ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,675, issued on Jan. 28, was assigned to Ford Global Technologies LLC (Dearborn, Mich.).
"Pressure relief valve for battery pack and battery pack" was invented by Fei Gao (Hefei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure relief valve includes a valve body; a valve cover matched with the valve body; a flexible element positioned between the valve body and the valve cover and having a through hole; and a breathable film covering the through hole. The flexible element has a compression portion at least partially surrounding the through hole and configured to be deformable to make the flexible element displace relative to the valve ...