ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,730, issued on Oct. 6, was assigned to PD AeroSpace LTD. (Aichi, Japan).
"Combustion mode switching engine" was invented by Shuji Ogawa (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating detonation engine comprising: an outer cylinder that extends in an axial direction; a base that is connected to the outer cylinder, and comprises a plurality of fuel injection ports positioned in a circular ring shape and injecting a fuel, and a plurality of oxidizing agent injection ports positioned in a circular ring shape and injecting an oxidizing agent; an inner cylinder that is positioned in the outer cylinder, and is positioned in the axia...