ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,920, issued on Sept. 23, was assigned to VENUS AEROSPACE CORP (Houston).
"Multi-mode rocket-based combined cycle" was invented by Ben Saletta (Houston) and Andrew Thomas Duggleby (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air breathing engine system has an engine inlet configured to receive a flow of air. A combustor is in fluid communication with the engine inlet. A rocket ejector is positioned between the engine inlet and combustor. The rocket ejector is connected to the combustor with a mixing tube. The rocket ejector adjustably outputs high-temperature gas into air in the mixing tube. The high-temperature gas changes a pressure ...