Variable-cycle storable reactants engine

Details Variable-cycle storable reactants engine Variable-cycle storable reactants engine

1992-09-04

1993-07-06

Bertsch, Richard A.

Power plants

Reaction motor

Motive fluid from diverse generators alternatively ejected...

60257, 602701, F02K 928

Patent

active

052243443

ABSTRACT:
A variable-cycle storable fuels engine having three cycles is provided. The engine operates as an air-augmented rocket from launch to approximately Mach 3. From approximately Mach 3 to Mach 8, the engine operates as a dual mode ramjet/scramjet to altitudes exceeding 100,000 feet. Thereafter, the engine operates as a conventional pure rocket for final sub-orbital boost. A fixed geometry air inlet provides improved ram recovery at altitudes below 100,000 feet.

REFERENCES:
patent: 2686473 (1954-08-01), Vogel
patent: 2735263 (1956-02-01), Charshafian
patent: 2861420 (1958-11-01), Lewis
patent: 2948112 (1960-08-01), Smith
patent: 3038408 (1962-06-01), Kluge
patent: 3049883 (1962-08-01), Sloan
patent: 4342193 (1982-08-01), Thatcher
patent: 4562699 (1986-01-01), Rowe et al.
"A Concentric Tank Rocket." Astronautics (Oct., 1933): pp. 2-3.
Keirsey, James L., Airbreathing Propulsion for Defense of the Surface Fle John Hopkins APL Tech Digest, vol. 13, No. 1 (1992) pp. 57-68.

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