Aerospatiale Societe Nationale Industrielle

Mbda France

Vadim Levine

Marc Bouchez

Alain Chevalier

Valery Avrachkov

Fran&ccedil;ois Falempin

Dimitri Davidenko

Dmitri Davidenko

According to the invention, the wall ( ) is mounted movably as one so as to be able to slide longitudinally in translation, bringing the joint line ( ) closer to the fuel injector ( ) so as progressively to modify the geometries of the oxidant inlet ( ) and of the combustion chamber ( ), said geometries passing progressively from a first state (I) in which, for a Mach number lying between 1.5 and 3, said oxidant inlet ( ) constricts said oxidant flow only slightly and the combustion chamber ( ) is long and divergent, to a second state (III) in which, for a Mach number lying between 8 and 12, said oxidant inlet ( ) strongly constricts said oxidant flow and said combustion chamber ( ) is shorter and exhibits a constant cross section.

Ramjet for a supersonic and hypersonic aircraft

The present invention relates to an aircraft ram jet engine for supersonic and/or hypersonic flight, intended to operate over a wide range of speeds. According to the invention, the ram jet engine comprises a ram jet engine body (5) including a combustion cheer portion (6) and a jet pipe portion (7), and, in the vicinity of the transition region (8) between the combustion chamber (6) and the jet pipe (7), having a changing geometry passing progressively from a convergent then divergent longitudinal section, for speeds corresponding to a low Mach number, to an at least substantially constant then divergent longitudinal section for speeds corresponding to a high Mach number.

Aircraft ram jet engine for supersonic and/or hypersonic flight

An aircraft ram jet engine for supersonic and/or hypersonic flight, intended to operate over a wide range of speeds, of the type including: (a) an oxidant inlet; (b) at least one fuel injector; (c) a body in which the oxidant and fuel intended to be burned are mixed and the gases resulting from this combustion are channeled; and (d) at least one wall of the body consisting, at least partially, of plates (12) linked together by articulations. The ram jet engine comprises first fluid blowing means (19, 22), mounted in the region of the articulations (13), in order to cool them.

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Moscou, Russia

Vadim Levine