Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 14, 2011
Patent Application Number
11536963
Date Filed
September 29, 2006
Patent Primary Examiner
Patent abstract
A rotor blade for a wind turbine is provided, the rotor blade comprising an acoustically porous surface layer at least partially covering at least one surface of the rotor blade, at least one reactive acoustic element located below said acoustically porous surface layer, and a resistive acoustic layer located between said acoustically porous surface layer and said at least one reactive acoustic element.
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