US Patent Issued to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT on July 28 for "Electronic expansion valve" (Chinese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,944, issued on July 28, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).

"Electronic expansion valve" was invented by Zhijun Kang (Shaoxing, China) and Fangying Zhu (Shaoxing, 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 housing, wherein the valve housing is provided with an accommodating cavity and a valve port, and the accommodating cavity is in communication with the valve port; a valve needle, wherein the valve needle is provided with a first end and a second end, the second end of the valve needle blocks or opens...