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Nuclear Plasma Fusion 2001 Patent Referenz Nr. 60274211

02.05.2019 (👁1212)

Nuclear fusion system that captures and uses waste heat to increase system efficiency 


A nuclear fusion system comprises a nuclear fusion device for providing heat energy, a capacitor for storing electrical energy for use by the nuclear fusion device in providing the heat energy, and an electrical conductor for carrying electrical energy from the capacitor to the nuclear fusion device, each of the nuclear fusion device, the capacitor and the conductor being located within a first chamber. The first chamber is located within a second chamber. A fluid is located between the first and second chambers, surrounds the nuclear fusion device, the capacitor and the conductor, and receives heat energy from each of the nuclear fusion device, the capacitor and the conductor, resulting in the fluid being heated. A thermal energy converter receives heated fluid from the second chamber. A super insulating material encloses the second chamber to reduce heat loss from the heated fluid to the cooler ambient.


The present invention relates to a thermonuclear fusion reactor and an energy conversion apparatus. 




Panarella; Emilio (Ottawa, CA)


Filing Date    Patent Number       Issue Date

60274211     Mar 9, 2001
Advanced Laser and Fusion Technology Inc
Department of Electrical Engineering University of Tenneessee



The basic configuration of a thermo-nuclear fusion reactor, as presently conceived is shown in FIG. 1. The fusion reactor, generally shown at reference numeral 1, comprises a fusion reactor chamber 3 containing fusion fuel, usually a mixture of deuterium and tritium (D-T), surrounded by a liquid blanket 5. Energy for driving the nuclear reactor is provided by an electrical energy source 7, for example, a charged condenser bank via a transmission line 9. In order to generate fusion reactions in the deuterium-tritium fuel, the fuel must be brought to the plasma state at very high temperature of the order of a few keV (i.e. 1 to 10 keV) (1 keV=11,600, K.). 

The energy produced by the fusion reactions is carried out of the plasma 11 in the form of neutrons and alpha particles. Bremsstrahlung produced from the plasma during its burning cycle as well as other losses are also carried out of the plasma 11. The energy is deposited in the liquid blanket and converted to thermal energy which is subsequently converted into electricity and returned to the energy source. 

In practice, not all of the energy from the energy source is conveyed to the fusion reactor, as some of the energy is lost as heat from the transmission line and not all of the thermal energy generated in the liquid blanket is converted into electricity, i.e. the conversion is not done with 100% efficiency. To achieve a break-even condition, the energy produced by the fusion reaction must equal the energy lost from the reactor system during one complete energy cycle. 

The energy inventory of the fusion reactor illustrated in FIG. 1 is as follows, where "a" is the percentage of energy delivered from the energy source to the reactor and "b" is the percentage of thermal energy from the liquid blanket converted to electricity. E initial available energy aE portion of the available energy transferred to the plasma chamber (1-a)E portion of the available energy dissipated as heat in the transmission line. This heat is transferred to the surrounding environment aE energy transferred from the plasma chamber to the liquid blanket mainly in the form of bremsstrahlung radiation and heat losses E.sub.R energy produced by the fusion reactions. This energy too is transferred to the liquid blanket aE+E.sub.R thermal energy available from the liquid blanket for conversion to electricity b(aE+E.sub.R) portion of the thermal energy converted to electricity that is returned to the energy source (1-b) (aE+E.sub.R) portion of the thermal energy that is not converted to electricity. This energy is deposited as heat in the surrounding environment.