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:
Apr. 14, 2025
Filed:
May. 02, 2022
Applicant:
Lm Wind Power A/s, Kolding, DK;
Inventors:
Andreas Herrig, Salzbergen, DE;
Trevor Howard Wood, Schenectady, NY (US);
Guannan Wang, Salzbergen, DE;
Assignee:
LM WINDPOWER A/S, Kolding, DK;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2005.12);
U.S. Cl.
CPC ...
F03D 1/06495 (2023.07); F03D 1/0675 (2012.12); F05B 2240/3042 (2020.07); F05B 2260/96 (2012.12);
Abstract
A wind turbine blade () comprising a pressure side () and a suction side (), a leading edge () and a trailing edge (). At least a portion of the blade () located in a trailing edge region () at or adjacent to the trailing edge () is a noise reducing portion defining an exposed surface and comprising a plurality of sound reducing or sound absorbing acoustic resonators (), each of the resonators () comprising an opening () in the exposed surface and a cavity () having a length L between the opening () and a bottom () of the cavity opposite the opening ().