| 摘要 |
PROBLEM TO BE SOLVED: To provide an inter-cooler duct capable of preventing generation of airflow noise of compressed air flowing-down from a turbo-charger without any need for changes in present assembly layout. SOLUTION: This inter-cooler duct, which is connected between the turbo-charger and an inter-cooler and formed with a plurality of bent portions bent in a 3D form, comprises a protrusion for generating a turbulent flow in the compressed air flowing-down from the turbo-charger, on the upstream inner periphery of the bent portion positioned on the most upstream side in the bent portion. COPYRIGHT: (C)2004,JPO&NCIPI
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