Induction cooker with reduced parasitic radiation

Details Induction cooker with reduced parasitic radiation Induction cooker with reduced parasitic radiation

1995-11-15

1997-08-19

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219620, 219660, 219671, 174 35R, H05B 612, H05B 606

Patent

active

056584822

ABSTRACT:
An induction cooker comprises at least one cooking heater comprising an inductor, a generator delivering a AC current to supply the inductor and an element made of a non-magnetic, electrically conductive material to provide shielding against the disturbances generated by the inductor. The shielding function is improved by electrically connecting the element to the mains by means of a high-frequency filter of the generator. Preferably, the electrical link between the shielding and the filter comprises a capacitor.

REFERENCES:
patent: 3898410 (1975-08-01), Peters, Jr.
patent: 3996442 (1976-12-01), Moreland, II et al.
patent: 4163139 (1979-07-01), Malarkey et al.
patent: 4426564 (1984-01-01), Steigerwald et al.
patent: 4467162 (1984-08-01), Kondo et al.
patent: 5278381 (1994-01-01), Rilly
Patent Abstracts of Japan, vol. 016 No. 554 (E-1293), Nov. 25, 1992, & JP-A-04 209489 (Sharp Corp) Jul. 30, 1992, abridged.

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