The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2017
Filed:
Mar. 04, 2014
Applicant:
Siemens Energy, Inc., Orlando, FL (US);
Inventors:
Ryan A. Sievers, Lyons, CO (US);
Justin L. Mullings, Golden, CO (US);
Assignee:
SIEMENS ENERGY, INC., Orlando, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/04 (2006.01); F03D 1/06 (2006.01); F02C 7/045 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0675 (2013.01); F02C 7/045 (2013.01); F05B 2260/964 (2013.01); Y02E 10/721 (2013.01);
Abstract
A wind turbine blade () damped by viscoelastic material (A-F) sandwiched between stiffer load-bearing sublayers (A,B,A,B) in portions of the blade effective to damp oscillations () of the blade. The viscoelastic material may be located in one or more of: a forward portion (A) of the shell, an aft portion (D) of the shell, pressure and suction side end caps (B) of an internal spar, internal webbing walls (C,E), and a trailing edge core (F).