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Device for reducing vehicle aerodynamic resistance

United States Patent

February 15, 2005
View the Complete Patent at the US Patent & Trademark Office
A device for a vehicle with a pair of swinging rear doors, which converts flat sheets of pliable material hinged to the sides of the vehicle adjacent the rear thereof into effective curved airfoils that reduce the aerodynamic resistance of the vehicle, when the doors are closed by hand, utilizing a plurality of stiffeners disposed generally parallel to the doors and affixed to the sheets and a plurality of collapsible tension bearings struts attached to each stiffener and the adjacent door.
Graham; Sean C. (Seattle, WA)
Freight Wing Inc. (Sammamish, WA)
10/ 698,998
November 3, 2003
This invention was made with Government support under Contract No. DE-FC36-03G013173 awarded by the Department of Energy. The Government has certain rights in this invention.