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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
A vertical axis wind turbine airfoil is described. The wind turbine airfoil can include a leading edge, a trailing edge, an upper curved surface, a lower curved surface, and a centerline running between the upper surface and the lower surface and from the leading edge to the trailing edge. The airfoil can be configured so that the distance between the centerline and the upper surface is the same as the distance between the centerline and the lower surface at all points along the length of the airfoil. A plurality of such airfoils can be included in a vertical axis wind turbine. These airfoils can be vertically disposed and can rotate about a vertical axis.
Krivcov, Vladimir (Miass, RU), Krivospitski, Vladimir (Miass, RU), Maksimov, Vasili (Miass, RU), Halstead, Richard (Rohnert Park, CA), Grahov, Jurij Vasiljevich (Miass, RU)
13/ 712,834
December 12, 2012
STATEMENT REGARDING FEDERALLY SPONSORED R&D [0002] This invention was made with government support under USIC CRADA BG 02-182(00) and under Contract No. DE-AC02-05CH11231 awarded by the U.S. Department of Energy. The government has certain rights in the invention.