: 4532906 (1985-08-01), Hoppel
patent: 4627772 (1986-11-01), Blythe et al.
patent: 4646974 (1987-03-01), Sofianek et al.
patent: 4699323 (1987-10-01), Rush et al.

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