Magnetic flux induction heating

Details Magnetic flux induction heating Magnetic flux induction heating

1985-10-04

1988-08-02

Pellinen, A. D.

Electric heating

Metal heating

Of cylinders

219 1043, 219 1077, 219 1079, 219 1049, H05B 508

Patent

active

047615273

ABSTRACT:
This relates to the induction heating of metal shapes and coils of metal strip wherein the element to be heated functions as a shorted out armature of a D.C. generator. Either the metal shape to be heated or field forming magnets are moved relative to each other wherein the metal shape cuts the flux field to effect an induced generation of electricity within the shape. The frequency of the induced current is such wherein the electrical energy is induced into the metal shape on the order of one third of the thickness of that shape wherein a most efficient conduction of the heat from the electrical energy is effected with a minimum heat loss to the atmosphere. The voltage involved is low while there is a very high amperance. The frequency of the induced current will normally be on the order of one to ten hertz and less than sixty hertz. The relative movement between the field and the shape to be heated may be rotary or linear.

REFERENCES:
patent: 2448009 (1948-10-01), Baker
patent: 2902572 (1957-03-01), Lackner et al.
patent: 2912552 (1957-01-01), Baermann
patent: 3041434 (1958-06-01), Alf
patent: 3272956 (1966-09-01), Baermann
patent: 3965321 (1976-06-01), Brinkman
patent: 4481397 (1984-11-01), Maurice et al.

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