公开(公告)号：US08495861B2

公开(公告)日：2013-07-30

申请号：US12303500

申请日：2007-06-07

申请人： Daisuke Shibata ,  Hiroshi Sawada ,  Keisuke Fukuoka

发明人： Daisuke Shibata ,  Hiroshi Sawada ,  Keisuke Fukuoka

IPC分类号： F01N3/021

CPC分类号： B01D46/0086 ,  B01D2279/30 ,  F01N3/103 ,  F01N9/007 ,  F01N11/002 ,  F01N13/0097 ,  F01N2550/04 ,  F01N2560/08 ,  F01N2900/0412 ,  F01N2900/1406 ,  F02B37/00 ,  Y02T10/47

摘要： An object of the present invention is to provide a technology that enables detection of a fault of a PM trapper with improved accuracy. In the present invention, a pressure sensor 20 that measures a differential pressure across a PM trapper 11 is provided, and a fault of a PM trapper is determined based on an amount of change in the differential pressure across the PM trapper 11 between two different operation states of an internal combustion engine 1 in which the ambient temperature around the pressure sensor 20 falls within a specific temperature range. Since variations in the offset error of the differential pressure sensor 20 caused by changes in the ambient temperature around the differential pressure sensor 20 is made small, the amount of change in the differential pressure across the PM trapper 11 can be measured more accurately, and a fault of the PM trapper 11 can be detected with improved accuracy.

摘要翻译： 本发明的目的是提供一种能够以更高精度检测PM捕集器的故障的技术。 在本发明中，提供了测量PM捕集器11两端的压差的压力传感器20，根据在两个不同操作之间的PM捕集器11的差压的变化量来确定PM捕集器的故障 内燃机1的状态，其中压力传感器20周围的环境温度落在特定温度范围内。 由于差压传感器20周围的环境温度的变化引起的差压传感器20的偏移误差的偏差变小，所以可以更精确地测定PM捕集器11的差压的变化量， 可以提高精度来检测PM捕集器11的故障。

公开(公告)号：US08490385B2

公开(公告)日：2013-07-23

申请号：US13055062

申请日：2009-07-22

申请人： Yuji Miyoshi ,  Hiroshi Sawada ,  Daisuke Shibata

发明人： Yuji Miyoshi ,  Hiroshi Sawada ,  Daisuke Shibata

IPC分类号： F01N3/00 ,  F01N3/10

CPC分类号： F01N11/002 ,  F01N3/0885 ,  F01N3/2033 ,  F01N3/2066 ,  F01N3/208 ,  F01N9/002 ,  F01N2550/02 ,  F01N2560/06 ,  F01N2610/03 ,  F02D41/1446 ,  F02D41/1447 ,  F02D2200/0804 ,  Y02T10/24 ,  Y02T10/47

摘要： A catalyst deterioration diagnosis system performs a diagnosis of deterioration of the oxidation catalyst based on a high-temperature-inflow-condition exhaust gas temperature and a low-temperature-inflow-condition exhaust gas temperature. The high-temperature-inflow-condition exhaust gas temperature is a temperature detected by a temperature sensor while the temperature of the exhaust gas that flows into the oxidation catalyst is in a high temperature region H while the reducing agent is supplied from the reducing agent supply means into the exhaust gas that flows into the oxidation catalyst. The low-temperature-inflow-condition exhaust gas temperature is a temperature detected by the temperature sensor while the temperature of the exhaust gas that flows into the oxidation catalyst is in a low temperature region L while the reducing agent is supplied from a reducing agent supply means into the exhaust gas that flows into the oxidation catalyst.

摘要翻译： 催化剂劣化诊断系统基于高温流入条件排气温度和低温流入条件排气温度来诊断氧化催化剂的劣化。 高温流入条件废气温度是由温度传感器检测的温度，而流入氧化催化剂的废气的温度处于高温区域H，同时还原剂从还原剂供给源供给 意味着流入氧化催化剂的废气。 低温流入条件废气温度是由温度传感器检测的温度，而流入氧化催化剂的废气的温度处于低温区域L，而还原剂由还原剂供给源 意味着流入氧化催化剂的废气。

公开(公告)号：US08401765B2

公开(公告)日：2013-03-19

申请号：US13516841

申请日：2009-12-18

申请人： Yasushi Iwazaki ,  Hiroshi Sawada ,  Hiroshi Miyamoto ,  Fumihiko Nakamura ,  Keiichiro Aoki

发明人： Yasushi Iwazaki ,  Hiroshi Sawada ,  Hiroshi Miyamoto ,  Fumihiko Nakamura ,  Keiichiro Aoki

IPC分类号： F02D41/26 ,  F02D41/30 ,  F02B77/08

CPC分类号： F02D41/0085 ,  F02D41/1454 ,  F02D41/1494 ,  F02D41/1498 ,  F02D2250/14

摘要： An inter-cylinder air-fuel ratio imbalance determination apparatus that obtains, based on an output value Vabyfs of an air-fuel ratio sensor, an air-fuel ratio fluctuation indicating amount (AFD) which becomes larger as an air-fuel ratio fluctuation of an exhaust gas passing through a position at which the air-fuel ratio sensor is disposed becomes larger, during a parameter obtaining period. The determination apparatus estimates an air-fuel ratio sensor element temperature (Temps) having a strong relation with responsiveness of the air-fuel ratio sensor during the parameter obtaining period, and obtains a corrected air-fuel ratio fluctuation indicating amount by correcting the AFD based on the estimated Temps. The determination apparatus adopts the corrected air-fuel ratio fluctuation indicating amount as the imbalance determination parameter X, and determines whether or not an inter-cylinder air-fuel-ratio imbalance state has been occurring based on a comparison between the imbalance determination parameter X and the imbalance determination threshold Xth.

摘要翻译： 一种空转燃料比不平衡确定装置，其基于空燃比传感器的输出值Vabyfs，获得作为空燃比变动的空燃比变动指数（AFD）变大的空燃比变动指示量 在参数获取期间，通过设置有空燃比传感器的位置的排气变大。 确定装置估计在参数获取期间与空燃比传感器的响应性有很强关系的空燃比传感器元件温度（Temps），并且通过校正AFD来获得经校正的空燃比波动指示量 在估计的Temps。 确定装置采用校正的空燃比变动指示量作为不平衡判定参数X，并且基于不平衡确定参数X与不平衡确定参数X之间的比较来确定是否已经发生了缸间空燃比不平衡状态 不平衡判定阈值Xth。

公开(公告)号：US20130045417A1

公开(公告)日：2013-02-21

申请号：US13501106

申请日：2009-10-13

申请人： Tomitaro Hara ,  Akira Tsujiko ,  Sachie Yuasa ,  Takahito Imamine ,  Yuichi Itou ,  Hiroshi Sawada ,  Chikaaki Okuda ,  Osamu Hiruta ,  Mamoru Mizutani

发明人： Tomitaro Hara ,  Akira Tsujiko ,  Sachie Yuasa ,  Takahito Imamine ,  Yuichi Itou ,  Hiroshi Sawada ,  Chikaaki Okuda ,  Osamu Hiruta ,  Mamoru Mizutani

IPC分类号： H01M4/131 ,  H01M4/64

CPC分类号： H01M4/5825 ,  H01M4/131 ,  H01M4/62 ,  H01M4/622 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

摘要： A lithium ion secondary battery provided by the present invention has a positive electrode having a current collector and a positive electrode composite layer provided on the current collector. The current collector contains a metal element A as a main component thereof. The positive electrode composite layer contains a two-phase compound containing lithium as a positive electrode active material. The positive electrode composite layer also contains as an additive a compound having a metal element B, in a composition thereof, that has a higher ionization tendency than the metal element A.

摘要翻译： 本发明提供的锂离子二次电池具有设置在集电体上的具有集电体和正极复合层的正极。 集电体含有金属元素A作为其主要成分。 正极复合层含有锂作为正极活性物质的两相化合物。 正极复合层还含有作为添加剂的具有金属元素B的化合物，其组成为具有比金属元素A更高的电离倾向的化合物。

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。

公开(公告)号：US20120277980A1

公开(公告)日：2012-11-01

申请号：US13516841

申请日：2009-12-18

申请人： Yasushi Iwazaki ,  Hiroshi Sawada ,  Hiroshi Miyamoto ,  Fumihiko Nakamura ,  Keiichiro Aoki

发明人： Yasushi Iwazaki ,  Hiroshi Sawada ,  Hiroshi Miyamoto ,  Fumihiko Nakamura ,  Keiichiro Aoki

IPC分类号： F02D41/26 ,  F02D41/30

CPC分类号： F02D41/0085 ,  F02D41/1454 ,  F02D41/1494 ,  F02D41/1498 ,  F02D2250/14

摘要： An inter-cylinder air-fuel ratio imbalance determination apparatus that obtains, based on an output value Vabyfs of an air-fuel ratio sensor, an air-fuel ratio fluctuation indicating amount (AFD) which becomes larger as an air-fuel ratio fluctuation of an exhaust gas passing through a position at which the air-fuel ratio sensor is disposed becomes larger, during a parameter obtaining period. The determination apparatus estimates an air-fuel ratio sensor element temperature (Temps) having a strong relation with responsiveness of the air-fuel ratio sensor during the parameter obtaining period, and obtains a corrected air-fuel ratio fluctuation indicating amount by correcting the AFD based on the estimated Temps. The determination apparatus adopts the corrected air-fuel ratio fluctuation indicating amount as the imbalance determination parameter X, and determines whether or not an inter-cylinder air-fuel-ratio imbalance state has been occurring based on a comparison between the imbalance determination parameter X and the imbalance determination threshold Xth.

摘要翻译： 一种空转燃料比不平衡确定装置，其基于空燃比传感器的输出值Vabyfs，获得作为空燃比变动的空燃比变动指数（AFD）变大的空燃比变动指示量 在参数获取期间，通过设置有空燃比传感器的位置的排气变大。 确定装置估计在参数获取期间与空燃比传感器的响应性有很强关系的空燃比传感器元件温度（Temps），并且通过校正AFD来获得经校正的空燃比波动指示量 在估计的Temps。 确定装置采用校正的空燃比变动指示量作为不平衡判定参数X，并且基于不平衡确定参数X与不平衡确定参数X之间的比较来确定是否已经发生了缸间空燃比不平衡状态 不平衡判定阈值Xth。

公开(公告)号：US08219278B2

公开(公告)日：2012-07-10

申请号：US12673358

申请日：2008-08-11

申请人： Hiroshi Sawada ,  Shinichiro Imamura

发明人： Hiroshi Sawada ,  Shinichiro Imamura

IPC分类号： G01M17/00 ,  G06F7/00 ,  G06F19/00

CPC分类号： B01D53/9409 ,  B01D53/9495 ,  F01N3/0842 ,  F02D41/0275 ,  F02D41/1441 ,  F02D41/1456 ,  F02D41/146 ,  F02D41/1463 ,  F02D41/1475 ,  F02D41/222 ,  F02D2041/1468 ,  Y02T10/24

摘要： The NOx sensor malfunction diagnostic device includes a control section. The control section performs the supplying of an excess amount of reducing agent, which is more than an amount required to reduce adsorbed NOx in a NOx reduction catalyst when a predetermined amount of NOx has been adsorbed in the NOx catalyst, and detects malfunctions of the NOx sensor based on NOx sensor output signal when the excess amount of reduction agent is supplied.

摘要翻译： NOx传感器故障诊断装置包括控制部。 控制部分执行过量的还原剂的供应，当NO x催化剂中已经吸收了预定量的NOx时，该还原剂的量大于减少NO x还原催化剂中的NOx吸收所需的量，并且检测NOx的故障 当提供过剩量的还原剂时，基于NOx传感器输出信号的传感器。

公开(公告)号：US08111006B2

公开(公告)日：2012-02-07

申请号：US12374818

申请日：2008-03-13

申请人： Kunihiro Komiya ,  Hiroshi Sawada

发明人： Kunihiro Komiya ,  Hiroshi Sawada

IPC分类号： H05B41/36

CPC分类号： H05B33/0815 ,  G09G3/14 ,  G09G2330/02 ,  H05B33/0818 ,  Y02B20/347

摘要： A light emitting diode driving apparatus 10 of the present invention includes: a driving voltage generating section 11 for generating a driving voltage Vout of an LED; a driving current control section 12 for PWM controlling driving currents iW1 to iW3 that flow through the LED; and a monitor voltage generating section 13 that monitors the driving voltage Vout, and that generates a monitor voltage Vm during an OFF period of the driving current by superposing on a predetermined reference voltage Vref, which is used as a standard, a voltage corresponding to a difference occurring in the driving voltage Vout during the OFF period. The driving voltage generating section 11 performs feedback control of the driving voltage Vout such that feedback voltages VW1 to VW3 are equal to the reference voltage Vref during an ON period of the driving current, and the driving voltage generating section 11 performs feedback control of the driving voltage Vout such that the monitor voltage Vm is equal to the reference voltage Vref during an OFF period of the driving current Vout.

摘要翻译： 本发明的发光二极管驱动装置10包括：用于产生LED的驱动电压Vout的驱动电压产生部11; 用于PWM控制流过LED的驱动电流iW1至iW3的驱动电流控制部分12; 以及监视电压生成部13，其监视驱动电压Vout，并且通过将用作标准的预定参考电压Vref叠加在驱动电流的OFF周期期间产生监视电压Vm， 在OFF周期期间在驱动电压Vout中出现的差。 驱动电压产生部分11在驱动电流的导通期间中执行驱动电压Vout的反馈控制，使得反馈电压VW1至VW3等于参考电压Vref，并且驱动电压产生部分11执行驱动的反馈控制 电压Vout，使得在驱动电流Vout的OFF周期期间监视电压Vm等于基准电压Vref。

公开(公告)号：US20110288739A1

公开(公告)日：2011-11-24

申请号：US13146354

申请日：2009-02-03

申请人： Toru Kidokoro ,  Hiroshi Sawada ,  Yasushi Iwazaki ,  Fumihiko Nakamura

发明人： Toru Kidokoro ,  Hiroshi Sawada ,  Yasushi Iwazaki ,  Fumihiko Nakamura

IPC分类号： F02D41/14

CPC分类号： F02D41/0085 ,  F02D41/0042 ,  F02D41/1441 ,  F02D41/1454 ,  F02D41/2454 ,  F02M25/08 ,  F02M35/10216 ,  F02M35/10386

摘要： An apparatus for determining an air-fuel ratio imbalance among cylinders including an upstream air-fuel ratio sensor, a catalytic converter, and a downstream air-fuel ratio sensor disposed at positions downstream of an exhaust gas aggregated portion, calculates a sub feedback amount to have an output value of the downstream air-fuel ratio sensor coincides with a value corresponding to the stoichiometric air-fuel ratio, and performs an air-fuel ratio feedback control to have an air-fuel ratio of a mixture supplied to an engine based on the sub feedback amount and the output value of the upstream air-fuel ratio sensor.

摘要翻译： 一种用于确定包括上游空燃比传感器，催化转化器和布置在废气聚集部分下游的下游空燃比传感器的气缸之间的空燃比不平衡的装置，计算副反馈量至 具有下游空燃比传感器的输出值与理论空燃比对应的值一致，进行空燃比反馈控制，使得供给发动机的混合气的空燃比基于 副反馈量和上游空燃比传感器的输出值。

公开(公告)号：US08024105B2

公开(公告)日：2011-09-20

申请号：US12416262

申请日：2009-04-01

申请人： Yasushi Iwazaki ,  Toru Kidokoro ,  Hiroshi Sawada ,  Keiji Imamura ,  Fumihiko Nakamura

发明人： Yasushi Iwazaki ,  Toru Kidokoro ,  Hiroshi Sawada ,  Keiji Imamura ,  Fumihiko Nakamura

IPC分类号： F02D41/22

CPC分类号： F01N11/00 ,  F01N3/10 ,  F01N2550/02 ,  F01N2560/06 ,  Y02T10/47

摘要： An apparatus and a method for detecting abnormal air-fuel ratio variation among cylinders of a multi-cylinder internal combustion engine are provided. The apparatus includes: a catalyst that is provided in an exhaust passage of the multi-cylinder internal combustion engine; a catalyst temperature detection unit that detects a temperature of the catalyst; a catalyst temperature estimation unit that estimates a temperature of the catalyst based on an engine operating state; and an abnormality detection unit that determines whether abnormal air-fuel ratio variation among the cylinders has occurred based on the detected temperature of the catalyst and the estimated temperature of the catalyst.

摘要翻译： 提供一种用于检测多缸内燃机的气缸之间的异常空燃比变动的装置和方法。 该装置包括：设置在多气缸内燃机的排气通路中的催化剂; 催化剂温度检测单元，其检测催化剂的温度; 催化剂温度估计单元，其基于发动机运转状态来估计催化剂的温度; 以及异常检测单元，其基于检测到的催化剂的温度和催化剂的估计温度来判定是否发生了气缸之间的异常空燃比变动。