Aeronautics and astronautics – Aircraft structure – Details
Reexamination Certificate
2005-02-22
2005-02-22
Carone, Michael J. (Department: 3644)
Aeronautics and astronautics
Aircraft structure
Details
Reexamination Certificate
active
06857604
ABSTRACT:
A cavity is provided on the leading edge of an object that is subject to the flow of liquids or gasses, where said cavity preferably has a wall that follows the curvature of a diminishing sine wave, although other configurations are possible that do not follow a specific sine wave. The cavity accepts the flow of liquids or gasses that enter into the cavity, and where the dimensions of the cavity cause the flow of liquids or gases within it to form a pressure node that extends forward of the cavity. The pressure node provides a wedge means to cause oncoming gasses or liquids to divert around the object body ahead of the object body itself, decreasing turbulence around the periphery of the object. The cavity may be spherical, in the instance of a missile, plane, or underwater transportation means, or may be linear, in the instance of an automobile grill that is subject to wind, or a bridge support, where the bridge support has to maintain position against the flow of current. The cavities may also be defined only on the front or leading edge, or concurrently on the front leading edge and the rear aft edge of the object to allow efficient movement both forward and aft.
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Carone Michael J.
Holzen Stephen A.
Sylvester Bradley P.
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