Method and apparatus for the alternate heating and cooling of a

Heat exchange – Regenerator – Checker brick structure

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165 2, 165 18, 165 48, 165 61, 165104R, F25B 1300

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active

040208958

ABSTRACT:
A heating and cooling apparatus with thermal recovery with two heat exchangers and method of alternately heating and cooling same, in which, during the warm-up phase, the cool liquid returning from a heat exchanger, and, during the cool-down phase, the hot liquid returning from a heat exchanger, are delivered to reservoirs from which, during the warm-up phase, hot liquid is taken for the hot liquid source, and, during the cool-down phase, cold liquid is taken for the cold liquid source, into which reservoirs both during the warm-up phase and during the cool-down phase amounts of liquid of different temperature are taken from the heat exchanger. The warm-up and cool-down phases of the second heat exchanger are out of step with the warm-up and cool-down phases of the first heat exchanger by a fraction of the length of these phases. The liquid from the first heat exchanger is used during the warm-up phase for the preheating of the second heat exchanger, and during the cool-down phase for the preliminary cooling thereof.

REFERENCES:
patent: 3604501 (1971-09-01), Brants
patent: 3608624 (1971-09-01), Hasselriis
patent: 3653429 (1972-04-01), Lawrence
patent: 3774673 (1973-11-01), Ribesse
patent: 3842901 (1974-10-01), McFarlan

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