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US 4,789,026 AGranted
Polished surface capillary grooves
AssigneeThermacore, Inc.
InventorsBrian E. Shank, Robert M. Shaubach
Life of this patent
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Abstract
Capillary grooves in a heat pipe which are specifically constructed to suppress boiling. Conventionally shaped grooves are constructed with highly polished surfaces. The high polish discourages vapor bubbles which otherwise interfere with the liqud transport function of the arteries. A method of constructing the highly polished grooves by vapor deposition onto matching mandrels is also disclosed.
Claims4
An improved heat pipe comprising a heat pipe casing with grooves formed in the inside surface of the heat pipe casing wherein the surfaces in the grooves have roughness measure of no more than 8 microinches R.M.S.
Dependencies are inferred from the claim text.