US Patent Issued to Zenkung Heavy Industry (Jiangsu) on Feb. 17 for "Fatigue-resistant load-bearing steel for wind turbine main shaft, and manufacturing method and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,098, issued on Feb. 17, was assigned to Zenkung Heavy Industry (Jiangsu) Co. Ltd. (Wuxi, China).

"Fatigue-resistant load-bearing steel for wind turbine main shaft, and manufacturing method and use thereof" was invented by Zhijie Zhao (Wuxi, China), Liang Xu (Wuxi, China), Zhen Yuan (Wuxi, China) and Jia Ju (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fatigue-resistant load-bearing steel for a wind turbine main shaft, and a manufacturing method and a use thereof are provided. The manufacturing method includes: step S1, smelting: smelting a raw steel into a molten iron, followed by impurity removal and deoxidation, and adjusting conte...