| 摘要 |
A heat exchanger has a modular construction to create uniformity among several of its components. The heat exchanger utilizes concentric tubes, with one fluid flowing through the inner tube, and the other fluid flowing through the annular space in the outer tube. The inner tube fluid flows back over the outer tube, further exchanging heat, as it is discharged. The heat exchanger includes four cup-shaped modules that nest or slide together. Each module includes a sleeve with a port for one of the fluids. Each module also has a convex portion that slides sealingly into an adjacent module and contains holes for the tubes. The tubes are sealed into the holes in the convex portions, causing each module to define one of the four manifolds necessary for the operation of the heat exchanger.
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