公开(公告)号：US06263667B1

公开(公告)日：2001-07-24

申请号：US09664449

申请日：2000-09-18

申请人： Hiroshi Sawada ,  Junichi Kako

发明人： Hiroshi Sawada ,  Junichi Kako

IPC分类号： F01N300

CPC分类号： F02D41/0275 ,  B01D53/9409 ,  B01D53/9495 ,  F01N3/0842 ,  F01N11/007 ,  F01N13/009 ,  F01N13/011 ,  F01N2430/06 ,  F01N2550/02 ,  F01N2550/03 ,  F01N2900/0422 ,  F02D2200/0816 ,  Y02T10/47

摘要： In an exhaust gas purification device for an internal combustion engine, a NOX occluding and reducing catalyst is disposed in the exhaust gas passage of an engine. The NOX occluding and reducing catalyst absorbs NOX in the exhaust gas when the air-fuel ratio of the exhaust gas is at a lean air-fuel ratio and releases and reduces NOX when the air-fuel ratio of the exhaust gas is at a rich air-fuel ratio. The air-fuel ratio of the exhaust gas flowing out from the catalyst is detected by an air-fuel ratio sensor disposed in the exhaust gas passage downstream of the catalyst. When the air-fuel ratio of the exhaust gas flowing into the catalyst is changed from a rich air-fuel ratio to a lean air-fuel ratio, the air-fuel ratio of the exhaust gas flowing out from the catalyst stays at a stoichiometric air-fuel ratio before it changes to a lean air-fuel ratio. The length of the period in which the air-fuel ratio of the exhaust gas flowing out from the catalyst stays at a stoichiometric air-fuel ratio corresponds to the magnitude of the ability of the NOX occluding and reducing catalyst as a reducing catalyst. Thus, by measuring the length of the stoichiometric air-fuel ratio period of the exhaust gas flowing out from the NOX occluding and reducing catalyst, the ability of the NOX occluding and reducing catalyst as a reducing catalyst can be precisely evaluated.

摘要翻译： 在内燃机的废气净化装置中，在发动机的排气通路内配置有NO x吸留还原催化剂。 当废气的空燃比处于稀空燃比时，NO x吸留和还原催化剂吸收废气中的NO x，并且当排气的空燃比处于浓空气时，NOx还原和还原NO x - 燃料比。 从催化剂流出的废气的空燃比由设置在催化剂下游的废气通道中的空燃比传感器来检测。 当流入催化剂的废气的空燃比从浓空燃比变为稀空燃比时，从催化剂流出的废气的空燃比保持在化学计量空气 - 燃料比变化到稀薄的空燃比。 从催化剂流出的废气的空燃比保持在理论空燃比的时段的长度对应于作为还原催化剂的NO x吸藏和还原催化剂的能力的大小。 因此，通过测定从NO X吸留还原催化剂流出的废气的理论空燃比期间的长度，可以精确地评价作为还原催化剂的NO X吸留还原催化剂的能力。

公开(公告)号：US6138453A

公开(公告)日：2000-10-31

申请号：US151230

申请日：1998-09-10

申请人： Hiroshi Sawada ,  Junichi Kako

发明人： Hiroshi Sawada ,  Junichi Kako

IPC分类号： B01D53/94 ,  F01N3/08 ,  F01N11/00 ,  F01N13/02 ,  F01N13/04 ,  F02D41/02 ,  F01N3/00

CPC分类号： F02D41/0275 ,  B01D53/9409 ,  B01D53/9495 ,  F01N11/007 ,  F01N13/009 ,  F01N13/011 ,  F01N2430/06 ,  F01N2550/02 ,  F01N2550/03 ,  F01N2900/0422 ,  F01N3/0842 ,  F02D2200/0816 ,  Y02T10/47

摘要： In an exhaust gas purification device for an internal combustion engine, a NO.sub.X occluding and reducing catalyst is disposed in the exhaust gas passage of an engine. The NO.sub.X occluding and reducing catalyst absorbs NO.sub.X in the exhaust gas when the air-fuel ratio of the exhaust gas is at a lean air-fuel ratio and releases and reduces NO.sub.X when the air-fuel ratio of the exhaust gas is at a rich air-fuel ratio. The air-fuel ratio of the exhaust gas flowing out from the catalyst is detected by an air-fuel ratio sensor disposed in the exhaust gas passage downstream of the catalyst. When the air-fuel ratio of the exhaust gas flowing into the catalyst is changed from a rich air-fuel ratio to a lean air-fuel ratio, the air-fuel ratio of the exhaust gas flowing out from the catalyst stays at a stoichiometric air-fuel ratio before it changes to a lean air-fuel ratio. The length of the period in which the air-fuel ratio of the exhaust gas flowing out from the catalyst stays at a stoichiometric air-fuel ratio corresponds to the magnitude of the ability of the NO.sub.X occluding and reducing catalyst as a reducing catalyst. Thus, by measuring the length of the stoichiometric air-fuel ratio period of the exhaust gas flowing out from the NO.sub.X occluding and reducing catalyst, the ability of the NO.sub.X occluding and reducing catalyst as a reducing catalyst can be precisely evaluated.

摘要翻译： 在内燃机的废气净化装置中，在发动机的排气通路内配置有NO x吸留还原催化剂。 当废气的空燃比处于贫空燃比时，NO x吸留和还原催化剂吸收废气中的NO x，并且当排气的空燃比处于浓空气时，NOx还原和还原NO x - 燃料比。 从催化剂流出的废气的空燃比由设置在催化剂下游的废气通道中的空燃比传感器来检测。 当流入催化剂的废气的空燃比从浓空燃比变为稀空燃比时，从催化剂流出的废气的空燃比保持在化学计量空气 - 燃料比变化到稀薄的空燃比。 从催化剂流出的废气的空燃比保持在理论空燃比的时段的长度对应于作为还原催化剂的NO x吸藏和还原催化剂的能力的大小。 因此，通过测定从NO X吸留还原催化剂流出的废气的理论空燃比期间的长度，可以精确地评价作为还原催化剂的NO X吸留还原催化剂的能力。

公开(公告)号：US5970707A

公开(公告)日：1999-10-26

申请号：US150266

申请日：1998-09-09

申请人： Hiroshi Sawada ,  Junichi Kako

发明人： Hiroshi Sawada ,  Junichi Kako

IPC分类号： F01N3/08 ,  B01D53/94 ,  F01N3/20 ,  F01N3/24 ,  F01N11/00 ,  F01N13/02 ,  F01N13/04 ,  F02D41/02 ,  F02D41/14 ,  F01N3/00

CPC分类号： B01D53/9454 ,  B01D53/9495 ,  F01N11/007 ,  F01N13/009 ,  F01N13/011 ,  F01N3/0842 ,  F02D41/0275 ,  F02D41/1441 ,  F01N2250/12 ,  F01N2550/02 ,  F01N2550/03 ,  F02D41/1456 ,  Y02T10/22 ,  Y02T10/47

摘要： In an exhaust gas purification device for an internal combustion engine, a three-way catalyst and a NO.sub.X occluding and reducing catalyst (a NORC) are disposed in the exhaust gas passage of an engine in this order from the upstream side. A first air-fuel ratio sensor is disposed in the exhaust gas passage between the three-way catalyst and the NORC, and a second air-fuel ratio sensor is disposed in the exhaust gas passage downstream of the NORC. An engine electronic control unit (ECU) changes the operating air-fuel ratio of the engine from a lean air-fuel ratio to a rich air-fuel ratio and a rich air-fuel ratio to a lean air-fuel ratio in order to evaluate the abilities of the three-way catalyst and the NORC. The ECU evaluates the catalytic abilities based on the output of the first air-fuel ratio sensor when the engine air-fuel ratio is changed. Further, the ECU evaluates the catalytic ability and the NO.sub.X absorbing capacity of the NORC based on the outputs of the first and the second air-fuel ratio sensor when the engine operating air-fuel ratio is changed. The evaluation of the abilities of both the three-way catalyst and the NORC in one successive changing operation of the engine operating air-fuel ratio is based on only the outputs of the first and the second air-fuel ratio sensor.

摘要翻译： 另外，在内燃机的废气净化装置中，从上游侧依次配置有发动机的排气通路中的三元催化剂和NO X吸留还原催化剂（NORC）。 第一空燃比传感器设置在三通催化剂和NORC之间的排气通道中，第二空燃比传感器设置在NORC下游的排气通道中。 发动机电子控制单元（ECU）将发动机的运转空燃比从稀空燃比变为浓空燃比和浓空燃比为了评价 三元催化剂和NORC的能力。 当发动机空燃比改变时，ECU基于第一空燃比传感器的输出来评估催化能力。 此外，当发动机运转空燃比变化时，ECU基于第一和第二空燃比传感器的输出，评价NORC的催化能力和NO x吸收能力。 在发动机工作空燃比的一个连续变化操作中对三元催化剂和NORC两者的能力的评估仅基于第一和第二空燃比传感器的输出。

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：US20140003999A1

公开(公告)日：2014-01-02

申请号：US14006250

申请日：2011-03-22

申请人： Yoshitaka Nakamura ,  Hirotaka Saito ,  Toru Kidokoro ,  Hiroshi Sawada ,  Kenji Sakurai

发明人： Yoshitaka Nakamura ,  Hirotaka Saito ,  Toru Kidokoro ,  Hiroshi Sawada ,  Kenji Sakurai

IPC分类号： G01N31/10

CPC分类号： G01N31/10 ,  F01N3/0842 ,  F01N3/0871 ,  F01N9/00 ,  F01N11/00 ,  F01N2550/03 ,  F01N2560/021 ,  Y02T10/47

摘要： An accurate determination of deterioration of a NOx storage reduction catalyst. A supply device supplies a reducing agent to the NOx catalyst to change an air fuel ratio of an exhaust gas passing through the NOx catalyst, an NH3 detection device detects NH3 in the exhaust gas at the downstream side of the NOx catalyst, a control device adjusts an amount of the reducing agent so that the air fuel ratio of the exhaust gas becomes a predetermined rich air fuel ratio, and a determination device makes a determination that the NOx catalyst has deteriorated, when a detected value of the NH3 detection device becomes equal to or greater than a threshold value, at the time of supplying the reducing agent while adjusting the amount of the reducing agent so that the air fuel ratio of the exhaust gas becomes the predetermined rich air fuel ratio.

摘要翻译： 精确测定NOx储存还原催化剂的劣化。 供给装置向NO x催化剂供给还原剂以改变通过NOx催化剂的废气的空燃比，NH 3检测装置检测NOx催化剂下游侧的废气中的NH 3，控制装置调整 一定量的还原剂使得排气的空燃比成为预定的浓空燃比，并且当NH 3检测装置的检测值变为等于1时，确定装置判定为NOx催化剂已劣化 或大于阈值，同时在调节还原剂的量的同时供给还原剂，使得排气的空燃比成为预定的浓空燃比。

公开(公告)号：US08560208B2

公开(公告)日：2013-10-15

申请号：US13505849

申请日：2009-11-05

申请人： Hiroshi Miyamoto ,  Yasushi Iwazaki ,  Hiroshi Sawada

发明人： Hiroshi Miyamoto ,  Yasushi Iwazaki ,  Hiroshi Sawada

IPC分类号： B60T7/12

CPC分类号： F02D41/0085 ,  F02D41/0065 ,  F02D41/1454 ,  Y02T10/47

摘要： An inter-cylinder air-fuel ratio imbalance determination apparatus (determination apparatus) according to the present invention obtains, as an “EGR supplying state imbalance determination parameter”, a value corresponding to a differential value d(abyfs)dt of a detected air-fuel ratio abyfs represented by an output value of an air-fuel ratio sensor when an EGR gas is being supplied, and obtains, as an “EGR stop state imbalance determination parameter”, a value corresponding to a differential value d(abyfs)dt when an EGR gas supply is being stopped. The determination apparatus obtains an “EGR-causing imbalance determination parameter Pegr” by subtracting the EGR stop state imbalance determination parameter Poff from the EGR supplying state imbalance determination parameter Pon, and determines that an inter-cylinder air-fuel ratio imbalance state has occurred due to the supply of the EGR gas when the parameter Pegr is larger than a threshold Pegrth.

摘要翻译： 根据本发明的气缸内空燃比不平衡判定装置（判定装置），作为“EGR供给状态不平衡判定参数”，获得与检测到的空气 - 燃料比不平衡判定装置的差分值d（abyfs）dt对应的值， 在EGR气体供给时由空燃比传感器的输出值表示的燃料比abyfs，作为“EGR停止状态不平衡判定参数”，获得与差分值d（abyfs）dt对应的值 正在停止EGR气体供应。 确定装置通过从EGR供应状态不平衡确定参数Pon中减去EGR停止状态不平衡确定参数Poff而获得“EGR导致不平衡确定参数Pegr”，并且确定缸间空燃比不平衡状态已经发生 当参数Pegr大于阈值Pegrth时，供应EGR气体。

公开(公告)号：US20130261934A1

公开(公告)日：2013-10-03

申请号：US13871249

申请日：2013-04-26

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

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

IPC分类号： F02D41/00

CPC分类号： F02D41/00 ,  F02D41/0042 ,  F02D41/0085 ,  F02D41/1454 ,  F02D41/2441 ,  F02D41/2454

摘要： An apparatus for determining an air-fuel ratio imbalance among cylinders based on an output value of an air-fuel ratio sensor, an imbalance determination parameter which becomes larger or smaller as a difference among air-fuel ratios becomes larger, and performs determining an air-fuel ratio imbalance among cylinders based on a result of a comparison between the imbalance determination parameter and a imbalance determination threshold. The determining apparatus calculates a purge correction coefficient which compensates for a change in the air-fuel ratio due to an evaporated fuel gas which is generated in a fuel tank, while the evaporated fuel gas is being introduced into an intake passage, and corrects a fuel injection amount with the purge correction coefficient FPG.

摘要翻译： 一种用于基于空燃比传感器的输出值来确定气缸之间的空燃比不平衡的装置，作为空燃比之差变大或变小的不平衡确定参数变大，并且执行空气 - 基于不平衡确定参数和不平衡确定阈值之间的比较的结果，气缸之间的燃料比不平衡。 确定装置计算净化校正系数，其补偿由于在燃料箱中产生的蒸发燃料气体而引起的空燃比的变化，同时蒸发的燃料气体被引入进气通道中，并且校正燃料 喷射量与净化校正系数FPG。

公开(公告)号：US08509984B2

公开(公告)日：2013-08-13

申请号：US13146323

申请日：2009-01-28

申请人： Toru Kidokoro ,  Hiroshi Sawada ,  Yasushi Iwazaki ,  Fumihiko Nakamura ,  Shuntaro Okazaki ,  Masanori Ishida

发明人： Toru Kidokoro ,  Hiroshi Sawada ,  Yasushi Iwazaki ,  Fumihiko Nakamura ,  Shuntaro Okazaki ,  Masanori Ishida

IPC分类号： F02D45/00

CPC分类号： F02D41/0085 ,  F02D41/1441 ,  F02D41/1495 ,  F02D41/2454

摘要： A monitoring apparatus including a catalytic converter, an upstream air-fuel ratio sensor, and a downstream air-fuel ratio sensor; calculates a sub feedback amount to have an air-fuel ratio represented based on an output value of the downstream air-fuel ratio sensor coincide with a stoichiometric air-fuel ratio; and controls an fuel injection amount based on an output value of the upstream air-fuel ratio sensor and the sub feedback amount, in such a manner that an air-fuel ratio of a mixture supplied to an engine coincides with the stoichiometric air-fuel ratio.

摘要翻译： 一种监测装置，包括催化转化器，上游空燃比传感器和下游空燃比传感器; 计算出具有基于下游空燃比传感器的输出值表示的空燃比与副理论空燃比一致的副反馈量; 并且以提供给发动机的混合物的空燃比与理论空燃比一致的方式控制基于上游空燃比传感器的输出值和副反馈量的燃料喷射量 。

公开(公告)号：US20130059199A1

公开(公告)日：2013-03-07

申请号：US13501102

申请日：2010-09-14

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

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

IPC分类号： H01M10/0525

CPC分类号： H01M4/5825 ,  H01M4/131 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

摘要： A lithium-ion secondary battery with excellent durability is provided using a two-phase coexisting compound as a positive electrode active material. This lithium-ion secondary battery is provided with an electrode body having a positive electrode containing a positive electrode active material and a negative electrode containing a negative electrode active material, and a non-aqueous electrolyte solution containing a lithium salt in an organic solvent. The positive electrode active material is mainly composed of a two-phase coexisting compound containing lithium, and also contains particles of a lithium-transition metal oxide with a layered structure. The particles of the layered oxide have an average particle diameter of 2 μm or less, and the percentage content thereof in the positive electrode active material is 5 mass % or less.

摘要翻译： 使用两相共存化合物作为正极活性物质，提供耐久性优异的锂离子二次电池。 该锂离子二次电池设置有具有含有正极活性物质的正极和含有负极活性物质的负极的电极体和在有机溶剂中含有锂盐的非水电解液。 正极活性物质主要由含锂的两相共存化合物组成，并且还含有具有层状结构的锂 - 过渡金属氧化物的颗粒。 层状氧化物的粒子的平均粒径为2μm以下，正极活性物质的含有率为5质量％以下。

公开(公告)号：US08360436B2

公开(公告)日：2013-01-29

申请号：US12812033

申请日：2009-01-06

申请人： Yoshihiro Teshima ,  Hiroshi Sawada

发明人： Yoshihiro Teshima ,  Hiroshi Sawada

IPC分类号： F16J15/34

CPC分类号： F16J15/3424

摘要： The present invention provides a mechanical seal sliding member with high lubricating characteristics, in which the coefficient of friction and the temperature of sliding surfaces are lowered and stabilized without excessive leakage. In the mechanical seal sliding member of the present invention, on the sliding surface 2, a plurality of grating sections 5 are formed separately in each of which a plurality of linear shape ridge portions parallel to each other are formed in a predetermined region with a predetermined pitch. The linear shape ridge portions of the plurality of grating sections are formed as inclined at a predetermined angle to a sliding direction of the sliding surfaces 2. Such periodic structure can improve the lubricating characteristics for lubrication. By irradiating a linearly polarized femtosecond laser with irradiating energy adjacent to a process threshold level to a material surface, a fine periodic structure with a cycle interval comparable with a laser wavelength and with a ridge depth half or less than the laser wavelength can be formed by a self-structuring manner.

摘要翻译： 本发明提供一种具有高润滑特性的机械密封滑动构件，其中摩擦系数和滑动面的温度降低并稳定而没有过多的泄漏。 在本发明的机械密封滑动部件中，在滑动面2上分别形成多个光栅部5，每个光栅部5分别形成有规定区域的多个直线状的脊状部， 沥青。 多个格栅部的直线形状的脊部形成为与滑动面2的滑动方向成预定角度倾斜。这种周期性结构可以提高润滑的润滑特性。 通过用材料表面照射具有与过程阈值水平相邻的能量的线性偏振飞秒激光，可以通过与激光波长相当的周期间隔和具有与激光波长一半或更小的脊深度的精细周期性结构来形成微小的周期性结构， 一种自我组织的方式。