Stoves and furnaces – Heat accumulator structures
Patent
1978-06-05
1980-09-16
Yeung, James C.
Stoves and furnaces
Heat accumulator structures
126436, 126435, 60659, 165 1, 165104S, 165DIG4, F24H 700, F28D 2100, F24J 302
Patent
active
042223652
ABSTRACT:
A thermal energy storage system and method for storing substantial quantities of heat for extended periods of time. The system includes a heat collecting liquid which is in a heat-exchange relationship with a source of heat or thermal energy, a housing containing a large volume of particulate material such as rocks for the storage of thermal energy, a heat transfer gas in a heat-exchange relationship with the rocks and means for causing the heat collecting liquid and the heat transfer gas to flow in counter-current, indirect heat-exchange relationship with one another, the means further includes provisions for reversing the direction of flow of the liquid and gas for the introduction and removal of heat from a portion of the body of rock. There further is provided a working fluid and means for passing the working fluid and heat collecting liquid in indirect, heat-exchange relationship with one another for the transfer of heat to the working fluid, and a means operatively associated with the working fluid to extract energy therefrom. In a particularly preferred embodiment, the source of heat comprises a solar heat collector which uses a liquid alkali metal as the heat collecting liquid and the preferred heat transfer gas comprises air.
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patent: 3400249 (1968-09-01), Mekjean et al.
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patent: 4029081 (1977-06-01), Strong
patent: 4124061 (1978-11-01), Mitchell et al.
patent: 4137898 (1979-02-01), Koizumi et al.
patent: 4146057 (1979-03-01), Friedman et al.
DeLarvin Clark E.
Humphries L. Lee
Kolin Henry
Rockwell International Corporation
Yeung James C.
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