Fuel injection valve

Details Fuel injection valve Fuel injection valve

1994-03-29

1995-05-02

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

And valving means controlling flow for combining

23953312, B05B 712

Patent

active

054112125

ABSTRACT:
An air fuel mixing portion 5A in an air fuel assist type fuel injection valve comprises an upstream cylindrical portion including an air injection opening and a tapered downstream portion whereby dripping of fuel can be minimized. A spray angle of 30.degree. or less is obtainable, and a rate of change in fuel flow between an air-injection time and a non-air-injection time can be reduced. Further, the relation between the inner diameter D.sub.1 of the cylindrical portion and the smallest diameter of the tapered portion is determined to be D.sub.1 <D.sub.2.

REFERENCES:
patent: 3656693 (1972-04-01), Eckert
patent: 4264040 (1981-04-01), Saito
patent: 4519370 (1985-05-01), Iwata
patent: 4982716 (1991-01-01), Takeda et al.
patent: 5129381 (1992-07-01), Nakajima
patent: 5174505 (1992-12-01), Shen
patent: 5207383 (1993-05-01), Hans et al.
patent: 5232163 (1993-08-01), Grytz
patent: 5323966 (1994-06-01), Buchholz et al.

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