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SYSTEM AND METHOD FOR SMALL, CLEAN, STEADY-STATE FUSION REACTORS

United States Patent Application

20180047461
A1
View the Complete Application at the US Patent & Trademark Office
According to some embodiments, a system for widening and densifying a scrape-off layer (SOL) in a field reversed configuration (FRC) fusion reactor is disclosed. The system includes a gas box at one end of the reactor including a gas inlet system and walls of suitable heat bearing materials. The system further includes an exit orifice adjoining the gas box, wherein the exit orifice has a controllable radius and length to allow plasma to flow out from the gas box to populate the SOL with the plasma. The system may also include fusion products, which decrease in speed in the plasma in the SOL, allowing energy to be extracted and converted into thrust or electrical power and further allowing ash to be extracted to reduce neutron emissions and maintain high, steady-state fusion power.
COHEN, SAMUEL A. (Princeton, NJ), CHU-CHUEONG, MATTHEW (Austin, TX)
THE TRUSTEES OF PRINCETON UNIVERSITY (Princeton NJ)
15/ 552,665
February 24, 2016
GOVERNMENT RIGHTS IN THIS INVENTION [0002] This invention was made with government support under Grants No. DE-AC02-09CH11466 awarded by the Department of Energy. The government has certain rights in the invention.