Induced nuclear reactions: processes – systems – and elements – Nuclear fusion – Magnetic confinement of plasma
Patent
1980-07-01
1982-09-14
Cangialosi, Sal
Induced nuclear reactions: processes, systems, and elements
Nuclear fusion
Magnetic confinement of plasma
250251, 376147, G21B 100
Patent
active
043495052
ABSTRACT:
A neutral beamline generator with energy recovery of the full-energy ion ponent of the beam based on magnetic blocking of electrons is provided. Ions from a positive ion source are accelerated to the desired beam energy from a slightly positive potential level with respect to ground through a neutralizer cell by means of a negative acceleration voltage. The unneutralized full-energy ion component of the beam exiting the neutralizer are retarded and slightly deflected and the electrons in the neutralizer are blocked by a magnetic field generated transverse to the beamline. An electron collector in the form of a coaxial cylinder surrounding and protruding axial a few centimeters beyond the neutralizer exit terminates the electrons which exit the neutralizer in an E x B drift to the collector when the collector is biased a few hundred volts positive with respect to the neutralizer voltage. The neutralizer is operated at the negative acceleration voltage, and the deflected full energy ions are decelerated and the charge collected at ground potential thereby expending none of their energy received from the acceleration power supply.
REFERENCES:
patent: 3663360 (1972-05-01), Post
patent: 3668065 (1972-06-01), Moir
patent: 3713967 (1973-01-01), Hamilton et al.
EUR-CEA-FC-823 (6/76) Association Euratom-CEA France, P. Raimbault.
Proc. 7th Syp. on Eng., Pbs. of Fus. Res., vol. 1, p. 308, Barr et al.
Besha Richard G.
Breeden David E.
Cangialosi Sal
Hamel Stephen D.
The United States of America as represented by the Department of
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