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    • 2. 发明专利
    • Support structure of exhaust gas after-treatment device
    • 排气后处理装置的支撑结构
    • JP2013123952A
    • 2013-06-24
    • JP2011272489
    • 2011-12-13
    • Mitsubishi Fuso Truck & Bus Corp三菱ふそうトラック・バス株式会社
    • OKAMURA KOJI
    • B60K13/04F01N3/00F01N13/00F01N99/00
    • PROBLEM TO BE SOLVED: To provide a support structure of an exhaust gas after-treatment device, improving the ease of installation of the exhaust gas after-treatment device and thereby improving the productivity and fuel economy of vehicles while attaining reduction in size, weight reduction and simplification of the support structure.SOLUTION: The support structure 1 of the exhaust gas after-treatment device 2 includes: a plurality of frame side brackets 8 provided side by side on the side of a frame 6 of a vehicle and having lower ends closed and grooves extending vertically; a plurality of device side brackets 10 provided side by side on the body of the exhaust gas after-treatment device and having insertion parts extending vertically for insertion in the grooves of the respective frame side brackets from above, respectively; and press members 12 pressing the device side brackets from above with the insertion parts inserted in the grooves to position and fix the device side brackets relative to the frame side brackets.
    • 要解决的问题:为了提供废气后处理装置的支撑结构,提高废气后处理装置的安装容易性,从而提高车辆的生产率和燃料经济性,同时实现尺寸减小 ,减轻重量并简化支撑结构。 解决方案:废气后处理装置2的支撑结构1包括:多个框架侧支架8,其在车辆的框架6的侧面上并排设置,并且具有下端封闭,并且垂直地延伸的槽 ; 多个装置侧支架10并列设置在废气后处理装置的主体上,并且具有分别从上方插入到各个框架侧支架的槽中的垂直延伸的插入部分; 并且按压构件12从上方按压装置侧支架,其中插入部分插入槽中,以使装置侧支架相对于框架侧支架定位和固定。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Exhaust emission control system for internal combustion engine
    • 用于内燃机的排气排放控制系统
    • JP2010019082A
    • 2010-01-28
    • JP2008177801
    • 2008-07-08
    • Mitsubishi Fuso Truck & Bus Corp三菱ふそうトラック・バス株式会社
    • OKAMURA KOJI
    • F01N3/08B01D53/86B01D53/94F01N3/24
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control system for an internal combustion engine capable of miniaturizing the exhaust emission control system by achieving homogeneous diffusion and atomization of urea water solution into exhaust gas, and inhibiting accumulation of urea at a restriction part by preventing deposition of urea. SOLUTION: The exhaust emission control system 22 is provided with an upstream side casing 24 having a fore-oxidation catalyst 30 and DPF 32 built therein, a catalyst chamber 34 connected to the upstream side casing 24 and having a SCR catalyst 36 and an after-oxidation catalyst 38 built therein, a Venturi-tube-shaped downstream side casing 26 forming a mixing chamber 28 positioned at an upstream side of the SCR catalyst 36, a fin device 39 provided at the most upstream position in the mixing chamber 28 and generating turning flow of exhaust gas, and an injection nozzle 46 provided at an upstream side of the restriction part 28c of the mixing chamber 28 and downstream side of the fin deice 39, and injecting urea water solution. The downstream side casing 26 is formed as one unit and a lower part bottom wall of the mixing chamber 28 is formed in a smooth surface without a joint. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够通过使尿素水溶液均匀扩散和雾化到废气中并能够抑制尿素在限制下的积累而能够使废气排放控制系统小型化的内燃机的废气排放控制系统 部分通过防止尿素沉积。 解决方案:废气排放控制系统22设置有具有前氧化催化剂30和内置其中的DPF 32的上游侧壳体24,与上游侧壳体24连接并具有SCR催化剂36的催化剂室34和 内置的氧化后催化剂38,形成位于SCR催化剂36的上游侧的混合室28的文丘里管状下游侧壳体26,设置在混合室28的最上游位置的翅片装置39 并产生排气的转向流,以及设置在混合室28的限制部28c的上游侧和散热片39的下游侧的喷射喷嘴46,并且喷射尿素水溶液。 下游侧壳体26形成为一个单元,并且混合室28的下部底壁形成为没有接头的平滑表面。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Device for controlling exhaust emission
    • 用于控制排气的装置
    • JP2011052667A
    • 2011-03-17
    • JP2009204872
    • 2009-09-04
    • Mitsubishi Fuso Truck & Bus Corp三菱ふそうトラック・バス株式会社
    • OKAMURA KOJI
    • F01N3/08B01D53/94F01N3/24
    • PROBLEM TO BE SOLVED: To provide an excellent device for controlling exhaust emission for an internal combustion engine, which atomizes a reducing agent collided by arranging a collision surface at approximately right angles with respect to the flow of the reducing agent injected from an injection nozzle, and promotes efficient reduction action by uniforming the mixing of the reducing agent into exhaust gas. SOLUTION: This exhaust emission control device 2 includes the reducing agent injection nozzle 6 injecting the liquid reducing agent, provided on the upstream side of a NOx reduction catalyst reducing and converting nitrogen oxides contained in exhaust gas from the engine 1. In the exhaust emission control device, the injection port 64 of the injection nozzle 6 and the collision surface 62 atomizing the reducing agent are opposingly arranged, and an atomizing member 61 having the collision surface 62 is integrated with the injection nozzle 6 through a stay 63. Thereby, the device is manufactured while accurately maintaining a relative dimension between the injection port 64 and the collision surface 62. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于控制内燃机的排气排放的优良装置,其通过将相对于从喷射的还原剂的流动以大致正交的角度布置碰撞表面而将还原剂雾化而进行雾化 并且通过均匀地将还原剂混合到废气中来促进有效的还原作用。 解决方案:该废气排放控制装置2包括还原剂注入喷嘴6,其注入还原剂,设置在NOx还原催化剂的上游侧,还原和转化来自发动机1的废气中所含的氮氧化物。在 废气排放控制装置,喷射喷嘴6的喷射口64和雾化还原剂的碰撞面62相对设置,并且具有碰撞面62的雾化部件61通过撑条63与注射喷嘴6一体化。由此, 制造该装置,同时精确地保持注射口64和碰撞面62之间的相对尺寸。版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Exhaust emission control device of internal combustion engine
    • 内燃机排气控制装置
    • JP2003278587A
    • 2003-10-02
    • JP2002076841
    • 2002-03-19
    • Mitsubishi Fuso Truck & Bus Corp三菱ふそうトラック・バス株式会社
    • KATABUCHI MASAYUKIOKAMURA KOJI
    • F01N3/24B01D53/86B01D53/94F01N3/28F02D41/38
    • Y02T10/47
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine, enabling satisfactory achievement of reduction in PM total quantity by burning soot by oxidation and combustion of SOP, and then by surely purifying SOF passing on a catalyst. SOLUTION: An INSOL reducing catalyst 6 for purifying soot is disposed on the upstream side of an exhaust system of an engine 1, and an SOF reducing catalyst 7 for purifying SOF is disposed on the downstream side. After injection is performed after main injection to increase the proportion of SOF in PM. Soot is purified by the INSOL reducing catalyst 6, and the remaining soot left unpurified is burnt with SOF easy to oxidize. Further, the SOF passing the INSOL reducing catalyst 6 is purified by the SOF reducing catalyst 7 at the subsequent stage. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种内燃机的废气排放控制装置,能够通过SOP的氧化和燃烧燃烧烟灰而令人满意地实现PM总量的降低,然后确保纯化通过催化剂的SOF 。 解决方案:用于净化烟灰的INSOL还原催化剂6设置在发动机1的排气系统的上游侧,并且用于净化SOF的SOF还原催化剂7设置在下游侧。 在主注射后进行注射以增加PM中SOF的比例。 烟灰通过INSOL还原催化剂6纯化,剩余的未纯化的烟灰被SOF燃烧,容易氧化。 此外,通过SO 4还原催化剂6的SOF在后续阶段被SOF还原催化剂7纯化。 版权所有(C)2004,JPO