Closely coupled two phase heat exchanger

Details Closely coupled two phase heat exchanger Closely coupled two phase heat exchanger

1978-09-05

1980-10-28

Davis, Albert W.

Heat exchange

Regenerator

Checker brick structure

165 40, 165105, 165107R, 165134DP, 165DIG12, F28D 1500

Patent

active

042301734

ABSTRACT:
A closely coupled two phase heat exchanger. The heat is transferred between gas streams by multiple intermediate fluid paths. Each of the several intermediate fluid paths passes alternately between the hot and the cold gas stream many times during its travel from the pump. The heat exchanger is designed so that the intermediate fluid vaporizes in the hot and condenses in the cold section each time, thereby minimizing the quantity of liquid necessary to transfer the heat. The pumping action for the intermediate fluid exchanger is accomplished by either mechanical or vapor pumps. An added feature of the heat exchanger is automatic control of the minimum temperature to which the hot gas is cooled. This is accomplished by shutting off one of several intermediate fluid paths at the cool end of the gas being cooled. The shutoff is accomplished either on the basis of temperature of the cooled gas or on the formation of condensates at the cool end of the gas flow path.

REFERENCES:
patent: 2072486 (1937-03-01), Smith
patent: 3609991 (1971-10-01), Chu et al.
patent: 4044820 (1977-08-01), Nobles
patent: 4137965 (1979-02-01), Fallon, Jr. et al.

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