Heat exchange – With vehicle feature
Patent
1988-07-15
1989-09-26
Davis, Jr., Albert W.
Heat exchange
With vehicle feature
16510414, 16510426, 165110, 165156, F28D 1502, F28B 102
Patent
active
048693138
ABSTRACT:
A heat exchanger includes a porous cylindrical sleeve with a bore into which liquid coolant is admitted. The liquid permeates the sleeve but cannot leave the outer surface. A pipe surrounds the sleeve. The pipe has a cylindrical outer surface and an inner surface defining protrusions and vapor channels about the protrusions. The inner ends of the protrusions bear against the outer surface of the sleeve. A plurality of helical channels are helically arranged about and in thermal contact with the outer surface of the pipe. The ends of the helical channels are coupled to plenums. Each plenum is coupled by a pipe and a fluid disconnect to one end of a thermal loop including a heat source. Heat-laden vapor passes through the helical channels and is cooled to liquid. The heat is withdrawn into the pipe and passes through the protuberances to vaporize the liquid near the surface of the porous sleeve. The resulting vapor is collected and coupled to a condenser.
REFERENCES:
patent: 4286653 (1981-09-01), Edwards
patent: 4333525 (1982-06-01), Ilbin et al.
"Capillary Pumpted Loop (CPL) Technology Workshop", published by Aerospace Corporation, dated Jan. 21-22, 1986.
Berard Jr. Clement A.
Davis Jr. Albert W.
General Electric Company
Meise William H.
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