Omnidirectional heat pipe

Details Omnidirectional heat pipe Omnidirectional heat pipe

1977-07-22

1979-07-10

Davis, Jr., Albert W.

Stoves and furnaces

Heaters

Surface

165105, 237 1A, 165104S, 122 33, F24J 302

Patent

active

041604440

ABSTRACT:
A wickless heat pipe assembly comprising a pair of conduits each having a vaporization region at one end and a condensing region at the other. The vaporization regions are configured to prevent the heat-transferring fluid, while in liquid form, from flowing downwardly into their respective conduits. A pair of liquid return passages connect each condensing region with the vaporization region of the opposite conduit through a check valve. Cyclically alternating changes in pressure in the two conduits are produced by alternately applying heat to the two vaporization regions. The pressure differentials cause any liquid collected at the condensing region to be returned to the vaporization region. This positive pumping action of the heat transfer fluid permits the heat pipe assembly to operate in almost any attitude and is particularly suitable for the downward transfer of heat.

REFERENCES:
patent: 2068549 (1937-01-01), Knight
patent: 2280273 (1942-04-01), Taylor
patent: 2366955 (1945-01-01), Burggrabe
patent: 4061131 (1977-12-01), Bohanon

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