Curved cross-section wind turbine tower and wind turbine comprising said tower
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Dec 20, 2016
filing date -
Dec 22, 2015
priority date (Note) -
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Abstract
A wind turbine tower wall having an orifice for accessing the interior of the tower, and an outer surface defined by generatrices; and a reinforcement frame joined to the tower in the orifice zone, and comprising least two parts joined one to each other. Each part has a mid-plane that is parallel to at least one generatrix, the mid-planes of at least one pair of adjacent parts forming an angle other than 180° therebetween. It enables the obtention of a frame more conformed to the curvature of the tower, combining savings in the material of said frame, greater optimization of the resistance of the tower and reduced stress concentration.
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