Polymeric heat pipe wick

Details Polymeric heat pipe wick Polymeric heat pipe wick

1986-12-16

1988-08-23

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

138 38, 122366, 165905, F28D 1502

Patent

active

047653965

ABSTRACT:
A wick for use in a capillary loop pump heat pipe. The wick material is an essentially uniformly porous, permeable, open-cell, polyethylene thermoplastic foam having an ultra high average molecular weight of from approximately 1,000,000 to 5,000,000, and an average pore size of about 10 to 12 microns. A representative material having these characteristics is POREX UF which has an average molecular weight of about 3,000,000. This material is fully compatible with the FREONs and anhydrous ammonia and allows for the use of these very efficient working fluids in capillary loops.

REFERENCES:
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patent: 3901311 (1975-08-01), Kosson et al.
patent: 3954927 (1976-05-01), Duling et al.
patent: 4125387 (1978-11-01), Gunter
patent: 4165614 (1979-08-01), Yeh
patent: 4170262 (1979-10-01), Marcus et al.
patent: 4274479 (1981-06-01), Eastman
patent: 4280333 (1981-07-01), Corliss et al.
patent: 4414961 (1983-11-01), Luebbe
patent: 4523636 (1985-06-01), Meijer et al.

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