US Patent Issued to BEIJING JIAOTONG UNIVERSITY, TSINGHUA UNIVERSITY on April 29 for "Self-cooling device sealed with magnetic liquid" (Chinese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,035, issued on April 29, was assigned to BEIJING JIAOTONG UNIVERSITY (Beijing) and TSINGHUA UNIVERSITY (Beijing).

"Self-cooling device sealed with magnetic liquid" was invented by Decai Li (Beijing), Zhibin Wang (Beijing), Xinzhi He (Beijing) and Zulong Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a self-cooling device sealed with a magnetic liquid, related to the field of mechanical engineering sealing technology. The device includes: a tank body, a pole-tooth, a rotary shaft, a magnetic liquid, a first gasket ring, a second gasket ring, a first pole-shoe, a permanent magnet, a third gasket ring, a second pole-shoe, a fou...