ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,917, issued on May 13, was assigned to ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS Co. LTD. (Zhejiang, China).
"Control valve" was invented by Lixin Wang (Zhejiang, China), Long Lin (Zhejiang, China) and Yun Wang (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control valve is provided, which comprises a valve body, a valve core, a sealing component and a balance sealing block. The control valve comprises at least five channels. A side wall part is provided with at least five communication ports. The communication ports are in communication with a valve cavity. A sealing body part of the sealing component is positioned between the valve ...