Variable geometry ramjet for aircraft

Details Variable geometry ramjet for aircraft Variable geometry ramjet for aircraft

1997-02-28

1999-04-20

Casaregola, Louis J.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60262, F02K 710

Patent

active

058947221

ABSTRACT:
A ramjet for supersonic and/or hypersonic aircraft, designed to operate over a wide range of speeds, includes an inlet for a combustion supporting gas; a fuel injection device; and a ramjet body. The ramjet body has a combustion chamber in which the combustion supporting gas is mixed with a fuel to be burned and an exhaust nozzle to channel gases leaving the combustion chamber and which has, at least in a transition area between the combustion chamber and the exhaust nozzle, a variable geometry enabling its longitudinal section to be progressively modified. The ramjet body has at least one controllable opening adapted to establish communication between the combustion chamber and the exterior to enable the introduction of an exterior air stream into the transition area.

REFERENCES:
patent: 3143852 (1964-08-01), Alderson
patent: 3279194 (1966-10-01), Chapman
patent: 3432100 (1969-03-01), Hardy et al.
patent: 5054288 (1991-10-01), Salemann

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