| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular heat exchanger equipped with gas coolers for air-conditioning coolant and a radiator for engine cooling water, and capable of improving performance at the time of heating by using waste heat of the radiator. SOLUTION: The vehicular heat exchanger comprises the radiator 2 carrying out radiation of the cooling water, the first gas cooler installed on an upstream side of cooling air in regard to the radiator 2, and the second gas cooler 4 installed on a downstream side of the cooling air in regard to the radiator 2. The first gas cooler 3 radiates the coolant at the time of cooling, and the first and second gas coolers 3, 4 absorb heat at the time of heating. COPYRIGHT: (C)2006,JPO&NCIPI
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