| 摘要 |
Tubular heat transferring members are disposed in a shell. A kind of fluid passes through the heat transferring members, while the other kind of fluid flows around the heat transferring members in the direction perpendicular to the flowing direction of the former fluid, to make a heat exchange between these fluids through the heat transferring members. No packing member is needed to ease restriction in pressure applied to the fluid, improving the heat exchange efficiency. There is no occurrence of leakage, improving reliability. The opposite end portions of the heat transferring members serve as an inlet to the inside of the heat transferring members and an outlet therefrom and there is no opening formed in the intermediate portion of the heat transferring members without wasting material in a blanking process for the heat transferring members, thus providing an economic effect.
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