ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,680, issued on Aug. 26, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Active and passive heat flux control systems for two-phase immersive cooling for high power density electric vehicle components" was invented by Jian Yao (Shanghai), Chengwu Duan (Shanghai), Ming Liu (Shanghai), Chih-hung Yen (Bloomfield Hills, Mich.) and Anil K. Sachdev (Rochester Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling system includes a housing configured to enclose an electric vehicle component immersed in cooling fluid and to define a first volume. A variable volume member defines a second volume that varies in response to a firs...