Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1990-11-19
1992-05-05
Bentley, Stephen C.
Power plants
Combustion products used as motive fluid
Combustion products generator
102380, F02K 995
Patent
active
051096692
ABSTRACT:
This invention relates to a passive self-contained auto ignition system for a hydrogen-oxygen fueled rocket engine. When the fuel for the engine is turned on, the gas pressure in the inlet tube 1 can be used to heat a small portion of the hydrogen in a resonance tube 4 and inject hot hydrogen into the combustion chamber 11 to ignite the hydrogen-oxygen fuel mixture. Once the ignition has started, the pressure in the combustion chamber changes the pressures in the resonance cavity 3, which then shuts off the resonance tubes' heating ability and so shuts off the ignition. If the fuel supply is shut off the engine is turned off and can be restarted by turning the hydrogen-oxygen supplies back on causing the resonance tube to re-ignite the engine.
REFERENCES:
patent: 3630150 (1971-12-01), Rakowsky
patent: 3811359 (1974-05-01), Marchese
patent: 3854401 (1974-12-01), Fisher
patent: 3982488 (1976-09-01), Rakowsky et al.
patent: 3994226 (1976-11-01), Rakowsky et al.
patent: 3994232 (1976-11-01), Rakowsky et al.
patent: 4036581 (1977-07-01), Keyser et al.
patent: 4916904 (1990-04-01), Ramsaier et al.
A Resonance Igniter for Hydrogen-Oxygen Combusters, Journal of Spacecraft and Rockets, vol. 7, pp. 620-622, May 1970, by Bert Phillips, Albert Pauli and E. William Conrad.
Space Shuttle Auxiliary Propulsion (APS) Ignition System, NASA CR-72972, J. R. Lauffer, May 1971, pp. 273-301.
Analytical and Experimental Study of Resonance Ignition Tubes, Dec. 1973, L. Stabinsky, pp. 13-39, NASA-CR-136934.
Briley Gary L.
Morris Donald H.
Bentley Stephen C.
Field Harry B.
Hamann H. Fredrick
Kahm Steven E.
Rockwell International Corporation
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