ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,751, issued on April 7.
"Jet-propelled engine using discharged exhaust gas" was invented by Jae-Chang Lee (Hwaseong-si, South Korea), So Jung Lee (Yongin-si, South Korea) and Jung Hoon Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jet-propelled engine using discharged exhaust gas, includes: a body; a combustor installed in the body so as to spray fuel to compressed air and combust the fuel; a guide member for guiding exhaust gas, discharged from the combustor, in a predetermined direction; and a propulsive force providing means for providing propulsive force by colliding with the exhaust gas guided from the guide member, w...