US Patent Issued to China University of Petroleum-Beijing on Oct. 21 for "Switchable two-stage coalescence separation system" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,432, issued on Oct. 21, was assigned to China University of Petroleum-Beijing (Beijing).

"Switchable two-stage coalescence separation system" was invented by Cheng Chang (Beijing), Zhongli Ji (Beijing), Xiaolin Wu (Beijing), Zhen Liu (Beijing) and Feng Chen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switchable two-stage coalescence separation system, including a coalescer housing, a plurality of two-stage filter elements, and a particle detector. A lower portion and an upper portion of each of the two-stage filter elements are located in a lower chamber and an upper chamber of the coalescer housing, respectively. Two gas inlet branch ...