Device for monitoring current in an induction heating coil

Details Device for monitoring current in an induction heating coil Device for monitoring current in an induction heating coil

1993-12-08

1995-07-18

Leung, Philip H.

Electric heating

Inductive heating

With power supply system

219664, 219665, 324126, 324654, H05B 606, G01R 3300

Patent

active

054343895

ABSTRACT:
A monitor device for creating a current signal having a voltage representative of the instantaneous alternating current in an induction heating coil connected to an alternating current supply by two closely spaced, parallel input conductors separated by a narrow gap or flux package through which flows the flux created by the alternating current in the parallel conductors. The monitor device comprising: a multiturn sensing winding, means for securing the winding between said parallel conductors and over the flux passage whereby the flux flowing through flux passage intersects the turns of the sensing winding, and means for creating the current signal by the induced voltage in the winding.

REFERENCES:
patent: 3579280 (1971-05-01), Florance
patent: 3743808 (1973-07-01), Kasper
patent: 3746825 (1973-07-01), Pfaffmann
patent: 3882370 (1975-05-01), McMurray
patent: 4021729 (1977-05-01), Hudson, Jr.
patent: 4317979 (1982-03-01), Frank et al.
patent: 4816633 (1989-03-01), Mucha et al.
patent: 5015944 (1991-05-01), Bubash
patent: 5223789 (1993-06-01), Katsuyama et al.

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