Heat exchange – Heating and cooling – Heating and cooling of the same material
Patent
1977-01-27
1979-01-23
Myhre, Charles J.
Heat exchange
Heating and cooling
Heating and cooling of the same material
165104S, 126400, F25B 1300
Patent
active
041355725
ABSTRACT:
A method and apparatus of alternately heating and cooling a heat exchanger of a heating and cooling system having a boiler and a cooler, is disclosed, in which quantities of liquid of different temperature are passed from the heat exchanger into at least two reservoirs, respectively during the warm-up phase and cool-down phases of the exchanger. Upon the change from cooling to heating, the quantity of liquid in the reservoir having the lowest temperature, is passed to the heat exchanger for preheating the latter, and upon the change from heating to cooling, the quantity of liquid in the reservoir having the highest temperature is passed to the heat exchanger for the preliminary cooling thereof. The quantities of liquid in each warm-up and cool-down phase respectively are circulated exclusively in closed circuits, by displacement, first between the heat exchanger and one of the reservoirs and thereafter between the heat exchanger and another of the reservoirs through the boiler during the warm-up phase and the cooler during the cool-down phase, while the entire quantity of liquid stored during the warm-up and cool-down phase, respectively are included in the subsequent cool-down and warm-up phase, respectively.
REFERENCES:
patent: 3556201 (1971-01-01), Sander
patent: 4072184 (1978-02-01), Hinkle
LaTulip Margaret
Myhre Charles J.
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