Food warning device containing a rechargeable phase change mater

Electric resistance heating devices – Heating devices – With heat storage means

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Details

392339, 219528, 219387, 219529, 219530, 12626301, F24H 700, H05B 360

Patent

active

061084891

ABSTRACT:
A heating device for food and other products is provided. The device includes a unit containing a rechargeable phase change material which is capable of being charged with heat energy by a heat source such as a conduction, convection, radiant heat, electrical resistance, electrical inductance, microwave, or radio frequency. The phase change material may be provided in a variety of forms and may comprise linear alkyl crystalline alkyl hydrocarbons, alkyl hydrocarbon waxes, crystalline fatty acids, linear crystalline primary alcohols, ethylene copolymers, polyethylene, polyethylene glycol, polyethylene oxide, and acetamide.

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patent: 5916470 (1999-06-01), Besser et al.

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