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US 9,586,464 B2Granted
Vehicle sunroof wind deflector
AssigneesNissan North America, Inc., Nissan Motor Co., Ltd., Sinhatech
InventorsSumon Sinha, Farokh Kavarana, Dan Williams, Kazuya Asao
Life of this patent
Estimating the term…
Abstract
A sunroof wind deflector for a vehicle includes a leading edge, a trailing edge and an outer surface extending between the leading edge and the trailing edge. The outer surface has a radius of curvature that changes along a length thereof so as to attenuate shear layer spreading.
Claims18
A sunroof wind deflector for a vehicle, comprising:
- a leading edge configured to be disposed adjacent a leading edge of an opening of a roof of the vehicle;
- a trailing edge;
- and
- an outer surface extending between the leading edge and the trailing edge, the outer surface having a radius of curvature that changes along a length thereof so as to attenuate shear layer spreading, and including at least one protrusion, the at least one protrusion being arcuate and configured to cause a laminar separation bubble so as to increase a freestream at a top of the at least one protrusion.
1 more element
A vehicle roof assembly, comprising:
- a vehicle roof defining a roof opening;
- a moveable roof portion disposed to be selectively position within the roof opening and in a position so as to expose the roof opening;
- and
- a sunroof wind deflector including a leading edge, a trailing edge, and an outer surface extending between the leading edge and the trailing edge, the outer surface having a radius of curvature that changes along a length thereof so as to attenuate shear layer spreading and including at least one protrusion, the at least one protrusion being arcuate and configured to cause a laminar separation bubble so as to increase a freestream at a top of the at least one protrusion, and at least a portion of the leading edge being disposed above the vehicle roof while in a non-retracted position.
1 more element
Dependencies are inferred from the claim text.