Swirl generator in a fuel injector

Details Swirl generator in a fuel injector Swirl generator in a fuel injector

1999-02-26

2000-03-21

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Elongated orifice in terminal member

2395854, 239497, B05B 134, F02M 5106, F02M 6104

Patent

active

06039272&

ABSTRACT:
A high pressure fuel injector has a swirl generator with a metering disk upstream of the valve seat. The disks function to redirect the axially flowing fuel through the injector into a tangential fuel flow. As the fuel moves past the needle valve and the valve seat, the narrow cross section imparts a higher velocity to the fuel to atomize the fuel. As the fuel leaves the swirl generator and is ejected from the injector, the fuel forms a hollow conical sheet containing atomized fuel.

REFERENCES:
patent: 2273830 (1942-02-01), Brierly
patent: 5207384 (1993-05-01), Horsting

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