ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,228, issued on Nov. 3, was assigned to IHI Corp. (Tokyo).
"Traveling-wave excitation device and traveling-wave excitation method" was invented by Shigekazu Ebata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A traveling-wave excitation method includes, when exciting blades of a rotor blade by using excitation sources having a one-to-one correspondence with the blades with phases corresponding to excitation signals inputted respectively to the excitation sources, upon a number of nodal diameters of a vibration to be generated in the rotor blade by excitation of the blades being an even number, causing a same excitation signal to be inputted re...