| 摘要 |
PROBLEM TO BE SOLVED: To facilitate brazing by reducing a brazing area in a header tank 2C. SOLUTION: An inner side width dimension of a flow path 101A (101B) in a width direction of the header tank part 2C is made smaller than a width dimension of a tube 4, and a length in a width direction of a middle plate 9C is made smaller than an inner side length of a width direction of a header plate 8A. By this, the brazing area in the header tank part 2C is reduced, and brazing of the heat exchanger 1 is facilitated. COPYRIGHT: (C)2009,JPO&INPIT
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