Electric heating – Metal heating – Of cylinders
Patent
1982-11-12
1984-11-06
Leung, P. H.
Electric heating
Metal heating
Of cylinders
219 1075, 219 1079, 219 1057, 219 1043, H05B 610
Patent
active
044813970
ABSTRACT:
Magnetic induction heating apparatus for flat, rectangular metal products travelling in the direction of their longitudinal axis, comprising at least one inductor mounted so as to rotate about an axis perpendicular to a wide face of the metal product and comprising at least two magnetic poles having polar surfaces sweeping out an annular area as the inductor rotates about the perpendicular axis. In order to effectuate the homogeneous heating of the metal product in the transverse direction, the polar surface of each magnetic pole has the shape of a curvilinear triangle with a truncated apex directed toward the axis of rotation of the inductor, two concave sides which are symmetric with respect to a straight line passing through the truncated apex and perpendicular to the axis of rotation, and a convex side of circular arc centered about the axis of rotation having a radius of curvature essentially equal to the external radius of the annular area sweep by the polar surfaces of the magnetic poles.
REFERENCES:
patent: 3236993 (1966-02-01), Jones
patent: 3272956 (1966-09-01), Baermann
Camus Jean-Paul
Maurice Jean
Travers Roger
CEM Compagnie Electro Mecanique
Leung P. H.
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