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51. 发明专利

JP2011106360A Urea reduction type scr device for internal combustion engine 审中-公开
标题翻译：用于内燃机的UREA还原型SCR装置
公开(公告)号：JP2011106360A
公开(公告)日：2011-06-02
申请号：JP2009262873
申请日：2009-11-18
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： HIRANUMA SATOSHI , IIJIMA GORO , ARAI SATOSHI , SAITO SHINICHI , SASAKI KENJI , MORI SHINJI
IPC分类号： F01N3/08 , B01D53/94 , F01N3/24
CPC分类号： Y02A50/2325 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide a urea reduction type SCR device for an internal combustion engine, improving fuel economy performance by promoting a mixture of urea water and exhaust gas and reducing a pressure loss caused by disturbing an exhaust gas flow, and improving exhaust performance by reducing adhesion of urea water to an exhaust passage. SOLUTION: A swirl flow generator (30) is configured by combining in a cross shape a first fin (31) with a second fin (32). The first fin and second fin are thin plate members respectively having right blades (31G) and left blades (31H) which are formed by being alternately bent so that a bending angle on the center side of a downstream exhaust pipe (22) is increased and a bending angle on a peripheral side is reduced. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种用于内燃机的尿素还原型SCR装置，通过促进尿素水和废气的混合并降低由排气流动引起的压力损失来提高燃料经济性，以及通过减少尿素水对排气通道的粘附力来提高排气性能。解决方案：旋流产生器（30）通过以十字形状组合第一翅片（31）与第二翅片（32）而构造。第一翅片和第二翅片是分别具有通过交替弯曲形成的右叶片（31G）和左叶片（31H）的薄板构件，使得下游排气管（22）的中心侧的弯曲角度增加，外围侧的弯曲角度减小。版权所有（C）2011，JPO＆INPIT

52. 发明专利

JP2011102557A Diesel particulate filter 审中-公开
标题翻译：柴油颗粒过滤器
公开(公告)号：JP2011102557A
公开(公告)日：2011-05-26
申请号：JP2009257915
申请日：2009-11-11
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： HIRANUMA SATOSHI , IIJIMA GORO
IPC分类号： F01N3/02 , B01D39/20 , B01D46/00
摘要： PROBLEM TO BE SOLVED: To provide a diesel particulate filter capable of preventing fuel efficiency from being deteriorated by reducing the amount of a burnt residue at the outer periphery of a honeycomb filter.
SOLUTION: The honeycomb filter (10) comprises honeycomb segments (30) composed of a plurality of cells (20) formed of porous filtering walls (20a) of silicon carbide. The plurality of honeycomb segments (30) are bonded to one another with silicon adhesives or the like to form a cylindrical honeycomb ceramic carrier. A honeycomb segment (31) located at the center of the honeycomb filter (10) has low density in the number of cells per unit area, and a honeycomb segment (32) located at the outer periphery of the honeycomb filter (10) is set to have high density in the number of cells so that its specific surface area is larger than that of the honeycomb segment (31) located at the center.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过减少蜂窝过滤器外周的燃烧残渣量来防止燃料效率恶化的柴油机微粒过滤器。蜂窝过滤器（10）包括由多个由碳化硅的多孔过滤壁（20a）形成的多个单元（20）构成的蜂窝段（30）。多个蜂窝片段（30）通过硅粘合剂等彼此接合以形成圆筒形蜂窝陶瓷载体。位于蜂窝过滤器（10）的中心的蜂窝段（31）的每单位面积的单元数的密度低，并且设置在蜂窝过滤器（10）的外周的蜂窝段（32）以使其比表面积大于位于中心的蜂窝段（31）的比表面积的高密度。版权所有（C）2011，JPO＆INPIT

53. 发明专利

JP2011099415A Exhaust emission control device for engine 审中-公开
标题翻译：用于发动机的排气排放控制装置
公开(公告)号：JP2011099415A
公开(公告)日：2011-05-19
申请号：JP2009256109
申请日：2009-11-09
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： IIJIMA GORO , HIRANUMA SATOSHI
IPC分类号： F01N3/08 , F01N3/24 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device for an engine capable of uniformly supplying exhaust gas including ammonia generated from urea water to each portion of a SCR (Selective Catalytic Reduction) catalyst, improving NOx elimination performance and avoiding ammonia slip. SOLUTION: A connection pipe 9 is bent and connected to an inlet pipe 10 provided on the outer peripheral face of a downstream side casing 3, and exhaust gas including ammonia is supplied to the SCR catalyst 11 within the casing 3. Although a gap is generated between exhaust gas supply amounts to respective portions of the SCR catalyst 11 due to passage through the bent portion of the connection pipe 9, the gap between the exhaust gas supply amounts is reduced by changing a flow passage of exhaust gas by a flow rate changing plate 21 welded to an opening end of the inlet pipe 10 at an angle α. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题的方案为了提供能够均匀地向SCR（选择性催化还原）催化剂的各个部分均匀地供给由尿素水生成的氨的废气的发动机的废气排放控制装置，提高NOx的排除性能，避免氨滑。解决方案：连接管9弯曲并连接到设置在下游侧壳体3的外周面上的入口管10，并且包括氨的废气被供应到壳体3内的SCR催化剂11上。尽管在通过连接管9的弯曲部分的SCR催化剂11的各部分的排气供给量之间产生间隙，废气供给量之间的间隙通过改变排气的流路而减少变速板21以角度α焊接到入口管10的开口端。版权所有（C）2011，JPO＆INPIT

54. 发明专利

JP2010031718A Exhaust gas purification device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2010031718A
公开(公告)日：2010-02-12
申请号：JP2008193657
申请日：2008-07-28
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： IIJIMA GORO , TAKEDA YOSHIHISA , HIRANUMA SATOSHI , MURATA MINEHIRO
IPC分类号： F01N13/14 , B01D53/86 , B01D53/94 , F01N3/08 , F01N3/24 , F01N3/28 , F01N13/08
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device inhibiting accumulation of solids formed from urea water and securing satisfactory exhaust emission control efficiency. SOLUTION: Communication between an upstream side casing 30 and a downstream side casing 34 is provided by a communication path 32 including a first and a second bending part 32a, 32b, and an ammonia selective reduction NOx catalyst 40 selectively reducing NOx in exhaust gas is held in the downstream side casing 34 as reducing agent. Urea water is injected from an urea water injector 44 to exhaust gas flowing in the communication path 32 from the upstream side casing 30. Heat insulating material 56 inhibiting heat radiation from an inside of the communication path 32 to an outside is provided at a zone covering at least part of zone of an inside wall surface of the communication path 32 where the exhaust gas flowing in the first bending part 32a collides with the first bending part 32a. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种废气排放控制装置，其抑制由尿素水形成的固体的积聚并确保令人满意的废气排放控制效率。解决方案：上游侧壳体30和下游侧壳体34之间的通信由包括第一和第二弯曲部分32a，32b的连通路径32和选择性地还原排气中的NOx的氨选择还原NOx催化剂40提供气体作为还原剂保持在下游侧壳体34中。尿素水从尿素水喷射器44喷射到从上游侧壳体30流入连通路径32的排气。阻止从连通路径32的内部向外部的热辐射的隔热材料56设置在覆盖在第一弯曲部32a中流动的排气与第一弯曲部32a碰撞的连通路径32的内壁面的至少一部分区域。版权所有（C）2010，JPO＆INPIT

55. 发明专利

JP2009270450A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2009270450A
公开(公告)日：2009-11-19
申请号：JP2008119648
申请日：2008-05-01
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： MURATA MINEHIRO , TAKEDA YOSHIHISA , HIRANUMA SATOSHI , IIJIMA GORO
IPC分类号： F01N3/24 , B01D53/94 , F01N3/04 , F01N3/08 , F01N3/28 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of accurately detecting an exhaust temperature.
SOLUTION: An exhaust postprocessing device 28 is constituted to allow exhaust gas flowing out of an exhaust outflow port 30a to flow in a downstream side casing 34 by arranging the exhaust outflow port 30a on a side peripheral wall of a position being the downstream side of a particulate filter 40 of an upstream side casing 30 forming a cylindrical shape. An exhaust temperature sensor 48 is arranged between the particulate filter 40 and the exhaust outflow port 30a in the flowing direction of the exhaust gas in the upstream side casing 30, and installed on the side part peripheral wall of the upstream side casing 30, and the side peripheral wall of the upstream side casing 30 is arranged in the peripheral direction in an outflow port side area A when divided into two areas of the outflow port side area A turning to the exhaust outflow port 30a side and an anti-outflow port side area B turning to the opposite side of the exhaust outflow port 30a side.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够精确地检测排气温度的废气排放控制装置。解决方案：排气后处理装置28构成为通过将排气流出口30a布置在作为下游侧的位置的侧壁上，使排出物从排气流出口30a流出而流入下游侧壳体34 形成圆筒形状的上游侧壳体30的微粒过滤器40的侧面。排气温度传感器48布置在颗粒过滤器40和排气流出口30a之间，在上游侧壳体30中的废气的流动方向上，并且安装在上游侧壳体30的侧部周边壁上，上游侧壳体30的侧壁围绕流出侧侧区域A配置在流出侧侧区域A的周向方向，分流到流出侧侧区域A的两个区域，转向排气流出口30a侧和反流出口侧区域 B转向排气流出口30a侧的相对侧。版权所有（C）2010，JPO＆INPIT

56. 发明专利

JP2009264222A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2009264222A
公开(公告)日：2009-11-12
申请号：JP2008114040
申请日：2008-04-24
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： MURATA MINEHIRO , TAKEDA YOSHIHISA , HIRANUMA SATOSHI , IIJIMA GORO
IPC分类号： F01N3/24 , B01D53/56 , B01D53/74 , B01D53/94 , F01N3/02 , F01N3/08 , F01N3/28
CPC分类号： Y02A50/2325 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of securing excellent exhaust emission control efficiency by suppressing solid mass deposit generated from urea water. SOLUTION: An upstream side casing 30 and a downstream side casing 34 are communicated by a communication passage 32 having first and second bending parts 32a, 32b and an ammonia selective reduction type NOx catalyst 40 for selectively reducing NOx in exhaust emission using an ammonia as a reducing agent is stored in the downstream side casing 34. Solid mass such as urea precipitated from the urea water supplied from an urea water injector 44 and deposited in the communication passage 32 is removed by operating a heater 32c provided in the communication passage 32. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种通过抑制由尿素水产生的固体质量沉积物能够确保优异的废气排放控制效率的废气排放控制装置。解决方案：上游侧壳体30和下游侧壳体34通过具有第一和第二弯曲部分32a，32b的连通通道32和用于选择性地减少废气排放中的NOx的氨选择还原型NOx催化剂40连通，作为还原剂的氨被储存在下游侧壳体34中。通过操作设置在连通通道中的加热器32c来去除从尿素水喷射器44供应并沉积在连通通道32中的尿素水中沉淀的固体物质 32.版权所有（C）2010，JPO＆INPIT

57. 发明专利

JP2009220033A Catalyst device for cleaning exhaust gas 审中-公开
标题翻译：用于清洁排气的催化装置
公开(公告)号：JP2009220033A
公开(公告)日：2009-10-01
申请号：JP2008067850
申请日：2008-03-17
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： FUJITA HIROAKI , TAKEDA YOSHIHISA , HIRANUMA SATOSHI , DOMEKI REIKO , FUKUOKA HIROKI
IPC分类号： B01D53/94 , B01D53/86 , F01N3/08 , F01N3/10 , F01N3/28
CPC分类号： Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide a catalyst device for cleaning an exhaust gas having a plurality of exhaust-gas-cleaning functions while suppressing the loss of an exhaust gas pressure and ensuring excellent exhaust-gas-cleaning performances. SOLUTION: A rear stage catalyst device 42 coated with an ammonia selective reduction catalyst component, as a second catalyst component, which selectively reduces nitrogen oxide in an exhaust gas by using ammonia as a reduction agent on a carrier 42a formed by containing an oxidizing catalyst, a first catalyst component, is arranged in the downstream side of an ammonia selective reduction type NOx catalyst device 40. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于清洁具有多种排气净化功能的排气的催化剂装置，同时抑制废气压力的损失并确保优异的废气净化性能。解决方案：涂覆有氨选择还原催化剂组分作为第二催化剂组分的后段催化剂装置42，其通过在载体42a上使用氨作为还原剂选择性地还原废气中的氮氧化物，所述载体42a通过含有氧化催化剂，第一催化剂组分，布置在氨选择还原型NOx催化装置40的下游侧。版权所有（C）2010，JPO＆INPIT

58. 发明专利

JP2009091930A Exhaust braking device of vehicle 审中-公开
标题翻译：汽车排气制动装置
公开(公告)号：JP2009091930A
公开(公告)日：2009-04-30
申请号：JP2007261730
申请日：2007-10-05
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： MURATA MINEHIRO , TAKEDA YOSHIHISA , FUJITA HIROAKI , HIRANUMA SATOSHI , IIJIMA GORO
IPC分类号： F02D9/06
摘要： PROBLEM TO BE SOLVED: To provide an exhaust braking device of a vehicle capable of achieving improvement in performance of an exhaust emission control system by preventing thermal capacity of an exhaust system from increasing due to heat capacity of an actuator which drives opening and closing operations of an exhaust braking valve to thereby reduce the thermal capacity of the exhaust system.
SOLUTION: Via a heat insulating member 48, an actuator unit 50 is fixed to a right side surface 42b of a casing 42 of the exhaust braking valve 41 provided in an exhaust pipe 20. A lower end of a bracket 52 is fixed to a left side surface 42a of the casing 42 via a heat insulating member 54, while an upper end of the bracket 52 is fixed to the actuator unit 50. Thus, the actuator unit 50 is separated thermally from the casing 42 by these heat insulating members 48, 54.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过防止排气系统的热容量由于驱动开口的致动器的热容量而增加而能够实现废气排放控制系统性能的提高的排气制动装置，以及关闭排气制动阀的操作，从而降低排气系统的热容量。解决方案：通过绝热构件48，致动器单元50固定在设置在排气管20中的排气制动阀41的壳体42的右侧表面42b上。支架52的下端固定经由绝热构件54到壳体42的左侧表面42a，而支架52的上端固定到致动器单元50.因此，致动器单元50通过这些隔热件与壳体42热分离成员48，54。版权所有（C）2009，JPO＆INPIT

59. 发明专利

JP2009085172A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2009085172A
公开(公告)日：2009-04-23
申请号：JP2007258717
申请日：2007-10-02
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： FUJITA HIROAKI , TAKEDA YOSHIHISA , HIRANUMA SATOSHI , KODAMA KENJI , DOMEKI REIKO , SAITO SHINICHI , MURATA MINEHIRO , FUKUOKA HIROKI , YAMAZAKI SATOSHI , SUZUKI YASUKO , IIJIMA GORO
IPC分类号： F01N3/08 , B01D53/86 , B01D53/94
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of maintaining exhaust emission control efficiency of an ammonia selective reduction type NOx catalyst excellent by starting to feed urea into exhaust gas when exhaust gas temperature is lower than before. SOLUTION: An ECU 46 controls feeding of urea from a urea water injector 40 into an exhaust passage according to the operating condition of an engine 1, thereby ammonia formed from the urea is fed to an ammonia selective reduction type NOx catalyst 36, and NOx in the exhaust gas is selectively reduced with the ammonia as a reducing agent. When accumulated quantity Qi within the exhaust passage of isocyanic acid which is intermediate product formed along with the ammonia when the ammonia is formed from the urea fed into the exhaust gas reaches the upper limit of isocyanic acid accumulated quantity Qimax, the ECU 46 inhibits feeding of the urea water from the urea water injector 40. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题的方案：提供一种废气排放控制装置，其能够通过在排气温度低于以前开始将尿素供给到废气中时，维持优选的氨选择还原型NOx催化剂的废气排放控制效率。解决方案：根据发动机1的运行状态，ECU46控制尿素从尿素水喷射器40进入排气通道，由尿素形成的氨进料到氨选择还原型NOx催化剂36，并且以氨作为还原剂选择性地还原废气中的NOx。当由从供给到排气中的尿素形成氨而形成的中间产物的异氰酸的排气通路内的累积量Qi达到异氰酸累积量Qimax的上限时，ECU46禁止来自尿素水喷射器40的尿素水。版权所有（C）2009，JPO＆INPIT

60. 发明专利

JP2009024629A Exhaust emission control system of internal combustion engine 有权
标题翻译：内燃机排气排放控制系统
公开(公告)号：JP2009024629A
公开(公告)日：2009-02-05
申请号：JP2007189525
申请日：2007-07-20
申请人： Mitsubishi Fuso Truck & Bus Corp , 三菱ふそうトラック・バス株式会社
发明人： SUZUKI YASUKO , FUJITA HIROAKI , HIRANUMA SATOSHI , SAITO SHINICHI , NAKAYAMA MIO
IPC分类号： F01N3/24 , B01D53/94 , F01N3/08 , F01N13/08
CPC分类号： F01N3/0231 , B01D53/90 , B01D53/9431 , B01D2251/2062 , F01N3/035 , F01N3/0821 , F01N3/2066 , F01N13/009 , F01N13/0093 , F01N13/0097 , F01N2240/20 , F01N2570/18 , F01N2610/02 , F01N2610/08 , F01N2610/14 , F02B37/00 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control system of an internal combustion engine capable of attaining concurrently the excellent mixing of an additive agent and exhaust gas and the uniform diffusion-atomization of the additive agent into the exhaust gas, thus enabling a catalyst device to exhibit maximum control capability.
SOLUTION: A Venturi-shaped mixing chamber 13 is provided on the upstream side of an SCR catalyst 16 in an exhaust pathway 10. A fin device 18 for generating a swirl flow is arranged at an uppermost-stream position in the mixing chamber 13, and an injection nozzle 19 for emitting a jet of a urea water solution is arranged at the upstream side of a throttle 13b of the mixing chamber 13 and the downstream side of the fin device 18. Consequently, both a distance Lf from the fin device 18 to the throttle 13b and a distance Ln from the injection nozzle 19 to the SCR catalyst 16 are made longer as compared to the case that the injection nozzle 19 is disposed in the throttle 13b.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够同时实现添加剂和废气的优异混合以及添加剂均匀扩散雾化到废气中的内燃机的废气排放控制系统，因此使催化剂装置具有最大的控制能力。解决方案：在排气路径10中的SCR催化剂16的上游侧设置有文丘里型混合室13.用于产生涡流的翅片装置18布置在混合室中的最上游位置如图13所示，并且在混合室13的节流孔13b和翅片装置18的下游侧的上游侧配置有用于发射尿素水溶液的喷射的喷嘴19.因此，与翅片的距离Lf 与喷射喷嘴19配置在节气门13b的情况相比，将节气门13b的装置18和从喷射喷嘴19到SCR催化剂16的距离Ln设为较长。版权所有（C）2009，JPO＆INPIT

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