Flux shaping arrangement for induction surface unit

Details Flux shaping arrangement for induction surface unit Flux shaping arrangement for induction surface unit

1981-03-18

1982-09-07

Reynolds, B. A.

Electric heating

Metal heating

Of cylinders

219 1067, 219 1079, H05B 612

Patent

active

043485715

ABSTRACT:
An induction heating apparatus having a cooktop including a plurality of induction surface heating units. The cooktop comprises a horizontally disposed planar metal support surface having a plurality of openings therein. A ceramic smooth-top plate is supported in each of the openings and adapted to support a cooking utensil thereon. An induction heating coil is supported subjacent the ceramic plate in a position to generate a magnetic field which passes through the plate to link the cooking utensil. Each plate is supported by a metallic trim frame, which abuts a conductive layer on the plate, the frame and layer combining to provide a low reluctance flux path, the low reluctance path operating to reduce the magnetic flux leaked into the space surrounding the heating apparatus during operation thereof.

REFERENCES:
patent: 3674983 (1972-07-01), Hurko et al.
patent: 3686477 (1972-08-01), Dills et al.
patent: 3947652 (1976-03-01), Cobb
patent: 3953783 (1976-04-01), Peters, Jr.
patent: 3993885 (1976-11-01), Kominami et al.
patent: 3996442 (1976-12-01), Moreland et al.

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