ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,409, issued on Nov. 25, was assigned to AECC Shanghai Commercial Aircraft Engine Manufacturing Co. Ltd. (Shanghai) and AECC Commercial Aircraft Engine Co. Ltd. (Shanghai).
"Blade platform, blade ring, impeller disk and gas turbine engine" was invented by Zhiqing Wu (Shanghai), Xiaofeng Lu (Shanghai), Dongqing Yan (Shanghai), Ben Jiang (Shanghai), Jibao Li (Shanghai), Zeyong Yin (Shanghai) and Hao Liu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blade platform, comprising a pair of side edges and a pair of bottom edges, wherein the side edge comprises a linear portion and a curved portion, wherein the linear portion comprises a first li...