| 摘要 |
PROBLEM TO BE SOLVED: To efficiently improve heat radiating performance of a radiator by spraying water. SOLUTION: In the radiator, a recess H is arranged on a nozzle opposed surface of a water tube 211, and the water injected from a nozzle for improving the heat radiating performance is stuck to this recess H. A through part for communicating the inside and outside of the recess H is arranged on a side wall of the water tube 211 for forming the recess H, and the water held in the recess H may be supplied to a fin 212. COPYRIGHT: (C)2004,JPO
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