Heat exchange tube with heat absorptive shield

Details Heat exchange tube with heat absorptive shield Heat exchange tube with heat absorptive shield

1980-12-22

1982-09-28

Richter, Sheldon J.

Heat exchange

Miscellaneous

110326, 122 44B, 122367C, 138 38, 165134R, 165DIG6, 165DIG12, F28F 140

Patent

active

043513921

ABSTRACT:
Method and apparatus for enhancing the heat transfer efficiency and lowering the temperature of tube walls used in a tubular gas to gas heat exchanger. The heat exchanger utilizes essentially flat sided tubes for the transfer of heat from hot gas flowing over the tubes to a cooler gas flowing therethrough. The apparatus of the invention includes a metallic heat shield inserted into the tubes between sides thereof to intercept radiation from the outer walls of said tubes and transfer it to the cooler gas flowing therethrough.

REFERENCES:
patent: 1117050 (1914-11-01), Honigmann
patent: 2230221 (1941-02-01), Fitch
patent: 2257721 (1941-09-01), Dufault
patent: 3353919 (1967-11-01), Stockman
patent: 4167212 (1979-09-01), Thekdi
patent: 4168737 (1979-09-01), Yoshimitsu

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