| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow engine intake air to be sufficiently cooled by an intercooler as a result of fully ensuring the supply quantity of air currents, caused by vehicle travel, to the intercooler by a device for guiding the air currents and besides allow the structure of the device to be prevented from becoming complicated even in doing this way and further to make it possible to excellently maintain the durability of the device. Ž<P>SOLUTION: The air currents 8, caused by vehicle travel, introduced into a first air duct 12 are guided sequentially through the first air duct 12 and a second air duct 13 to the intercooler 7. In the lateral view (Fig.1) of a mid-course portion 16 in the longitudinal direction of the first air duct 12, an upper end of one duct wall 21, located at a side where the curvature radius of the first air duct 12 is smaller between the curvature radii of right and left duct walls 21, 22 in a cross-section of the second air duct 13, is bent toward an inner side of the second air duct 13, and a virtual extended surface 25 extending downwards along an inner surface of an opening 15 at the downstream end of the first air duct 12 is positioned between the bent piece 23 and an upper end of the duct wall 22 in the second air duct 13. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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