Power plants – Reaction motor – Liquid oxidizer
Patent
1998-08-26
2000-04-11
Freay, Charles G.
Power plants
Reaction motor
Liquid oxidizer
F02K 950
Patent
active
060475412
ABSTRACT:
A HAN TEAN mixing gas generator pressurization system is proposed for use on pressure-fed rockets. HAN (hydroxyl ammonium nitrate) and TEAN (triethanol ammonium nitrate) are salts dissolved in water to form a single liquid propellant. Combustion of HAN TEAN results in water, carbon dioxide, and nitrogen at high temperatures and pressures. A cryogenic primary working fluid is mixed the HAN TEAN exhaust products to provide warm high-pressure gas to pressurize the rocket's main propellant tanks.
REFERENCES:
patent: 2935846 (1960-05-01), Neale et al.
patent: 4385489 (1983-05-01), Abbott
patent: 4946521 (1990-08-01), Walker
patent: 5014623 (1991-05-01), Walker
patent: 5060973 (1991-10-01), Giovanetti
patent: 5607181 (1997-03-01), Richardson
patent: 5608179 (1997-03-01), Voecks
patent: 5799902 (1998-09-01), Keith et al.
Microcosm Inc. patent application about to issue mentioning the HAN TEAN concept; this is the present inventor's contribution and Microcosm will acknowledge it. 08/900,923 filed Jul. 7, 1997 now 5,799,902.
Callahan Kenneth E.
Freay Charles G.
Gartenberg Ehud
The United States of America as represented by the Secretary of
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