| 摘要 |
PURPOSE:To make calking device for heat transfer fin unnecessary by a method wherein multiple heat transfer fins, which are bent into U-shape substantially, are fitted into the neighboring grooves of a sheet. CONSTITUTION:The heat transfer fin 12 is bent into U-shape substantially and multiple cut grooves 14 are formed on the sheet 13 formed by rubber while the ends of the heat transfer fin 12 are fitted into the neighboring cut grooves 14 of the sheet 13. In this case, the thickness of the heat transfer fin 12 is made somewhat larger than the width of the cut groove 14 and the space, enclosed by the heat transfer fin 12 and the sheet 13, is utilized as second path 11 while the space, formed by the neighboring heat transfer fins 12, is utilized as the first path 8. The sheet 13 is provided on the upper surface of the heat exchanging device while a suction port 2 and a delivery port 3 on the ceiling surface of a control board 1 are being opened. Accordingly, the calking device is not necessitated for the working of the heat transfer fin 12 and boring for communicating the suction port 2 and the delivery port 3 is not necessitated. |
