US Patent Issued to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT on Aug. 18 for "Valve needle and electronic expansion valve having valve needle" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,098, issued on Aug. 18, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).

"Valve needle and electronic expansion valve having valve needle" was invented by Yuchen He (Shaoxing, China), Yonghao Chen (Shaoxing, China) and Guanjun Xu (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a valve needle and an electronic expansion valve having the valve needle. The valve needle is provided with a connecting end and a blocking end that are arranged opposite to each other; the blocking end includes a blocking segment, a first opening segment, and a second opening segment that are sequentially connecte...