US Patent Issued to ZHEJIAN DUNAN ARTIFICIAL ENVIRONMENT on July 14 for "Electronic expansion valve" (Chinese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,740, issued on July 14, was assigned to ZHEJIAN DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).

"Electronic expansion valve" was invented by Ju Jin (Shaoxing, China), Haijian Sha (Shaoxing, China) and Fugang Wang (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic expansion valve, including: a valve seat, wherein the valve seat is provided with a first mounting channel extending in an axial direction, and a valve port is provided in the first mounting channel; a valve needle, which is movably mounted in the first mounting channel to block or avoid of the valve port, wherein a mounting gap is provided between a wall...