| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular heat exchanger capable of improving performance by maximally securing a core area in limited mounting space while securing easiness of piping connection work. SOLUTION: A header pipe 7 provided with a heat exchanger outlet tank part 17B composing a most downstream side of a core is provided with a main pipe part 17 having a primary function of the header pipe 7, and an auxiliary pipe part 19 arranged in parallel with the main pipe part 17 and communicated with the heat exchanger outlet tank part 17B. By the auxiliary pipe part 19, piping connection workability of a conventional level can be secured. Since the main pipe part 17 and the auxiliary pipe part 19 share one wall (a partition wall part) 15, distinct from a conventional structure provided with an auxiliary pipe aside from a header pipe, there is no protrusion due to the auxiliary pipe or a support means such as a bracket, and the core area can be maximally secured in the limited mounting space. COPYRIGHT: (C)2004,JPO&NCIPI
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