Melting furnace including wire-discharge ion plasma electron emitter
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United States of America Patent
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Sep 27, 2016
Grant Date -
Oct 24, 2013
app pub date -
Jun 17, 2013
filing date -
Mar 30, 2007
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Abstract
An apparatus for melting an electrically conductive metallic material includes a vacuum chamber and a hearth disposed in the vacuum chamber. At least one wire-discharge ion plasma electron emitter is disposed in or adjacent the vacuum chamber and is positioned to direct a wide-area field of electrons into the vacuum chamber, wherein the wide-area electron field has sufficient energy to heat the electrically conductive metallic material to its melting temperature. The apparatus may further include at least one of a mold and an atomizing apparatus which is in communication with the vacuum chamber and is positioned to receive molten material from the hearth.
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