Velocity damper for electromagnetically levitated materials

Details Velocity damper for electromagnetically levitated materials Velocity damper for electromagnetically levitated materials

1992-07-24

1994-06-07

Reynolds, Bruce A.

Industrial electric heating furnaces

Induction furnace device

219648, H05B 632

Patent

active

053196708

ABSTRACT:
A system for damping oscillatory and spinning motions induced in an electromagnetically levitated material. Two opposed field magnets are located orthogonally to the existing levitation coils for providing a DC quadrupole field (cusp field) around the material. The material used for generating the DC quadrupole field must be nonconducting to avoid eddy-current heating and of low magnetic permeability to avoid distorting the induction fields providing the levitation.

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