| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve cooling performance of a second heat exchanger in a cooling system having the second heat exchanger arranged in an air flow downstream side of a first heat exchanger and having a high-temperature region in the first heat exchanger where the temperature of air which has passed through the first heat exchanger becomes higher than that of second fluid to be cooled by the second heat exchanger. <P>SOLUTION: In the structure of the second heat exchanger 2, in a second heat exchange core part 2a for performing heat exchange between the second fluid and air, heat exchange performance in a region B where air which has passed through the high-temperature region is flowed in is set smaller than that in the other region in the second heat exchange core part 2a. Specifically, when the second heat exchanger 2 comprises tubes 21 and fins 22, for example, in the region B, the fins 22 are eliminated, a fin pitch is set larger than that in the other region, or the tubes 21 and fins 22 are coated with a coating material comprising a resin material. <P>COPYRIGHT: (C)2008,JPO&INPIT |
