Swirl generator in a fuel injector

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

1997-02-06

1999-03-02

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

2395854, F02M 6100

Patent

active

058759727

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.

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patent: 5636796 (1997-06-01), Oguma

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