Induction heating device with a switching power source and...

Details Induction heating device with a switching power source and... Induction heating device with a switching power source and...

2005-12-20

2005-12-20

Van, Quang (Department: 3742)

Electric heating

Inductive heating

With power supply system

C219S660000, C363S021040

Reexamination Certificate

active

06977362

ABSTRACT:
An induction heating device includes a plurality of induction coils connected to a single high-frequency power source and each being able to be ON/OFF controlled by a switch. A current is selectively fed only to desired part of the induction coils or to all of the induction coils connected in parallel. The coils are driven by a current fed thereto at the same time in the same phase. The device may include inverters for controlling power to be fed coil by coil. The device is free from interference and irregular heating and can readily cope with a change in a heating range while controlling power coil by coil.

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