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1. 发明专利

JP2014015848A Exhaust emission control device of vehicle 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2014015848A
公开(公告)日：2014-01-30
申请号：JP2012151734
申请日：2012-07-05
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： TAKAHASHI YOSHINORI , KAMINAGA HIROYUKI
IPC分类号： F01N3/24 , B01D53/86 , B01D53/94 , F01N3/02 , F01N3/021 , F01N3/08
CPC分类号： Y02A50/2325
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device of a vehicle which has low exhaust resistance, smoothly and readily treats exhaust, and prevents a catalyst from damaging or the like.SOLUTION: An exhaust emission control device of a vehicle includes: an exhaust pipe for allowing exhaust discharged from an internal combustion engine to flow; an oxidation catalyst in which unburnt components contained in the exhaust are subjected to an oxidation treatment; a particulate capturing filter provided downstream of the oxidation catalyst in the exhaust direction and for capturing particulates in the exhaust; a DPF container for housing the oxidation catalyst and the particulate capturing filter; an opening connection provided between the exhaust pipe and the DPF container and in which a cross-sectional area breaking on the vertical surface in the exhaust direction increases with the distance from the exhaust pipe to the DPF container; and a fin member provided inside the opening connection and in which a blade inclining in the exhaust direction stirs exhaust passing through the opening connection.
摘要翻译：要解决的问题：提供一种具有低排气阻力，平稳且容易处理排气并防止催化剂损坏等的车辆废气排放控制装置。解决方案：车辆的废气排放控制装置包括：用于允许从内燃机排出的排气的排气管流动; 对排气中含有的未燃成分进行氧化处理的氧化催化剂; 颗粒捕获过滤器，其设置在所述氧化催化剂的排气方向的下游，并且用于捕获排气中的微粒; 用于容纳氧化催化剂和颗粒捕集过滤器的DPF容器; 设置在排气管和DPF容器之间的开口连接，其中在排气方向上在垂直表面上断开的横截面积随着从排气管到DPF容器的距离而增加; 以及翅片构件，其设置在所述开口连接部的内部，并且其中在排气方向上倾斜的叶片搅动通过所述开口连接的排气。

2. 发明专利

JP2012036860A Device for diagnosing catalyst degradation 审中-公开
标题翻译：用于诊断催化降解的装置
公开(公告)号：JP2012036860A
公开(公告)日：2012-02-23
申请号：JP2010178840
申请日：2010-08-09
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： TAKAHASHI YOSHINORI
IPC分类号： F01N3/20 , B01D53/94 , F01N3/08
CPC分类号： Y02A50/2345 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide a device for diagnosing catalyst degradation, in which a cost increase is suppressed and which can determine to what extent a catalyst has degraded.SOLUTION: The device for diagnosing the catalyst degradation includes: an oxidation catalyst 23 which is provided in an exhaust passage of an engine 10; a first NOx sensor 41 which is provided on the downstream side of the oxidation catalyst 23 and which detects a first NOx value as the amount of NOx contained in exhaust gas after passage through the oxidation catalyst 23; a second NOx value obtaining means 32 for obtaining a second NOx value as the amount of NOx contained in exhaust gas immediately after it is discharged from the engine 10; an NOvalue obtaining means 33 for obtaining a value of NOcontained in the exhaust gas after the passage through the oxidation catalyst 23, on the basis of the first NOx value detected by the first NOx sensor 41 and the second NOx value obtained by the second NOx value obtaining means 32; and a degradation determining means 34 for determining the degree of the degradation of the oxidation catalyst 23, on the basis of the NOvalue obtained by the NOvalue obtaining means 33 and a temperature of the oxidation catalyst 23.
摘要翻译：要解决的问题：提供一种用于诊断催化剂降解的装置，其中成本增加被抑制并且可以确定催化剂在多大程度上降解的装置。解决方案：用于诊断催化剂降解的装置包括：设置在发动机10的排气通道中的氧化催化剂23; 第一NOx传感器41，其设置在氧化催化剂23的下游侧，并且检测作为通过氧化催化剂23的废气中所含的NOx的量的第一NOx值; 第二NOx值获取装置32，用于获得第二NOx值作为紧随其从发动机10排出的排气中所含的NOx的量; 用于获得通过氧化催化剂的废气中包含的NO 2 的值的NO 2 值获得装置33 基于由第一NOx传感器41检测到的第一NOx值和由第二NOx值获得装置32获得的第二NOx值，以及根据由NO 2 值确定氧化催化剂23的劣化程度的劣化判定装置34， > 2 值获得装置33和氧化催化剂23的温度。版权所有：（C）2012，JPO＆INPIT

3. 发明专利

JP2012036836A Exhaust emission control device 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2012036836A
公开(公告)日：2012-02-23
申请号：JP2010178034
申请日：2010-08-06
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 , TAKAHASHI YOSHINORI
IPC分类号： F02D35/00 , F01N3/00 , F01N3/08 , F01N3/24
CPC分类号： Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device in which the mixing of exhaust flowing out from a selective reduction catalyst is promoted, and the detection accuracy of an exhaust sensor is improved as a result.SOLUTION: The exhaust emission control device includes: a casing 4a which is provided at an exhaust passage of an engine 20, is formed cylindrical and has an opening 4c at a cylindrical surface; and the selective reduction catalyst 5 provided in the casing 4. The exhaust emission control device further includes: a pipe 8 which is formed as a cylindrical shape having a cross section smaller than the casing 4a, and inserted in a fitted manner from the opening 4c to the inside of the casing 4a; and the exhaust sensor 13 which is attached to the pipe 8, and detects a nitrogen oxide concentration contained in the exhaust.
摘要翻译：解决的问题：提供一种排气排放控制装置，其中促进了从选择还原催化剂流出的排气的混合，结果提高了排气传感器的检测精度。解决方案：废气排放控制装置包括：设置在发动机20的排气通道处的壳体4a，其形成为圆柱形，并且在圆柱形表面上具有开口4c; 以及设置在壳体4内的选择还原催化剂5.废气排放控制装置还包括：管8，其形成为具有小于壳体4a的横截面的圆柱形形状，并且从开口4c以嵌合的方式插入到壳体4a的内部; 以及附接到管8的排气传感器13，并检测排气中含有的氮氧化物浓度。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010116858A Exhaust gas treatment device and exhaust gas treatment method 有权
标题翻译：排气处理装置和排气处理方法
公开(公告)号：JP2010116858A
公开(公告)日：2010-05-27
申请号：JP2008291039
申请日：2008-11-13
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： TAKAHASHI YOSHINORI , TAKEDA YOSHIHISA , IIJIMA GORO
IPC分类号： F01N3/08 , B01D53/86 , B01D53/94 , F01N3/20 , F01N3/24 , F02D9/04
CPC分类号： F01N3/208 , F01N3/021 , F01N3/106 , F01N3/2006 , F01N13/009 , F01N13/0097 , F01N2240/36 , F01N2900/1404 , F01N2900/1622 , Y02T10/24 , Y02T10/26
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas treatment device and an exhaust gas treatment method improving ammonia formation rate from urea and improving NOx conversion efficiency at the time of low exhaust gas temperature at engine start. SOLUTION: The exhaust gas treatment device includes a front stage oxidation catalyst increasing oxidation activity of NO in exhaust gas, SCR catalyst reducing NOx in exhaust gas by ammonia, and a rear stage oxidation catalyst removing ammonia in this order from an upstream side in an exhaust gas passage of an engine, and adds urea water to a part between the front stage oxidation catalyst and the SCR catalyst. The device is provided with a control means adding urea water of a prescribed quantity when the temperature of exhaust gas is less than hydrolysis temperature of urea but not less than evaporation temperature of urea water during engine start, and executing control for raising the exhaust gas temperature up to the hydrolysis temperature of urea. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方案：提供一种废气处理装置和排气处理方法，该方法在发动机起动时排气温度低时提高尿素的氨生成速度，提高NOx的转化效率。解决方案：废气处理装置包括提高废气中NO的氧化活性的前级氧化催化剂，SCR催化剂通过氨还原废气中的NOx，以及后级氧化催化剂从上游侧依次除去氨在发动机的排气通路中，向前级氧化催化剂和SCR催化剂之间的部分添加尿素水。当排气温度低于尿素水解温度但不小于发动机起动时尿素水蒸发温度，并且执行提高排气温度的控制时，该装置设置有加入规定量的尿素水的控制装置达到尿素的水解温度。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2007270646A Exhaust emission control device of vehicular internal combustion engine 审中-公开
标题翻译：汽车内燃机排气控制装置
公开(公告)号：JP2007270646A
公开(公告)日：2007-10-18
申请号：JP2006094217
申请日：2006-03-30
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： TAKAHASHI YOSHINORI , KONDO NOBUHIRO , KODAMA KENJI , TAKEDA YOSHIHISA
IPC分类号： F01N3/20 , B01D53/86 , B01D53/94 , F01N3/02 , F01N3/08 , F01N3/36 , F02D43/00 , F02D45/00
CPC分类号： Y02A50/2322
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device of a vehicular internal combustion engine, which performs a rich spike in the optimal timing in response to a driving operation pattern of a driver, when purging NOx of a storage type NOx catalyst. SOLUTION: When purging the NOx of the storage type NOx catalyst 42, the driving operation pattern (an inter-shift operation time and a maximum engine speed of an engine with every shift stage) of the driver of a vehicle is detected and learnt (10b). The rich spike is performed by setting the timing of the rich spike on the basis of the driving operation pattern of the driver (10a). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种车辆内燃机的废气排放控制装置，其在响应于驾驶员的驾驶操作模式的最佳定时中执行丰富的起搏时，当清除存储型NOx的NOx时催化剂。解决方案：当清除存储型NOx催化剂42的NOx时，检测车辆驾驶员的驾驶操作模式（每个换档阶段的发动机的换档操作时间和最大发动机转速），并且学习（10b）。通过基于驾驶员（10a）的驾驶操作模式来设定丰富尖峰的定时来执行丰富尖峰。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006274910A Exhaust emission control device of internal combustion engine 审中-公开
标题翻译：内燃机排气控制装置
公开(公告)号：JP2006274910A
公开(公告)日：2006-10-12
申请号：JP2005094555
申请日：2005-03-29
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： KONDO NOBUHIRO , KAWATANI SEI , YOKOMURA HITOSHI , TAKAHASHI YOSHINORI , KOTOOKA SHOJIRO , TAKEDA YOSHIHISA
IPC分类号： F01N3/24 , B01D53/86 , B01D53/94 , F01N3/08 , F01N3/20 , F01N3/28 , F02D45/00
CPC分类号： Y02C20/10
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine capable of uniformizing the distribution of the stored amount of NOx in the termination of each of lean operation and rich operation. SOLUTION: This exhaust emission control device comprises an NOx storage catalyst installed in the exhaust passage of the internal combustion engine, having a plurality of flow passages arranged parallel with each other therein, combining the exhaust flows in these flow passages with each other in a series direction, and storing NOx in exhaust gases in lean operation and releasing and reducing NOx stored in rich operation, selector valves disposed in the NOx storage catalyst and capable of reversing the flow direction of the exhaust gases in the flow passages combined with each other in the series direction, a rich operation discriminating means S303 discriminating the time of the termination of rich operation, and a selector valve control means S304 operating the selector valves so that these flow of the exhaust gases in the flow passages combined with each other in the series direction can be reversed a the time of the termination of rich operation. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的废气排放控制装置，其能够在每个稀薄运行和丰富运行的终止中均匀化存储量的NOx的分布。解决方案：该废气排放控制装置包括安装在内燃机的排气通道中的NOx吸收催化剂，其具有彼此平行布置的多个流动通道，将这些流动通道中的排气流彼此组合并且在稀薄运转中将废气中的NOx存储在浓缩运转中，释放并还原储存在丰富运行中的NOx，设置在NOx吸留催化剂中的选择阀，能够使流路中排气的流动方向与每个串联方向的其他方式，丰富的运行判别装置S303判断富运行的结束的时间;以及选择阀控制装置S304，操作选择阀，使得流路中的排气的这些流动相互组合串行方向可以在终止富时操作的时候扭转。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2004116322A Exhaust gas posttreatment device of internal combustion engine 审中-公开
公开(公告)号：JP2004116322A
公开(公告)日：2004-04-15
申请号：JP2002277927
申请日：2002-09-24
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： DOMEKI REIKO , TAKEDA YOSHIHISA , KAWATANI SEI , HIRANUMA SATOSHI , KAWAI KENJI , HASHIZUME TAKESHI , TAKAHASHI YOSHINORI , SHINOZAKI RITSUKO , SAITO SHINICHI
IPC分类号： F01N3/02
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas posttreatment device of an internal combustion engine which can facilitate incinerating and regenerating a filter for collecting a particulate, etc., and which can be simplified. SOLUTION: The exhaust gas posttreatment device of the internal combustion engine includes a filter casing 4 having the filter 6 interposed between a casing inlet 402 and a casing outlet 403, a first hole group H1 having a plurality of inlet holes 11 for guiding an exhaust gas in a first direction, a second hole group H2 formed in the filter in a state which does not interfere with the first group and having a plurality of outlet holes 12 for guiding the exhaust gas in a direction different from the first direction, a transmission passage r1 which can transmit the exhaust gas flowing from the inlet 402 to the holes 11 through a wall (w) between the inlet and the outlet and which can flow out to the outlet 403, a bypass passage r2 for exhausting the gas to the outlet c2 from the inlet c1 of the inlet hole from the outlet via a bypass tube 406, and a controller 8 for controlling a control valve 7 in response to an exhaust pressure pg or a filter temperature. COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2013122228A Front pipe shape of exhaust emission control device 审中-公开
标题翻译：排气控制装置的前管形状
公开(公告)号：JP2013122228A
公开(公告)日：2013-06-20
申请号：JP2011271756
申请日：2011-12-12
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： TAKAHASHI YOSHINORI , KAMINAGA HIROYUKI
IPC分类号： F01N3/24 , F01N13/08
摘要： PROBLEM TO BE SOLVED: To improve durability of DPF and efficiency of NOx reduction control, by generating a swirling flow in exhaust gas in a front pipe and by uniformly distributing a wind of the exhaust gas over the entire upstream region of a DPF emission control device by the swirling flow.SOLUTION: A front pipe shape disposed at an upstream side of an exhaust emission control device 7 includes: a plurality of continuous bent parts 63, 64 formed at an upstream side of a front pipe; and a straight line part 65 continuous to the bent parts 63, 64, having a length equal to or longer than those of the bent parts 63, 64 so that the density of the exhaust gas swirling flow about an axial line of the front pipe becomes uniform.
摘要翻译：要解决的问题：为了提高DPF的耐久性和NOx还原控制的效率，通过在前管中产生排气中的回旋流，并且在DPF的整个上游区域均匀分布排气风排放控制装置的旋流。解决方案：设置在废气排放控制装置7的上游侧的前管形状包括：形成在前管的上游侧的多个连续弯曲部63,64; 以及与弯曲部63,64的长度等于或大于弯曲部63,64的长度的弯曲部63,64连续的直线部65，使得排出气体围绕前管的轴线旋转的密度变为制服。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2013122218A Exhaust emission control device for internal combustion engine and method of detecting deposition of urea 有权
标题翻译：用于内燃机的排气控制装置和检测尿素沉积的方法
公开(公告)号：JP2013122218A
公开(公告)日：2013-06-20
申请号：JP2011271436
申请日：2011-12-12
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： TAKAHASHI YOSHINORI
IPC分类号： F01N3/08
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device for an internal combustion engine and a method of detecting deposition of urea, capable of detecting deposition of urea-derived deposits early and precisely.SOLUTION: An exhaust emission control device 2 includes: a first temperature sensor 36 disposed at a lower end of a communication passage 32 downstream of a supply position of urea water and upstream of an SCR catalyst 8; a second temperature sensor 38 disposed at an upper end of the communication passage 32 immediately above the first temperature sensor 36; and a deposition determining part 40 determining whether an absolute value of a difference ΔT between a first temperature Tmeasured by the first temperature sensor 36 and a second temperature Tmeasured by the second temperature sensor 38 is equal to or more than a predetermined threshold. The deposition determining part 40 determines that urea-derived deposits 30 are deposited in the communication passage 32 when the absolute value of the difference ΔT is equal to or more than the predetermined threshold.
摘要翻译：要解决的问题：提供一种用于内燃机的废气排放控制装置和检测尿素沉积的方法，能够提前和精确地检测尿素沉积物的沉积。解决方案：废气排放控制装置2包括：第一温度传感器36，其设置在尿素水的供给位置和SCR催化剂8的上游的下游的连通通路32的下端; 设置在第一温度传感器36正上方的连通通道32的上端的第二温度传感器38; 以及沉积判定部40，判断由第一温度传感器36测定的第一温度T 1 与第二温度T 2 等于或大于预定阈值。当差值ΔT的绝对值等于或大于预定阈值时，沉积确定部分40确定尿素衍生沉积物30沉积在连通通道32中。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012036837A Diagnostic device for exhaust emission control device 审中-公开
标题翻译：用于排气控制装置的诊断装置
公开(公告)号：JP2012036837A
公开(公告)日：2012-02-23
申请号：JP2010178035
申请日：2010-08-06
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： TAKAHASHI YOSHINORI
IPC分类号： F01N3/18 , F01N3/08 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide diagnostic device for an exhaust emission control device, which correctly diagnoses a decrease in urea water concentration and which discriminates between catalyst degradation and the decrease of the urea water concentration.SOLUTION: The diagnostic device for the exhaust emission control device is applied to a urea SCR system including: an oxidation catalyst 2 with oxidation capacity for components in exhaust gas; a urea water adding device 11 for adding urea water into the exhaust gas; and a selective reduction catalyst 5 for reducing nitrogen oxides in the exhaust gas to nitrogen, from the upstream side of an exhaust passage 16. An exhaust sensor 9 for detecting the concentration of the nitrogen oxides on a downstream side with respect to the selective reduction catalyst 5, and a ratio detecting means 14 for detecting the ratio of the amount of substance of nitrogen dioxide to the amount of substance of nitrogen monoxide contained in the exhaust gas at the downstream side of the oxidation catalyst 2 are provided. Additionally, a determining means 8d for determining whether the urea water concentration is proper, on the basis of the ratio detected by the ratio detecting means 14 and the concentration of the nitrogen oxides detected by the exhaust sensor 9, is provided.
摘要翻译：要解决的问题：为了提供正确地诊断尿素水浓度降低并排除催化剂劣化与尿素水浓度降低之间的废气排放控制装置的诊断装置。解决方案：用于废气排放控制装置的诊断装置应用于尿素SCR系统，其包括：具有用于排气中的组分的氧化能力的氧化催化剂2; 用于将尿素水添加到废气中的尿素水添加装置11; 以及用于从废气通道16的上游侧将排气中的氮氧化物还原为氮气的选择还原催化剂5.一种排气传感器9，其用于检测下游侧的氮氧化物相对于选择还原催化剂的浓度提供了用于检测氧化催化剂2的下游侧的废气中所含的二氧化氮的物质与一氧化氮的物质的量的比例的比率检测装置14。此外，还提供了一种用于基于由比率检测装置14检测到的比例和由排气传感器9检测的氮氧化物的浓度来确定尿素水浓度是否适当的确定装置8d。版权所有（C）2012，JPO＆INPIT

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