HYPERSONIC RAMJET ENGINE Russian patent published in 1998 - IPC

FIELD: aircraft; combination engine units. SUBSTANCE: hypersonic ramjet engine is two-circuit device consisting of inner subsonic and outer hypersonic circuits. Flow section of hypersonic circuit is formed by housings of subsonic and hypersonic circuits. Subsonic circuit consists of diffuser with subsonic velocity at outlet, fuel and water supply manifolds and reactor in which hydrocarbon fuel is subjected to reaction of conversion with water with liberation of products of reaction with high content of free hydrogen. Reaction products are delivered to hypersonic circuit. EFFECT: reduced operating expenses, enlarged fuel material base for hypersonic aircraft owing to effective use of hydrocarbon fuel during engine operating cycle. 2 dwg