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1. 发明专利

JP2004148308A Ceramic honeycomb filter and its production method 有权
公开(公告)号：JP2004148308A
公开(公告)日：2004-05-27
申请号：JP2003357983
申请日：2003-10-17
申请人： Hino Motors Ltd , Hitachi Metals Ltd , 日立金属株式会社 , 日野自動車株式会社
发明人： SUWABE HIROHISA , OTSUBO YASUHIKO , FUNAHASHI HIROSHI , NAKAGOME KEIICHI , TSUJITA MAKOTO , MICHISAKA HISATAKA
IPC分类号： F01N3/02 , B01D39/00 , B01D39/20 , C04B38/06
摘要： PROBLEM TO BE SOLVED: To provide a ceramic honeycomb filter with a porosity of partition wall of 60% or more and low pressure loss as a filter collecting particulates exhausted from a diesel engine, which can be stably used for a long period of time, and its production method. SOLUTION: The filter has a honeycomb structural body with a porosity of porous partition wall of 60% or more and an average pore diameter of 15 μm or more, and a maximum value of S n of 0.7 or more expressed by the following equation referring to the slope of the accumulative porous volume distribution of the porous partition wall: S n = - (V n -V n-1 )/(log(D n )-log(D n-1 )) wherein D n is a pore diameter (μm ) at measuring point of n, D n-1 is a pore diameter (μm ) at measuring point of n-1, V n is an accumulative pore volume (cm 3 /g) at measuring point of n, V n-1 is an accumulative pore volume (cm 3 /g) at measuring point of n-1, and S n is a slope at measuring point of n. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2004322082A Ceramic honeycomb filter 有权
公开(公告)号：JP2004322082A
公开(公告)日：2004-11-18
申请号：JP2004105995
申请日：2004-03-31
申请人： Hino Motors Ltd , Hitachi Metals Ltd , 日立金属株式会社 , 日野自動車株式会社
发明人： SUWABE HIROHISA , OTSUBO YASUHIKO , FUNAHASHI HIROSHI , MICHISAKA HISATAKA , NAKAGOME KEIICHI , TSUJITA MAKOTO
IPC分类号： F01N3/02 , B01D39/20
摘要： PROBLEM TO BE SOLVED: To provide a ceramic honeycomb filter used in a continuous regeneration type cleaning apparatus for cleaning fine particles contained in the exhaust gas of a diesel engine, having a structure constituted so as to seal the end parts of the predetermined flow channels of a ceramic honeycomb structure to allow the exhaust gas to pass through porous partition walls for demarcating the flow channels and together having extremely low pressure loss characteristics and strength characteristics capable of withstanding mechanical vibration or impact, a thermal shock, and the like, when used. SOLUTION: This ceramic honeycomb filter is constituted so as to remove fine particles in an exhaust gas by sealing the end parts of the predetermined flow channels of the ceramic honeycomb structure to allow the exhaust gas to pass through the porous partition walls for demarcating the flow channels. The total pore volume of the porous partition walls is 0.55-0.80 cm 3 /g and the volume of pores with a pore size of 100 μm or above thereof is 0.02-0.10 cm 3 /g. COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2012057517A Control method of post-process burner system 有权
标题翻译：后处理燃烧器系统的控制方法
公开(公告)号：JP2012057517A
公开(公告)日：2012-03-22
申请号：JP2010200739
申请日：2010-09-08
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： YOKOTA HARUYUKI , KOMINAMI TETSUICHI , KUNISHIMA HIDEFUMI , MICHISAKA HISATAKA , KIMURA MAKOTO , NAMIMA JUN
IPC分类号： F01N3/025 , F02D9/06
摘要： PROBLEM TO BE SOLVED: To provide a control method of a post-process burner system capable of minimizing accumulation of soot in a burner and occurrence of HC slip, maintaining high combustion performance by preventing occurrence of a faulty ignition, and achieving high reliability.SOLUTION: When an exhaust brake 19 operates during combustion of fuel in the burner, fuel injection from a fuel injection nozzle 15 in the burner is stopped.
摘要翻译：要解决的问题：提供一种后处理燃烧器系统的控制方法，其能够最小化燃烧器中烟灰的累积和HC滑动的发生，通过防止发生故障点火来保持高燃烧性能，并实现高可靠性。解决方案：当排气制动器19在燃烧器中的燃料燃烧期间操作时，燃烧器中的燃料喷射喷嘴15的燃料喷射停止。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011220155A Method and device for preventing fuel freezing in postprocessing burner system 有权
标题翻译：在燃烧器系统中预防燃料冷冻的方法和装置
公开(公告)号：JP2011220155A
公开(公告)日：2011-11-04
申请号：JP2010088263
申请日：2010-04-07
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： MURAMATSU TOSHIKATSU , MICHISAKA HISATAKA
IPC分类号： F01N3/20 , F01N3/02 , F01N3/36
CPC分类号： F01N3/025 , F01N2240/14 , F01N2610/03 , F01N2610/10 , F01N2610/1473 , F01N2610/1486 , F01N2610/1493 , F01N2900/0422 , F01N2900/12 , F02M26/15 , Y02T10/121
摘要： PROBLEM TO BE SOLVED: To prevent freezing in a feed pipe and a return pipe for connecting a burner and a fuel tank even in the case of traveling under the condition of a low outside air temperature.SOLUTION: In the method for preventing fuel freezing in the postprocessing burner system, a burner 14 is disposed on the upstream side of a particulate filter 12 (exhaust purifying material) installed in the middle of an exhaust pipe, fuel is supplied from a fuel tank 16 shared by a diesel engine (engine) to the burner 14 via a feed pipe 17, and excess fuel is returned to the fuel tank 16 via a return pipe 18. Under a condition where the outside temperature is equal to or less than a predetermined temperature during vehicle traveling, fuel is regularly circulated between the burner 14 and the fuel tank 16 via the feed pipe 17 and the return pipe 18.
摘要翻译：要解决的问题：即使在外部空气温度低的情况下行驶的情况下，也可防止供给管和用于连接燃烧器和燃料箱的返回管的冷冻。解决方案：在后处理燃烧器系统中防止燃料冷冻的方法中，燃烧器14设置在安装在排气管中间的微粒过滤器12（排气净化材料）的上游侧，燃料从由柴油发动机（发动机）经由进料管17与燃烧器14共用的燃料箱16，并且多余的燃料经由回流管18返回到燃料箱16.在外部温度等于或等于在车辆行驶期间的预定温度，燃料经由进料管17和返回管18在燃烧器14和燃料箱16之间规则地循环。（C）2012年，JPO和INPIT

5. 发明专利

JP2005163652A Emission control device 审中-公开
标题翻译：排放控制装置
公开(公告)号：JP2005163652A
公开(公告)日：2005-06-23
申请号：JP2003404112
申请日：2003-12-03
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： NARITA HIRONORI , MICHISAKA HISATAKA , NAMIKAWA JINICHI
IPC分类号： F02D45/00 , B01D46/42 , B01D53/94 , F01N3/02 , F01N3/20 , F02D41/04 , F02D41/38
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an emission control device for properly detecting excessive injection of fuel and a large quantity of leakage. SOLUTION: The device comprises a flow-through type oxidation catalyst 14 installed in the middle of an exhaust pipe 11 for passage of exhaust gas 9, a catalyst-regeneration type particulate filter 13, a temperature sensor 15 installed between the oxidation catalyst 14 and the particulate filter 13 for detecting exhaust gas temperature, a fuel addition means 18 for adding fuel into the exhaust gas 9 at the upstream side of the oxidation catalyst 14 and the particulate filter 13, and a controller 20 for activating the fuel addition means 18 based on the detected temperature so that the particulate filter 13 can be regenerated. The controller 20 is constructed to judge whether or not the particulate filter 13 is under regeneration and to compare the temperature of the temperature sensor 15 with a first threshold and judge whether or not it is in an abnormal overheat condition when the particulate filter 13 is under regeneration. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于适当地检测燃料过量喷射和大量泄漏的排放控制装置。解决方案：该装置包括安装在用于排气9的排气管11的中间的流通式氧化催化剂14，催化剂再生型颗粒过滤器13，安装在氧化催化剂之间的温度传感器15 14和用于检测废气温度的微粒过滤器13，用于将燃料添加到氧化催化剂14和微粒过滤器13的上游侧的废气9中的燃料添加装置18以及用于启动燃料添加装置的控制器20 基于检测到的温度，从而能够再生微粒过滤器13。控制器20被构造成判断微粒过滤器13是否处于再生状态，并将温度传感器15的温度与第一阈值进行比较，并且当微粒过滤器13在下面时判断其是否处于异常过热状态再生。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004239074A 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：JP2004239074A
公开(公告)日：2004-08-26
申请号：JP2003025858
申请日：2003-02-03
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： MATSUNAMI OKITOMO , MICHISAKA HISATAKA
IPC分类号： F01N3/02 , B01D46/42 , B01D53/94 , F01N3/24 , F01N3/28 , F01N3/36
摘要： PROBLEM TO BE SOLVED: To prevent clogging of an oxidation catalyst equipped in a front stage of a catalyst regenerative particulate filter. SOLUTION: In this exhaust emission control device, a filter case 12 is interposed in the middle of an exhaust pipe 11 for circulating exhaust gas 9 from a diesel engine 1 (an internal combustion engine), and a flow-through type oxidation catalyst 14 is housed in a front stage in the filter case 12, and the catalyst regenerative particulate filter 13 is housed in a rear stage. A cell pitch of the oxidation catalyst 14 of the front stage is set in the size equal to or larger than a cell pitch of the particulate filter 13 of the rear stage. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了防止装备在催化剂再生微粒过滤器的前段中的氧化催化剂的堵塞。解决方案：在该废气排放控制装置中，过滤器壳体12插入在排气管11的中部，用于使来自柴油发动机1（内燃机）的排气9和流通型氧化催化剂14容纳在过滤器壳体12的前段中，催化剂再生微粒过滤器13容纳在后级中。前级的氧化催化剂14的电池间距设定为等于或大于后级的微粒过滤器13的电池间距的尺寸。版权所有（C）2004，JPO＆NCIPI

7. 发明专利

JP2009036109A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2009036109A
公开(公告)日：2009-02-19
申请号：JP2007201488
申请日：2007-08-02
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： MICHISAKA HISATAKA , KOWADA MINORU
IPC分类号： F01N3/08 , B01D53/86 , B01D53/94 , F01N3/28 , F01N13/08
CPC分类号： F01N3/2066 , B01D53/9418 , B01D53/9459 , B01D53/9477 , B01D53/9495 , B01D53/96 , B01D2251/2067 , B01D2251/21 , B01D2258/012 , F01N3/035 , F01N3/106 , F01N3/28 , F01N13/009 , F01N13/0097 , F01N13/08 , F01N2470/00 , F01N2610/02 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device appropriately carrying out the hydrolysis reaction of ammonia in urea water added in exhaust gas until the urea water reaches a selective reduction catalyst.
SOLUTION: An exhaust emission control device comprises a particulate filter 5 disposed in a middle of an exhaust pipe in order to capture particulates in exhaust gas 3, and a selective reduction catalyst 6 disposed at the downstream side of the particulate filter 5 and causing a selective reaction of NOx with ammonia even in the coexistence of oxygen, and a urea water adding means 12 for adding urea water as a reducing agent between the selective reduction catalyst 6 and the particulate filter 5. At least one bends 13, 14 is formed in the channel for introducing the exhaust gas 3 from the urea water adding means 12 to the selective reduction catalyst 6.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种废气排放控制装置，适当地进行氨在加入废气中的尿素水中的水解反应，直到尿素水到达选择性还原催化剂。解决方案：废气排放控制装置包括设置在排气管中间的微粒过滤器5，以便捕获废气3中的微粒;以及选择还原催化剂6，其设置在颗粒过滤器5的下游侧，即使在氧的共存下也引起NOx与氨的选择性反应，以及在选择还原催化剂6和微粒过滤器5之间添加尿素水作为还原剂的尿素水添加装置12，至少一个弯曲13,14 形成在用于将废气3从尿素水添加装置12引入选择还原催化剂6的通道中。（C）2009，JPO＆INPIT

8. 发明专利

JP2006161629A 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：JP2006161629A
公开(公告)日：2006-06-22
申请号：JP2004352483
申请日：2004-12-06
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： FUNAHASHI HIROSHI , MICHISAKA HISATAKA , MATSUNAMI OKITOMO
IPC分类号： F01N3/24 , B01D46/42 , B01D53/94 , B01J35/04 , F01N3/02 , F01N3/20 , F01N3/28 , F02D41/04
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To enlarge operation range allowing a particulate filter to be forcedly recycled without generating a trouble in forced recycle of a particulate filter. SOLUTION: A catalyst recycle type particulate filter 11 provided with oxidation catalyst 12 in a front stage thereof is interposed on the way of an exhaust pipe 9. Fuel injection to each of cylinders of a diesel engine 1 is controlled so that a large quantity of non-combustion fuel is left to be added into the exhaust gas 7, and particulate caught inside the particulate filer 11 of a rear stage is burned by reaction heat when the added fuel reacts for oxidization on the oxidation catalyst 12, and the particulate filter 11 is thereby forcedly recycled. The exhaust emission control device with this structure is provided with a pre-oxidation catalyst 13 formed in the exhaust pipe 9 at a position on an upstream side of the oxidation catalyst 12 not to bring the exhaust gas 7 of the whole amount in contact with a catalyst surface. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了扩大允许微粒过滤器被强制循环的操作范围，而不会在颗粒过滤器的强制循环中产生麻烦。解决方案：在前级设置有氧化催化剂12的催化剂再循环型微粒过滤器11插入在排气管9的路上。控制柴油发动机1的每个气缸的燃料喷射，使得大不需要将非燃烧燃料的量添加到排气7中，并且当添加的燃料在氧化催化剂12上进行氧化反应时，后段的颗粒状过滤器11内的颗粒被反应热燃烧，因此过滤器11被强制回收。具有这种结构的废气排放控制装置设置有在氧化催化剂12的上游侧的位置处形成在排气管9中的预氧化催化剂13，不会使整体上的排气7与催化剂表面。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005155530A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2005155530A
公开(公告)日：2005-06-16
申请号：JP2003397263
申请日：2003-11-27
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： NARITA HIRONORI , MICHISAKA HISATAKA , NAMIKAWA JINICHI
IPC分类号： F02D9/04 , B01D46/42 , B01D53/94 , F01N3/02 , F01N3/20 , F01N3/36 , F02D41/08 , F02D41/38 , F02D43/00 , F02D45/00
CPC分类号： Y02A50/2322 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of increasing the safety of hot exhaust emission produced by the regenerative control of a particulate filter. SOLUTION: This exhaust emission control device comprises the catalyst regenerative particulate filter 6 installed in an exhaust pipe 4, a fuel adding means (fuel injection device 10) for adding a fuel in the exhaust emission 3 on the upstream side of the particulate filter 6, and a control device 9 making the fuel adding means add the fuel when the particulate filter 6 must be regenerated by burning out collected particulates and performing a regenerative control to increase an idling speed higher than usual only when the fuel is added in the idling. The control device 9 is formed in such a way that even if the particulate filter 6 must be regenerated while a vehicle is stopped at idling, the performance of the regenerative control is retained temporarily and permitted after the traveling of the vehicle is started. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够提高通过微粒过滤器的再生控制产生的热废气排放的安全性的废气排放控制装置。解决方案：该废气排放控制装置包括安装在排气管4中的催化剂再生微粒过滤器6，用于在排放物3的上游侧添加燃料的燃料添加装置（燃料喷射装置10）过滤器6和控制装置9，使得当颗粒过滤器6必须通过燃烧所收集的微粒而再生而进行再生控制，从而使燃料添加装置添加燃料，从而仅在将燃料添加到空转。控制装置9形成为即使在车辆停止怠速时必须再生微粒过滤器6，则在车辆行驶开始后暂时保持再生控制的性能并允许。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2004239073A Exhaust emission control device 有权
公开(公告)号：JP2004239073A
公开(公告)日：2004-08-26
申请号：JP2003025857
申请日：2003-02-03
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： MATSUNAMI OKITOMO , MICHISAKA HISATAKA
IPC分类号： F01N3/02 , B01D53/94 , F01N3/24 , F01N3/28 , F02D41/04
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To reduce execution cost in an exhaust emission control device equipped with an oxidation catalyst in a front stage of a catalyst regenerative particulate filter. SOLUTION: In this exhaust emission control device, a filter case 12 is interposed in the middle of an exhaust pipe 11 for circulating exhaust gas 9 from a diesel engine 1 (an internal combustion engine), and a flow-through type oxidation catalyst 14 is housed in a front stage in the filter case 12, and the catalyst regenerative particulate filter 13 is housed in a rear stage. A noble metal quantity per unit volume of a catalytic raw material carried on the particulate filter 13 of the rear stage is reduced more than a noble metal quantity per unit volume of a catalytic raw material carried on the oxidation catalyst 14 of the front stage. COPYRIGHT: (C)2004,JPO&NCIPI

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