Alexandria, Nov. 26 -- Siemens Gamesa Renewable Energy has been granted a patent for test arrangement and method for fatigue testing a wind turbine blade. Christiansen Soeren developed the invention.
The patent application number is US202117144873 20210108. The patent publication number is US11506637 (B2). International Patent Classification codes are G01N29/12 and G01N29/22. Cooperative Patent Classification codes are G01M13/00 (CN), G01M5/0058 (EP), G01M5/0066 (EP), G01M7/00 (EP), G01M7/02 (CN), G01N29/12 (US), G01N29/223 (US), G01N3/02 (CN), G01N3/36 (CN), G01N2203/0005 (CN), G01N2203/0048 (CN), G01N2203/0073 (CN), Y02B10/30 (EP) and Y02E10/72 (EP).
The abstract released by U.S. Patent and Trademark Office states, "A test arrangement for fatigue testing a wind turbine blade, including a floor-mounted test rig having a fixing device for fixing the wind turbine blade to the test rig and an excitation assembly for exciting the wind turbine blade at a test frequency, wherein the test rig includes a liquid tank having a chamber containing a predefined liquid, wherein the liquid in the liquid tank has a resonance frequency depending on the amount of liquid in the liquid tank and the chamber geometry is provided."