ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,207, issued on March 4, was assigned to NISSAN MOTOR Co. LTD. (Yokohama, Japan).
"Rotating electrical machine" was invented by Yuki Tsukagoshi (Kanagawa, Japan) and Yasuyuki Kubota (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating electrical machine includes a cylindrical housing having a flow path configured to allow a refrigerant to flow therethrough, an inlet configured to allow the refrigerant to flow into the flow path, and an outlet configured to allow the refrigerant to flow out of the flow path. The flow path being formed so as to spirally surround a circumferential surface of the housing. The flow path includes: a f...