ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,594, issued on April 22, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).
"Turbine blade and gas turbine" was invented by Taku Hirayama (Tokyo) and Ryuta Ito (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine blade includes a blade body, cooling passages extending in the blade height direction inside the blade body and connected to each other via folded portions, and a bypass portion that is provided in a partition wall portion partitioning a pair of adjacent cooling passages and that allows the pair of cooling passages to communicate with each other. The pair of cooling passages includes an upstream passage and a downstream pas...