| 摘要 |
PROBLEM TO BE SOLVED: To improve cooling efficiency in using a plurality of cooling fans driven by different driving means. SOLUTION: A cooling unit 10 is constituted by arranging an engine radiator 12 and a condenser 14 in a row in the longitudinal direction of a vehicle and arranging the cooling fan 20 and a fan shroud 26 driven by a fan motor 22 and the cooling fan 18 and a fan shroud driven by an engine in this order. Vent holes 32 are formed and shielding films 34 are provided on the fan shrouds 24, 26, cooling air fed into the fan shroud 24 is fed off out of the vent hole of the fan shroud 24 when the cooling fan 18 stops and the cooling fan 20 is driven, and the cooling air is sucked by the fan shroud from the vent hole of the fan shroud 26 and fed off to the rear side of the vehicle when the cooling fan 20 stops and the cooling fan 18 is driven. COPYRIGHT: (C)2008,JPO&INPIT
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