Industrial electric heating furnaces – Induction furnace device
Patent
1991-12-12
1993-12-21
Reynolds, Bruce A.
Industrial electric heating furnaces
Induction furnace device
373147, 373148, 373150, 219 1077, 363 96, H05B 602
Patent
active
052727190
ABSTRACT:
A system for simultaneously melting metal and holding molten metal for treatment and the like comprises a plurality of separate induction furnaces, each having an induction coil. The induction coil of each furnace is arranged to inductively heat metal in its associated furnace. A plural-output power supply is operatively connected to the induction coils for supplying ac power to the coils. The power supply comprises at least one rectifier section having an output and a plurality of high-frequency inverter sections equal to the number of separate induction furnaces Each inverter section has an input operatively associated with the rectifier section output for receiving power from said at least one rectifier section and an output operatively connected to a respective one of the induction coils for supplying ac power to the induction coil. Switches are provided for selectably interrupting power from selected ones of said plurality of inverter sections to their associated induction coils.
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Cartlidge Jesse
Fishman Oleg S.
Mortimer John H.
Potter Brian E.
Rotman Simeon Z.
Hoang Tu
Inductotherm Corp.
Reynolds Bruce A.
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