ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,254, issued on April 15.
"Mass balancing of wind turbines" was invented by Steffen Bunge (Pinawa, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for balancing a wind turbine where a plurality of blades are mounted on a rotor hub an annular blade bearing which allows the blade to pivot, in response to a detection of an imbalance caused by unbalanced loads applied by the blades weight is added to one or more of the blades to counter the imbalance. The weight is added by mounting a weight body to the blade at the blade bearing. The weight body comprises a plurality of individual arcuate weight elements in a stack attached to the outer...