F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
307/16
F27B 3/08 (2006.01) C21C 5/52 (2006.01) H05B 7/11 (2006.01) H05B 7/148 (2006.01)
Patent
CA 2029285
ABSTRACT OF THE DISCLOSURE The invention provides a direct current electric arc furnace composed of a main body, a moving electrode attached at the center of a roof of the furnace which generates an arc under the moving electrode, a bottom electrode attached at the center of the bottom, conductors which are connected to the bottom electrode, so that the deviation of the arc caused by a magnetic field originated at the outside of the main body is cancelled by another magnetic field caused by the conductors when electric currents are fed to the conductors and means of feeding direct currents to the conductors.
Nkk Corporation
Ridout & Maybee Llp
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