US Patent Issued to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT on May 12 for "Electronic expansion valve" (Chinese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,871, issued on May 12, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).

"Electronic expansion valve" was invented by Yuchen He (Shaoxing, China), Guanjun Xu (Shaoxing, China), Yonghao Chen (Shaoxing, China) and Hongfeng Huang (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic expansion valve, including a valve body, the valve body having an accommodating cavity and a valve port, and the accommodating cavity being in communication with the valve port; a rotor arranged in the accommodating cavity; a stator assembly; a screw rod assembly arranged in the accommodating cavity, the screw rod assem...