| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchanger having a good heat exchange property, easily detecting leakage, and suitable for reducing a size, in consideration of a problem that a conventional heat exchanger having a leakage detecting function is provided with a new leakage detecting part and thus material cost and production cost increase and a size of the heat exchanger itself increases. SOLUTION: The heat exchanger is provided with a tube 1 for distributing a low temperature fluid, a tube 2 arranged so as to be sandwiched by more than two of the tubes 1, joined by the tube 1 and a joint material 5, for distributing a high temperature fluid, and a gap part 4 surrounded by the tube 1, tube 2, and joint material 5. COPYRIGHT: (C)2005,JPO&NCIPI
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