| 摘要 |
PROBLEM TO BE SOLVED: To maintain or improve cooling performance of cooling fins by rapidly discharging generated vapor, in an ebullient cooling device. SOLUTION: The ebullient cooling device 1 includes refrigerant flow paths 10, cooling fins 12 and a vapor discharge path 14, and is installed in a vertical placement. A fin surface of the cooling fin 12 is formed at a predetermined elevation angle from a root toward a tip. The refrigerant passes through a narrow flow path between the fins, and boils in a process of cooling a heat generating element. The generated vapor is easily discharged to the vapor discharge path 14 by the fin surfaces formed at the elevation angle. COPYRIGHT: (C)2010,JPO&INPIT
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