ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,430, issued on June 3, was assigned to ZHEJIANG SANHUA COMMERCIAL REFRIGERATION CONTROLS Co. LTD. (Shaoxing, China).
"Electric valve" was invented by Ming Lv (Zhejiang, China) and Baijiang Qian (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric valve includes a valve seat component, and a valve core component. The valve seat component includes a valve seat and a sealing ring. The valve core component includes a valve core. The valve core includes a lower section, and the lower section is annular. The valve seat component further includes an inner bushing and a pressure block. The valve seat includes an axial through hole, and...