Electric heating – Metal heating – Of cylinders
Patent
1982-01-15
1985-03-05
Leung, Philip H.
Electric heating
Metal heating
Of cylinders
219 1075, 219 1079, H05B 610
Patent
active
045033056
ABSTRACT:
Air passed through each of a plurality of magnetizable cores is heated by application of alternating electrical current to an induction heating coil surrounding each magnetizable core, the coils being connected together in an electrical network. Each magnetizable core is comprised of a cylindrical, loose roll of magnetizable material, either a mesh screen, or sheet metal, for use in a forced air heating system.
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patent: 3534197 (1970-10-01), Burnett
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