Fluid sprinkling – spraying – and diffusing – Processes – Of fuel injection
Patent
1994-08-19
1995-09-12
Grant, William
Fluid sprinkling, spraying, and diffusing
Processes
Of fuel injection
239552, 239584, 2395903, 2395905, 239596, 239DIG19, F02M 6116, F02M 6300
Patent
active
054491142
ABSTRACT:
A method for improving the atomization quality from a fluid injector includes the steps of inducing a first vortex turbulence in the fluid flowing past a first protrusion in a supply orifice having a flow axis therein, guiding the fluid through a turbulence cavity and then out through a first metering orifice having another protrusion positioned downstream from the first protrusion by a distance y measured generally parallel to the flow axis and by a distance x measured generally perpendicular to the flow axis. The droplet size of the fluid exiting from the metering orifice is reduced by sizing the x and y dimensions to position the first vortex turbulence within the turbulence cavity operatively adjacent to and upstream from the first metering orifice. In a preferred embodiment, the ratio of x/y is greater than 0.5 and less than 5. A fuel injector nozzle practicing this process is also provided.
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Barua Debojit
Evers Lawrence W.
Richardson William P.
Wells Marvin D.
Dixon Richard D.
Ford Motor Company
Grant William
May Roger L.
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