ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,202, issued on March 18, was assigned to CENTER FOR ADVANCED META-MATERIALS (Daejeon, South Korea).
"Fluid silencer" was invented by Jong Jin Park (Sejong-si, South Korea), Jun Hyuk Kwak (Sejong-si, South Korea), Hak Joo Lee (Daejeon, South Korea), Tae In Choi (Daejeon, South Korea) and Min Seok Jung (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid silencer includes: an expansion pipe disposed on a pipe through which a fluid containing noise sources flows and having an accommodation space therein; a viscous fluid received in the accommodation space; a noise introducing member disposed between the pipe and the expansion p...