Induction heating coil

Details Induction heating coil Induction heating coil

1980-03-25

1981-10-20

Mayewsky, Volodymyr Y.

Electric heating

Metal heating

Of cylinders

219 1079, 336232, H05B 504

Patent

active

042962951

ABSTRACT:
An improved flat induction heating coil for a cooking apparatus of the type in which an electrically conductive cooking utensil is heated according to the principle of electromagnetic induction. To provide a substantially uniform magnetic flux density distribution in the induction coil constituting a part of the cooking apparatus and, hence, a uniform temperature distribution across the bottom of the cooking utensil, a refractory insulating material is wound adjacent inner turns of the coil to provide a comparatively larger winding pitch for said inner turns than for outer turns. This arrangement makes for a flattened temperature profile and eliminates an uneven cooking of food.

REFERENCES:
patent: 3704357 (1972-11-01), Mouein
patent: 3781503 (1973-12-01), Harnden et al.
patent: 3781504 (1973-12-01), Harnden, Jr.
patent: 3786219 (1974-01-01), Kornrumpf et al.
patent: 3786220 (1974-01-01), Harnden, Jr.
patent: 3809846 (1974-05-01), Baumgartner et al.
patent: 3814888 (1974-06-01), Bowers et al.
patent: 4029926 (1977-06-01), Austiw
patent: 4092511 (1978-05-01), Austiw

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