Aircraft ram jet engine for supersonic and/or hypersonic flight

Details Aircraft ram jet engine for supersonic and/or hypersonic flight Aircraft ram jet engine for supersonic and/or hypersonic flight

1996-06-27

1998-03-17

Freay, Charles G.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60271, 23926519, 244 74, F02K 710, F02K 708

Patent

active

057273820

ABSTRACT:
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.

REFERENCES:
patent: 3279194 (1966-10-01), Chapman
patent: 5072581 (1991-12-01), Harshman
patent: 5226455 (1993-07-01), duPont

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