Rocket-ramjet engine casing port closure

Details Rocket-ramjet engine casing port closure Rocket-ramjet engine casing port closure

1996-11-08

1998-07-28

Casaregola, Louis J.

Power plants

Reaction motor

Method of operation

60245, 137 151, F02K 718

Patent

active

057848777

ABSTRACT:
The present invention discloses a composite material closure as a port cover for a rocket-ramjet engine and a method of transitioning between rocket booster operation and ramjet operation. The composite material closure is made to be coextensive with an insulating lining of the casing of the rocket-ramjet engine. Pyrotechnic charge devices are associated with the composite material closure and ignited to cut there-through and form an opening in the closure for air flow during ramjet operation.

REFERENCES:
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patent: 4050243 (1977-09-01), Holzman et al.
patent: 4063415 (1977-12-01), Rhoades
patent: 4391094 (1983-07-01), Engel et al.
patent: 4441312 (1984-04-01), Smith
patent: 4450679 (1984-05-01), Hahnel
patent: 4651523 (1987-03-01), Adams
patent: 4841724 (1989-06-01), Hall et al.
patent: 5347807 (1994-09-01), Brossier et al.

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