公开(公告)号：US08845783B2

公开(公告)日：2014-09-30

申请号：US13637586

申请日：2010-03-26

申请人： Kazuya Takaoka ,  Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

发明人： Kazuya Takaoka ,  Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

IPC分类号： B01D46/30 ,  B01D50/00 ,  B01D39/14 ,  B01D39/20 ,  B01D39/06 ,  B01D24/00 ,  F01N3/025 ,  F01N9/00 ,  F01N11/00 ,  F01N3/035 ,  F02D41/14

CPC分类号： F01N11/002 ,  F01N3/0253 ,  F01N3/035 ,  F01N9/002 ,  F01N11/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0408 ,  F01N2900/0412 ,  F01N2900/0601 ,  F01N2900/1606 ,  F02D41/1466 ,  F02D41/1467 ,  F02D2200/0812 ,  Y02T10/47

摘要： The present invention is intended to detect a failure of a PM filter with a higher degree of accuracy. The present invention is provided with: a PM trapping efficiency calculation part to calculate a PM trapping efficiency (which is a proportion of an amount of particulate matter trapped with respect to an amount of inflow particulate matter) based on an amount of inflow particulate matter obtained by an inflow particulate matter obtaining part, and an amount of outflow particulate matter detected by a PM sensor; and a failure detection part to make a determination that a failure has occurred in the PM filter, in cases where there has appeared a tendency for the PM trapping efficiency to decrease during a period of time until the execution of the following filter regeneration processing is started after the completion of execution of the filter regeneration processing.

摘要翻译： 本发明旨在以更高的精度检测PM滤波器的故障。 本发明提供了一种PM捕集效率计算部，其基于所获得的流入粒子物质的量，计算PM捕集效率（其相对于流入粒子物质的量捕获的颗粒物质的量的比例） 通过流入颗粒物获取部分和由PM传感器检测的流出颗粒物质的量; 以及故障检测部，在PM滤波器中发生故障发生的判定的情况下，在直到执行以下的滤波再生处理开始之前，PM捕集效率在一段时间内降低的倾向的情况下 完成执行过滤器再生处理。

公开(公告)号：US20140216020A1

公开(公告)日：2014-08-07

申请号：US13580325

申请日：2011-09-06

申请人： Daisuke Shibata ,  Toru Kidokoro ,  Hiroshi Sawada ,  Kazuya Takaoka

发明人： Daisuke Shibata ,  Toru Kidokoro ,  Hiroshi Sawada ,  Kazuya Takaoka

IPC分类号： F01N3/10

CPC分类号： F01N3/10 ,  F01N3/035 ,  F01N3/2066 ,  F01N11/00 ,  F01N13/009 ,  F01N2430/00 ,  F01N2550/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1606 ,  F02D41/0255 ,  F02D41/1495 ,  F02D41/22 ,  Y02T10/26 ,  Y02T10/47

摘要： An object of the invention is to prevent a situation in which failure diagnosis for an exhaust system component in an internal combustion engine cannot be completed from continuing for an unduly long period of time. A warm-up system for an exhaust system of an internal combustion engine according to the invention includes a warm-up control performing unit that performs warm-up control for warming up an exhaust system component upon start-up of the internal combustion engine and a failure diagnosis performing unit that performs failure diagnosis for the exhaust system component after the completion of warm-up of the exhaust system component. If a situation in which the operation of the internal combustion engine is stopped after the start of operation of the internal combustion engine before the completion of the failure diagnosis for the exhaust system component performed by the failure diagnosis performing unit has been repeated for a predetermined period of time, the warm-up control performing unit changes the warm-up control performed upon start-up of the internal combustion engine after the predetermined period of time has elapsed to a control that can raise the temperature of the exhaust system component more quickly than the warm-up control performed during the aforementioned predetermined period.

摘要翻译： 本发明的目的是防止内燃机中的排气系统部件的故障诊断不能够持续不长时间的情况。 根据本发明的用于内燃机的排气系统的预热系统包括预热控制执行单元，其在内燃机启动时进行预热排气系统部件的预热控制，以及 故障诊断执行单元，其在排气系统部件的预热完成之后对排气系统部件执行故障诊断。 如果在由故障诊断执行单元执行的用于排气系统部件的故障诊断完成之后内燃机的运行停止之后的状态已经重复了预定时间段 的时间，预热控制执行单元改变在经过预定时间段之后内燃机启动时执行的预热控制，使其能够比排气系统组件的温度更快地升高 在上述预定期间内进行预热控制。

公开(公告)号：US20130192208A1

公开(公告)日：2013-08-01

申请号：US13125746

申请日：2010-10-22

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Taiga Hagimoto ,  Kazuya Takaoka

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Taiga Hagimoto ,  Kazuya Takaoka

IPC分类号： F01N3/021

CPC分类号： F01N3/021 ,  F01N11/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0412 ,  F01N2900/0416 ,  F01N2900/0418 ,  F01N2900/0601 ,  F01N2900/08 ,  F01N2900/1411 ,  Y02T10/20 ,  Y02T10/47

摘要： A failure of a filter is detected with a higher degree of accuracy. There are provided a filter that is arranged on an exhaust passage of an internal combustion engine for collecting a substance contained in an exhaust gas, a substance amount detection part that is arranged on the exhaust passage at a downstream side of the filter for detecting an amount of substance in the exhaust gas, a flow speed detection part that detects or estimates a flow speed of the exhaust gas which passes through the filter, and a determination part that makes a determination that the filter is in a failure, when the higher the flow speed of the exhaust gas passing through the filter, the larger a ratio of an amount of change in the amount of substance to an amount of change in the flow speed of the exhaust gas becomes.

摘要翻译： 以更高的准确度检测滤波器的故障。 本发明提供一种过滤器，其设置在内燃机的排气通路上，用于收集废气中所含的物质，物质量检测部，其布置在过滤器的下游侧的排气通道上，用于检测废气量 废气中的物质的流量检测部，检测或估计通过过滤器的排气的流速的流量检测部以及判定为过滤器处于故障的判定部，流量越高 通过过滤器的废气的速度，物质量的变化量与排气的流速变化量的比例越大。

公开(公告)号：US08806928B2

公开(公告)日：2014-08-19

申请号：US13695372

申请日：2010-04-30

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Akihiko Itakura

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Akihiko Itakura

IPC分类号： G01M15/10

CPC分类号： G01M15/10 ,  F01N11/002 ,  F01N2550/02 ,  Y02T10/47

摘要： Provision is made for a catalyst that is arranged in an exhaust passage of an internal combustion engine and has an oxidation function, downstream side temperature detection means that detects the temperature of an exhaust gas at a downstream side from the catalyst, and addition means that adds a reducing agent into the exhaust gas from an upstream side from the catalyst, wherein there are also provided correlation value calculation means that calculates a correlation value which is correlated with an amount of change of the temperature detected by the downstream side temperature detection means when the reducing agent is added by the addition means and when a transient operation of the internal combustion engine is carried out, and determination means that determines a deterioration of the catalyst by making a comparison between the correlation value and a threshold value which indicates the deterioration of the catalyst.

摘要翻译： 设置有布置在内燃机的排气通道中并具有氧化功能的催化剂，下游侧温度检测装置，其检测催化剂下游侧的废气的温度，以及添加装置 还原剂从催化剂的上游侧排入废气中，其中还提供相关值计算装置，其计算与当下游侧温度检测装置检测到的温度的变化量相关的相关值时 通过加法装置添加还原剂，并且当进行内燃机的瞬时运转时，以及通过比较相关值和指示劣化的阈值来确定催化剂的劣化的确定装置 催化剂。

公开(公告)号：US08656700B2

公开(公告)日：2014-02-25

申请号：US13125746

申请日：2010-10-22

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Taiga Hagimoto ,  Kazuya Takaoka

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Taiga Hagimoto ,  Kazuya Takaoka

IPC分类号： F01N3/00 ,  F01N3/02

CPC分类号： F01N3/021 ,  F01N11/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0412 ,  F01N2900/0416 ,  F01N2900/0418 ,  F01N2900/0601 ,  F01N2900/08 ,  F01N2900/1411 ,  Y02T10/20 ,  Y02T10/47

摘要： A failure of a filter is detected with a higher degree of accuracy. There are provided a filter that is arranged on an exhaust passage of an internal combustion engine for collecting a substance contained in an exhaust gas, a substance amount detection part that is arranged on the exhaust passage at a downstream side of the filter for detecting an amount of substance in the exhaust gas, a flow speed detection part that detects or estimates a flow speed of the exhaust gas which passes through the filter, and a determination part that makes a determination that the filter is in a failure, when the higher the flow speed of the exhaust gas passing through the filter, the larger a ratio of an amount of change in the amount of substance to an amount of change in the flow speed of the exhaust gas becomes.

摘要翻译： 以更高的准确度检测滤波器的故障。 本发明提供一种过滤器，其设置在内燃机的排气通路上，用于收集废气中所含的物质，物质量检测部，其布置在过滤器的下游侧的排气通道上，用于检测废气量 废气中的物质的流量检测部，检测或估计通过过滤器的排气的流速的流量检测部以及判定为过滤器处于故障的判定部，流量越高 通过过滤器的废气的速度，物质量的变化量与排气的流速变化量的比例越大。

公开(公告)号：US20130014641A1

公开(公告)日：2013-01-17

申请号：US13637586

申请日：2010-03-26

申请人： Kazuya Takaoka ,  Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

发明人： Kazuya Takaoka ,  Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

IPC分类号： B01D29/62

CPC分类号： F01N11/002 ,  F01N3/0253 ,  F01N3/035 ,  F01N9/002 ,  F01N11/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0408 ,  F01N2900/0412 ,  F01N2900/0601 ,  F01N2900/1606 ,  F02D41/1466 ,  F02D41/1467 ,  F02D2200/0812 ,  Y02T10/47

摘要： The present invention is intended to detect a failure of a PM filter with a higher degree of accuracy. The present invention is provided with: a PM trapping efficiency calculation part to calculate a PM trapping efficiency (which is a proportion of an amount of particulate matter trapped with respect to an amount of inflow particulate matter) based on an amount of inflow particulate matter obtained by an inflow particulate matter obtaining part, and an amount of outflow particulate matter detected by a PM sensor; and a failure detection part to make a determination that a failure has occurred in the PM filter, in cases where there has appeared a tendency for the PM trapping efficiency to decrease during a period of time until the execution of the following filter regeneration processing is started after the completion of execution of the filter regeneration processing.

摘要翻译： 本发明旨在以更高的精度检测PM滤波器的故障。 本发明提供了一种PM捕集效率计算部，其基于所获得的流入粒子物质的量，计算PM捕集效率（其相对于流入粒子物质的量捕获的颗粒物质的量的比例） 通过流入颗粒物获取部分和由PM传感器检测的流出颗粒物质的量; 以及故障检测部，在PM滤波器中发生故障发生的判定的情况下，在直到执行以下的滤波再生处理开始之前，PM捕集效率在一段时间内降低的趋势的情况下 完成执行过滤器再生处理。

公开(公告)号：US20100257922A1

公开(公告)日：2010-10-14

申请号：US12747409

申请日：2008-06-11

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

IPC分类号： G01M15/10

CPC分类号： F01N3/208 ,  F01N11/005 ,  F01N2550/02 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/146 ,  F01N2900/1602 ,  F01N2900/1621 ,  Y02T10/24 ,  Y02T10/47

摘要： An abnormality diagnosis apparatus for an NOx catalyst of the present invention measures an index value (R) regarding an NOx clarification capacity of an NOx catalyst and determines an abnormality of the NOx catalyst based on index values (R1, R2) respectively measured at a timing (Tc1) at which the NOx catalyst has a relatively-low activation level and a timing (Tc2) at which the NOx catalyst has a relatively-high activation level. Since the index value at the timing at which the NOx catalyst has a relatively-low activation level (i.e., a timing at which the NOx catalyst originally does not have a sufficient NOx clarification capacity) is used, the abnormality diagnosis for the NOx catalyst can be carried out without intentionally deteriorating emission.

摘要翻译： 本发明的NOx催化剂的异常诊断装置测定关于NOx催化剂的NOx澄清能力的指标值（R），并且基于在时刻分别测定的指标值（R1，R2），判定NOx催化剂的异常 （Tc1），其中NOx催化剂具有相对低的活化水平和NOx催化剂具有相对高的活化水平的定时（Tc2）。 由于使用NOx催化剂具有相对低的活化水平（即，NOx催化剂原本不具有足够的NOx澄清容量的时间）的定时的指标值，因此NOx催化剂的异常诊断 不会意图恶化排放。

公开(公告)号：US08943814B2

公开(公告)日：2015-02-03

申请号：US13580325

申请日：2011-09-06

申请人： Daisuke Shibata ,  Toru Kidokoro ,  Hiroshi Sawada ,  Kazuya Takaoka

发明人： Daisuke Shibata ,  Toru Kidokoro ,  Hiroshi Sawada ,  Kazuya Takaoka

IPC分类号： F01N11/00 ,  F01N3/10 ,  F02D41/02 ,  F01N3/035 ,  F01N13/00 ,  F02D41/22 ,  F01N3/20

CPC分类号： F01N3/10 ,  F01N3/035 ,  F01N3/2066 ,  F01N11/00 ,  F01N13/009 ,  F01N2430/00 ,  F01N2550/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1606 ,  F02D41/0255 ,  F02D41/1495 ,  F02D41/22 ,  Y02T10/26 ,  Y02T10/47

摘要： A warm-up system for an exhaust system of an internal combustion engine includes an electronic control unit that performs warm-up control for warming up an exhaust system component upon start-up of the internal combustion engine and a failure diagnosis performing module of the electronic control unit that performs failure diagnosis for the exhaust system component after the completion of warm-up of the exhaust system component. If the internal combustion engine repeatedly stops before completion of the failure diagnosis for a predetermined period of time, then the electronic control unit changes the warm-up control performed upon start-up of the internal combustion engine to a control that raises the temperature of the exhaust system component more quickly than the warm-up control performed during the predetermined period.

摘要翻译： 一种用于内燃机的排气系统的预热系统包括：电子控制单元，其在内燃机启动时进行预热排气系统部件的预热控制，电子设备的故障诊断执行模块 控制单元，其在排气系统部件的预热完成之后对排气系统部件执行故障诊断。 如果内燃机在故障诊断完成一段预定时间之前反复停止，则电子控制单元将内燃机启动时的预热控制改变为升高温度的控制 排气系统组件比在预定时段期间执行的预热控制更快。

公开(公告)号：US20130098146A1

公开(公告)日：2013-04-25

申请号：US13695372

申请日：2010-04-30

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Akihiko Itakura

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro ,  Akihiko Itakura

IPC分类号： G01M15/10

CPC分类号： G01M15/10 ,  F01N11/002 ,  F01N2550/02 ,  Y02T10/47

摘要： Provision is made for a catalyst that is arranged in an exhaust passage of an internal combustion engine and has an oxidation function, downstream side temperature detection means that detects the temperature of an exhaust gas at a downstream side from the catalyst, and addition means that adds a reducing agent into the exhaust gas from an upstream side from the catalyst, wherein there are also provided correlation value calculation means that calculates a correlation value which is correlated with an amount of change of the temperature detected by the downstream side temperature detection means when the reducing agent is added by the addition means and when a transient operation of the internal combustion engine is carried out, and determination means that determines a deterioration of the catalyst by making a comparison between the correlation value and a threshold value which indicates the deterioration of the catalyst.

摘要翻译： 设置有布置在内燃机的排气通道中并具有氧化功能的催化剂，下游侧温度检测装置，其检测催化剂下游侧的废气的温度，以及添加装置 还原剂从催化剂的上游侧排入废气中，其中还提供相关值计算装置，其计算与当下游侧温度检测装置检测到的温度的变化量相关的相关值时 通过加法装置添加还原剂，并且当进行内燃机的瞬时运转时，以及通过比较相关值和指示劣化的阈值来确定催化剂的劣化的确定装置 催化剂。

公开(公告)号：US08171781B2

公开(公告)日：2012-05-08

申请号：US12747409

申请日：2008-06-11

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Toru Kidokoro

IPC分类号： G01M15/10

CPC分类号： F01N3/208 ,  F01N11/005 ,  F01N2550/02 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/146 ,  F01N2900/1602 ,  F01N2900/1621 ,  Y02T10/24 ,  Y02T10/47

摘要： An abnormality diagnosis apparatus for an NOx catalyst of the present invention measures an index value (R) regarding an NOx clarification capacity of an NOx catalyst and determines an abnormality of the NOx catalyst based on index values (R1, R2) respectively measured at a timing (Tc1) at which the NOx catalyst has a relatively-low activation level and a timing (Tc2) at which the NOx catalyst has a relatively-high activation level. Since the index value at the timing at which the NOx catalyst has a relatively-low activation level (i.e., a timing at which the NOx catalyst originally does not have a sufficient NOx clarification capacity) is used, the abnormality diagnosis for the NOx catalyst can be carried out without intentionally deteriorating emission.

摘要翻译： 本发明的NOx催化剂的异常诊断装置测定关于NOx催化剂的NOx澄清能力的指标值（R），并且基于在时刻分别测定的指标值（R1，R2），判定NOx催化剂的异常 （Tc1），其中NOx催化剂具有相对低的活化水平和NOx催化剂具有相对高的活化水平的定时（Tc2）。 由于使用NOx催化剂具有相对低的活化水平（即，NOx催化剂原本不具有足够的NOx澄清容量的时间）的定时的指标值，因此NOx催化剂的异常诊断 不会意图恶化排放。