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1. 发明专利

JP2009013931A Exhaust gas purification device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2009013931A
公开(公告)日：2009-01-22
申请号：JP2007178712
申请日：2007-07-06
申请人： 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
发明人： YABE MASAHIKO , YOKOTA HARUYUKI , SHIMIZU TAKAHARU , NINOMIYA HIROYUKI , SATO SHINYA , HAYASHI TAKAHIKO , TOSHIOKA TOSHISUKE , WATABE SATORU , ODA TOMIHISA , TAUCHI YUTAKA
IPC分类号： F01N3/08 , B01D53/94 , F01N3/02 , F01N3/24 , F01N3/28
CPC分类号： F01N3/2066 , B01D53/9418 , B01D53/9431 , B01D53/944 , B01D2251/2067 , B01D2251/208 , B01D2258/012 , F01N3/0814 , F01N3/103 , F01N9/00 , F01N13/009 , F01N2570/14 , F01N2610/02 , F01N2610/03 , F01N2900/1404 , F01N2900/1602 , Y02A50/2344 , Y02T10/24 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To obtain excellent NOx reducing effect from an exhaust temperature lower than a conventional one without causing a trouble in engine starting or the like after long time engine stop. SOLUTION: An exhaust emission control device which includes at some midpoint of an exhaust pipe 4 a selective reduction type catalyst 5 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, to the exhaust pipe 4 on the upstream side from the adding position of the urea water 6, having a property in which NOx in the exhaust 3 is physically adsorbed at a temperature lower than an active lower limit temperature of the selective reduction type catalyst 5 and the absorbed NOx is discharged at a temperature higher than its own active lower limit temperature, and a fuel addition means (a fuel injection device 14) for adding fuel in the exhaust 3 on the upstream side from the oxidation catalyst 9 so as to allow the suspension of the start of fuel addition until an exhaust temperature of the selective reduction type catalyst 5 inlet side rises to the set temperature equivalent to the active lower limit temperature of the oxidation catalyst 9. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了从低于常规排气温度的废气温度获得优异的NOx还原效果，在长时间的发动机停止后不会引起发动机起动等问题。解决方案：一种废气排放控制装置，其在排气管4的一些中点处包括选择还原型催化剂5，并且通过在上游侧的排气管4中添加作为还原剂的尿素水6来还原和控制NOx 从选择还原型催化剂5，在尿素水6的添加位置的上游侧的排气管4上设有氧化催化剂9，其特征在于排气3中的NOx被物理吸附在低于选择还原型催化剂5的活性下限温度的温度和吸收的NOx在比其自身的有效下限温度高的温度下排出;以及燃料添加装置（燃料喷射装置14），用于在在氧化催化剂9的上游侧具有排气3，以允许燃料添加开始的停止直到选择还原型催化剂5的入口侧r的排气温度等于氧化催化剂9的活性下限温度的设定温度。（C）2009年，JPO＆INPIT

2. 发明专利

JP2010270726A Method for regenerating particulate filter 有权
标题翻译：再生颗粒过滤器的方法
公开(公告)号：JP2010270726A
公开(公告)日：2010-12-02
申请号：JP2009125111
申请日：2009-05-25
申请人： 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
发明人： YABE MASAHIKO , TAGAMI YOSHIHIRO , OGIMOTO KATSUSHI , KANEDA TAKESHI , HAYASHI TAKAHIKO , KOGA MASAKI
IPC分类号： F01N3/02 , F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To surely avoid a regeneration failure while suppressing the exhaust amount of NOx when forcibly regenerating a particulate filter.
SOLUTION: A method for forcibly regenerating the particulate filter 13 is carried out by providing an oxidation catalyst 14 in a prior stage of the particulate filter 13 equipped at the intermediate part of an exhaust pipe 11, adding fuel into exhaust gas 9 upstream of the oxidation catalyst 14, burning collected particulates in the particulate filter 13 in a subsequent stage with reaction heat generated during the oxidation reaction of the added fuel on the oxidation catalyst 14 in the prior stage. Forced regeneration of the particulate filter 13 is carried out while recirculating part of the exhaust gas 9 from the exhaust side to the intake side, and the recirculation of exhaust gas 9 is stopped when at least one of the conditions is not fulfilled out of a first condition that the regenerated time does not exceed a predetermined time and a second condition that an ignition switch 22 is not turned off during the forced regeneration.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：当强制再生微粒过滤器时，能够抑制NOx的排出量，确实避免再生失败。解决方案：强制再生颗粒过滤器13的方法是通过在排气管11的中间部分配备的颗粒过滤器13的前一阶段提供氧化催化剂14，将燃料添加到排气9的上游的氧化催化剂14，在随后的阶段中，在添加的燃料在氧化催化剂14的氧化反应期间产生的反应热在前一阶段中将颗粒过滤器13中收集的颗粒燃烧。在将废气9的一部分从排气侧再循环到进气侧的同时进行颗粒过滤器13的强制再生，并且当至少一个条件不满足第一个条件时，废气9的再循环停止条件是再生时间不超过预定时间，并且在强制再生期间点火开关22未断开的第二状态。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2008280949A 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：JP2008280949A
公开(公告)日：2008-11-20
申请号：JP2007126902
申请日：2007-05-11
申请人： 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
发明人： ITO KAZUHIRO , ODA TOMIHISA , ITO TAKEKAZU , TAUCHI YUTAKA , TOSHIOKA TOSHISUKE , YOKOTA HARUYUKI , SHIMIZU TAKAHARU , SATO SHINYA , NINOMIYA HIROYUKI , YABE MASAHIKO
IPC分类号： F01N3/08 , B01D53/94 , F01N3/24 , F01N3/28
CPC分类号： Y02C20/10
摘要： PROBLEM TO BE SOLVED: To calculate a urea supply amount while considering the adsorption and release of NOx on and from a NOx adsorption catalyst. SOLUTION: This exhaust emission control device comprises a NOx selective reduction catalyst 15 arranged in an engine exhaust passage, and the NOx adsorption catalyst 12 arranged in the engine exhaust passage on the upstream side of the NOx selective reduction catalyst 15. It calculates the amount of NOx to be adsorbed on the NOx adsorption catalyst 12, and increases a urea supply amount in proportion to an increase in the amount of NOx adsorbed on the NOx adsorption catalyst 12. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：考虑在NO x吸附催化剂上和从NOx吸附催化剂上吸附和释放NOx时，计算尿素供给量。解决方案：该废气排放控制装置包括布置在发动机排气通道中的NOx选择还原催化剂15和排列在NOx选择还原催化剂15的上游侧的发动机排气通道中的NOx吸附催化剂12.它计算吸附在NOx吸附催化剂12上的NOx的量，并且与NOx吸附催化剂12上吸附的NOx的量的增加成比例地增加尿素供给量。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2005069176A Exhaust emission purifier device of internal combustion engine 有权
标题翻译：内燃机排气净化装置
公开(公告)号：JP2005069176A
公开(公告)日：2005-03-17
申请号：JP2003303146
申请日：2003-08-27
申请人： 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
发明人： KAMOSHITA SHINJI , SHOJI AKIRA , YABE MASAHIKO
IPC分类号： F01N3/00 , B01D53/94 , F01N3/08 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To provide a technology capable of upgrading a detection accuracy of exhaust temperatures by an exhaust temperature sensor in an exhaust emission purifier device of internal combustion engine. SOLUTION: The purifier device includes a bulkhead 301 having a plurality of through-holes 301b from an upstream, an exhaust temperature sensor 4 equipped with a detecting element 4a, a casing 3 storing a catalyst 303a having an oxidizing function and provided in an exhaust passage, and a reducing agent supplying means for supplying the reducing agent from upper stream side than the bulkhead 301. The detecting element 4a of the exhaust temperature sensor 4 is projected on the bulkhead 301 parallel to the circulating direction of exhaust gas, and a through-hole 301c is provided such that it overlaps the projected detecting element. Further, the size of the through-hole 301c that overlaps the projected detecting element 4a is made larger than the ones of the other through-holes 301b. Consequently, the volume of exhaust gas that passes through the detecting element 4a can be larger. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过内燃机的排气净化装置中的排气温度传感器来提高排气温度的检测精度的技术。解决方案：净化装置包括：隔板301，其具有来自上游的多个通孔301b，配备有检测元件4a的排气温度传感器4;存储具有氧化功能的催化剂303a的壳体3，排气通道和还原剂供给装置，用于从上游侧向隔板301供给还原剂。排气温度传感器4的检测元件4a与排气的循环方向平行地突出在隔板301上，通孔301c设置成与突出的检测元件重叠。此外，与突出的检测元件4a重叠的通孔301c的尺寸比其他通孔301b的尺寸大。因此，能够使通过检测元件4a的排气量变大。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2009013932A 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：JP2009013932A
公开(公告)日：2009-01-22
申请号：JP2007178713
申请日：2007-07-06
申请人： 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
发明人： YABE MASAHIKO , YOKOTA HARUYUKI , SHIMIZU TAKAHARU , NINOMIYA HIROYUKI , SATO SHINYA , KANEDA TAKESHI , TOSHIOKA TOSHISUKE , WATABE SATORU , ODA TOMIHISA , TAUCHI YUTAKA
IPC分类号： F01N3/08 , F01N3/02 , F01N3/28
CPC分类号： F01N3/2066 , F01N13/009 , F01N2570/14 , F01N2610/02 , Y02A50/2344 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To obtain excellent NOx reducing effect from an exhaust temperature lower than a conventional one without causing a trouble in engine starting or the like after long time engine stop.
SOLUTION: An exhaust emission control device which includes at some midpoint of an exhaust pipe 4 a selective reduction type catalyst 5 capable of 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 a particulate filter 10 attaching an oxidation catalyst 9 to a front stage thereof in the exhaust pipe 4 on the upstream side from an adding position of the urea water 6, and NOx adsorbing catalyst 17 having a property in which NOx in the exhaust 3 is physically adsorbed at a temperature lower than an active lower limit temperature of the selective reduction type catalyst 5 and the absorbed NOx is discharged at a temperature near an active lower limit temperature of the selective reduction type catalyst 5, between the particulate filter 10 and an adding position of the urea water 6.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了从低于常规排气温度的废气温度获得优异的NOx还原效果，在长时间的发动机停止后不会引起发动机起动等问题。解决方案：一种废气排放控制装置，其在排气管4的一些中点处包括选择性还原型催化剂5，其能够在氧气存在下选择性地使NOx与氨反应，并且通过添加尿素水来减少和控制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6，在从上游侧的排气管4中设置有将氧化催化剂9附着到前级的微粒过滤器10 在低于选择还原型催化剂5的活性下限温度和吸收的NOx的温度下，具有排气3中的NOx被物理吸附的特性的NOx吸附催化剂17的排出位置排出颗粒过滤器10与尿素水6的添加位置之间的选择还原型催化剂5的活性下限温度附近的温度。 YRIGHT：（C）2009，JPO＆INPIT

6. 发明专利

JP2005083276A 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：JP2005083276A
公开(公告)日：2005-03-31
申请号：JP2003317148
申请日：2003-09-09
申请人： 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
发明人： KAMOSHITA SHINJI , SHOJI AKIRA , YABE MASAHIKO
IPC分类号： B01D53/56 , B01D53/94 , F01N3/02 , F01N3/24 , F01N3/28 , F01N3/36 , F01N13/08 , F01N7/08
摘要： PROBLEM TO BE SOLVED: To provide technique for inhibiting operation of an exhaust throttle valve from being restricted by a reducing agent in an exhaust emission control system of an internal combustion engine. SOLUTION: This comprises a catalyst having an oxidizing function, a reducing agent supply means for supplying the reducing agent to exhaust gas upstream the catalyst of the oxidizing function, the exhaust throttle valve provided downstream the reducing agent supply means and upstream the catalyst of the oxidizing function, and a reducing agent separation means 9(91a) provided downstream the reducing agent supply means and upstream the exhaust throttle valve for moving the reducing agent attached to a wall surface of an exhaust passage upstream the exhaust throttle valve from the wall surface of the exhaust passage into the exhaust gas. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于禁止排气节流阀的操作受到内燃机的废气排放控制系统中的还原剂的限制的技术。解决方案：包括具有氧化功能的催化剂，还原剂供应装置，用于将还原剂供应到氧化功能催化剂上游的废气中，排气节流阀设置在还原剂供应装置的下游和催化剂上游的氧化功能的还原剂分离装置9（91a）和设置在还原剂供给装置下游的排气节流阀的下游的还原剂分离装置9（91a），用于将附着在排气节流阀上游的排气通道的壁表面的还原剂从壁排气通道的表面进入废气。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2009013930A Exhaust gas purification device 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2009013930A
公开(公告)日：2009-01-22
申请号：JP2007178711
申请日：2007-07-06
申请人： 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
发明人： YABE MASAHIKO , YOKOTA HARUYUKI , SHIMIZU TAKAHARU , NINOMIYA HIROYUKI , SATO SHINYA , TAGAMI YOSHIHIRO , TAUCHI YUTAKA , WATABE SATORU , ODA TOMIHISA , TOSHIOKA TOSHISUKE
IPC分类号： F01N3/08 , B01D53/94 , F01N3/28
CPC分类号： F01N3/2066 , B01D53/9431 , B01D53/9495 , B01D2251/2067 , B01D2257/404 , B01D2258/012 , F01N13/009 , F01N2570/14 , F01N2610/02 , Y02A50/2325 , Y02A50/2344 , Y02T10/24
摘要： 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
摘要翻译：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

8. 发明专利

JP2005016393A Exhaust-emission control system of internal combustion engine 审中-公开
标题翻译：内燃机排气控制系统
公开(公告)号：JP2005016393A
公开(公告)日：2005-01-20
申请号：JP2003181533
申请日：2003-06-25
申请人： 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
发明人： KAMOSHITA SHINJI , SHOJI AKIRA , YABE MASAHIKO , SUZUKI NAOTO , KOYANAGI YOSHITAKE
IPC分类号： F02M25/07 , B01D46/42 , B01D53/94 , F01N3/02 , F01N3/08 , F01N3/18 , F01N3/24 , F01N3/36 , F02D21/08 , F02D41/04 , F02D41/38 , F02D43/00
CPC分类号： F02M26/47 , F02M26/05 , F02M26/23 , F02M26/35
摘要： PROBLEM TO BE SOLVED: To maintain capacity for oxidation of an EGR catalyst by oxidatively removing PM deposited on the EGR catalyst, and prevent melting loss of the EGR catalyst in an exhaust-emission control system of an internal combustion engine provided with an EGR system having the EGR catalyst. SOLUTION: The exhaust-emission control system is provided with an exhaust-emission control means for trapping particulates contained in exhaust gas, an EGR passage, an EGR cooler, the EGR catalyst, and an EGR valve. In the combustion cycle of the internal combustion engine, a secondary injection of an additional fuel-injection is carried out at a specified timing after a primary injection in order to oxidatively remove particulates trapped by the exhaust-emission control means, and at the same time exhaust gas is allowed to flow to the EGR catalyst through the EGR passage by opening the EGR valve (S107-S112) in a specified period during the secondary injection is being carried out. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了通过氧化除去在EGR催化剂上沉积的PM来保持EGR催化剂的氧化能力，并且防止在设置有EGR催化剂的内燃机的废气排放控制系统中的EGR催化剂的熔化损失 EGR系统具有EGR催化剂。解决方案：废气排放控制系统设置有排气排放控制装置，用于捕集废气中包含的微粒，EGR通道，EGR冷却器，EGR催化剂和EGR阀。在内燃机的燃烧循环中，在一次喷射之后的特定时刻进行附加燃料喷射的二次喷射，以氧化除去由废气排放控制装置捕获的微粒，同时在执行二次注射期间，通过打开EGR阀（S107-S112），允许废气通过EGR通路流到EGR催化剂。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2012241611A Method of manual regeneration of particulate filter 有权
标题翻译：颗粒过滤器手动再生方法
公开(公告)号：JP2012241611A
公开(公告)日：2012-12-10
申请号：JP2011112208
申请日：2011-05-19
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： YABE MASAHIKO , YAMAZUMI HIDEMASA , TAKUBO KENSUKE
IPC分类号： F01N3/023 , B01D46/42 , F01N3/025 , F01N3/029 , F01N3/24
CPC分类号： F01N3/023 , B01D46/0063 , B01D46/2418 , B01D46/42 , B01D2279/30 , F01N3/0235 , F01N3/103 , F01N9/002 , F01N13/008 , F01N13/0097 , F01N2240/36 , F01N2430/06 , F01N2430/085 , F01N2900/12 , F01N2900/1404 , F02D41/0245 , F02D41/025 , F02D41/029 , F02D2200/604 , Y02A50/2322 , Y02T10/26 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To shorten regeneration time by raising a temperature of a particulate filter in a short time period, even when an auxiliary machine is already operating at the start of manual regeneration.SOLUTION: Manual regeneration of a particulate filter 6 is started while a vehicle is at rest to narrow down an exhaust flow path by an exhaust brake 14, causing increase of an engine load leading to increase of a fuel injection amount thereby raising temperatures of an exhaust gas 3, and subsequently fuel addition is started by post-injection of a fuel injection apparatus 10, and regeneration of the particulate filter 6 is achieved by reaction heat when the added fuel has performed oxidation reaction on an oxidation catalyst 5. In the method, it is determined whether fuel injection amount after starting the manual regeneration exceeds a reference value, and only if the fuel injection amount exceeds the reference value, narrowing-down of the exhaust flow path of the exhaust brake 14 is released when an exhaust temperature at an inlet of the particulate filter 6 has become a reference temperature or higher.
摘要翻译：要解决的问题：即使在手动再生开始时辅助机器已经运行，通过在短时间内提高微粒过滤器的温度来缩短再生时间。解决方案：当车辆静止时，开始微粒过滤器6的手动再生以通过排气制动器14使排气流路狭窄，引起发动机负载的增加，从而增加燃料喷射量，从而升高温度的废气3，并且随后通过喷射燃料喷射装置10开始燃料添加，并且当添加的燃料在氧化催化剂5上进行氧化反应时，通过反应热来实现颗粒过滤器6的再生。该方法中，确定在手动再生开始后的燃料喷射量是否超过基准值，并且仅当燃料喷射量超过基准值时，排气制动器14的排气流路的减速度在排气微粒过滤器6的入口处的温度已经成为基准温度以上。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2011099336A Method for regenerating particulate filter 有权
标题翻译：再生颗粒过滤器的方法
公开(公告)号：JP2011099336A
公开(公告)日：2011-05-19
申请号：JP2009252870
申请日：2009-11-04
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： YABE MASAHIKO , TAGAMI YOSHIHIRO , OGIMOTO KATSUSHI , HAYASHI TAKAHIKO , KANEDA TAKESHI
IPC分类号： F01N3/02 , B01D46/42 , F01N3/24 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To suppress a noise level by holding down an increase in idling rotation speed to a required minimum in manual regeneration. SOLUTION: An exhaust temperature at the inlet side of an oxidation catalyst 14 is measured after the start of forced regeneration by an operator's manual operation, and whether the exhaust temperature is not lower than temperatures of a plurality of different targets is confirmed sequentially stepwise from the lower side of the target temperatures. When it is confirmed that the exhaust temperature is not lower than the highest target temperature, fuel addition by a fuel addition valve 15 is started waiting for the exhaust temperature to reach the final fuel addition start temperature. On the other hand, when the exhaust temperature is in transit in each confirmation stage of each target temperature, temperature confirmation at the in-transit target temperature is repeated for a predetermined time, and when the exhaust temperature does not reach the in-transit target temperature even after the lapse of the predetermined time, the idling rotation speed is added by each predetermined number of times. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过将怠速转速的增加抑制到手动再生中所需的最小值来抑制噪声水平。解决方案：在通过操作者的手动操作开始强制再生之后测量氧化催化剂14的入口侧的排气温度，并且顺序地确定排气温度是否不低于多个不同靶的温度从目标温度的一侧逐步降低。当确定排气温度不低于最高目标温度时，燃料添加阀15的燃料添加开始等待排气温度达到最终燃料添加开始温度。另一方面，当在每个目标温度的每个确认阶段中排气温度过渡时，在预定时间内重复在过境目标温度下的温度确认，并且当排气温度未达到转入目标时即使在经过了规定时间之后，空转转速也相加预定次数。版权所有（C）2011，JPO＆INPIT

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