| 摘要 |
A heat exchanger comprising a plurality of flat tubes for heat exchange between a first fluidum flowing inside said tubes and a second fluidum flowing outside of said tubes, a pair of manifolds conected to the end of the flat tubes and provided with an inlet and na outlet for introducing the first fluidum into the flat tubes and for discharging therefrom, each manifold being provided with at least two parallel channels, at least part of the walls of the channel having a curved surface. The partition wall between any of two adjacent channels is provided with two parallel substantially flat surfaces facing the channels, thereby enabing the free flow of the heat exchanging fluid through the manifold and the tubes.
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