Low frequency electromagnetic induction heater with magnetic flu

Details Low frequency electromagnetic induction heater with magnetic flu Low frequency electromagnetic induction heater with magnetic flu

1993-08-05

1994-09-13

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219627, 219670, H05B 612

Patent

active

053471075

ABSTRACT:
Disclosed is an electromagnetic induction heater in which magnetic flux diffusing members are fixed to at least two ends of an iron core wrapped with an electric wire to form a coil, and a metal plate is connected to the magnetic flux diffusing members to heat a wide area of the metal plate uniformly. By supplying a commercial low frequency alternating power source of 50-60Hz to the coil, a magnetic flux is generated in the iron core. The magnetic flux, flowing in the magnetic flux diffusing members, is diffused in a longitudinal direction. Diffused magnetic flux flows through the metallic plate to generate Joule heat over the plate. Therefore, the entire surface of the metal plate is heated uniformly. Either a single-phase or three-phase alternating power source is used in this invention.

REFERENCES:
patent: 4110588 (1979-08-01), Holz
patent: 4145591 (1979-03-01), Takeda
patent: 4355222 (1982-10-01), Geithman et al.
patent: 4442332 (1984-04-01), Jackson et al.
patent: 4467162 (1984-08-01), Kondo et al.
patent: 4468549 (1984-08-01), Arnosky
patent: 4795872 (1989-01-01), Hagisawa et al.
patent: 4798926 (1989-01-01), Sakai
patent: 4999467 (1991-03-01), Iguchi
patent: 5003145 (1991-03-01), Nolle et al.
patent: 5053593 (1991-10-01), Iguchi

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