ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,450, issued on March 17, was assigned to NISSAN MOTOR Co. LTD. (Yokohama, Japan).
"Rotary electrical machine" was invented by Takenari Okuyama (Kanagawa, Japan) and Tomoki Takeuchi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary electrical machine in which a rotor and a stator are housed in a housing and a coil of the stator is cooled using gas. The stator includes an annular coil end protruding from an end portion of the stator in an axial direction thereof. The housing includes an introduction port configured to allow gas for cooling the rotary electrical machine to be introduced from an outside of the housing toward the ...