Fuel injection valve

Details Fuel injection valve Fuel injection valve

1997-10-31

1999-10-19

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395851, F02M 6100

Patent

active

059674237

ABSTRACT:
An improved fuel injection valve for improving the flow of fuel includes a vortex forming member and a needle valve having a planar surface on its leading end. A valve seat has a fuel injection nozzle formed therein and the needle valve opens and closes the fuel injection nozzle by engaging and disengaging with the valve seat. The vortex forming member provides a vortex motion to the fuel entering the fuel injection nozzle, upstream of a seat portion. The flat portion reduces the amount of surface area in which particles may adhere, thus preventing particles from adhering to the needle valve and reducing interference with the flow of fuel.

REFERENCES:
patent: 4382554 (1983-05-01), Hofmann
patent: 4407457 (1983-10-01), Seifert
patent: 4650121 (1987-03-01), Augustin
patent: 4967959 (1990-11-01), Wieczorek
patent: 4971254 (1990-11-01), Daly et al.
patent: 5242118 (1993-09-01), Schmidt et al.
patent: 5494225 (1996-02-01), Nally et al.
patent: 5570841 (1996-11-01), Pace et al.
patent: 5685485 (1997-11-01), Mock et al.
patent: 5699963 (1997-12-01), Ueda
patent: 5765750 (1998-06-01), Pace et al.

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