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1. US20150294742 - Method, apparatus, and system to reduce neutron production in small clean fusion reactors

Office United States of America
Application Number 14387475
Application Date 25.03.2013
Publication Number 20150294742
Publication Date 15.10.2015
Grant Number 09767925
Grant Date 19.09.2017
Publication Kind B2
IPC
G21B 1/05
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
BFUSION REACTORS
1Thermonuclear fusion reactors
05with magnetic or electric plasma confinement
CPC
G21B 1/052
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
BFUSION REACTORS
1Thermonuclear fusion reactors
05with magnetic or electric plasma confinement
052reversed field configuration
Y02E 30/122
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
30Energy generation of nuclear origin
10Fusion reactors
12Magnetic plasma confinement [MPC]
122Tokamaks
Applicants THE TRUSTEES OF PRINCETON UNIVERSITY
Inventors Samuel A. Cohen
Agents Fox Rothschild LLP
Title
(EN) Method, apparatus, and system to reduce neutron production in small clean fusion reactors
Abstract
(EN)

The invention is for a system and method to reduce neutron production from a deuterium-helium-3 (D-3He) fueled, steady-state, small nuclear fusion reactor. The reactor employs a field-reversed configuration (FRC) magnetic confinement scheme and an odd-parity rotating magnetic field (RMFo) that produces periodic, co-streaming, energetic ion beams which heat the plasma. This is accomplished through radio-frequency (RF) heating, which can effectively heat and maintain the plasma. Use of this method will lessen damage to and activation of reactor components and, in doing so, can advance the development of fusion reactors for electrical, power and propulsion applications by alleviating the need for both nuclear-materials and tritium-breeding-technology testing programs.

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