Electric heat storage apparatus employing pentaerythritol heat s

Electric heating – Heating devices – Resistive element: igniter type

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38 7783, 38 82, 38 93, 165 10, 165902, 219254, 219258, 219302, 219365, 219378, 219530, 219540, 252 73, 524322, H05B 300, D06F 7524, C09K 500, F24H 700

Patent

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047743956

ABSTRACT:
An electric heat storage apparatus, such as a steam iron, hot plate, pan, etc., includes a metal body defining a hollow housing enclosing a heat storage device containing a thermally decomposable heat storage substance comprising 30-99% by weight pentaerythritol. The heat storage substance is completely confined in a fluororesin enclosure which isolates the substance from the metal body and prevents contact of ambient air therewith so that the thermal stability of the pentaerythritol is enchanced. The metal body is heated by an electric heating element to a selected temperature for storing heat in the heat storage substance. In the case of use as a cordless electric steam iron, the metal body forms the sole plate of the iron and is provided with a vaporization chamber in heat exchange relationship with the heat storage substance for the generation of steam.

REFERENCES:
patent: 3884295 (1975-05-01), Laing et al.
patent: 3960207 (1976-06-01), Boer
patent: 4003426 (1977-01-01), Best et al.
patent: 4248291 (1981-02-01), Jarmul
patent: 4487856 (1984-12-01), Anderson et al.
patent: 4572864 (1986-02-01), Benson

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