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51. 发明专利

JP2013234643A Diagnosis method 有权
标题翻译：诊断方法
公开(公告)号：JP2013234643A
公开(公告)日：2013-11-21
申请号：JP2012109290
申请日：2012-05-11
申请人： Denso Corp , 株式会社デンソー
发明人： YABANETA SHIGETO , UENO TOMOHIRO
IPC分类号： F01N3/00 , F01N3/023
CPC分类号： F02D45/00 , F02D41/1439 , F02D41/1466 , F02D41/1467 , F02D41/222 , F02D2041/1433 , Y02T10/40
摘要： PROBLEM TO BE SOLVED: To provide a diagnosis method which detects a failure of a PM sensor arranged downstream of a DPF without restriction to and influence on the collection rate of the DPF during failure detection.SOLUTION: Normal time, when a failure diagnosis of a PM sensor 5 attached to a downstream hole part 31 downstream of a DPF 4 is performed, the PM sensor 5 is moved to a hole part 30 upstream of the DPF 4, and an exhaust gas is discharged from an engine 2. An ECU 6 stores a program for the failure diagnosis of the PM sensor and diagnoses a failure of the PM sensor 5 by comparing an output of the PM sensor 5 to a normal output through the execution of the program. Normal time, the hole part 30 may be closed by a lid member, for instance.
摘要翻译：要解决的问题：提供一种诊断方法，其检测布置在DPF下游的PM传感器的故障，而不限制并影响故障检测期间DPF的收集速率。解决方案：正常时间，当故障诊断执行安装在DPF 4下游的下游孔部31的PM传感器5，PM传感器5移动到DPF 4的上游侧的孔部30，从发动机2排出废气。ECU6存储用于PM传感器的故障诊断的程序，并且通过将程序的执行与PM传感器5的输出与正常输出进行比较来诊断PM传感器5的故障。例如，正常时间，孔部30可以由盖构件封闭。

52. 发明专利

JP2012189049A Particulate matter detector and fault detection device for particulate filter 有权
标题翻译：颗粒物检测器和用于颗粒过滤器的故障检测装置
公开(公告)号：JP2012189049A
公开(公告)日：2012-10-04
申请号：JP2011055525
申请日：2011-03-14
申请人： Denso Corp , 株式会社デンソー
发明人： UENO TOMOHIRO , YABANETA SHIGETO
IPC分类号： F01N3/02 , F01N3/00 , F01N3/023 , F01N3/20 , G01N15/06
摘要： PROBLEM TO BE SOLVED: To provide a particulate matter detector capable of accurately detecting particulate matter (PM) even when a component except the PM adheres to an adhesion portion of a PM sensor.SOLUTION: The PM sensor is regenerated by burning and removing the PM adhering to a substrate (adhesion portion) of the PM sensor (S11). The output of the PM sensor after regeneration is checked (S12). The amount of adhesion of a conducting component except the PM, which adheres to the substrate of the PM sensor, is estimated on the basis of the output (S13). A correction coefficient indicating to what extent the output of the PM sensor is to be corrected is calculated on the basis of the amount of the adhesion of the conducting component (S14). The output of the PM sensor is corrected to a small value by multiplying the output of the PM sensor by the correction coefficient (S15).
摘要翻译：要解决的问题：即使当除PM之外的组分粘附到PM传感器的粘附部分时，提供能够精确地检测颗粒物质（PM）的颗粒物质检测器。解决方案：PM传感器通过燃烧和去除附着在PM传感器的基板（粘附部分）上的PM来再生。检查再生后的PM传感器的输出（S12）。基于输出（S13）估计附着在PM传感器的基板上的PM以外的导电成分的附着量。基于导电部件的粘附量来计算指示要校正PM传感器的输出到多大程度的校正系数（S14）。通过将PM传感器的输出乘以校正系数，将PM传感器的输出校正为较小的值（S15）。版权所有（C）2013，JPO＆INPIT

53. 发明专利

JP2012154216A Detection apparatus 有权
标题翻译：检测装置
公开(公告)号：JP2012154216A
公开(公告)日：2012-08-16
申请号：JP2011012689
申请日：2011-01-25
申请人： Denso Corp , 株式会社デンソー
发明人： YABANETA SHIGETO , UENO TOMOHIRO
IPC分类号： F01N3/023 , G01N27/04
CPC分类号： F02D41/1466 , F01N2560/05 , F01N2560/20 , F02D41/1494
摘要： PROBLEM TO BE SOLVED: To provide a detection apparatus that suitably sets a duration of a regeneration process and a target temperature in the regeneration process in which particulate matters attaching to the detection apparatus are burned, in a detection apparatus that detects an amount of the particulate matters (or amount correlating thereto) by causing the particulate matters discharged from an internal combustion engine to attach to the apparatus.SOLUTION: The detection apparatus includes the steps of: starting a regeneration process of a PM sensor, where the amount of particulate matter (PM) in an exhaust pipe of the internal combustion engine is detected (S10:YES); calculating a target temperature of an electrode of the PM sensor (S30); controlling to follow the target temperature (S50); keeping on calculating the amount of attaching PM of the PM sensor during the regeneration (S65); and when the amount of attaching PM sufficiently decreases (S80:YES), ending the regeneration process. In the sequence, a target temperature is set lower as the amount of attaching PM is larger.
摘要翻译：要解决的问题：提供一种检测装置，其在检测到检测装置的检测装置中适当地设定在附着于检测装置的颗粒物燃烧的再生处理中的再生处理的持续时间和目标温度的颗粒物质（或与其相关的量）通过使从内燃机排出的颗粒物质附着到设备上。检测装置包括以下步骤：开始检测内燃机的排气管内的颗粒物质（PM）的量的PM传感器的再生处理（S10：是）。计算PM传感器的电极的目标温度（S30）; 控制跟随目标温度（S50）; 继续计算再生期间PM传感器PM的附着量（S65）; 并且当附着PM的量充分降低时（S80：是），结束再生处理。按照顺序，当附着PM的量较大时，将目标温度设定得较低。版权所有（C）2012，JPO＆INPIT

54. 发明专利

JP2012122399A Failure detection device of particulate filter 有权
标题翻译：颗粒过滤器故障检测装置
公开(公告)号：JP2012122399A
公开(公告)日：2012-06-28
申请号：JP2010273591
申请日：2010-12-08
申请人： Denso Corp , 株式会社デンソー
发明人： YABANETA SHIGETO , UENO TOMOHIRO
IPC分类号： F01N3/02 , F01N3/023
CPC分类号： F01N11/007 , F01N2550/04 , F01N2560/05 , F01N2900/0408 , F01N2900/0416 , F01N2900/0422 , G01N15/0656 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide a failure detection device which can precisely detect a failure of a DPF.SOLUTION: On a downstream side of the DPF, there is provided an electrode-type PM sensor for detecting an amount of PM. An inlet flow of the PM inflowing to the DPF is estimated (S11). A trapping rate of the PM trapped by the DPF at failure is estimated (S12). An outlet flow of the PM outflowing from the DPF at failure is estimated based on the inlet flow of the PM and the trapping rate thereof. (S13). An attached rate of the PM of the PM sensor is estimated based on an electrode temperature or the like (S14). An attached volume of the PM of the PM sensor at failure is estimated based on the outlet flow of the PM and the attached rate of the PM (S15). It is determined whether an integrated value of the attached volume of the PM is not less than an energization starting attached volume at which energization to the PM sensor is started (S16). When the energization starting attached volume is exceeded (at S16: Yes), the output of the PM sensor is checked (S17). When the output is ensured (at S17: Yes), the DPF is determined to be faulty (S18).
摘要翻译：要解决的问题：提供可以精确地检测DPF的故障的故障检测装置。解决方案：在DPF的下游侧，设置有用于检测PM量的电极型PM传感器。估计流入DPF的PM的入口流（S11）。估计DPF在故障时捕获的PM的捕获率（S12）。基于PM的入口流量和其捕获速率，估计PMF在故障时流出的出口流量。（S13）。基于电极温度等来估计PM传感器的PM的附着率（S14）。基于PM的出口流量和PM的附着速率来估计PM传感器的故障PM的附着体积（S15）。确定PM的附加体积的积分值是否不小于开始PM传感器的通电的通电启动附加容积（S16）。超过通电启动附加音量时（S16：是），检查PM传感器的输出（S17）。当确保输出时（在S17：是），DPF被确定为有故障（S18）。版权所有（C）2012，JPO＆INPIT

55. 发明专利

JP2011052641A Device for controlling exhaust emission for internal combustion engine 有权
标题翻译：用于控制内燃机排气排放的装置
公开(公告)号：JP2011052641A
公开(公告)日：2011-03-17
申请号：JP2009203848
申请日：2009-09-03
申请人： Denso Corp , 株式会社デンソー
发明人： OKUGAWA SHINICHIRO , NOSAKA SATORU , YABANETA SHIGETO
IPC分类号： F02D41/04 , B01D46/42 , F01N3/02 , F02D41/14 , F02D41/22 , F02D41/38 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a device for controlling exhaust emission for an internal combustion engine, which reduces oxygen concentration to suppress an excessive temperature rise based on the determined possibility of an excessive temperature rise in a DPF (Diesel Particulate Filter) and also reduces oxygen concentration in exhaust gas without causing torque fluctuations. SOLUTION: When it is determined that there is a possibility in an excessive temperature rise in the DPF (S10:YES), the base quantity for each of the main-injection quantity and after-injection quantity is determined (S20). The correction amount of the after-injection amount (after-injection correction amount) is calculated (S30-S70). The correction amount of the main-injection amount is calculated in order to suppress the torque fluctuations caused by the after-injection (S80-S110). Values with these correction amounts added to the base amount are set as the main-injection amount and after-injection amount. Finally, the main-injection and after-injection are performed (S150). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于控制内燃机的废气排放的装置，其基于所确定的DPF（柴油微粒过滤器）中过度升温的可能性，降低氧气浓度以抑制过度的温度上升，并且还降低废气中的氧浓度而不会引起扭矩波动。解决方案：当确定DPF中存在过度升温的可能性（S10：是）时，确定主喷射量和后喷射量中的每一个的基数（S20）。计算后喷射量（后喷射校正量）的校正量（S30-S70）。计算主喷射量的校正量以便抑制由后喷射引起的转矩波动（S80-S110）。将这些校正量添加到基础量的值设定为主喷射量和后喷射量。最后，进行主喷射和后喷射（S150）。版权所有（C）2011，JPO＆INPIT

56. 发明专利

JP2010090708A Control device for internal combustion engine 审中-公开
标题翻译：内燃机控制装置
公开(公告)号：JP2010090708A
公开(公告)日：2010-04-22
申请号：JP2008258224
申请日：2008-10-03
申请人： Denso Corp , 株式会社デンソー
发明人： YABANETA SHIGETO , SOGA TSUTOMU
IPC分类号： F02D41/04 , F02D21/08 , F02D43/00 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of accurately determining whether torque control by intake amount is appropriate or torque control by fuel injection amount is appropriate when the concentration of oxygen is reduced.
SOLUTION: The intake amount is intentionally increased and decreased (S30) to detect an engine speed (S40). Where the value obtained by dividing the increased amount of the engine speed by the increased amount of a suction amount is used as the sensitivity of engine output to air amount, when the value is equal to or higher than a predetermined value A2, the engine is determined to be in air-preceding operation state, and when less than the predetermined value, the engine is determined to be in a fuel-preceding operation state. When the engine is determined to be in the air-preceding operation state, the output of the engine is controlled by increasing or decreasing the intake amount (S100). When the engine is determined to be in the fuel-preceding operation state, the output of the engine is controlled by increasing or decreasing the fuel injection amount (S110).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的控制装置，其能够在氧浓度降低时适当地准确地确定进气量的转矩控制是否合适或通过燃料喷射量的转矩控制。
解决方案：有意地增加和减少进气量（S30）以检测发动机转速（S40）。在通过将发动机转速的增加量除以吸入量的增加量而获得的值用作发动机输出对空气量的灵敏度的情况下，当该值等于或高于预定值A2时，发动机是被判定为处于前一运转状态，并且当小于预定值时，确定发动机处于燃料先决操作状态。当发动机被确定为处于前进行驶状态时，通过增加或减少进气量来控制发动机的输出（S100）。当发动机被确定为处于前一燃料操作状态时，通过增加或减少燃料喷射量来控制发动机的输出（S110）。版权所有（C）2010，JPO＆INPIT

57. 发明专利

JP2009228494A Exhaust air purifying device of internal combustion 审中-公开
标题翻译：内燃机排气净化装置
公开(公告)号：JP2009228494A
公开(公告)日：2009-10-08
申请号：JP2008072648
申请日：2008-03-20
申请人： Denso Corp , 株式会社デンソー
发明人： TOCHIKAWA KAZUHARU , NOSAKA SATORU , YABANETA SHIGETO
IPC分类号： F01N3/02 , B01D46/42
CPC分类号： F02D41/029 , F02D2200/0812
摘要： PROBLEM TO BE SOLVED: To provide an exhaust air purifying device of internal combustion which can avoid a reduction in presumed accuracy of PM accumulation volume by the generation of bias sedimentation of PM at DPF.
SOLUTION: An exhaust temperature is obtained (S110) and an exhaust flow volume is obtained (S120). A temperature coefficient at the center in the diameter direction and the periphery of DPF in a cylindrical form which the exhausting flowing direction is the shaft direction is calculated from the exhaust flow volume (S130). The temperature at the center in the diameter direction of DPF is presumed from the exhaust temperature and the temperature at the center in the diameter direction and the periphery of DPF by multiplying the presumed temperature by the temperature coefficient (S140). Then the burning speeds of PM at the center in the diameter direction and the periphery of DPF are calculated from the temperature at the center in the diameter direction and the periphery of DPF (S150). The difference in burning volume obtained by calculating the burning speed of PM at the center in the diameter direction and the periphery is calculated as bias sedimentation rate of PM (S160). DPF is completely reproduced when the bias sedimentation rate of PM exceeds a predetermined value to resolve the state of bias sedimentation.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过在DPF产生PM的偏置沉降来避免PM堆积体积的推定精度降低的内燃式排气净化装置。解决方案：获得排气温度（S110）并获得排气流量（S120）。从排气流量计算排气流动方向为轴方向的圆筒形状的DPF直径方向的中心的温度系数和圆周的温度系数（S130）。通过将推测温度乘以温度系数，从排气温度和直径方向中心的温度以及DPF的周边假设DPF的直径方向的中心温度（S140）。然后，从直径方向中心的温度和DPF的周边的温度计算出直径方向中心的PM和DPF的周边的燃烧速度（S150）。通过计算在直径方向和周围的中心处的PM的燃烧速度而获得的燃烧体积的差异被计算为PM的偏置沉降速率（S160）。当PM的偏压沉降速率超过预定值以解决偏压沉淀状态时，DPF完全复制。版权所有（C）2010，JPO＆INPIT

58. 发明专利

JP2009103066A Exhaust emission control device of internal combustion engine 审中-公开
标题翻译：内燃机排气控制装置
公开(公告)号：JP2009103066A
公开(公告)日：2009-05-14
申请号：JP2007276144
申请日：2007-10-24
申请人： Denso Corp , 株式会社デンソー
发明人： TOCHIKAWA KAZUHARU , NOSAKA SATORU , YABANETA SHIGETO
IPC分类号： F01N3/02 , B01D46/42
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine, which more accurately estimates a PM accumulation amount in a particulate filter by taking into account an influence of reduction in an area of a pipe that becomes larger as the PM accumulation amount increases.
SOLUTION: In a PM accumulation amount calculation processing repeated periodically, the previous value of the PM accumulation amount is called (S60), and a degree of reduction of the pipe area in the DPF is calculated (S70) based on the PM accumulation amount and the structure of the DPF (for example, a cell wall thickness or a cell density). An inclination value after correction is calculated from the degree of reduction of the pipe area (S80), and the inclination of a characteristic line indicating the relation between the DPF pressure difference and the PM accumulation amount is corrected. The PM accumulation amount (current value) in the DPF is estimated from the characteristic after correction thus obtained (S90).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的废气排放控制装置，其更精确地估计颗粒过滤器中的PM累积量，其考虑到管道的面积减小的影响变大随着PM堆积量的增加。解决方案：在周期性重复的PM堆积量计算处理中，将PM累积量的先前值称为（S60），并且基于PM计算DPF中管道面积的减小度（S70）堆积量和DPF的结构（例如，细胞壁厚度或细胞密度）。根据管道面积的减小程度计算修正后的倾斜度（S80），并且校正表示DPF压力差与PM堆积量之间的关系的特性线的倾斜度。根据得到的校正后的特性，估计DPF中的PM堆积量（电流值）（S90）。版权所有（C）2009，JPO＆INPIT

59. 发明专利

JP2009024635A Exhaust emission control device of internal combustion engine and method for estimating accumulation of exhaust emission particulate in internal combustion engine 审中-公开
标题翻译：内燃机排气排放控制装置及内燃机排放颗粒物累计量估算方法
公开(公告)号：JP2009024635A
公开(公告)日：2009-02-05
申请号：JP2007189674
申请日：2007-07-20
申请人： Denso Corp , 株式会社デンソー
发明人： NOSAKA SATORU , YABANETA SHIGETO , TOCHIKAWA KAZUHARU
IPC分类号： F01N3/02
CPC分类号： F01N3/023 , F01N9/002 , F01N9/005 , F01N2570/10 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device of internal combustion engine and a method for estimating accumulation of exhaust emission particulate for estimating a PM (particulate matter) accumulation in a DPF (diesel particulate filter) considering combustion of the PM due to reaction with oxygen and combustion of PM due to reaction with nitrogen dioxide.
SOLUTION: For calculating the PM accumulation, a combustion quantity of PM due to reaction with oxygen is estimated (S70), a combustion quantity of PM due to reaction with nitrogen dioxide is estimated (S80), these are added to calculate their total (S81) and an accumulation after correction is calculated by using the total (S91). By using the accurate accumulation estimation value thus calculated, timing of execution (S110) of DPF forced regeneration is determined (S100).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种内燃机的废气排放控制装置以及用于估计废气排放颗粒的累积的方法，用于估计考虑到燃烧的DPF（柴油微粒过滤器）中的PM（颗粒物质）积聚 PM由于与氧气的反应和PM的二氧化氮反应而燃烧。
解决方案：为了计算PM积累，估计与氧反应的PM的燃烧量（S70），估计与二氧化氮反应的PM的燃烧量（S80），将它们相加以计算总计（S81）和校正后的积累通过使用总计（S91）计算。通过使用这样计算出的准确的累积估计值，确定DPF强制再生的执行定时（S110）（S100）。版权所有（C）2009，JPO＆INPIT

60. 发明专利

JP2008057443A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2008057443A
公开(公告)日：2008-03-13
申请号：JP2006235740
申请日：2006-08-31
申请人： Denso Corp , 株式会社デンソー
发明人： TOCHIKAWA KAZUHARU , NOSAKA SATORU , YABANETA SHIGETO
IPC分类号： F01N3/02 , B01D46/42 , F01N3/20 , F02D41/14 , F02D45/00
CPC分类号： F01N9/002 , F01N11/005 , F01N2430/085 , F01N2560/06 , F01N2560/08 , F01N2560/14 , F02D41/029 , F02D41/1467 , F02D41/405 , F02D2200/0812 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide an exhaust emission control device accurately estimating the accumulation quantity of exhaust particulate matter accumulated on an exhaust filter.
SOLUTION: An exhaust filter (DPF) 20 of an exhaust emission control device 10 is installed in an exhaust pipe 4 of the engine 2. Exhaust particulate matter (PM) in exhaust gas exhausted from an engine 2 is collected in pores in a bulkhead or a bulkhead surface of a filter main body 22 when the same passes through the DPF 20. Ash which is unburned material is accumulated on the DPF 20 except the PM. ECU 50 estimates PM accumulation quantity accumulated on the DPF 20 by differential pressure estimation estimating the PM accumulation quantity by differential pressure of the DPF 20 detected by a differential pressure sensor 30 according to an operation condition of the engine 2 or history estimation estimating the PM accumulation quantity from operation history of the engine 2. When accumulation quantity of ash exceeds a predetermined value, the ECU 50 estimates the PM accumulation quantity by history estimation, not by differential pressure estimation.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种排气排放控制装置，其能够精确地估计积聚在排气过滤器上的废气颗粒物质的累积量。解决方案：排气排放控制装置10的排气过滤器（DPF）20安装在发动机2的排气管4中。从发动机2排出的废气中的废气颗粒物质（PM）被收集在当过滤器主体22通过DPF20时，过滤器主体22的隔板或隔板表面。除了PM之外，未燃材料的灰被积聚在DPF 20上。 ECU50通过压差估计来估计在DPF20上积累的PM累积量，根据发动机2的运转状况或估计PM累积的历史估计，通过压差传感器30检测到的DPF20的差压来估计PM堆积量发动机的运转历史的数量2.当灰量的累计量超过预定值时，ECU50不是通过压差估计来估计历史估计中的PM堆积量。版权所有（C）2008，JPO＆INPIT

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