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    • 9. 发明专利
    • Muffler with catalyst for internal combustion engine
    • 内燃机用催化剂消声器
    • JP2006046264A
    • 2006-02-16
    • JP2004231133
    • 2004-08-06
    • Kioritz Corp株式会社共立
    • TSUTSUI KAZUHIRO
    • F01N3/28B01D53/94F01N1/08
    • F01N13/1833F01N1/08F01N3/10F01N3/2885F01N13/002F01N2230/04F01N2590/06
    • PROBLEM TO BE SOLVED: To provide a muffler with a catalyst with an enlarged degree of freedom in designing the position and form of an outlet for exhaust gas. SOLUTION: An expansion chamber 25 is parted by a partition panel 23 disposed between a front outer wall panel 21 and a rear outer wall panel 22 to a first expansion chamber 25A and a second expansion chamber 25B. A diffuser 40 in a cylindrical form having a bottom is disposed in the first expansion chamber 25A. A catalyst 30 for emission control having permeability is engaged and fixed in the diffuser 40. Exhaust from an exhaust port 10 provided in a cylinder 2 is introduced through the catalyst 30 into the first expansion chamber 25A, and from the first expansion chamber 25A, it is introduced through an opening 23e formed in the partition panel 23 to the second expansion chamber 25B to be discharged from the second expansion chamber 25B outward through the outlet 29 formed in the front outer wall panel 21. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:在设计废气出口的位置和形状时,提供具有扩大自由度的催化剂的消音器。 解决方案:膨胀室25由设置在前外壁板21和后外壁板22之间的分隔板23分隔成第一膨胀室25A和第二膨胀室25B。 在第一膨胀室25A中设置有具有底部的圆柱形形状的扩散器40。 用于具有渗透性的排放控制用催化剂30被接合并固定在扩散器40中。设置在气缸2中的排气口10的排气通过催化剂30引入第一膨胀室25A,并且从第一膨胀室25A 通过形成在分隔板23中的开口23e引导到第二膨胀室25B,从第二膨胀室25B通过形成在前外壁板21中的出口29向外排出。版权所有(C)2006 ,JPO&NCIPI