Freeze accommodating heat pipe

Details Freeze accommodating heat pipe Freeze accommodating heat pipe

1978-11-01

1980-03-25

Davis, Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

165134R, F28D 1500

Patent

active

041945590

ABSTRACT:
A heat pipe wick which can survive freezing of the heat transfer fluid within the heat pipe and return to full operation automatically. A flexible high lift wick is used with a limited liquid inventory to prevent damage from freezing. The limited amount of liquid is completely retained in the wick at all times by capillary forces preventing puddling at the lowest point in the heat pipe, thus avoiding damage to the casing by expansion.

REFERENCES:
patent: 3604504 (1971-09-01), Kessler, Jr. et al.
patent: 3754594 (1973-08-01), Ferrell

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