| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an engine exhaust manifold equipped with collection parts of a plurality of exhaust pipes to secure output performance of an engine, having compactness allowing mounting in a limited mount space and inhibiting a local temperature rise occurring at a portion situated between the plurality of exhaust pipe collection parts. <P>SOLUTION: The exhaust manifold 1A includes first to fourth exhaust pipe branch parts 11, 12, 13, 14 for flow of each exhaust gas from each cylinder of a straight four cylinder engine, the first and second exhaust pipe collection parts 21, 22 collecting the first to fourth exhaust pipe branch parts 11, 12, 13, 14 divided into two upper and lower sides, and a middle cooling passage part 32A provided between the first and second exhaust pipe collection parts 21, 22 for flow of cooling water of the engine. <P>COPYRIGHT: (C)2010,JPO&INPIT |
