Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1978-01-03
1981-01-06
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
165 18, 165 35, 165 40, 165104S, 165107R, 219341, 219365, 219378, 237 8C, H05B 102, G05D 2313, F24H 704
Patent
active
042438713
ABSTRACT:
A heating system includes a heat storage tank containing a heat transfer fluid (water) electrically heated to a high temperature. A tube/shell heat exchanger having a pair of fluid flow paths arranged in counter flow relationship is provided for extraction of heat from storage tank by the circulation of the heat transfer fluid therethrough. Conduit means connect the outlet of the tank to the inlet of the first flow path. The outlet of the first flow path is connected to the inlet of a temperature responsive diverter valve having a pair of outlets. A first diverter valve outlet is connected to the inlet of the tank and the second diverter valve outlet is connected to the inlet of the first flow path. A pump responsive to the temperature at the outlet of the first flow path causes the heat transfer fluid to be circulated when the temperature at the outlet drops. The pump and diverter valve are so arranged that flow of heat transfer fluid is established through the first flow path and the second outlet of the diverter valve, thereby bypassing the heat storage tank, prior to establishment of the flow of heat transfer fluid through the first flow path, first diverter valve outlet and the tank, to thus allow utilization of stored heat without flashing of the liquid to be heated flowing through the second flow path of the heat exchanger.
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patent: 3888303 (1975-06-01), Skala
Bartis A.
Lidd Francis J.
Vapor Corporation
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