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1. 发明申请

US20100307135A1 APPARATUS AND METHOD FOR DIAGNOSING CATALYST DETERIORATION 有权
标题翻译：用于诊断催化剂测定的装置和方法
公开(公告)号：US20100307135A1
公开(公告)日：2010-12-09
申请号：US12812350
申请日：2009-02-27
申请人： Hiroshi Miyamoto , Toru Kidokoro , Hiroshi Sawada , Yasushi Iwazaki , Koichi Kimura , Koichi Kitaura
发明人： Hiroshi Miyamoto , Toru Kidokoro , Hiroshi Sawada , Yasushi Iwazaki , Koichi Kimura , Koichi Kitaura
IPC分类号： F01N11/00
CPC分类号： F01N11/007 , F01N11/00 , F02D41/0235 , F02D41/1441 , F02D2200/0816 , Y02T10/47
摘要： A catalyst deterioration diagnosing apparatus is provided with means for performing stoichiometric feedback control on the air-fuel ratio based on at least output from an upstream air-fuel ratio sensor provided upstream of a catalyst, means for measuring the oxygen storage capacity of the catalyst, and means for correcting the measured value of the oxygen storage capacity based on at least the output behavior of a downstream air-fuel ratio sensor provided downstream of the catalyst during the stoichiometric feedback control. The measured value of the oxygen storage capacity is corrected using the output behavior of the downstream air-fuel ratio sensor during stoichiometric feedback control. The diagnostic is performed after eliminating the effects from sulfur by correcting the measured value to a value corresponding to when low sulfur fuel is used, which makes it possible to prevent an erroneous diagnosis from being made.
摘要翻译：催化剂劣化诊断装置具有至少基于设置在催化剂上游的上游空燃比传感器的输出而对空燃比进行化学计量反馈控制的装置，用于测量催化剂的储氧能力的装置，以及用于在化学计量反馈控制期间至少基于设置在催化剂下游的下游空燃比传感器的输出特性来校正储氧能力的测量值的装置。在化学计量反馈控制中，使用下游空燃比传感器的输出特性来校正储氧容量的测量值。在通过将测量值校正为与使用低硫燃料时相对应的值来消除硫的影响之后执行诊断，这使得可以防止进行错误的诊断。

2. 发明授权

US08534046B2 Apparatus and method for diagnosing catalyst deterioration 有权
标题翻译：用于诊断催化剂劣化的装置和方法
公开(公告)号：US08534046B2
公开(公告)日：2013-09-17
申请号：US12812350
申请日：2009-02-27
申请人： Hiroshi Miyamoto , Toru Kidokoro , Hiroshi Sawada , Yasushi Iwazaki , Koichi Kimura , Koichi Kitaura
发明人： Hiroshi Miyamoto , Toru Kidokoro , Hiroshi Sawada , Yasushi Iwazaki , Koichi Kimura , Koichi Kitaura
IPC分类号： F01N3/00
CPC分类号： F01N11/007 , F01N11/00 , F02D41/0235 , F02D41/1441 , F02D2200/0816 , Y02T10/47
摘要： A catalyst deterioration diagnosing apparatus is provided with means for performing stoichiometric feedback control on the air-fuel ratio based on at least output from an upstream air-fuel ratio sensor provided upstream of a catalyst, means for measuring the oxygen storage capacity of the catalyst, and means for correcting the measured value of the oxygen storage capacity based on at least the output behavior of a downstream air-fuel ratio sensor provided downstream of the catalyst during the stoichiometric feedback control. The measured value of the oxygen storage capacity is corrected using the output behavior of the downstream air-fuel ratio sensor during stoichiometric feedback control. The diagnostic is performed after eliminating the effects from sulfur by correcting the measured value to a value corresponding to when low sulfur fuel is used, which makes it possible to prevent an erroneous diagnosis from being made.
摘要翻译：催化剂劣化诊断装置具有至少基于设置在催化剂上游的上游空燃比传感器的输出而对空燃比进行化学计量反馈控制的装置，用于测量催化剂的储氧能力的装置，以及用于在化学计量反馈控制期间至少基于设置在催化剂下游的下游空燃比传感器的输出特性来校正储氧能力的测量值的装置。在化学计量反馈控制中，使用下游空燃比传感器的输出特性来校正储氧容量的测量值。在通过将测量值校正为与使用低硫燃料时相对应的值来消除硫的影响之后执行诊断，这使得可以防止进行错误的诊断。

3. 发明申请

US20100083635A1 CATALYST MONITORING SYSTEM AND CATALYST MONITORING METHOD 审中-公开
标题翻译：催化监测系统和催化监测方法
公开(公告)号：US20100083635A1
公开(公告)日：2010-04-08
申请号：US12530031
申请日：2008-03-05
申请人： Koichi Kitaura , Toru Kidokoro , Hiroshi Sawada , Yasushi Iwazaki , Koichi Kimura
发明人： Koichi Kitaura , Toru Kidokoro , Hiroshi Sawada , Yasushi Iwazaki , Koichi Kimura
IPC分类号： F01N11/00 , F02D43/00
CPC分类号： F01N11/007 , F01N3/10 , F01N2550/02 , F01N2560/023 , Y02T10/22 , Y02T10/47
摘要： The concentration of a portion of components in the hydrocarbon in exhaust gas flowing into a catalyst is detected or estimated, and the concentration of the portion of components in the hydrocarbon in the exhaust gas flowing out of the catalyst is detected. On the basis of the concentrations of the portion of components in the hydrocarbon flowing into the catalyst and the concentration of the portion of components in the hydrocarbon flowing out of the catalyst, it is determined whether or not the catalyst has been deteriorated.
摘要翻译：检测或估计流入催化剂的废气中的烃中的一部分成分的浓度，并且检测出从催化剂流出的废气中的烃中部分成分的浓度。基于流入催化剂的烃中的组分部分浓度和流出催化剂的烃中的组分部分的浓度，确定催化剂是否劣化。

4. 发明申请

US20080173008A1 Catalyst deterioration detecting system and catalyst deterioration detecting method of internal combustion engine 审中-公开
标题翻译：催化剂劣化检测系统和内燃机催化剂劣化检测方法
公开(公告)号：US20080173008A1
公开(公告)日：2008-07-24
申请号：US12007564
申请日：2008-01-11
申请人： Toru Kidokoro , Koichi Kimura , Koichi Kitaura
发明人： Toru Kidokoro , Koichi Kimura , Koichi Kitaura
IPC分类号： F01N3/00 , F01N3/18 , F01N3/08
CPC分类号： F01N11/007 , F01N11/002 , F01N2550/02 , Y02T10/47
摘要： A catalyst deterioration detecting system of an internal combustion engine includes a measuring unit that measures the oxygen storage capacity of a catalyst, a detector that detects or estimates the temperature of the catalyst, and a detector that detects poisoning of the catalyst based on the relationship between a change in the catalyst temperature and a change in the oxygen storage capacity corresponding to the change in the catalyst temperature. The change in the oxygen storage capacity corresponding to the change in the catalyst temperature varies depending on the presence or absence of poisoning of the catalyst. Thus, the catalyst deterioration detecting system is able to favorably detect poisoning of the catalyst by utilizing this relationship, and distinguish temporary deterioration due to catalyst poisoning from permanent deterioration. A method of detecting deterioration of the catalyst is also provided.
摘要翻译：内燃机的催化剂劣化检测系统包括测量催化剂的储氧能力的测量单元，检测或估计催化剂温度的检测器，以及检测催化剂中毒的检测器，催化剂温度的变化和对应于催化剂温度变化的储氧能力的变化。对应于催化剂温度变化的储氧容量的变化取决于催化剂是否存在中毒。因此，催化剂劣化检测系统能够通过利用这种关系有利地检测催化剂的中毒，并且将由于催化剂中毒引起的暂时劣化区分为永久性劣化。还提供了一种检测催化剂劣化的方法。

5. 发明申请

US20090145109A1 Catalyst degradation diagnosis device and diagnosis method for internal combustion engine 审中-公开
标题翻译：催化剂降解诊断装置及内燃机诊断方法
公开(公告)号：US20090145109A1
公开(公告)日：2009-06-11
申请号：US12314053
申请日：2008-12-03
申请人： Toru Kidokoro , Koichi Kimura , Koichi Kitaura
发明人： Toru Kidokoro , Koichi Kimura , Koichi Kitaura
IPC分类号： F01N11/00
CPC分类号： F01N11/007 , F01N3/0864 , F01N3/101 , F01N13/009 , F01N2550/02 , F01N2560/025 , F01N2560/14 , F01N2900/102 , F01N2900/1624 , Y02T10/22 , Y02T10/47
摘要： The oxygen storage capacity preceding a previous oxygen storage capacity and the previous oxygen storage capacity of each of an upstream catalyst and a downstream catalyst are measured, and a present oxygen storage capacity of the downstream catalyst is measured. Then, sulfur poisoning of the upstream catalyst and the downstream catalyst is detected on the basis of an oxygen storage capacity change amount of each of the upstream catalyst and the downstream catalyst from the oxygen storage capacity preceding the previous one to the previous oxygen storage capacity, and the oxygen storage capacity change amount of the downstream catalyst from the previous oxygen storage capacity to the present oxygen storage capacity. The presence/absence of the sulfur poisoning can be accurately detected by utilizing the difference between the manners of sulfur poisoning of the two catalysts.
摘要翻译：测量先前的氧气存储容量之前的储氧能力和上游催化剂和下游催化剂的先前的氧气存储容量，并测量下游催化剂的当前储氧能力。然后，基于上游催化剂和下游催化剂的储氧容量变化量，从前一次的储氧容量到先前的储氧容量，检测上游催化剂和下游催化剂的硫中毒，和下游催化剂的储氧能力变化量从先前的储氧能力到当前的储氧容量。通过利用两种催化剂的硫中毒方式之间的差异能够准确地检测是否存在硫中毒。

6. 发明申请

US20140129116A1 INTER-CYLINDER AIR-FUEL RATIO VARIATION ABNORMALITY DETECTION APPARATUS FOR MULTICYLINDER INTERNAL COMBUSTION ENGINE 审中-公开
标题翻译：多缸内燃机的气缸内空燃比变化异常检测装置
公开(公告)号：US20140129116A1
公开(公告)日：2014-05-08
申请号：US14072374
申请日：2013-11-05
申请人： Kenji Suzuki , Yasushi Iwazaki , Koichi Kitaura , Hiroshi Miyamoto
发明人： Kenji Suzuki , Yasushi Iwazaki , Koichi Kitaura , Hiroshi Miyamoto
IPC分类号： F02D41/02
CPC分类号： F02D41/1495 , F02D41/1441 , F02D41/1498 , F02D2250/24
摘要： An inter-cylinder air-fuel ratio variation abnormality detection apparatus for a multicylinder internal combustion engine according to the present invention detects variation abnormality based on a rotational fluctuation of the internal combustion engine. Number-of-rotations feedback control is preformed to make the number of rotations of the internal combustion engine equal to a predetermined target number of rotations. The amount of power generated by a power generation device driven by the internal combustion engine is controlled so as to bring the load on the internal combustion engine into a target range when the abnormality detection is carried out.
摘要翻译：根据本发明的用于多缸内燃机的缸内空燃比变化异常检测装置基于内燃机的旋转波动检测变化异常。进行转数反馈控制以使内燃机的转数等于预定的目标转数。控制由内燃机驱动的发电装置产生的动力量，以便在执行异常检测时使内燃机的负荷达到目标范围。

7. 发明授权

US08359827B2 Abnormality diagnosis system and method for diagnosing abnormality in filter regeneration system 失效
标题翻译：异常诊断系统及过滤器再生系统异常诊断方法
公开(公告)号：US08359827B2
公开(公告)日：2013-01-29
申请号：US12677277
申请日：2009-02-24
申请人： Daisuke Shibata , Koichi Kitaura , Hiroshi Sawada , Tatsuya Tsuji
发明人： Daisuke Shibata , Koichi Kitaura , Hiroshi Sawada , Tatsuya Tsuji
IPC分类号： F01N3/00
CPC分类号： F01N3/025 , F01N9/002 , F01N11/002 , F01N2550/04 , F01N2900/0601 , F01N2900/1606 , Y02T10/47
摘要： The invention intends to provide a technology which makes it possible to diagnose with higher accuracy whether or not abnormality occurs in a filter regeneration system causing excessive execution frequency of a regeneration process. The filter regeneration system initiates execution of the regeneration process, incase an estimated particulate matter (PM) accumulation amount at the filter reaches a pre-determined regeneration requiring accumulation amount; or in case the pressure upstream of the filter or the differential pressure across the filter reaches a pre-determined regeneration requiring value, the value being larger than the pressure or the differential pressure corresponding to the regeneration requiring accumulation amount. Then, the diagnosis is carried out based on a ratio of an estimated PM accumulation amount at the initiation of the execution of the regeneration process to the regeneration requiring accumulation amount.
摘要翻译：本发明旨在提供一种能够以更高精度诊断导致再生处理的过度执行频率的过滤器再生系统中发生异常的技术。过滤器再生系统启动再生处理的执行，使得在过滤器处的估计的颗粒物质（PM）累积量达到预定的再生需要累积量; 或者在过滤器上游的压力或过滤器上的压差达到预定的再生需求值的情况下，该值大于对应于再生需要累积量的压力或压差。然后，基于再生处理开始时的估计PM积累量与再生需求累积量的比例进行诊断。

8. 发明申请

US20110314792A1 ABNORMALITY DIAGNOSIS SYSTEM AND METHOD FOR DIAGNOSING ABNORMALITY IN FILTER REGENERATION SYSTEM 失效
标题翻译：过滤器再生系统异常诊断系统及诊断方法
公开(公告)号：US20110314792A1
公开(公告)日：2011-12-29
申请号：US12677277
申请日：2009-02-24
申请人： Daisuke Shibata , Koichi Kitaura , Hiroshi Sawada , Tatsuya Tsuji
发明人： Daisuke Shibata , Koichi Kitaura , Hiroshi Sawada , Tatsuya Tsuji
IPC分类号： F01N11/00
CPC分类号： F01N3/025 , F01N9/002 , F01N11/002 , F01N2550/04 , F01N2900/0601 , F01N2900/1606 , Y02T10/47
摘要： The invention intends to provide a technology which makes it possible to diagnose with higher accuracy whether or not abnormality occurs in a filter regeneration system causing excessive execution frequency of a regeneration process. The filter regeneration system initiates execution of the regeneration process, incase an estimated particulate matter (PM) accumulation amount at the filter reaches a pre-determined regeneration requiring accumulation amount; or in case the pressure upstream of the filter or the differential pressure across the filter reaches a pre-determined regeneration requiring value, the value being larger than the pressure or the differential pressure corresponding to the regeneration requiring accumulation amount. Then, the diagnosis is carried out based on a ratio of an estimated PM accumulation amount at the initiation of the execution of the regeneration process to the regeneration requiring accumulation amount.
摘要翻译：本发明旨在提供一种能够以更高精度诊断导致再生处理的过度执行频率的过滤器再生系统中发生异常的技术。过滤器再生系统启动再生处理的执行，使得在过滤器处的估计的颗粒物质（PM）累积量达到预定的再生需要累积量; 或者在过滤器上游的压力或过滤器上的压差达到预定的再生需求值的情况下，该值大于对应于再生需要累积量的压力或压差。然后，基于再生处理开始时的估计PM积累量与再生需求累积量的比例进行诊断。

9. 发明申请

US20150152769A1 CATALYST DETERIORATION DETERMINATION SYSTEM 有权
标题翻译：催化剂测定系统
公开(公告)号：US20150152769A1
公开(公告)日：2015-06-04
申请号：US14404340
申请日：2012-05-28
申请人： Keiichiro Aoki , Koichi Kitaura , Go Hayashita
发明人： Keiichiro Aoki , Koichi Kitaura , Go Hayashita
IPC分类号： F01N11/00 , G01M15/10
CPC分类号： F01N11/007 , F01N2550/02 , F01N2560/025 , F02D41/0235 , F02D41/1441 , F02D41/1454 , F02D41/1456 , F02D2200/0816 , G01M15/104 , Y02T10/47
摘要： A catalyst deterioration determination system for determining deterioration of an exhaust gas purification catalyst having a capability of storing oxygen determines deterioration of the exhaust gas purification catalyst on the basis of its oxygen storage capacity. The system includes an oxygen concentration sensor provided downstream of the catalyst and having characteristics by which as rich gas components in exhaust gas increase, the oxygen concentration sensor outputs a measurement value of the oxygen concentration corresponding to a richer air-fuel ratio. When determining deterioration, the system performs a rich shift mode in which the exhaust gas air-fuel ratio is shifted from a lean air-fuel ratio to a rich air-fuel ratio and a lean shift mode in which the exhaust gas air-fuel ratio is shifted from a rich air-fuel ratio to a lean air-fuel ratio by exhaust gas air-fuel ratio control means, based on the measurement value of the oxygen concentration sensor. The rate of change of the exhaust gas air-fuel ratio in at least the lean shift mode among the rich shift mode and the lean shift mode is limited to a predetermined rate of change or lower, and the rate of change of the exhaust gas air-fuel ratio in the rich shift mode is set higher than the rate of change of the exhaust gas air furl ratio in the lean shift mode.
摘要翻译：用于确定具有存储氧气的废气净化催化剂的劣化的催化剂劣化确定系统基于其储氧能力来确定废气净化催化剂的劣化。该系统包括设置在催化剂下游的氧浓度传感器，其特征在于，随着废气中富含气体成分的增加，氧浓度传感器输出对应于较浓空燃比的氧浓度的测量值。当确定劣化时，系统执行富排气模式，其中废气空燃比从稀空燃比转变为浓空气燃料比和贫排气模式，其中排气空燃比基于氧浓度传感器的测量值，通过废气空燃比控制装置从浓空燃比转变为稀空燃比。在富变换模式和稀班模式之间的至少贫偏模式中的排气空燃比的变化率被限制在预定变化率或更低的变化率，并且排气空气的变化率富排气模式中的燃料比设定为高于贫排气模式中的废气空气流量比的变化率。

10. 发明授权

US06837040B2 In-cylinder injection type spark-ignition internal combustion engine and control method thereof 失效
标题翻译：缸内喷射型火花点火内燃机及其控制方法
公开(公告)号：US06837040B2
公开(公告)日：2005-01-04
申请号：US10373804
申请日：2003-02-27
申请人： Yukihiro Sonoda , Yasuyuki Irisawa , Takashi Tsunooka , Koichi Kitaura
发明人： Yukihiro Sonoda , Yasuyuki Irisawa , Takashi Tsunooka , Koichi Kitaura
IPC分类号： F01L1/34 , F01L13/00 , F01N3/20 , F01N3/24 , F02B17/00 , F02B23/10 , F02B75/12 , F02D13/02 , F02D41/00 , F02D41/02 , F02D41/06 , F02D41/30 , F02D43/00 , F02D45/00 , F02P5/15 , F01N3/00
CPC分类号： F02D13/0261 , F01L1/34 , F01L13/00 , F01N2430/08 , F02B17/005 , F02B23/104 , F02B2075/125 , F02D41/0002 , F02D41/0255 , F02D41/064 , F02D41/068 , F02D41/3023 , F02D2013/0292 , F02D2041/001 , F02D2041/389 , F02D2200/023 , F02D2200/0802 , F02P5/1506 , Y02T10/123 , Y02T10/18 , Y02T10/26 , Y02T10/42 , Y02T10/46
摘要： An in-cylinder injection type spark-ignition internal combustion engine and a control method thereof realize a stabilized stratified-charge combustion by setting a large lift amount to an intake valve when the engine is cold-started and by executing a compression stroke injection. At this time, warming-up capability of a catalyst is improved by delaying an ignition timing.
摘要翻译：一种缸内喷射式火花点火内燃机及其控制方法，其通过在发动机冷启动时通过对进气门设定大的提升量并通过执行压缩冲程喷射来实现稳定的分层充气燃烧。此时，通过延迟点火正时来提高催化剂的预热能力。

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