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公开(公告)号：JP2012122411A
公开(公告)日：2012-06-28
申请号：JP2010273844
申请日：2010-12-08
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： KAWAGUCHI BUNGO , ODA TOMIHISA , SATO MASAAKI , SHIRASAWA KEN
CPC classification number: Y02T10/144
Abstract: PROBLEM TO BE SOLVED: To provide a control apparatus for an internal combustion engine that prevents a catalyst from being damaged.SOLUTION: The control apparatus for the internal combustion engine includes: a supercharger having a compressor and a turbine; an exhaust passage communicated with the turbine; a bypass passage that bypasses the turbine to be coupled to the exhaust passage; the catalyst provided in the bypass passage; an on-off valve that can open and close the bypass passage; a control unit that controls the on-off valve; a temperature detection unit that detects a temperature of an exhaust before and after the exhaust flows in the catalyst; and a determination unit that executes determination processing for determining the deterioration of the catalyst based on a detection result of the temperature detection unit before and after the fuel is supplied to the catalyst. The control unit estimates an amount of unburnt fuel remaining in the catalyst by the determination processing and allows the on-off valve to open during a predetermined period after the determination processing is completed when the estimated amount of the unburnt fuel exceeds a threshold.
Abstract translation: 要解决的问题：提供一种用于防止催化剂损坏的内燃机的控制装置。 解决方案：用于内燃机的控制装置包括：具有压缩机和涡轮机的增压器; 与涡轮连通的排气通道; 旁路通道，其绕过所述涡轮机以联接到所述排气通道; 提供在旁路通道中的催化剂; 一个可以打开和关闭旁路通道的开关阀; 控制单元，其控制所述开关阀; 温度检测单元，其检测在所述催化剂中排出前后的排气的温度; 以及确定单元，其基于在将所述燃料供给到所述催化剂之前和之后的所述温度检测单元的检测结果，执行用于确定所述催化剂劣化的确定处理。 控制单元通过判定处理来估计催化剂中剩余的未燃烧燃料的量，并且在未燃烧燃料的估计量超过阈值后，在确定处理完成之后的预定时间段内允许开关阀打开。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2010185434A
公开(公告)日：2010-08-26
申请号：JP2009031593
申请日：2009-02-13
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： ODA TOMIHISA , TOSHIOKA TOSHISUKE , SATO MASAAKI , ASAURA SHINYA
CPC classification number: Y02T10/24
Abstract: PROBLEM TO BE SOLVED: To appropriately suppress an ammonia slip in a selective reduction-type NOx catalyst provided in an exhaust passage. SOLUTION: This exhaust emission control device 1 for an internal combustion engine includes: a first selective reduction-type NOx catalyst 32 located in one of two branch exhaust passages 14B which is branched off halfway in the exhaust passage 14 to exhibit NOx purifying ability in the presence of ammonia; a second selective reduction-type NOx catalyst 34 located in the other of the two branch exhaust passages 14B to exhibit the NOx purifying ability; an ammonia supply means for supplying ammonia to these NOx catalysts 32, 34; and an exhaust gas inflow amount regulating means for regulating exhaust gas inflow amounts to these NOx catalysts 32, 34. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：适当地抑制设置在排气通道中的选择还原型NOx催化剂中的氨滑移。 解决方案：该内燃机废气排放控制装置1包括：第一选择还原型NOx催化剂32，其位于两个分支排气通道14B中的一个中，其分支在排气通道14的中途，以显示NOx净化 在氨存在下的能力; 位于两个分支排气通道14B中的另一个中的第二选择还原型NOx催化剂34，以显示NOx净化能力; 用于向这些NOx催化剂32,34供应氨的氨供给装置; 以及用于调节这些NOx催化剂32,34的废气流入量的废气流入量调节装置。版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2010127151A
公开(公告)日：2010-06-10
申请号：JP2008301524
申请日：2008-11-26
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： KAMOSHITA SHINJI , ODA TOMIHISA , OHASHI NOBUMOTO , KAWAGUCHI BUNGO , KOBAYAKAWA SATOSHI
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device for an internal combustion engine, achieving early activation of a catalyst while suppressing fuel consumption. SOLUTION: This exhaust emission control device for the internal combustion engine includes: an oxidation catalyst 25 arranged in an exhaust passage of the internal combustion engine 10; a heat storage material 50 temporarily storing heat and releasing stored heat for activating the oxidation catalyst 25; and a burner 60 supplying combustion gas with fuel burnt for activating the oxidation catalyst 25 to the exhaust passage 15. The exhaust passage 15 is formed with first and second branch passages 15A, 15B provided upstream of the oxidation catalyst 25, branched into two and rejoined. A selector valve selectively changing over an exhaust gas flow to one of the first and second branch passages is provided in a branch portion for the first and second branch passages 15A, 15B. The heat storage material 50 is provided in the first branch passage 15A, and the burner 60 is provided in the second branch passage 15B. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：提供一种用于内燃机的废气排放控制装置，在抑制燃料消耗的同时实现催化剂的早期活化。 解决方案：用于内燃机的废气排放控制装置包括：布置在内燃机10的排气通道中的氧化催化剂25; 蓄热材料50临时储存热量并释放用于活化氧化催化剂25的储存热量; 以及燃烧器60，其将燃烧的燃料用于将氧化催化剂25启动到排气通道15.排气通道15形成有设置在氧化催化剂25上游的第一和第二分支通道15A，15B，分支成两个并重新连接 。 在第一和第二分支通道15A，15B的分支部分中设置有选择性地将废气流转换到第一和第二分支通道中的一个的选择阀。 蓄热材料50设置在第一分支通路15A中，燃烧器60设置在第二分支通路15B中。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009079584A
公开(公告)日：2009-04-16
申请号：JP2007335191
申请日：2007-12-26
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： TOSHIOKA TOSHISUKE , ODA TOMIHISA , TAUCHI YUTAKA , ASAURA SHINYA , NAKAMURA YOSHITAKA
CPC classification number: F01N11/00 , B01D53/90 , B01D53/9418 , B01D53/9477 , B01D53/9495 , B01D2251/2062 , B01D2255/1021 , B01D2255/20707 , B01D2255/20723 , B01D2255/20738 , B01D2255/50 , F01N3/2066 , F01N13/009 , F01N13/0097 , F01N2550/05 , F01N2560/026 , F01N2560/06 , F01N2610/02 , F01N2610/1453 , F01N2900/1621 , F01N2900/1806 , F01N2900/1814 , Y02T10/24 , Y02T10/47
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of detecting concentration of urea water with an inexpensive method.
SOLUTION: A NO
X selective reducing catalyst 15 is provided in an engine exhaust gas passage and NO
X is selectively reduced by supplying the urea water stored in a urea water tank 20 to the NO
X selective reducing catalyst 15. A NO
X sensor 41 is arranged in the engine exhaust gas passage at downstream of the NO
X selective reducing catalyst 15 to detect a NO
X control ratio by the NO
X selective reducing catalyst 15 and concentration of the urea water stored in the urea water tank 20 is estimated from the detected NO
X control ratio.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种能够以便宜的方法检测尿素水浓度的废气排放控制装置。 解决方案：在发动机排气通道中设置NOS SB X选择还原催化剂15，通过供给存储在尿素水中的尿素水来选择性还原NO 储罐20连接到NO
X 选择还原催化剂15.在NO X 的下游的发动机排气通道中设置有NOS SB X传感器41 >选择还原催化剂15以通过NOS / SB> X 选择还原催化剂15检测NO X 控制比，并且从尿素水箱20中储存的尿素水的浓度估计为 检测到的NO X 控制比。 版权所有（C）2009，JPO＆INPIT -
公开(公告)号：JP2009013930A
公开(公告)日：2009-01-22
申请号：JP2007178711
申请日：2007-07-06
Applicant: Hino Motors Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 日野自動車株式会社
Inventor： YABE MASAHIKO , YOKOTA HARUYUKI , SHIMIZU TAKAHARU , NINOMIYA HIROYUKI , SATO SHINYA , TAGAMI YOSHIHIRO , TAUCHI YUTAKA , WATABE SATORU , ODA TOMIHISA , TOSHIOKA TOSHISUKE
CPC classification number: F01N3/2066 , B01D53/9431 , B01D53/9495 , B01D2251/2067 , B01D2257/404 , B01D2258/012 , F01N13/009 , F01N2570/14 , F01N2610/02 , Y02A50/2325 , Y02A50/2344 , Y02T10/24
Abstract: PROBLEM TO BE SOLVED: To obtain excellent NOx reducing effect from an exhaust temperature lower than a conventional one even in a vehicle of such an operating form that an operating state at a low exhaust temperature continues for a long time period. SOLUTION: An exhaust emission control device which includes at some midpoint of an exhaust pipe 4 a selective reduction type catalyst 5 obtained by selectively reacting NOx with ammonia even in the presence of oxygen and which reduces and controls NOx by adding urea water 6 as a reducing agent in the exhaust pipe 4 on the upstream side from the selective reduction type catalyst 5, is provided with an oxidation catalyst 9 in the exhaust pipe 4 on the upstream side from an adding position of the urea water 6 and with a fuel addition means (a fuel injection device 14) for adding fuel in exhaust 3 on the upstream side from the oxidation catalyst 9. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：即使在低排气温度下的运行状态持续很长时间的操作形式的车辆中，也可以从低于常规的排气温度获得优异的NOx还原效果。 解决方案：一种废气排放控制装置，其在排气管4的一些中点处包括通过选择性还原型催化剂5，其通过选择性地将NOx与氨反应，甚至在氧的存在下反应，并且通过添加尿素水6来还原和控制NOx 作为来自选择还原型催化剂5的上游侧的排气管4中的还原剂，在尿素水6的添加位置和燃料的上游侧的排气管4中设置有氧化催化剂9 添加装置（燃料喷射装置14），用于在氧化催化剂9的上游侧添加排气3中的燃料。版权所有（C）2009，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2008255928A
公开(公告)日：2008-10-23
申请号：JP2007100535
申请日：2007-04-06
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： TOSHIOKA TOSHISUKE , ODA TOMIHISA , ITO TAKEKAZU , ITO KAZUHIRO , TAUCHI YUTAKA
Abstract: PROBLEM TO BE SOLVED: To secure high NOx conversion rate regardless of the temperature of an NOx selective reduction catalyst. SOLUTION: The NOx selective reduction catalyst 15 is disposed in the exhaust passage of an internal combustion engine. An oxidation catalyst 16 capable of controlling NOx at a lower temperature than in the case of the NOx selective reduction catalyst 15 is disposed in the exhaust passage of the engine on the downstream side of the NOx selective reduction catalyst 15. When the NOx selective reduction catalyst 15 is installed within the temperature range TM in which it can control NOx, urea necessary for reducing NOx is supplied to the NOx selective reduction catalyst 15. When the NOx selective reduction catalyst 15 is under the temperature range TM in which it can control NOx, urea necessary for controlling NOx is supplied to the oxidation catalyst 16. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：为了确保与NOx选择还原催化剂的温度无关的高NOx转化率。 解决方案：NOx选择还原催化剂15设置在内燃机的排气通道中。 在NOx选择还原催化剂15的下游侧，在发动机的排气通路内配置能够控制比在NOx选择还原催化剂15的情况下低的NOx的氧化催化剂16.当选择还原催化剂 15安装在可以控制NOx的温度范围TM内，将还原NOx所必需的尿素供给到NOx选择还原催化剂15.当NOx选择还原催化剂15处于能够控制NOx的温度范围TM以下时， 控制NOx所必需的尿素被供给到氧化催化剂16.版权所有：（C）2009，JPO＆INPIT
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公开(公告)号：JP2008255890A
公开(公告)日：2008-10-23
申请号：JP2007099123
申请日：2007-04-05
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： TOSHIOKA TOSHISUKE , ODA TOMIHISA , ITO KAZUHIRO
CPC classification number: F01N3/2066 , B01D53/9459 , B01D53/9477 , B01D2251/2067 , F01N3/2073 , F01N3/2882 , F01N13/0097 , Y02C20/10 , Y02T10/24
Abstract: PROBLEM TO BE SOLVED: To prematurely start the selectively reducing action of NOx after the start of an engine.
SOLUTION: An NOx selectively reducing main catalyst 15 is disposed in an engine exhaust passage. An NOx selectively reducing auxiliary catalyst 17 having a volume, heat capacity, and pressure loss smaller than those of the NOx selective reducing main catalyst 15 is disposed on the upstream side of the NOx selective reducing main catalyst 15. A urea is supplied from a urea solution supply valve 18 to the NOx selectively reducing auxiliary catalyst 17 to prematurely start the selectively reducing action of NOx after the start of the engine by the NOx selectively reducing auxiliary catalyst 17.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：在发动机启动之后过早地开始NOx的选择性还原作用。 解决方案：在发动机排气通道中设置有选择性还原的主催化剂15。 在NOx选择还原主催化剂15的上游侧设置有与NOx选择还原主催化剂15相比体积，热容量和压力损失小的NOx选择还原助剂17。尿素由尿素 解决方案供应阀18选择性地还原辅助催化剂17，以通过NOx选择性还原辅助催化剂17来过早地启动发动机起动后NOx的选择性还原作用。（C）2009，JPO＆INPIT
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公开(公告)号：JP2008101565A
公开(公告)日：2008-05-01
申请号：JP2006285833
申请日：2006-10-20
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： UEDA TAKANOBU , ODA TOMIHISA , NIIMI KUNIAKI , TSUJIMOTO KENICHI
Abstract: PROBLEM TO BE SOLVED: To enhance an NOx purification performance by keeping the temperature of an NOx absorbent.
SOLUTION: This exhaust emission control device comprises a first exhaust passage 22a and a second exhaust passage 22b branched from the exhaust passage 21 of an internal combustion engine. NOx storage/reduction catalysts 23a, 23b and particulate filters 24a, 24b are disposed in the exhaust passages 22a, 22b, respectively. The length of the exhaust passage from the branch part Z to the second NOx storage/reduction catalyst 23b disposed in the second exhaust passage 22b is longer than the length of the exhaust passage from the branch part Z to the first NOx storage/reduction catalyst 23a disposed in the first exhaust passage 22a. The exhaust gas flowing in the first exhaust passage 22a is guided around the second NOx storage/reduction catalyst 23b and the second particulate filter 24b and kept heated.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：通过保持NOx吸收剂的温度来提高NOx净化性能。 解决方案：该废气排放控制装置包括从内燃机的排气通道21分支的第一排气通道22a和第二排气通道22b。 NOx吸留还原催化剂23a，23b和微粒过滤器24a，24b分别设置在排气通道22a，22b中。 从分支部Z到设置在第二排气通路22b中的第二NOx吸留还原催化剂23b的排气通路的长度比从分支部Z到第一NOx吸留还原催化剂23a的排气通路的长度长 设置在第一排气通道22a中。 在第一排气通道22a中流动的废气围绕第二NOx储存还原催化剂23b和第二颗粒过滤器24b引导并保持加热。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2008019780A
公开(公告)日：2008-01-31
申请号：JP2006192147
申请日：2006-07-12
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： NIIMI KUNIAKI , ODA TOMIHISA , UEDA TAKANOBU , TSUJIMOTO KENICHI
CPC classification number: F01N3/0871 , F01N3/2013 , F01N9/00 , F01N11/00 , F01N13/0097 , F01N2550/22 , F02D41/028 , F02D41/083 , F02D2041/026 , F02D2200/503 , F02D2250/24 , H02J7/1446 , Y02T10/26 , Y02T10/47
Abstract: PROBLEM TO BE SOLVED: To provide a technique which surely raises the temperature of an exhaust emission control device, by surely operating an electric heating heater of a catalyst with the electric heating heater, without imposing an excessive burden on a battery.
SOLUTION: The power source system has the battery and the electric heating heater for heating a storage-reduction type NOx catalyst by operating by receiving supply of electric power from the battery, and predicts that SOx poisoning recovery processing will be performed in the near future by the fact that an SOX storage quantity to the storage-reduction type NOx catalyst is S1 or more (S102), increases power generation voltage of an alternator (S103), and raises a charging level of the battery (S106).
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种可靠地提高废气排放控制装置的温度的技术，通过使用电加热器可靠地操作催化剂的电加热器，而不会对电池施加过大的负担。 解决方案：电源系统具有电池和电加热器，用于通过接收来自电池的电力的供给而进行操作来加热储存还原型NOx催化剂，并且预测在该电池中将执行SOx中毒恢复处理 通过存储还原型NOx催化剂的SO x储存量为S1以上（S102）的事实，近期将增加交流发电机的发电电压（S103），并提高电池的充电水平（S106）。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2008014188A
公开(公告)日：2008-01-24
申请号：JP2006184500
申请日：2006-07-04
Applicant: Toyota Motor Corp , トヨタ自動車株式会社
Inventor： NIIMI KUNIAKI , ODA TOMIHISA , UEDA TAKANOBU , TSUJIMOTO KENICHI
Abstract: PROBLEM TO BE SOLVED: To allow control of the amount of exhaust introduced into two separated exhaust passages, respectively, by a simpler constitution or control in an exhaust system in which an exhaust passage is separated into two.
SOLUTION: A separation part 3 of an exhaust system in which an upstream side exhaust pipe 1 is separated at a halfway part thereof into an outer pipe 2a and inner pipe 2b of a downstream side exhaust pipe 2 with a double pipe structure, includes a rotary valve 4 rotatably supported by a shaft parallel in the aligned direction of an opening part to the separation part 3 of the outer pipe 2a and inner pipe 2b. The rotary valve 4 is provided with three ventilation holes of a first ventilation hole 4a, upper second ventilation hole 4b and lower second ventilation hole 4c. The opening areas of the first ventilation hole 4a, upper second ventilation hole 4b and lower second ventilation hole 4c with respect to the upstream side exhaust pipe 1, outer pipe 2a and inner pipe 2b, respectively, are changed through the rotation of the rotary valve 4, thereby controlling the amount of exhaust flowing into the outer pipe 2a and inner pipe 2b of exhaust passing through the upstream side exhaust pipe 1.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：为了允许通过在排气通道被分成两部分的排气系统中的更简单的结构或控制来分别控制引入到两个分离的排气通道中的排气量。 解决方案：将上游侧排气管1的中途分离成具有双管结构的外管2a和下游侧排气管2的内管2b的排气系统的分离部3， 包括旋转阀4，该旋转阀4以与开口部的排列方向平行的轴可旋转地支撑到外管2a和内管2b的分离部3。 旋转阀4设置有第一通气孔4a，上部第二通气孔4b和下部第二通气孔4c的三个通气孔。 第一通气孔4a，上部第二通气孔4b和下部第二通气孔4c相对于上游侧排气管1，外管2a和内管2b的开口面积分别通过旋转阀 从而控制流入通过上游侧排气管1的排气的外管2a和排气管2b的排气量。（C）2008，JPO＆INPIT
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