Spray pattern control with non-angled orifices formed on a...

Fluid sprinkling – spraying – and diffusing – Processes – Of fuel injection

Reexamination Certificate

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Details

C239S533120, C239S533200, C239S585100, C239S596000, C239S598000, C239S900000

Reexamination Certificate

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06921021

ABSTRACT:
A fuel injector that includes a housing, a seat, a metering disc and a closure member. The metering orifices can be located on a first virtual circle greater than a second virtual circle as defined by a projection of a sealing surface converging at a virtual apex projected on the metering disc. The metering disc can be dimpled to increase the spray angle. Various parameters can be utilized to achieve a desired cone size and spray angle. A method of controlling spray targeting of a fuel injector is also described.

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PCT International Search Report (PCT/US 2004/000594) Mailed Jul. 2, 2004.

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