ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,828, issued on Dec. 2, was assigned to Nabtesco Corp. (Tokyo).
"Braking force measuring method" was invented by Osamu Nohara (Tokyo) and Hirofumi Komori (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A braking force measuring method for a wind turbine is provided. The wind turbine includes a ring gear, a yaw drive device driving a pinion meshing with the ring gear to make the wind turbine turn, and a brake device that prevents the nacelle from turning in the yaw direction by pressing a friction body against the ring gear. The method includes: braking the ring gear by the brake device; measuring a load on a rotating shaft of the pinion that mes...