Electromagnetic induction device for heating metal elements

Details Electromagnetic induction device for heating metal elements Electromagnetic induction device for heating metal elements

1985-06-27

1987-06-16

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1043, 219 1057, 219 1075, H05B 642

Patent

active

046737812

ABSTRACT:
An electromagnetic induction apparatus for heating metal elements has at least one flat loop magnetic circuit open at its two facing ends, with an inductor wound onto the magnetic circuit. The inductor has two windings wound onto the magnetic circuit, respectively in the vicinity of the two ends of the loop, which windings are supplied by in-phase alternating currents. Each end of the flat loop is chamfered, the ends forming an air gap therebetween, in which the element to be heated is placed.

REFERENCES:
patent: 2457843 (1949-01-01), Strickland
patent: 3467806 (1969-09-01), Dixon
patent: 3663782 (1972-05-01), Emerson
patent: 4029926 (1977-06-01), Austin
patent: 4281234 (1981-07-01), DoHogne
patent: 4359620 (1982-11-01), Keller

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