System for transfer of energy between a hot source and a cold so

Details System for transfer of energy between a hot source and a cold so System for transfer of energy between a hot source and a cold so

1997-01-29

1998-12-01

Lazarus, Ira S.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Liquid fluent heat exchange material

165 42, F28D 1500

Patent

active

058425136

ABSTRACT:
A hot source (A) contains one assembly comprised of at least one capillary evaporator (1A) and at least one condenser (2B) having condensation surfaces with a large curvature radius, and a cold source (B) containing an assembly of the same nature (1B, 2B). The condensers are interconnected by means of a steam conduit (3) and the capillary evaporators are interconnected by means of a liquid conduit (4) so as to form a closed circuit wherein circulates a metered fluid amount so that the complete evaporation takes place in the "hot" evaporators and the complete condensation takes place in the "cold" condensers, the other elements being then inactive. The system is reversible and, consequently, interesting gains of weight and room can be achieved for a spatial utilization.

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D.R. Chalmers et al., Application of Capillary Pumped Loop Heat Transport Systems to Large Spacecraft, AiAA, pp. 1-11, Jun. 1986.
Patent Abstracts of Japan, vol. 9, No. 98 (M--375), Apr. 27, 1985.
"Two-Phase Bidirectional Heat Exchanger", NTIS Tech Notes Jun. 1991, Springfield, Va., p. 469.

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