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Wind turbine blades, wind turbines, and wind farms having increased power output

United States Patent

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September 3, 2019
View the Complete Patent at the US Patent & Trademark Office
A wind turbine blade having a geometry that decreases the distance downstream at which freestream momentum is recovered is disclosed. The blade design increases the loading on the inboard portion of the blade and unloads the tip portion relative to a conventional blade designed to maximize power coefficient. A wind farm having a reduced inter-turbine distance and including one or more wind turbines having the new blade designs is also disclosed.
December 22, 2015
F03D 1/06 (20060101); F03D 9/00 (20160101);
STATEMENT CONCERNING FEDERALLY SPONSORED RESEARCH This invention was developed under Contract DE-AC04-94AL85000 between Sandia Corporation and the United States Department of Energy.