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    • 3. 发明专利
    • Exhaust muffler device
    • 排气装置
    • JP2013160123A
    • 2013-08-19
    • JP2012022010
    • 2012-02-03
    • Honda Motor Co Ltd本田技研工業株式会社
    • MURAKAMI ATSUSHIMAHIRA HIROSHIMASATANI TADAHISAHONMA KENSUKEKOKUBU SHIRO
    • F01N3/28F01N13/08F01N13/18
    • F01N13/08F01N1/089F01N3/28F01N3/2853F01N3/2885F01N13/1844F01N2450/22F01N2590/04
    • PROBLEM TO BE SOLVED: To prevent the intrusion of exhaust gas in large quantities into a mat, and to prevent the generation of a turbulence in a flow of the exhaust gas in the vicinity of the mat, in an exhaust muffler device having a ceramic catalyst body therein.SOLUTION: An exhaust muffler device of an engine includes a catalyst body 80 therein, a diametrically-contractive part 84A is formed by diametrically contracting a holding cylinder 82 for holding the catalyst body 80 inside at an end 84 via a holding mat 81, a downstream tapered pipe 74 of an exhaust pipe upstream part 61A connected to the holding cylinder 82 is fitted to the inner periphery of the diametrically-contractive part 84A of the holding cylinder 82, and the end 84 of the holding cylinder 82 is welded and fixed to the downstream tapered pipe 74 of the exhaust pipe upstream part 61A so that an inner peripheral surface 79 of the downstream tapered pipe 74 of the exhaust pipe upstream part 61A approaches a boundary 86 between the holding mat 81 and the catalyst body 80.
    • 要解决的问题:为了防止废气大量进入垫中,并且在具有陶瓷催化剂的排气消声装置中,防止在垫附近排出气体的流动产生湍流 本发明的发动机的排气消音装置在其中具有催化剂体80,通过径向收缩用于将催化剂体80保持在端部84内的保持筒82通过保持垫81形成的直径收缩部84A 与保持筒82连接的排气管上游部61A的下游锥形管74嵌合在保持筒82的直径收缩部84A的内周,并且保持筒82的端部84被焊接, 固定到排气管上游部61A的下游锥形管74,使得排气管上游部61A的下游锥形管74的内周面79接近边界86 在保持垫81和催化剂体80之间。
    • 4. 发明专利
    • Exhaust device of engine
    • 发动机排气装置
    • JP2014185592A
    • 2014-10-02
    • JP2013061404
    • 2013-03-25
    • Honda Motor Co Ltd本田技研工業株式会社
    • TAJIRI HIDESATOMASATANI TADAHISASHIMOZATO NORIYANAKAMURA MASASHIMAKI OSAMUYAMAGUCHI TAKUMI
    • F01N3/24F01N3/28
    • PROBLEM TO BE SOLVED: To provide an exhaust device of an engine which can be easily manufactured while permitting heat expansion of a catalytic part and preventing the penetration of water droplet.SOLUTION: A downstream side edge of an exhaust pipe 14 is fitted to the inner circumference of an upstream side edge of a catalyst retention cylinder 19. The downstream side edge of the catalyst retention cylinder 19 is set movable in the axial direction. The upstream side edge of a catalyst case 20 is fitted to the outer circumference of the upstream side edge of the catalyst retention cylinder 19. The upstream side edge surface of the catalyst case 20 is arranged so as to be shifted to the downstream side with respect to the upstream side edge surface of the catalyst retention cylinder 19 on the catalyst retention cylinder 19. The upstream side edge surface of the catalyst case 20, the upstream side edge surface of the catalyst retention cylinder 19 and the downstream side outer circumferential surface of the exhaust pipe 14 are fastened with single welding.
    • 要解决的问题:提供一种可以容易地制造的发动机的排气装置,同时允许催化部件的热膨胀并防止水滴的渗透。解决方案:排气管14的下游侧边缘装配到内部 催化剂保持筒19的上游侧边缘的周长。催化剂保持筒19的下游侧边缘设定为可沿轴向移动。 催化剂壳体20的上游侧边缘装配在催化剂保持筒19的上游侧边缘的外周。催化剂壳体20的上游侧边缘表面被布置成相对于 到催化剂保持筒19上的催化剂保持筒19的上游侧边缘表面。催化剂壳体20的上游侧边缘表面,催化剂保持筒19的上游侧边缘表面和下游侧外周表面 排气管14用单次焊接紧固。
    • 5. 发明专利
    • Exhaust emission control device for motorcycle
    • 用于摩托车的排气控制装置
    • JP2010096158A
    • 2010-04-30
    • JP2008270146
    • 2008-10-20
    • Honda Motor Co Ltd本田技研工業株式会社
    • HORIMURA HIROYUKIMIYATA HIROAKIMASATANI TADAHISATAKEDA HIROMITSUTSUJI MASAMITSUITO TEISHO
    • F01N3/34B01D53/94B01J23/46F01N3/10F01N13/08
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device using palladium and showing high exhaust emission control performance. SOLUTION: The exhaust emission control device 10 for a motorcycle includes a single cylinder four cycle engine 12, a carburetor 13 supplying fuel by the intake negative pressure of the engine 12, an exhaust pipe 14 and an exhaust muffler 15 connected to an exhaust port 12B of the engine 12, a catalyst converter 30 provided in an exhaust muffler 15. In the exhaust emission control device, a secondary air introduction device 20 introducing fresh air into the exhaust pipe 14 is provided at an upstream side of a catalytic converter 30, the catalytic converter 30 carries noble metal including palladium (Pd) and rhodium (Rh). A component ratio (weight ratio) of the noble metal is Pd/Rh=20/1-8/1, and a carried quantity of the noble metal is 1059.44-2648.60 g/m 3 . COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种使用钯并显示高排气排放控制性能的废气排放控制装置。 解决方案:用于摩托车的废气排放控制装置10包括单缸四冲程发动机12,通过发动机12的进气负压供应燃料的化油器13,排气管14和排气消声器15, 发动机12的排气口12B,设置在排气消声器15中的催化剂转换器30.在废气排放控制装置中,在催化转化器的上游侧设置有将新鲜空气引入排气管14的二次空气引入装置20 如图30所示,催化转化器30携带包含钯(Pd)和铑(Rh)的贵金属。 贵金属的成分比(重量比)为Pd / Rh = 20 / 1-8 / 1,贵金属的负载量为1059.44-2648.60g / m 3。 版权所有(C)2010,JPO&INPIT