Simultaneous induction heating of multiple workpieces

Details Simultaneous induction heating of multiple workpieces Simultaneous induction heating of multiple workpieces

2005-11-08

2005-11-08

Leung, Philip H. (Department: 3742)

Electric heating

Inductive heating

With workpiece support

C219S656000, C219S672000, C219S637000, C148S567000

Reexamination Certificate

active

06963057

ABSTRACT:
Multiple workpieces are inductively heated by passing them through one or more induction heating coils. Passage of a section of each workpiece through a coil may oscillate in the forward and reverse directions, independent of the movement of the other workpieces, one or more times, to selectively heat each workpiece while operating the power supplies for each of the induction heating coils at constant current, voltage and/or power to maximize the efficiency of the electrical circuit and minimize the requirements for power supply control circuitry.

REFERENCES:
patent: 4315124 (1982-02-01), Granstrom et al.
patent: 4407486 (1983-10-01), Mills et al.
patent: 5844213 (1998-12-01), Peysakhovich et al.
patent: 5922234 (1999-07-01), Grow et al.

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