Mixed mode rocket engine

Details Mixed mode rocket engine Mixed mode rocket engine

1974-05-28

1978-02-14

Croyle, Carlton R.

Power plants

Reaction motor

Motive fluid from diverse generators alternatively ejected...

60250, 60259, 60267, 60 3946P, F02K 902

Patent

active

040731383

ABSTRACT:
Four embodiments of high-thrust rocket engines, each having separate propellant delivery apparatus for each propellant to be delivered to the engine thrust chamber, are illustrated herein. One engine is designed to provide a high thrust using only one fuel and one oxidizer. The other three engine embodiments are all designed to use different propellants having different densities during different portions of a rocket flight. Each of these additional engines includes the basic structure of the first. The first engine is thus not only an effective engine, but also a building block that can be easily modified to provide an engine capable of operating effectively with different propellants.

REFERENCES:
patent: 3636712 (1972-01-01), Kaufmann
patent: 3828551 (1974-08-01), Schmidt
patent: 3910037 (1975-10-01), Salkeld
patent: 3955784 (1976-05-01), Salkeld
"Propulsion & Propellants", Army Material Command Pub. No. 706-282, U.S. Army Materiel Command, Wash. D.C., Aug. 1963; pp. 50, 51.
Salkeld, R., "Mixed-Mode Propulsion for the Space Shuttle", Astronautics & Aeronautics, Aug. 1971, pp. 52-58.
Salkeld, R., et al., "Reusable One-Stage-To-Orbit Shuttles", Astronautics & Aeronautics, June 1973, pp. 48-58.
"Space Shuttle Engines Stress Low Cost", Automotive Engineering, Oct. 1972, pp. 22-25.

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