Integral rocket and ramjet engine

Details Integral rocket and ramjet engine Integral rocket and ramjet engine

1985-09-26

1987-03-24

Casaregola, Louis J.

Power plants

Reaction motor

Motive fluid from diverse generators alternatively ejected...

602701, F02K 300, F02K 700, F02K 900

Patent

active

046515232

ABSTRACT:
An integral rocket and ramjet engine (16) comprises, in flow series, an intake duct (18) for aerodynamically compressing air, a port cover (30), a combustion chamber (20) and a propelling nozzle (22). The port cover (30) in a first position prevents air from entering the combustion chamber (20) and enables a rocket charge (24) to be burnt in the combustion chamber (20) thereby accelerating the engine to sufficient velocity for ramjet operation. The port cover (30) is movable axially to a second position when the rocket charge (24) is spent to allow compressed air into the combustion chamber (20) and the engine (16) to operate as a ramjet. In the second position the port cover (30) provides a quiet zone (52) which is substantially shielded from the main flow of air into the combustion chamber. Combustion equipment such as primary and main fuel manifolds (42,46) and flame gutters (50) are also movable with the port cover (30).

REFERENCES:
patent: 2684570 (1954-07-01), Nordfors
patent: 3724216 (1973-04-01), Smith, Jr.
patent: 4000613 (1977-01-01), Fukomoto et al.
patent: 4031698 (1977-06-01), Humphrey et al.
patent: 4050243 (1977-09-01), Holzman et al.
patent: 4391094 (1983-07-01), Engel et al.

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