US Patent Issued to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT on Nov. 25 for "Electronic expansion valve" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,582, issued on Nov. 25, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Zhejiang, China).

"Electronic expansion valve" was invented by Yuchen He (Zhejiang, China), Yonghao Chen (Zhejiang, China), Shaojun Zhan (Zhejiang, China), Kepeng Zhang (Zhejiang, China), Jinqiang Lou (Zhejiang, China), Jun Zhao (Zhejiang, China) and Leqiang Liu (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an electronic expansion valve. The electronic expansion valve includes a valve seat provided with a valve cavity and a valve port, wherein the valve port is arranged at an end portion of the valve cavity; a guide sleeve fixedly a...