skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: System and method for small, clean, steady-state fusion reactors

Patent ·
OSTI ID:1892898

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.

Research Organization:
Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-09CH11466
Assignee:
The Trustees of Princeton University (Princeton, NJ)
Patent Number(s):
11,322,265
Application Number:
17/167,187
OSTI ID:
1892898
Resource Relation:
Patent File Date: 02/04/2021
Country of Publication:
United States
Language:
English

References (17)

Helium catalysed D–D fusion in a levitated dipole journal December 2003
Renewable Energy Production Process with a Device Featuring Resonant Nano-Dust Plasma, A Cavity Resonator and an Acoustic Resonator patent-application May 2014
Impact of tritium removal and He-3 recycling on structure damage parameters in a D–D fusion system journal November 2002
Process for cleaning the exhaust gas of a fusion reactor patent October 1989
Field-Reversed Configuration Induced by a Paramagnetic Field journal February 2013
A direct fusion drive for rocket propulsion journal December 2014
Review of field-reversed configurations journal July 2011
Variable specific impulse magnetoplasma rocket engine patent January 2002
Telescoping nozzle assembly patent April 1989
Controlled fusion in a field reversed configuration and direct energy conversion patent-application January 2010
Low-radioactivity D-3He fusion fuel cycles with3He production journal January 2002
Process and apparatus for tritium recovery patent October 1992
Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel patent October 2003
Thermonuclear Inverse Magnetic Pumping Power Cycle for Stellarator Reactor patent July 1991
Process and apparatus for decontaminating exhaust gas from a fusion reactor fuel cycle of exhaust gas components containing chemically bonded tritium and/or deuterium patent September 1988
Automatic fire extinguishing system having outlet dimensions sized relative to propellant gas pressure patent April 2016
Fusion Neutron Source For Breeding Applications patent-application July 2011