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METHOD AND APPARATUS TO PRODUCE HIGH SPECIFIC IMPULSE AND MODERATE THRUST FROM A FUSION-POWERED ROCKET ENGINE

United States Patent Application

20150098543
A1
View the Complete Application at the US Patent & Trademark Office
A system and method for producing and controlling high thrust and desirable specific impulse from a continuous fusion reaction is disclosed. The resultant relatively small rocket engine will have lower cost to develop, test, and operate that the prior art, allowing spacecraft missions throughout the planetary system and beyond. The rocket engine method and system includes a reactor chamber and a heating system produce fusion reactions the stable plasma. Magnets produce a magnetic field that confines the stable plasma. A fuel injection system and a propellant injection system are included. Cold propellant into a gas box for converting a cold propellant into a warm propellant plasma at one end of the reactor chamber. The propellant and fusion products are directed out of the reactor chamber through a magnetic nozzle and are detached from the magnetic field lines producing thrust.
Cohen, Samuel A. (Princeton, NJ), Pajer, Gary A. (Yardley, PA), Paluszek, Michael A. (Princeton, NJ), Razin, Yosef S. (Princeton, NJ)
14/ 400,204
May 10, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under Grant #DE-AC02-09CH11466 awarded by the Department of Energy. The government has certain rights in this invention.