公开(公告)号：EP1388650A4

公开(公告)日：2004-07-14

申请号：EP02707222

申请日：2002-03-28

Applicant: HONDA MOTOR CO LTD

Inventor： SOUMA MIYUKI ,  FURUMATA SEIJI

IPC: F01N13/08 ,  F01N13/10 ,  F01N13/18 ,  F16L27/053 ,  F01N7/08 ,  F01N7/10 ,  F01N7/18

CPC classification number: F16L27/053 ,  F01N13/08 ,  F01N13/10 ,  F01N13/1811 ,  F01N13/1827 ,  F01N2450/24 ,  F01N2470/06 ,  F01N2530/26

Abstract: An exhaust manifold collecting part connection structure, comprising the collecting tube (4) for the branched tubes (2) connected to an exhaust tube (14) of the exhaust manifold (1) of a multi-cylinder internal combustion engine through a spherical joint (17), the collecting tube (4) formed in a double tube further comprising a collecting tube body (5) and an outer tube (6) covering the outer periphery thereof, wherein an annular space part (C) is formed therebetween, and the collecting tube body (5), outer tube (6), and the tubular fitted part (8f) of the flange (8) of the spherical joint (7) fitted to the outer tube (6) are connected integrally with each other by welding (W), whereby the number of production processes and the number of parts can be reduced to reduce the cost of the exhaust manifold collecting part connection structure.

Abstract translation: 用于多缸内燃机的排气歧管连接结构包括集中管（4），其集中在多缸内燃机的排气歧管（1）的保持分支管（2）上，以及球形接头（7） 管（4）和排气管（14）。 收集管（4）是包括收集管体（5）和放置在收集管体（5）上的外管（6）的双壁管结构，以便在收集管体 （5）和外管（6）。 包括在球形接头（7）中的第一凸缘（8）的收集管体（5），外管（6）和管状凸台（8f）通过焊接接合在一起。 排气歧管连接结构需要减少制造工艺数量和少量部件，并且可以以低成本制造。