Nuclear propulsion reactor
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United States of America Patent
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-
Feb 22, 1994
Grant Date -
N/A
app pub date -
Jun 8, 1992
filing date -
Jun 8, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A nuclear propulsion reactor. A reactor vessel is provided with an annular first core and a cylindrical second core that is radially encompassed by the first core. Nuclear fuel elements in the first core provide first stage heating of propellant as they direct the propellant axially through the first core. The second core, which contains fissionable material in a highly refractory form, is in fluid communication with the first core for receiving the heated propellant. Fission reactions in the second core driven by leakage neutrons from the first core provide second stage heating of the propellant as it passes therethrough. The second core directs the coolant to a propellant nozzle for providing propulsive thrust.
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