Heat pipe with capillary groove and floating artery

Details Heat pipe with capillary groove and floating artery Heat pipe with capillary groove and floating artery

1975-11-10

1977-11-15

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

165133, 291573R, F28D 1500

Patent

active

040581594

ABSTRACT:
A multi-spline tool cuts material from the interior wall of a heat pipe envelope to provide a path for working fluid flow. Cross cuts can be made by pulling the tool out of the same end from which it was inserted while the tool continues to rotate in the same direction. An unrestrained liquid supply artery configured, for example as a cylinder of perforated metal, wire screen material, or other porous substance, with a designed flow area is inserted in the envelope. Since the artery is unrestrained, that is, not attached to the envelope, in a gravity field it will drop to the lower portion of the envelope inside diameter to assure a liquid flow at the bottom of the tube, regardless of the orientation of the heat pipe.

REFERENCES:
patent: 3844342 (1974-10-01), Eninger et al.
patent: 3865184 (1975-02-01), Grover
patent: 3892273 (1965-07-01), Nelson
patent: 4020898 (1977-05-01), Grover

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