Power plants – Reaction motor – Including heat exchange means
Patent
1994-05-25
1996-01-09
Casaregola, Louis J.
Power plants
Reaction motor
Including heat exchange means
60271, 23726515, F02K 106, F02K 987
Patent
active
054818702
ABSTRACT:
In a rocket engine nozzle with a selectively smaller outlet cross-section, the nozzle comprising a converging portion which receives the gases produced in a combustion chamber, a nozzle throat of small cross-section and a diverging part connected to the nozzle throat and terminating at its downstream portion in a gas jet outlet cross-section defining a high cross-section ratio, a releasable annular obstacle is connected to the downstream end of the diverging part so as to define at the outlet of the diverging part a zone of selectively smaller cross-section which ensures stability of the separation of the flow of hot gases relative to the wall of the diverging part during a first phase of flight.
REFERENCES:
patent: 2880576 (1959-04-01), Kappus
patent: 3224681 (1965-12-01), Fiser et al.
patent: 3237402 (1966-03-01), Steverding
patent: 3925982 (1975-12-01), Mueller
patent: 4434614 (1984-03-01), Gill et al.
"Confined Jet Thrust Vector Control Nozzle Studies", J. H. Friddell, et al., 4549 Journal of Propulsion and Power 8(1992) Nov./Dec., No. 6, Washington, D.C. U.S. pp. 1239-1244.
Beaurain Andre
Desclos Pierre
Pacou Claude
Tiret Etienne
Vuillamy Didier
Casaregola Louis J.
Societe Europeenne de Propulsion
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