US Patent Issued to MITSUBISHI HEAVY INDUSTRIES on May 6 for "Blade ring assembly, gas turbine, and method for refurbishing gas turbine" (Japanese Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,981, issued on May 6, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Blade ring assembly, gas turbine, and method for refurbishing gas turbine" was invented by Hiroaki Kobayashi (Tokyo), Norihiko Nagai (Tokyo), Kazuharu Hirokawa (Tokyo), Shinya Hashimoto (Tokyo), Naoki Taketa (Tokyo), Takeshi Umehara (Tokyo), Koji Watanabe (Tokyo), Yoshio Fukui (Tokyo) and Kenta Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade ring assembly including: a turbine blade ring extending in a circumferential direction about an axis; a component to be cooled, disposed on an inner circumferential side of the turbine blade ring; and an outer...