Electric heating – Inductive heating – With heat exchange
Patent
1997-04-09
1998-10-13
Leung, Philip H.
Electric heating
Inductive heating
With heat exchange
219623, 219624, 219674, 219671, H05B 612, H05B 640
Patent
active
058215077
ABSTRACT:
An electric cooker is provided, which can grill foods by heat rays from a metal heating member using induction heating and is hardly affected by drops from the foods. This electric cooker comprises a work coil wound in a substantially pipe-like shape for generating an alternating magnetic flux, a metal heating member having a substantially pipe-like shape disposed inside and coaxially with the work coil for being heated by the alternating magnetic flux generated by the work coil so as to generate heat rays, and an insulator having a substantially pipe-like shape disposed between the work coil and the metal heating member. A wire mesh for supporting the foods is disposed adjacent to the upper opening of the insulator. A receiving pan is disposed adjacent to the lower opening of the insulator for receiving drops from the foods. The metal heating member preferably has a shape suitable for collecting the heat rays to the upper opening. The cooker also can be applied for heating a metal pot or pan by means of a second work coil and an induction coil.
REFERENCES:
patent: 1975437 (1934-10-01), Sorrel
patent: 1997741 (1935-04-01), Northrup
patent: 2352332 (1944-06-01), Limpel
patent: 3108169 (1963-10-01), Keller
patent: 4503305 (1985-03-01), Virgin
patent: 4910372 (1990-03-01), Vukich
patent: 5053593 (1991-10-01), Iguchi
Iguchi Kuniaki
Sasaki Koki
Hidec Co., Ltd.
Leung Philip H.
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