| 摘要 |
PROBLEM TO BE SOLVED: To perform a reduction in width without lowering performance of a heat exchanger by forming a width of the exchanger in a ventilating direction of the air flowing through corrugated fins in a specific range, and setting an inclining angle of louvers to the ventilating direction to a specific range. SOLUTION: In the heat exchanger, a width of a wind direction is desired to be formed in a range of 30 to 57 mm to deal with a space conservation of an air conditioner itself and a space conservation of a vehicle itself. Each of fins 5 has bends 11a, 11b brought into contact with and connected to a refrigerant channel of a tube element 4 and flat parts 12 disposed between the bends 11b brought into contact with one tube element 4, and has a predetermined fin height Fh corresponding to a distance between the channels of the adjacent elements 4, and a fin pitch Fp of a distance between the vertexes of the bends 11a brought into contact with and connected to the one side element 4. An angle of the louver is set to 28 to 55 deg..
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