Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Orifice in separable disc or plate
Reexamination Certificate
2005-01-25
2005-01-25
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Rigid fluid confining distributor
Orifice in separable disc or plate
C239S533300, C239S533120, C239S533140, C239S596000, C239S585500, C239S088000
Reexamination Certificate
active
06845930
ABSTRACT:
A fuel injector that allows spray targeting and distribution of fuel to be configured using non-angled or straight orifice having an axis parallel to a longitudinal axis of a valve subassembly. Metering orifices are located about the longitudinal axis and defining a first virtual circle greater than a second virtual circle defined by a projection of the sealing surface onto the metering disc so that all of the metering orifices are disposed outside the second virtual circle. The projection of the sealing surface converges at a virtual apex disposed within the metering disc. At least one channel extends between a first end and second end. The first end is disposed at a first radius from the longitudinal axis and spaced at a first distance from the metering disc. The second end is disposed at a second radius with respect to the longitudinal axis and spaced at a second distance from the metering disc such that a product of the first radius and the first distance is approximately equal to a product of the second radius and the second distance. Methods of controlling spray distribution and targeting are also provided.
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U.S. Appl. No. 10/162,759, Peterson, Jr., filed Jun. 6, 2002, Pending, Spray Pattern Control with Non-Angled Orifices in Fuel Injection Metering Disc.
U.S. Appl. No. 09/183,392, Peterson, Jr., filed Jun. 28, 2002, Pending, Spray Control with Non-Angled Orifices in Fuel Injection Metering Disc and Methods.
Hwu Davis
Siemens VDO Automotive Corp.
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