Pin fin heat exchanger
First Claim
Patent Images
1. A pin fin heat exchanger comprising at least one pin fin heat pipe, said at least one pin fin heat pipe having a cavity to contain working fluid;
- said at least one pin fin heat pipe comprising a main tube and a plurality of branching pin fin heat pipe end portions projecting from said main tube, each branching pin fin heat pipe end portion comprises a part of said cavity and comprises a wicking layer bounding said part of said cavity; and
the plurality of branching pin fin heat pipe end portions have curved longitudinal axes.
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Abstract
A pin fin heat exchanger including a pin fin heat pipe. A main tube of the heat pipe may divide at the evaporator end into a number of pin fin evaporators, each having fluid entrances and exits to the main tube; and at the condenser end into a number of pin fin condensers, each having fluid entrances and exits to the main tube.
48 Citations
23 Claims
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1. A pin fin heat exchanger comprising at least one pin fin heat pipe, said at least one pin fin heat pipe having a cavity to contain working fluid;
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said at least one pin fin heat pipe comprising a main tube and a plurality of branching pin fin heat pipe end portions projecting from said main tube, each branching pin fin heat pipe end portion comprises a part of said cavity and comprises a wicking layer bounding said part of said cavity; and the plurality of branching pin fin heat pipe end portions have curved longitudinal axes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 21, 22)
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19. A pin fin heat exchanger comprising at least one pin fin heat pipe, said at least one pin fin heat pipe having a cavity to contain working fluid;
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said at least one pin fin heat pipe comprising a main tube and a plurality of branching pin fin heat pipe end portions projecting from said main tube; wherein each branching pin fin heat pipe end portion comprises a part of said cavity and comprises a wicking layer bounding said part of said cavity; and at least one of; said plurality of branching pin fin heat pipe end portions provide a plurality of evaporators and said evaporators meet said main tube at evaporator junctions, where said evaporator junctions are at respective positions distributed over a three-dimensional curved surface; and said plurality of branching pin fin heat pipe end portions provide a plurality of condensers and said condensers meet said main tube at condenser junctions, where said condenser junctions are at respective positions distributed over a three-dimensional curved surface. - View Dependent Claims (20, 23)
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Specification