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AssigneeUnited States Department of Energy
InventorsRobert J. Lari, Walter F. Praeg, Larry R. Turner
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An apparatus capable of producing a combination of magnetic fields that can retain a metal in liquid form in a region having a smooth vertical boundary including a levitation magnet that produces low frequency magnetic field traveling waves to retain the metal and a stabilization magnet that produces a high frequency magnetic field to produce a smooth vertical boundary. As particularly adapted to the casting of solid metal sheets, a metal in liquid form can be continuously fed into one end of the confinement region produced by the levitation and stabilization magnets and removed in solid form from the other end of confinement region. An additional magnet may be included for support at the edges of the confinement region where eddy currents loop.
A casting apparatus for producing a magnetic field that can retain a metal in liquid form in a region with a smooth vertical boundary comprising:
The apparatus of clam 5 in which said levitation magnet, said stabilization magnet, and said edge confinement means are particularly adapted for the continuously casting of metal and further wherein said levitation magnet, said stabilization magnet, and said edge confinement means are constructed and adapted to allow a metal in liquid form to be introduced into one end of the central region defined by the magnetic fields of said levitation magnet and said stabilization magnet and a metal in solid form to be removed from the other end of the central region defined by the magnetic fields produced by said levitation magnet and said stabilization magnet.
A method for confining metal in liquid form to a region having a smooth vertical boundary comprising the steps of:
Dependencies are inferred from the claim text.