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1. 发明专利

JP2014231761A 内燃機関の排気浄化装置有权
标题翻译：内燃机排气净化装置
公开(公告)号：JP2014231761A
公开(公告)日：2014-12-11
申请号：JP2013112177
申请日：2013-05-28
申请人：トヨタ自動車株式会社 , Toyota Motor Corp
发明人： TAKADA KEI , KAMOSHITA SHINJI , OHASHI NOBUMOTO , NAKAYAMA SHIGEKI , KENJO AKIRA , MATSUO JUNICHI
IPC分类号： F01N3/08 , B01D53/94 , F01N3/02 , F01N3/20 , F01N3/24 , F01N3/28 , F02D43/00 , F02D45/00
CPC分类号： F02D21/08 , F01N3/035 , F01N3/106 , F01N3/2066 , F02D41/0052 , F02D41/027 , F02D2200/0802 , F02M26/15 , Y02T10/47
摘要：【課題】内燃機関の排気通路に、酸化触媒と、アンモニアを用いて排気内の窒素酸化物を選択還元するSCR触媒と、を直列に備える内燃機関の排気浄化装置において、酸化触媒にHC被毒が発生した場合に、大気へのNOxの放出を抑制しながら酸化触媒のHC被毒を回復する。【解決手段】酸化触媒のHC被毒量を取得する酸化触媒被毒量取得部と、混合気の酸素濃度を増大させる酸素濃度増大部と、該酸化触媒のHC被毒を回復させる酸化触媒被毒回復部と、を備え、酸化触媒のHC被毒量がHC被毒による該酸化触媒の酸化能力の低下によって該酸化触媒から流出する排気内のNOに対するNO2の比率が所定の閾比率未満になる量である場合は、SCR触媒の温度が活性温度以上のときに、該温度が該活性温度未満のときよりも混合気の酸素濃度を増大させるようにした。【選択図】図2
摘要翻译：要解决的问题：在具有氧化催化剂和SCR的内燃机的排气净化装置中，在发生HC氧化催化剂的HC中毒时，抑制氧化催化剂的HC中毒，同时抑制NOx的排放催化剂，使用氨选择性还原排气中的氮氧化物，串联在内燃机的排气通道上。解决方案：一种用于内燃机的排气净化装置，包括：氧化催化剂中和量获取部，其获取HC中毒量氧化催化剂; 氧浓度增加部，其增加空气 - 燃料混合物中的氧浓度; 以及从HC中毒中回收氧化催化剂的氧化催化剂中毒回收部。在氧化催化剂的HC中毒量达到由于HC中毒引起的氧化催化剂的氧化能力降低导致从氧化催化剂流出的排气的NO与NOO的比例低于预定阈值的程度的情况下比例，当SCR催化剂的温度不低于活化温度时，空气 - 燃料混合物中的氧浓度在SCR催化剂的温度低于活化温度时比其大。

2. 发明专利

JP2007247652A Exhaust emission control device for internal combustion engine 有权
标题翻译：用于内燃机的排气排放控制装置
公开(公告)号：JP2007247652A
公开(公告)日：2007-09-27
申请号：JP2007092657
申请日：2007-03-30
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ITO KAZUHIRO , HIROTA SHINYA , KENJO AKIRA
IPC分类号： F01N3/02 , B01D53/94 , F01N3/08 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide technique capable of removing nitrogen oxides and particulate matter while reducing the number of filters and catalysts in an exhaust emission control device for an internal combustion engine. SOLUTION: This exhaust emission control device for the internal combustion engine is provided with a particulate filter arranged in an exhaust passage of the internal combustion engine and capable of temporarily collecting the particulate matters in the exhaust and carrying a urea hydrolysis catalyst 501, an ammonia selecting reductive catalyst 502, and an ammonia oxidation catalyst 503, and a urea supply means for supplying urea from an upstream side of the particulate filter. The ammonia selecting reductive catalyst 502 is carried much more in a partition wall 54 than on a wall surface of the partition wall 54 of the particulate filter, and the ammonia oxidation catalyst 503 is carried on the wall surface of the partition surface of the particulate filter facing a downstream side 51 much more than on the wall surface of the partition wall 54 of the particulate filter facing the upstream side. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够除去氮氧化物和颗粒物质的技术，同时减少用于内燃机的废气排放控制装置中的过滤器和催化剂的数量。解决方案：用于内燃机的排气排放控制装置设置有布置在内燃机的排气通道中的颗粒过滤器，能够临时收集排气中的颗粒物并携带尿素水解催化剂501，氨选择还原催化剂502和氨氧化催化剂503以及用于从颗粒过滤器的上游侧供给尿素的尿素供给装置。氨选择还原催化剂502在分隔壁54中比在微粒过滤器的分隔壁54的壁面上更多地携带，并且氨氧化催化剂503被携带在颗粒过滤器的分隔表面的壁表面上面向下游侧51比在面向上游侧的微粒过滤器的分隔壁54的壁表面多得多。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007239752A Exhaust emission control device for internal combustion engine 审中-公开
标题翻译：用于内燃机的排气排放控制装置
公开(公告)号：JP2007239752A
公开(公告)日：2007-09-20
申请号：JP2007092656
申请日：2007-03-30
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ITO KAZUHIRO , HIROTA SHINYA , KENJO AKIRA
IPC分类号： F01N3/02 , B01D46/42 , B01D53/94 , B01J35/04 , F01N3/08 , F01N3/24 , F01N3/28
CPC分类号： Y02A50/2346
摘要： PROBLEM TO BE SOLVED: To provide technology removing NOx and particulate matter while reducing the number of filters or catalysts in an exhaust emission control device for an internal combustion engine. SOLUTION: This device is provided with a particulate filter 5 provided in an exhaust gas passage of the internal combustion engine and capable of temporarily collecting particulate matter in exhaust gas, and carrying urea hydrolysis catalyst, ammonia selective reduction type catalyst and ammonia oxidation catalyst, and an urea supply means supplying urea from an upstream of the particulate filter 5. Ammonia selective reduction catalyst is carried more at a center part B of the particulate filter and ammonia oxidation catalyst is carried more in the downstream side B than an upstream side of the particulate filter. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供除去NOx和颗粒物质的技术，同时减少用于内燃机的废气排放控制装置中的过滤器或催化剂的数量。解决方案：该装置设置有设置在内燃机的废气通道中的微粒过滤器5，能够临时收集废气中的颗粒物，并携带尿素水解催化剂，氨选择还原型催化剂和氨氧化催化剂，以及从微粒过滤器5的上游供给尿素的尿素供给装置。氨选择还原催化剂在微粒过滤器的中心部分B处进一步传递，氨氧化催化剂在下游侧B比上游侧多的微粒过滤器。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006002669A Fuel fractional distillation device of internal combustion engine 有权
$Fuel fractional distillation device of internal combustion engine$
标题翻译：内燃机燃油分馏装置
公开(公告)号：JP2006002669A
公开(公告)日：2006-01-05
申请号：JP2004179950
申请日：2004-06-17
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： UEDA TAKANOBU , HIROTA SHINYA , ODA TOMIHISA , KENJO AKIRA
IPC分类号： F02M31/16 , F01N5/02 , F02M31/18
CPC分类号： Y02T10/16
摘要： PROBLEM TO BE SOLVED: To provide a fuel fractional distillation device of an internal combustion engine capable of efficiently fractionating good quality fuel while suppressing deterioration of properties of fuel fractionated as a gas phase.
SOLUTION: The fuel fractional distillation device is equipped with a fractional distillation passage 14 reaching a branch point 14c via a fractional distillation division 14a for fractionating fuel into a gas phase and a liquid phase by utilizing exhaust heat of an engine 1, a gas phase passage 18 branched from the branch point 14c, a liquid phase passage 17 branched from the branch point, a tank 19 for a liquid phase for storing fuel led to the liquid phase passage 17, a return passage 20 for a liquid phase for returning fuel in the tank 19 for a liquid phase to the fuel tank 17, an adjusting valve 21 for adjusting a liquid surface level L of the tank 19 for a liquid phase by leading the fuel in the tank 19 for a liquid phase to the return passage 20 for a liquid phase, and a fuel distribution control means 27 for controlling the adjusting valve 21 so as to execute at least either of operations for promoting distribution of fuel to the liquid phase passage 17 when the temperature in the fractional distillation division 14a is high and for promoting distribution of fuel to the gas phase passage 18 when the temperature in the fractional distillation division 14c is low.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够有效地分级优质燃料同时抑制作为气相分馏的燃料的性质劣化的内燃机的燃料分馏装置。解决方案：燃料分馏装置配备有分馏蒸馏通道14，其经由分馏部分14a到达分支点14c，用于通过利用发动机1的排气热将燃料分馏成气相和液相，从分支点14c分支的气相通道18，从分支点分支的液相通道17，用于储存燃料的液相槽19用于液相通道17，用于返回液相的返回通道20 用于液相的油箱19中的燃料到燃料箱17;调节阀21，用于通过将用于液相的箱19中的燃料引导到返回通道来调节用于液相的箱19的液面高度L 20，用于控制调节阀21的燃料分配控制装置27，以便当温度i 在分馏部14c的温度低的情况下，分馏部14a高，用于促进向气相通道18的分配。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005220811A Fuel fractional distillation device of internal combustion engine 有权
$Fuel fractional distillation device of internal combustion engine$
标题翻译：内燃机燃油分馏装置
公开(公告)号：JP2005220811A
公开(公告)日：2005-08-18
申请号：JP2004029519
申请日：2004-02-05
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ODA TOMIHISA , HIROTA SHINYA , UEDA TAKANOBU , KENJO AKIRA
IPC分类号： F02M21/02 , F01N3/24 , F01N3/36 , F02D19/06 , F02D19/08 , F02D41/02 , F02D41/04 , F02D45/00 , F02M31/16 , F02M31/18
CPC分类号： Y02T10/32 , Y02T10/36
摘要： PROBLEM TO BE SOLVED: To provide a fuel fractional distillation device of an internal combustion engine having a fail-safe mechanism used when a gas phase fuel becomes short. SOLUTION: This fuel fractional distillation device 17 of the internal combustion engine comprises a fractional distillation part 19 connected to the fuel supply system 11 of the internal combustion engine 1 and fractionally distilling a fuel into a gaseous phase and a liquid phase, a gaseous phase fuel storage means 23 storing the gaseous phase fuel fractionally distilled in the fractional distillation part, and a gaseous phase fuel supply means 18 supplying the gaseous fuel of the gaseous phase fuel storage means to a specified destination. The device also comprises a storage amount acquisition means 24 for acquiring the storage amount of the gaseous phase fuel storage means and a fuel introduction means 28 for introducing the fuel of the fuel supply system to the specified destination when the means determines that the storage amount is equal to or less than a prescribed amount. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有在气相燃料变短时使用的故障保护机构的内燃机的燃料分馏装置。解决方案：内燃机的该燃料分馏装置17包括连接到内燃机1的燃料供应系统11的分馏部分19，并将燃料分馏成气相和液相，将分馏的气相燃料储存在分馏部分中的气相燃料储存装置23和将气态燃料储存装置的气体燃料供给到指定的目的地的气相燃料供给装置18。该装置还包括用于获取气相燃料储存装置的储存量的储存量获取装置24和用于将燃料供应系统的燃料引入指定的目的地的燃料引入装置28，当装置确定储存量为等于或小于规定量。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2005220799A Fuel fractional distillation device of internal combustion engine 有权
$Fuel fractional distillation device of internal combustion engine$
标题翻译：内燃机燃油分馏装置
公开(公告)号：JP2005220799A
公开(公告)日：2005-08-18
申请号：JP2004028892
申请日：2004-02-05
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： ODA TOMIHISA , HIROTA SHINYA , UEDA TAKANOBU , KENJO AKIRA
IPC分类号： F02M31/16 , F02M31/18
摘要： PROBLEM TO BE SOLVED: To provide a fuel fractional distillation device of an internal combustion engine capable of satisfactorily cooling a gaseous phase fuel and a liquid phase fuel according to various purposes.
SOLUTION: This fuel fractional distillation device 16 of the internal combustion engine comprises a fractional distillation part 18 connected to the fuel supply system 11 of the internal combustion engine 1 and fractionally distilling a fuel supplied from the fuel supply system into a gaseous phase and a liquid phase, a gaseous phase passage 22 for leading the gaseous phase fuel fractionally distilled in the fractional distillation part, and a liquid phase passage 23 for leading the liquid phase fuel fractionally distilled in the fractional distillation part. The device also comprises at least one of heat exchangers 27 and 28 for exchanging heat between a fuel after fractional distillation and a fuel before fractional distillation. The gaseous phase passage is led into the heat exchanger disposed on a side near the fuel supply system.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够根据各种目的令人满意地冷却气相燃料和液相燃料的内燃机的燃料分馏装置。解决方案：内燃机的该燃料分馏装置16包括连接到内燃机1的燃料供应系统11的分馏部分18，并将从燃料供应系统供应的燃料分馏成气相和液相，用于引导在分馏部分馏出的气相燃料的气相通道22，以及用于引导在分馏部分馏出的液相燃料的液相通路23。该装置还包括用于在分馏之后的燃料与分馏之前的燃料之间进行热交换的热交换器27和28中的至少一个。气相通道被引入布置在燃料供应系统附近一侧的热交换器中。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2003307116A Exhaust emission control device of internal combustion engine 有权
标题翻译：内燃机排气控制装置
公开(公告)号：JP2003307116A
公开(公告)日：2003-10-31
申请号：JP2002113334
申请日：2002-04-16
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KIMURA KOICHI , HIROTA SHINYA , ITO KAZUHIRO , ASANUMA TAKAMITSU , TOSHIOKA TOSHISUKE , NAKATANI KOICHIRO , KENJO AKIRA
IPC分类号： F01N3/02 , B01D46/44 , F01N3/08 , F01N3/24 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To avoid back pressure of an engine from excessively increasing while surely collecting fine particles. SOLUTION: An exhaust passage of an internal combustion engine is branched to form a pair of bypass passages, and a high pressure loss type particulate filter PF1 and a low pressure loss type particulate filter PF2 are parallely arranged in the pair of branch passages. A position of a switch valve VS is switched in a manner as follows. When an engine load is lower than a predetermined setting load, exhaust gas emitted from the internal combustion engine is introduced to the high pressure loss type particulate filter PF1, and when the engine load is higher than the predetermined setting load, the exhaust gas emitted from the internal combustion engine is introduced to the low pressure loss particulate filter PF2. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了避免发动机的背压过度增加，同时确保收集细颗粒。解决方案：内燃机的排气通道被分支以形成一对旁路通道，高压损失型颗粒过滤器PF1和低压损失型颗粒过滤器PF2平行布置在该对分支通道。切换阀VS的位置以如下方式切换。当发动机负荷低于预定的设定负荷时，从内燃机排出的废气被引入高压损失型微粒过滤器PF1，当发动机负荷高于预定的设定负荷时，从将内燃机引入到低压损失微粒过滤器PF2中。版权所有（C）2004，JPO

8. 发明专利

JP2003293731A Exhaust emission control device for internal combustion engine 有权
标题翻译：用于内燃机的排气排放控制装置
公开(公告)号：JP2003293731A
公开(公告)日：2003-10-15
申请号：JP2002095093
申请日：2002-03-29
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TOSHIOKA TOSHISUKE , HIROTA SHINYA , HENDA YOSHIMITSU , ITO KAZUHIRO , ASANUMA TAKAMITSU , KIMURA KOICHI , NAKATANI KOICHIRO , NAKANO YASUAKI , KENJO AKIRA
IPC分类号： F02D43/00 , B01D46/44 , F01N3/02 , F01N3/08 , F01N3/18 , F01N3/24 , F02D41/04 , F02D45/00
CPC分类号： Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device for easily and precisely controlling the amount of exhaust gas flowing into a particulate filter to be a target amount. SOLUTION: The exhaust emission control device has an upstream side exhaust passage 25a communicating with a combustion chamber in the internal combustion engine. The upstream side exhaust passage is parted at a branch portion 25b into at least two branch exhaust passages. The particulate filter 26 is arranged in one of the branch exhaust passages and a flow control valve 28 is arranged at the branch portion. With the adjustment of the operating position of the flow control valve, the amount of the exhaust gas flowing into the branch exhaust passage can be controlled. The exhaust emission control valve comprises parameter measuring means 49, 50. The amount of the exhaust gas flowing into at least one branch exhaust passage is calculated in accordance with parameters measured by the parameter measuring means and the operating position of the flow control valve is adjusted so that the calculated amount of the exhaust gas becomes the target amount. COPYRIGHT: (C)2004,JPO
摘要翻译：解决的问题：提供一种废气排放控制装置，用于容易且精确地控制流入微粒过滤器的废气量成为目标量。解决方案：废气排放控制装置具有与内燃机中的燃烧室连通的上游侧排气通路25a。上游侧排气通道在分支部分25b处分成至少两个分支排气通道。微粒过滤器26布置在一个分支排气通道中，并且流量控制阀28布置在分支部分。随着流量控制阀的操作位置的调节，可以控制流入分支排气通道的废气量。废气排放控制阀包括参数测量装置49,50。根据由参数测量装置测量的参数计算流入至少一个分支排气通道的废气量，并且调整流量控制阀的操作位置使得排气的计算量成为目标量。版权所有（C）2004，JPO

9. 发明专利

JP2014001683A Exhaust emission control device of internal combustion engine 有权
标题翻译：内燃机排气控制装置
公开(公告)号：JP2014001683A
公开(公告)日：2014-01-09
申请号：JP2012137458
申请日：2012-06-19
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KENJO AKIRA , NAKAYAMA SHIGEKI , TOSHIOKA TOSHISUKE , TAKADA KEI , NISHIOKA HIROMASA , YAMAMOTO ICHIRO , NAKAJIMA JUNYA
IPC分类号： F01N3/36 , B01D53/86 , B01D53/94 , F01N3/08 , F01N3/24 , F01N3/28 , F02D41/04
CPC分类号： Y02T10/24
摘要： PROBLEM TO BE SOLVED: To suppress enhancement in oxidation capacity in a selective reduction type NOx catalyst when a catalyst is included which has the oxidation capacity on the upstream side further than the selective reduction type NOx catalyst.SOLUTION: An exhaust emission control device of an internal combustion engine includes: an oxidation catalyst; a selective reduction type NOx catalyst provided in an exhaust passage on the downstream further than the oxidation catalyst; a trap part, provided in the exhaust passage on the downstream further than the oxidation catalyst and the upstream further than the selective reduction type NOx catalyst, for trapping matter enhancing oxidation capacity in the selective reduction type NOx catalyst; and supply means for supplying fuel to the oxidation catalyst. The device includes a control unit for reducing each supply amount of fuel and increasing a frequency of fuel supply, as a temperature of the trap part is higher when fuel is supplied to the oxidation catalyst.
摘要翻译：要解决的问题：为了抑制选择还原型NOx催化剂的氧化能力的提高，当包含上游侧的氧化能力比选择还原型NOx催化剂更高的催化剂时，可以提高氧化能力。解决方案：一种废气排放控制装置，内燃机包括：氧化催化剂; 选择还原型NOx催化剂，其设置在比氧化催化剂更下游的排气通道中; 捕集部，其设置在比氧化催化剂更靠下游的排气通道中，并且比选择还原型NOx催化剂更上游;用于捕获选择还原型NOx催化剂中氧化能力增强的物质; 以及用于向氧化催化剂供给燃料的供给装置。该装置包括用于减少燃料的每个供给量并增加燃料供给频率的控制单元，因为当向氧化催化剂供应燃料时，捕集部分的温度较高。

10. 发明专利

JP2010024848A Automatic stopping and restarting device of internal combustion engine 审中-公开
标题翻译：内燃机自动停止和重新启动装置
公开(公告)号：JP2010024848A
公开(公告)日：2010-02-04
申请号：JP2008183741
申请日：2008-07-15
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KENJO AKIRA
IPC分类号： F01N3/24 , F02D29/02
摘要： PROBLEM TO BE SOLVED: To provide technology of correctly estimating bed temperature of a catalyst even during automatic stop of an internal combustion engine in an automatic stopping and restarting device of the internal combustion engine.
SOLUTION: The automatic stopping and restarting device includes an automatic control means which automatically stops the internal combustion engine when an automatic stopping condition is satisfied and automatically restarts the internal combustion engine when an automatic restarting condition is satisfied, a DPNR arranged in an exhaust passage of the internal combustion engine and controlling emissions of exhaust gas, an exhaust temperature sensor arranged in the exhaust passage upstream of the DPNR and detecting exhaust gas temperature upstream of the DPNR. During the automatic stop wherein the automatic control means automatically stops the internal combustion engine, bed temperature of the DPNR is estimated based on the DPNR upstream exhaust gas temperature detected by the exhaust temperature sensor and an automatic stop map indicating a temperature difference between the DPNR upstream exhaust gas temperature and DPNR temperature.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在内燃机的自动停止和重新启动装置内的内燃机的自动停止期间，也提供正确估计催化剂床温的技术。解决方案：自动停止重启装置包括自动控制装置，当满足自动停止条件时，自动停止内燃机，并且当满足自动重启条件时自动重启内燃机; DPNR排列成内燃机的排气通道和排气排放，排气温度传感器布置在DPNR上游的排气通道中，并检测DPNR上游的废气温度。在其中自动控制装置自动停止内燃机的自动停止期间，DPNR的床温基于由排气温度传感器检测到的DPNR上游废气温度和指示DPNR上游之间的温差的自动停止图来估计废气温度和DPNR温度。版权所有（C）2010，JPO＆INPIT

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