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US 2023/0349358 A1Published application
Vertical axis wind turbine
Ownerlgnacio JUAREZinventor
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Abstract
The present device is a vertically oriented wind turbine blade having a rectangular simple curvilinear shaped blade, which includes a top edge, a bottom edge, an outer edge, an inner edge, an inner surface and an outer surface. The blade is formed using extrusion to approximate a uncompleted airfoil shape from the inner edge to the outer edge (relative to the turbine center or hub). The angle of attack, the solidity and the arms angle are designed to improve performance at low wind speeds.
Claims30
A blade for use as in a wind turbine comprising:
- a cross-sectional shape comprising a portion of an airfoil, the airfoil having an upper surface that extends past the lower surface, creating a gap between the upper and lower surfaces,
- wherein the blade comprises a leading edge comprising a curved portion of the blade positioned away from an end of the upper and lower surface, and a trailing edge comprising an inner portion of an end of the upper surface.
Dependencies are inferred from the claim text.