Land vehicles: bodies and tops – Bodies – With distinct wind deflector
Reexamination Certificate
2006-09-11
2008-10-07
Pedder, Dennis H. (Department: 3612)
Land vehicles: bodies and tops
Bodies
With distinct wind deflector
C296S180400
Reexamination Certificate
active
07431381
ABSTRACT:
An improved method and device for the reduction of aerodynamic drag and for improved performance of bluff base vehicles by increasing the pressure on the bluff base of the vehicle by controlling the wake flow and the interaction of the wake flow with the vehicle bluff base region. An improved method and device for generating a reduction in drag force on the bluff base of a body moving through a fluid. The apparatus consists of two opposing panels attached to the bluff base and aligned approximately parallel to the side edge of the bluff base and lying in a plane that is parallel to the vehicle centerline. The drag force reduction results from controlling the flow entering the bluff base trailing wake from the left side surface, right side surface, bottom surface, and top surfaces of the vehicle. The objects and advantages also extend to other applications in which an object, body, or vehicle is moving through either a gas or a fluid.
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Black Melissa A
Harper M. Bruce
Pedder Dennis H.
Williams Mullen
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