Heat pipe

Details Heat pipe Heat pipe

1989-08-18

1991-02-26

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

165 45, 165179, 165184, 119 73, 29890032, F28D 1502

Patent

active

049954504

ABSTRACT:
A heat pipe for providing enhanced thermal conductivity for transfering heat from a heat sink, such as the earth, to a separate medium, including an elongated, generally vertical, tube closed at each end and having a heat absorption portion adjacent the lower end and a heat dissipation portion adjacent the upper end, the wall of the tube having an integral spiraled groove therein forming internal spiraled valleys and ridges, a refrigerant within the tube having a liquid and a vapor phase wherein the refrigerant is converted to vapor in the heat absorption portion and the vapor is converted to liquid in the heat dissipation portion, the vapor being free to rise within the interior of the tube, the condensed liquid refrigerant flowing downwardly in the tube interior spiraled valleys.

REFERENCES:
patent: 2118060 (1938-05-01), Stone et al.

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