Heat pipes, process and apparatus for manufacturing same

Details Heat pipes, process and apparatus for manufacturing same Heat pipes, process and apparatus for manufacturing same

1976-05-17

1978-08-29

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

138 40, 291573R, F28D 1500

Patent

active

041097092

ABSTRACT:
Heat pipes comprising an outer tubular material closed at both ends, a wick of metal fibers, an inner tubular material covered with the wick and inserted in the outer tubular material and a heat transfer volatile liquid confined in the closed outer tubular material. An evaporation region and a condensing region are respectively constituted in the end portions of the outer tubular material. The liquid in the evaporation region vaporizes when heated and the vapor is passed to the condensing region to condense while giving the heat of the vapor to other materials outside the heat pipe, and the condensed liquid is returned to the evaporation region by the capillary action of said wick, thus repeating a cycle of the evaporation and condensation.

REFERENCES:
patent: 3498369 (1970-03-01), Levedahl
patent: 3576210 (1971-04-01), Trent
patent: 3681843 (1972-08-01), Arcella et al.
patent: 3779310 (1973-12-01), Russell
patent: 3786861 (1974-01-01), Eggers
patent: 3789920 (1974-02-01), Low

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