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    • 9. 发明专利
    • Secondary air supplying structure of internal combustion engine
    • 内燃机二次空气供应结构
    • JP2006037862A
    • 2006-02-09
    • JP2004219883
    • 2004-07-28
    • Futaba Industrial Co LtdToyota Motor Corpトヨタ自動車株式会社フタバ産業株式会社
    • KUNIYASU FUMIHIROJINDA MASAHIRO
    • F01N3/30F01N13/08F01N13/10
    • F01N3/34F01N13/10F01N2260/18Y02T10/20
    • PROBLEM TO BE SOLVED: To provide the secondary air supplying structure of an internal combustion engine, improving strength of a secondary air supplying passage, saving a space, preventing rust, reducing a cost, lightening a weight, simplifying a structure, and preventing thermal damage to other parts.
      SOLUTION: An extended part 210 projected to an upper side is provided corresponding to the number of cylinders, and a secondary air distributing passage 210a is provided in each extended part 210. A seat surface 210b along the outline shape of a secondary air supplying pipe 300 is formed on the surface of the extended part 210 on which the secondary air supplying pipe 300 abuts, and the secondary air distributing passage 210a is arranged to be inclined downward from a secondary air supplying pipe 300 side toward the cylinder exhaust system of a cylinder head 400.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供内燃机的二次空气供给结构,提高二次空气供给通路的强度,节省空间,防止生锈,降低成本,减轻重量,简化结构,以及 防止对其他部件的热损伤。 解决方案:对应于气缸数量设置了向上侧突出的延伸部210,并且在每个延伸部210中设置有二次空气分配通道210a。沿着二次空气的轮廓形状的座面210b 供给管300形成在二次空气供给管300邻接的延伸部210的表面上,二次空气分配通道210a从二次空气供给管300侧朝向气缸排气系统 气缸盖400.版权所有(C)2006,JPO&NCIPI