US Patent Issued to ZENKUNG HEAVY INDUSTRY (JIANGSU) on Aug. 25 for "Hollow wind turbine main shaft and profiling forging process and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,108, issued on Aug. 25, was assigned to ZENKUNG HEAVY INDUSTRY (JIANGSU) Co. LTD. (Wuxi, China).

"Hollow wind turbine main shaft and profiling forging process and use thereof" was invented by Zhijie Zhao (Wuxi, China), Liang Xu (Wuxi, China), Zhenwei Yan (Wuxi, China) and Zhen Yuan (Wuxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hollow wind turbine main shaft and a profiling forging process and a use thereof are provided. The profiling forging process includes: step S1: smelting alloying elements according to a formula to obtain a melt, casting the melt to obtain an ingot, and hot-feeding the ingot; step S2: reheating the ingot hot-fed...