US Patent Issued to BITZER REFRIGERATION TECHNOLOGY (CHINA) on Dec. 30 for "Check valve and scroll compressor" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,078, issued on Dec. 30, was assigned to BITZER REFRIGERATION TECHNOLOGY (CHINA) Co. LTD. (Beijing).

"Check valve and scroll compressor" was invented by Qiang Zhang (Beijing), Zhipeng Wu (Beijing), Hongjin Yuan (Beijing), Chenhui Cui (Beijing) and Junliang Pei (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A check valve and a scroll compressor are provided. The check valve includes a valve plate, a washer, a valve stem, and a valve stopper. The valve stem is fixedly arranged between the valve plate and the valve stop, and the valve plate is provided with a valve hole for fluid to flow through. Annular outer, middle and inner stopper edges ar...