Fluid sprinkling – spraying – and diffusing – Processes – Of fuel injection
Patent
1993-08-06
1995-01-24
Grant, William
Fluid sprinkling, spraying, and diffusing
Processes
Of fuel injection
239543, 239544, 239552, 239584, 2395903, 2395905, 239596, 239DIG19, F02M 6116, F02M 6300
Patent
active
053835972
ABSTRACT:
A fuel injector for improving the atomization quality of fuel flowing into an internal combustion engine, includes a body having first and second turbulence cavities defined therein. First and second supply orifices in the body are coupled into their corresponding turbulence cavities for guiding the flow of fuel thereinto. First and second metering orifices in the body are coupled from corresponding first and second turbulence cavities for exhausting the atomized fuel therefrom in first and second fuel flows. One rim of each supply orifice is paired with a second rim of an adjacent metering orifice in order to produce a turbulence within the turbulence cavity. The metering orifice rim is spaced downstream by a distance y and laterally offset by a distance x from the supply orifice rim such that x/y is greater than 0.1. The fuel flowing from the first and second metering orifices includes lateral momentum components that cooperate to control the resultant cone angle of the fuel flowing from the injector. A plurality of hillocks are located within the turbulence cavity to enhance atomization. A method of operation for the apparatus is also provided.
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Barua Debojit
Fried Marcus W.
Sooriakumar Kathirgamasundaram
Dixon Richard D.
Ford Motor Company
Grant William
May Roger L.
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