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1. 发明专利

JP2011231732A Device for detection of abnormality in egr system 审中-公开
标题翻译：用于检测EGR系统异常的装置
公开(公告)号：JP2011231732A
公开(公告)日：2011-11-17
申请号：JP2010104976
申请日：2010-04-30
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TAHIRA SHINYA , NAKAMURA YOSHITAKA , KIDOKORO TORU , SAWADA YUTAKA
IPC分类号： F02D45/00 , F02B37/00 , F02B39/16 , F02M25/07 , F02M35/10
CPC分类号： Y02T10/121 , Y02T10/144
摘要： PROBLEM TO BE SOLVED: To specify the position of a hole made in an inlet passage in an EGR system provided with a high pressure EGR device and a low pressure EGR device.SOLUTION: An apparatus for detection of abnormality in EGR system includes: a detector for detecting the amount of air flowing through an inlet passage with the detection position set in an upper stream side than a position where a low-pressure EGR passage is connected; and a calculator for calculating the target value. The position of the hole made in the inlet passage is determined based on the difference between the air amount detected when only a high-pressure EGP gas is fed and the air amount detected when only a low-pressure EGP gas is fed, and the difference between the air amount detected when only either of a high-pressure gas or a low-pressure gas is fed and the target value.
摘要翻译：要解决的问题：指定在具有高压EGR装置和低压EGR装置的EGR系统中在入口通道中形成的孔的位置。解决方案：一种用于检测EGR系统中的异常的装置，包括：检测器，用于检测流过入口通道的空气量，其中检测位置设定在上流侧，低于低压EGR通道的位置连接的; 以及用于计算目标值的计算器。基于当仅供给高压EGP气体时检测到的空气量与仅供给低压EGP气体时检测到的空气量之间的差异，确定在入口通道中形成的孔的位置，在仅供给高压气体或低压气体中的任何一个时检测到的空气量与目标值之间。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2010106811A Abnormality diagnostic device for supercharging device 审中-公开
标题翻译：用于超级装置的异常诊断装置
公开(公告)号：JP2010106811A
公开(公告)日：2010-05-13
申请号：JP2008282086
申请日：2008-10-31
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： NAKAMURA YOSHITAKA , AOYAMA TARO , TAHIRA SHINYA
IPC分类号： F02B39/16 , F02B37/007 , F02B37/16 , F02B37/24 , F02D23/02 , F02D45/00
CPC分类号： Y02T10/144
摘要： PROBLEM TO BE SOLVED: To provide an abnormality diagnostic device for a supercharging device diagnosing which one of an intake-side mechanism and an exhaust-side mechanism causes abnormality of supercharging pressure, based on output of a sensor monitoring the supercharging pressure and the output of a sensor provided to the exhaust-side mechanism. SOLUTION: This abnormality diagnostic device for the supercharging device 40 diagnoses abnormality of the supercharging device 40 provided with the supercharging pressure sensor 51, a discharge regulating valve 46 of the exhaust-side mechanism, and the like, when there is the abnormality of the supercharging pressure with the actual supercharging pressure excessively deviated from a target supercharging pressure. In a first determination process, it is determined whether or not there is the abnormality of the supercharging pressure, and in a second determination process, it is determined whether or not there is the abnormality in the exhaust-side mechanism based on the output of the discharge regulating valve 46 or the like. When it is determined in the first and second determination processes that there is the abnormality of the supercharging pressure and there is no abnormality in the exhaust-side mechanism, the fact that the abnormality of the supercharging pressure is caused by the intake-side mechanism is set as a result of abnormal diagnosis. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于诊断进气侧机构和排气侧机构中的哪一个导致增压压力异常的增压装置的异常诊断装置，基于监测增压压力的传感器的输出，以及提供给排气侧机构的传感器的输出。解决方案：这种用于增压装置40的异常诊断装置诊断设有增压压力传感器51的增压装置40，排气侧机构的排放调节阀46等的异常，当发生异常时的增压压力与实际增压压力过度偏离目标增压压力。在第一确定处理中，确定是否存在增压压力的异常，并且在第二确定处理中，基于所述排气侧机构的输出来确定排气侧机构是否存在异常排出调节阀46等。当在第一和第二确定处理中确定增压压力的异常并且排气侧机构没有异常时，增压压力的异常由进气侧机构引起的事实是作为异常诊断的结果。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2011226437A Abnormality detection device and method of egr system 审中-公开
标题翻译：异常检测装置和EGR系统的方法
公开(公告)号：JP2011226437A
公开(公告)日：2011-11-10
申请号：JP2010098964
申请日：2010-04-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： NAKAMURA YOSHITAKA , KIDOKORO TORU , SAWADA YUTAKA , TAHIRA SHINYA
IPC分类号： F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To determine which a high pressure EGR device and a low pressure EGR device has an abnormality when EGR gas is supplied from both the high pressure EGR device and the low pressure EGR device.SOLUTION: An abnormality detection device of an EGR system includes the high pressure EGR device that supplies high pressure EGR gas from an exhaust passage on an upstream than a turbine to an intake passage, and the low pressure EGR device that supplies low pressure EGR gas from the exhaust passage on a downstream than the turbine to the intake passage. The abnormality of the low pressure EGR device is detected from the opening of a high pressure EGR valve when the high pressure EGR gas and the low pressure EGR gas are supplied and also when the high pressure EGR valve is under the feedback control while a low pressure EGR valve is under open-loop control. Afterwards, the abnormality of the high pressure EGR valve is detected from the opening of the low pressure EGR valve when the low pressure EGR valve is under feedback control while the high pressure EGR valve is under the open-loop control.
摘要翻译：要解决的问题：为了确定当从高压EGR装置和低压EGR装置供应EGR气体时，哪个高压EGR装置和低压EGR装置具有异常。解决方案：EGR系统的异常检测装置包括高压EGR装置，其从涡轮机上游的排气通道向进气通道供应高压EGR气体，并且提供低压EGR系统来自排气通道的EGR气体在涡轮下游到进气通道。当提供高压EGR气体和低压EGR气体时，以及当高压EGR阀处于反馈控制下时，从高压EGR阀的打开中检测低压EGR装置的异常，同时低压EGR阀 EGR阀处于开环控制状态。此后，当高压EGR阀处于开环控制状态时，当低压EGR阀处于反馈控制状态时，从低压EGR阀的开度检测出高压EGR阀的异常。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010169008A Abnormality detector for pressure sensor 审中-公开
标题翻译：压力传感器异常检测器
公开(公告)号：JP2010169008A
公开(公告)日：2010-08-05
申请号：JP2009012758
申请日：2009-01-23
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： NAKAMURA YOSHITAKA , AOYAMA TARO , TAHIRA SHINYA
IPC分类号： F02D45/00 , F02B37/00 , F02B37/007 , F02B37/02 , F02B39/16 , F02D23/00
CPC分类号： Y02T10/144
摘要： PROBLEM TO BE SOLVED: To accurately detect an abnormality of a pressure sensor provided in an internal combustion engine having two superchargers. SOLUTION: This abnormality detector for the pressure sensor includes: an intake air changeover valve control means (110) controlling an intake air changeover valve so as to open it when the internal combustion engine (200) is operated in a single turbo mode by closing the intake air changeover valve (6) and an exhaust changeover valve (15), respectively; and a detection means (120) detecting an abnormality of the first or second pressure sensor based on an output value of the first pressure sensor (41) and an output value of the second pressure sensor (42) with the intake air changeover valve opened by the intake air changeover valve control means. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：准确地检测设置在具有两个增压器的内燃机中的压力传感器的异常。解决方案：用于压力传感器的异常检测器包括：进气切换阀控制装置（110），其控制进气切换阀，以便当内燃机（200）以单涡轮模式分别关闭进气切换阀（6）和排气切换阀（15）。以及检测装置（120），其基于所述第一压力传感器（41）的输出值和所述第二压力传感器（42）的输出值检测所述第一或第二压力传感器的异常，所述第二压力传感器（42）的输出值由所述进气切换阀打开，进气切换阀控制装置。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2011226438A Abnormality detection apparatus and method for egr system 审中-公开
标题翻译：异常检测装置和EGR系统的方法
公开(公告)号：JP2011226438A
公开(公告)日：2011-11-10
申请号：JP2010098965
申请日：2010-04-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TAHIRA SHINYA , NAKAMURA YOSHITAKA , KIDOKORO TORU , SAWADA YUTAKA
IPC分类号： F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To determine whether or not an abnormality occurs in a high pressure EGR device and a low pressure EGR device, respectively, even in the case where either the high pressure EGR device or the low pressure EGR device cannot supply an EGR gas by alone.SOLUTION: An abnormality detection apparatus has a high pressure EGR device that supplies a high pressure EGR gas from an exhaust passage located at the upstream of a turbine to an aspiration passage, and a low pressure EGR device that supplies a low pressure EGR gas from an exhaust passage located at the downstream of the turbine to the aspiration passage. The apparatus determines whether or not an abnormality occurs in one EGR device when the EGR gas is supplied from the EGR device, and if the EGR device does not have abnormality, the EGR gas is supplied from both of the EGR devices. At this time, the apparatus open-loop controls an EGR valve of the EGR device and also determines whether or not an abnormality occurs in the other EGR device, based on an opening degree of an EGR valve of the other EGR device when the EGR valve of the other EGR device is feed-back controlled.
摘要翻译：要解决的问题：即使在高压EGR装置或低压EGR装置不能供应的情况下，分别确定高压EGR装置和低压EGR装置中是否发生异常单独的EGR气体。解决方案：异常检测装置具有高压EGR装置，其将来自位于涡轮机上游的排气通道的高压EGR气体供给至抽吸通道;以及低压EGR装置，其供给低压EGR 来自位于涡轮机下游的排气通道的气体到抽吸通道。当从EGR装置供给EGR气体时，该装置判定在一个EGR装置中是否发生异常，如果EGR装置没有异常，则从两个EGR装置供给EGR气体。此时，设备开环控制EGR装置的EGR阀，并且还基于另一个EGR装置的EGR阀的开度来确定另一EGR装置中是否发生异常，当EGR阀的反馈控制。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011185160A Abnormality detection device and abnormality detection method for egr system 审中-公开
标题翻译：异常检测装置和EGR系统异常检测方法
公开(公告)号：JP2011185160A
公开(公告)日：2011-09-22
申请号：JP2010051462
申请日：2010-03-09
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： NAKAMURA YOSHITAKA , KIDOKORO TORU , SAWADA YUTAKA , TAHIRA SHINYA
IPC分类号： F02M25/07 , F02D21/08
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To detect the abnormality of an EGR system with high accuracy.
SOLUTION: This abnormality detection device includes a high-pressure EGR device for supplying high-pressure EGR gas from an exhaust passage on the upstream side of a turbine to an intake passage, and a low-pressure EGR device for supplying low-pressure EGR gas from the exhaust passage on the downstream side of the turbine to the intake passage. The EGR valve of one EGR device is feedback controlled while one EGR device supplies EGR gas. When the opening of the EGR valve is a value showing abnormality, the EGR valve of the other EGR device is feedback controlled while both EGR devices supply EGR gas. When the opening of the EGR valve of the other EGR device is out of a specified range, the abnormality of one EGR device is determined.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：以高精度检测EGR系统的异常。解决方案：该异常检测装置包括用于从涡轮机的上游侧的排气通道向进气通路供给高压EGR气体的高压EGR装置和用于向低压EGR气体供给低压EGR气体的低压EGR装置，来自涡轮机下游侧的排气通路的高压EGR气体到进气通路。一个EGR装置的EGR阀在一个EGR装置供给EGR气体的同时进行反馈控制。当EGR阀的开度是表示异常的值时，另外的EGR装置的EGR阀在两个EGR装置供给EGR气体的同时进行反馈控制。另一个EGR装置的EGR阀的开度在规定范围之外时，一个EGR装置的异常被确定。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010180828A Abnormality determining device for blow-by gas processing system 有权
标题翻译：用于吹气处理系统的异常确定装置
公开(公告)号：JP2010180828A
公开(公告)日：2010-08-19
申请号：JP2009026520
申请日：2009-02-06
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TAHIRA SHINYA , NAKAMURA YOSHITAKA , AOYAMA TARO
IPC分类号： F01M13/00 , F02D21/08
摘要： PROBLEM TO BE SOLVED: To accurately determine existence or nonexistence of abnormality in a blow-by gas processing system used for an internal combustion engine including an EGR system.
SOLUTION: This device is used for an internal combustion engine including an air-flow meter, an EGR system and a blow-by gas processing system. Real EGR rate is obtained based on the quantity of gas sucked into a combustion chamber of the internal combustion engine and a detection valve of the air-flow meter, and target EGR rate is obtained based on the operating condition of the internal combustion engine, and feedback control of EGR opening VR is performed so that the real EGR rate and the target EGR rate coincide with each other. A reference opening VB about EGR opening VR is obtained based on the operating condition of the internal combustion engine (S202), and existence of abnormality in the blow-by gas processing system is determined based on the relation between the reference opening VB and the EGR opening VR (S203-S205).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：精确地确定用于包括EGR系统的内燃机的窜气处理系统中的异常的存在或不存在。解决方案：该装置用于包括空气流量计，EGR系统和窜气处理系统的内燃机。基于吸入内燃机的燃烧室的气体量和空气流量计的检测阀获得实际EGR率，并且基于内燃机的运转状态获得目标EGR率，执行EGR开口VR的反馈控制，使得实际EGR率和目标EGR率彼此一致。基于内燃机的运转状态获得关于EGR开度VR的基准开度VB（S202），并且基于基准开度VB与EGR之间的关系确定窜气处理系统的异常的存在打开VR（S203-S205）。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2011185096A Exhaust recirculation device for internal combustion engine 审中-公开
标题翻译：用于内燃机的排气再循环装置
公开(公告)号：JP2011185096A
公开(公告)日：2011-09-22
申请号：JP2010048071
申请日：2010-03-04
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： NAKAMURA YOSHITAKA , KIDOKORO TORU , SAWADA YUTAKA , TAHIRA SHINYA
IPC分类号： F02M25/07 , F02D21/08
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide technology for an exhaust recirculation device for an internal combustion engine to determine the plugging abnormality of each EGR device even when EGR gas is recirculated from both EGR devices.
SOLUTION: In a MPL region, a low-pressure EGR valve of a low-pressure EGR device to be open-loop controlled is used for forcibly reducing the recirculation amount of low-pressure EGR gas from the low-pressure EGR device. When the opening of a high-pressure EGR valve of a high-pressure EGR device to be feedback controlled at this time to increase the recirculation amount of high-pressure EGR gas is a first predetermined opening or greater, as a threshold value which shows that plugging abnormality occurs in the high-pressure EGR device or the high-pressure EGR device is normally operated, the occurrence of plugging abnormality in the high-pressure EGR device is determined (S106, S107).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使当EGR气体从两个EGR装置再循环时，提供用于内燃机的排气再循环装置的技术来确定每个EGR装置的堵塞异常。解决方案：在MPL区域中，使用要开环控制的低压EGR装置的低压EGR阀强制地降低来自低压EGR装置的低压EGR气体的再循环量。此时为了提高高压EGR气体的再循环量，高压EGR装置的高压EGR阀的高压EGR阀的打开是第一规定开度以上，作为阈值，在高压EGR装置中发生堵塞异常，或者高压EGR装置正常运转，确定高压EGR装置中发生堵塞异常（S106，S107）。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011089470A Failure diagnosis device for egr system 审中-公开
标题翻译：用于EGR系统的故障诊断装置
公开(公告)号：JP2011089470A
公开(公告)日：2011-05-06
申请号：JP2009243509
申请日：2009-10-22
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： TAHIRA SHINYA , NAKAMURA YOSHITAKA , KIDOKORO TORU , SAWADA YUTAKA
IPC分类号： F02M25/07 , F02D9/02 , F02D21/08
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide a technology determining whether or not a degree of clogging of an HPL-EGR passage and/or an LPL-EGR passage reach(es) an abnormal level, when both an HPL-EGR mechanism and an LPL-EGR mechanism are used, in an MPL-EGR system.
SOLUTION: A degree of deterioration in exhaust property in an MPL area is found based on a degree of clogging of a high-pressure EGR passage acquired in a high-pressure EGR area and a degree of clogging of a low-pressure EGR passage acquired in a low-pressure EGR area, so that an abnormality in the EGR system is determined according to a correction amount of a controlled parameter required for reducing the degree of deterioration.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种确定HPL-EGR通道和/或LPL-EGR通道的堵塞程度是否达到异常水平的技术，当HPL-EGR机构和在MPL-EGR系统中使用LPL-EGR机构。解决方案：基于在高压EGR区域中获取的高压EGR通路的堵塞程度和低压EGR的堵塞程度，发现MPL区域的排气性能的劣化程度通过获取在低压EGR区域中，从而根据降低劣化程度所需的受控参数的校正量来确定EGR系统中的异常。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010112287A Abnormality detection device for pcv system 有权
标题翻译： PCV系统异常检测装置
公开(公告)号：JP2010112287A
公开(公告)日：2010-05-20
申请号：JP2008286308
申请日：2008-11-07
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： AOYAMA TARO , NAKAMURA YOSHITAKA , TAHIRA SHINYA
IPC分类号： F01M13/00 , F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To accurately detect abnormality of a PCV system in an internal combustion engine.
SOLUTION: The abnormality detection device for the PCV system includes a turbocharger (218) for supercharging using exhaust gas in the internal combustion engine, an EGR passage (240) for circulating a portion of the exhaust gas as EGR gas in an intake system, an EGR valve (242) provided in the EGR passage (240) for controlling the flow rate of the EGR gas, an airflow meter (219) for measuring the flow rate of air taken into the intake system, an EGR control means (110) for controlling the EGR valve (242) to reduce the flow rate of the EGR gas when the flow rate of air measured by the airflow meter (219) is less than a prescribed flow rate, a supercharging pressure specifying means (230) for specifying supercharging pressure of the turbocharger (218), and a detection means (120) for detecting abnormality of the PCV system (271) based on the supercharging pressure specified by the supercharging pressure specifying means (230) during EGR control.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：准确地检测内燃机中的PCV系统的异常。解决方案：用于PCV系统的异常检测装置包括用于在内燃机中使用排气进行增压的涡轮增压器（218），用于使排气的一部分作为EGR气体在进气口中循环的EGR通路（240）系统，设置在用于控制EGR气体的流量的EGR通路（240）中的EGR阀（242），用于测量进入进气系统的空气流量的气流计（219），EGR控制装置 110），用于当由所述气流计（219）测量的空气流量小于规定流量时，控制所述EGR阀（242）以减小所述EGR气体的流量;增压压力确定装置（230），用于指定所述增压器（218）的增压压力;以及检测单元（120），其基于由所述增压压力指定单元（230）在EGR控制期间规定的增压压力来检测所述PCV系统（271）的异常。版权所有（C）2010，JPO＆INPIT

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