Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1973-08-06
1976-11-02
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
126400, 165 10, 219365, 219530, H05B 100, F24H 702
Patent
active
039899276
ABSTRACT:
A storage heater for heating a gaseous heat extraction medium is formed of a container of heat resistant material, preferably metal. At least one guide duct, in the form of a tube for carrying the gaseous heat extraction medium, extends through the container which holds a heat storage medium in the form of a pourable bulk of particulate solid material. The thermal storage medium comprises a bulk in which the product of specific heat of the solid material and the bulk density of the mass is at least 0.7 kcal/.degree. C dm.sup.3, the specific heat of the solids material being at least 0.12 kcal/.degree. C kgf and the bulk density of the solids material being at least 2.5 kgf/dm.sup.3. The thermal storage medium is a material which can be in direct contact with the air to be heated for places of human habitation.
REFERENCES:
patent: 2671644 (1954-03-01), Zenner et al.
patent: 2776562 (1957-01-01), Davie et al.
patent: 2858781 (1958-11-01), Hexdall
patent: 2911513 (1959-11-01), MacCracken
patent: 3062510 (1962-11-01), Percival
patent: 3381113 (1968-04-01), Jacques et al.
patent: 3624356 (1971-11-01), Havill
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