Inductotherm Corp.

John C Thorpe

Vitaly A Peysakhovich

Hans G Heine

John H Mortimer

A transverse flux induction heating apparatus adjusts the level of edge heating of a workpiece by changing the pole pitch of induction coils forming the apparatus to provide a more uniform transverse temperature of the workpiece. Changes in the operating frequency of the induction power supply and in the distance between induction coils and workpiece are not required to adjust edge frequency heating. The pole pitch, and therefore, the level of edge heating can be continuously changed, or conveniently adjusted prior to a production run, in a high speed continuous heat treatment process for a workpiece.

Transverse flux induction heating apparatus

A flat inductor heating system for inducing heat in a variety of applications including heating, melting and holding a melt at temperature. The system may also be used to stir the melt. The system includes at least one flat induction coil cast in an aggregate of shot and a binding material. The aggregate serves to direct magnetic flux to the melt, thereby improving efficiency. The system is situated above a refractory holding the melt and may either rest on the refractory or be raised and lowered into and out of the refractory.

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Edgewater Park, NJ, United States of America

John C Thorpe