| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust pipe line structure for a vehicle capable of suppressing reduction of purifying performance of a catalytic converter due to a restriction to an exhaust pipe line layout. SOLUTION: An exhaust manifold 11 is extended in an almost horizontal direction from an exhaust port of a diesel engine and is then bent downward at a bend part 15 on a downstream side. A downstream end of the exhaust manifold 11 is connected to a catalyst case 12 which is arranged on a lateral side of the diesel engine with its axis directed vertically. A constricted portion 15c is formed on an outer corner 15a of the bend part 15 for moving an exhaust gas flow on the upstream side of the catalyst case 12 to an inner corner 15b side of the bend part 15. COPYRIGHT: (C)2006,JPO&NCIPI
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