ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,531, issued on June 2, was assigned to ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS Co. LTD. (Hangzhou, China).
"Valve device and electric valve" was invented by Ying Shi (Hangzhou, China), Rongjun Zhang (Hangzhou, China) and Yiyuan Pan (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a valve device and an electric valve. A valve seat component comprises a valve seat sleeve and a flange portion, wherein an opening portion at the lower end of a sleeve is welded and fixed to the valve seat sleeve. The valve device further comprises a mounting block. The valve device is mounted on another component by means of the mounting block. Th...