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    • 4. 发明公开
    • MULTI-CYLINDER INTERNAL COMBUSTION ENGINE
    • MEHRZYLINDERVERBRENNUNGSMOTOR
    • EP2426333A1
    • 2012-03-07
    • EP09844004.3
    • 2009-04-28
    • Toyota Jidosha Kabushiki Kaisha
    • UESUGI, Tsuyoshi
    • F01N13/10
    • F01N13/10F01N3/206F01N13/06F01N13/08F02B37/001F02B37/007F02B37/18Y02T10/144
    • An internal combustion engine 1 includes an exhaust manifold 10, which has branch pipes 11a to 11d, a manifold main body 12 to which the branch pipes 11a to 11d are connected at downstream ends of the branch pipes 11a to 11d along the flow of exhaust gas, and a partition 15 located inside the manifold main body 12 to divide an internal space of the manifold main body 12 into a first space S1 including connection portions 111a to 111d at which the branch pipes 11a to 11d are connected and a second space S2 not including the connection portions 111a to 111d. First and second supplying conduits 16, 17 connect a first outer wall 13 of the manifold main body 12 forming the first space S1 to a low pressure turbine LT and a high pressure turbine HT. First and second discharging conduits 18, 19 connect a second outer wall 14 of the manifold main body 12 forming the second space S2 to the turbines LT, HT. An exhaust pipe 20 is connected to the second outer wall 14.
    • 内燃机1包括具有分支管11a至11d的排气歧管10,分支管11a至11d在分支管11a至11d的下游端沿排气流连接的歧管主体12 以及位于歧管主体12内部的分隔件15,以将歧管主体12的内部空间分成包括分支管11a至11d连接的连接部分111a至111d并且第二空间S2不连接的第一空间S1 包括连接部分111a至111d。 第一和第二供应管道16,17将形成第一空间S1的歧管主体12的第一外壁13连接到低压涡轮机LT和高压涡轮机HT。 第一和第二排放管道18,19将形成第二空间S2的歧管主体12的第二外壁14连接到涡轮机LT,HT。 排气管20连接到第二外壁14。