Parallel Flow Heat Exchangers Incorporating Porous Inserts
First Claim
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1. A parallel flow (minichannel or microchannel) heat exchanger comprising:
- an inlet manifold extending longitudinally and having an inlet opening for conducting the flow of a fluid into said inlet manifold and a plurality of outlet openings for conducting the flow of fluid transversely from said inlet manifold;
a plurality of channels aligned in substantially parallel relationship and fluidly connected to said plurality of outlet openings for conducting the flow of fluid from said inlet manifold; and
an outlet manifold fluidly connected to said plurality of said channels for receiving the flow of fluid therefrom;
wherein said heat exchanger contains at least one porous member positioned within the flow path of said heat exchanger.
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Abstract
A parallel flow (minichannel or microchannel) evaporator includes a porous member inserted at the entrance of the evaporator channels which provides refrigerant expansion and pressure drop controls resulting in the elimination of refrigerant maldistribution and prevention of potential compressor flooding.
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Citations
40 Claims
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1. A parallel flow (minichannel or microchannel) heat exchanger comprising:
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an inlet manifold extending longitudinally and having an inlet opening for conducting the flow of a fluid into said inlet manifold and a plurality of outlet openings for conducting the flow of fluid transversely from said inlet manifold; a plurality of channels aligned in substantially parallel relationship and fluidly connected to said plurality of outlet openings for conducting the flow of fluid from said inlet manifold; and an outlet manifold fluidly connected to said plurality of said channels for receiving the flow of fluid therefrom; wherein said heat exchanger contains at least one porous member positioned within the flow path of said heat exchanger. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A parallel flow (minichannel or microchannel) heat exchanger comprising:
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an inlet manifold extending longitudinally and having an inlet opening for conducting the flow of a fluid into said inlet manifold and a plurality of outlet openings for conducting the flow of fluid transversely from said inlet manifold; a plurality of channels aligned in substantially parallel relationship and fluidly connected to said plurality of outlet openings for conducting the flow of fluid from said inlet manifold; and an outlet manifold fluidly connected to said plurality of said channels for receiving the flow of fluid therefrom; wherein said heat exchanger contains at least one porous member positioned within the flow path of said heat exchanger, wherein said porous member is designed to provide for at least one of an expansion control and a pressure drop control in the system. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification