Industrial electric heating furnaces – Induction furnace device – Core-type
Patent
1982-10-18
1984-07-03
Envall, Jr., Roy N.
Industrial electric heating furnaces
Induction furnace device
Core-type
H05B 500
Patent
active
044583532
ABSTRACT:
The invention relates to a channel type induction furnace having at least one inductor and closed channels, including side channels, interconnected at the bottom, possibly via a bottom channel joining said channels, and possibly also a central channel extending between the hearth and the bottom channel, especially designed for aluminum, copper or other non-ferrous metals or non-ferrous alloys. The channel type induction furnace according to the invention is characterized in that the height of the channel in a plane through the longitudinal axis of the primary coil is at least 4.times..delta., where .delta. is the depth of penetration into the melt of the current induced in the channel, and the width of the channel is at least 6.times..delta..
REFERENCES:
patent: 1312069 (1919-08-01), Wyatt
ASEA Aktiebolag
Envall Jr. Roy N.
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