| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure of an exhaust pipe, which connects primary exhaust pipes to secondary exhaust pipes with less number of part items and shortening the distance therebetween. SOLUTION: After the downstream side ends 1b, 2b of two primary exhaust pipes among four primary exhaust pipes are fixedly welded, they are fitted to the upstream side end 51 of a connection pipe 5A and fixedly welded with each other. After the downstream side ends 3b, 4b of the other two primary exhaust pipes are fixedly welded, they are fitted to the upstream side end 51 of the connection pipe 5B and fixedly welded to each other. After the wide flat plate parts 52a, 52a of the downstream side ends 52, 52 of the connection pipes 5A, 5B are abutted on each other and fixedly welded to each other, the downstream side ends 52, 52 are fitted to the upstream side end 6a of the secondary exhaust pipes and fixedly welded to each other. COPYRIGHT: (C)2008,JPO&INPIT
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