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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A wind turbine blade (60) damped by viscoelastic material (54, 54A-F) sandwiched between stiffer load-bearing sublayers (52A, 52B, 56A, 56B) in portions of the blade effective to damp oscillations (38) of the blade The viscoelastic material may be located in one or more of a forward portion (54A) of the shell, an aft portion (54D) of the shell, pressure and suction side end caps (54B) of an internal spar, internal webbing walls (54C, 54E), and a trailing edge core (54F).
Sievers, Ryan A. (Lyons, CO), Mullings, Justin L. (Golden, CO)
Siemens Energy, Inc. (Orlando FL)
14/ 195,935
March 4, 2014
STATEMENT REGARDING FEDERALLY SPONSORED DEVELOPMENT [0001] Development for this invention was supported in part by Contract No DE-EE0005493 awarded by the United States Department of Energy Accordingly, the United States Government may have certain rights in this invention