US Patent Issued to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT on July 21 for "Rotary control valve and control method of rotary control valve" (Chinese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,241, issued on July 21, was assigned to ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT Co. LTD. (Shaoxing, China).

"Rotary control valve and control method of rotary control valve" was invented by Yuanhang Yu (Shaoxing, China) and Zhijun Kang (Shaoxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary control valve is provided. The valve includes: a valve body having a valve cavity and a first end and a second end disposed oppositely; a valve core assembly rotatably disposed in the valve cavity; a driving mechanism disposed at the first end of the valve body, having a driving end, being in driving connection with the valve core assembly, and dri...