H - Electricity – 05 – B
Patent
H - Electricity
05
B
327/26
H05B 6/04 (2006.01) H05B 6/06 (2006.01) H05B 6/24 (2006.01)
Patent
CA 1327839
INDUCTION MELTING Abstract of the Disclosure An induction melting apparatus including a vessel for holding a melt of molten metal, an induction coil operatively associated with the vessel, and a power supply for providing power input to the induction coil. The power input has a melting component at a first preselected frequency for operatively holding the melt at a preselected temperature by induction heating and an agitation component at a second preselected and different frequency for agita- tion of the melt by inducing turbulence therein. The power supply comprises an agitation power supply circuit opera- tively supplying current to the coil at the second frequency, and a melting power supply circuit including a series resonant circuit through which the melting component is operatively applied to the coil at the first frequency at the same time as the agitation component is applied to the coil. Each supply circuit includes means for regulat- ing the power input component respective thereto indepen- dently of and without affecting the other of the power input components.
613551
Gowling Lafleur Henderson Llp
Inductotherm Corp.
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