公开(公告)号：US08336296B2

公开(公告)日：2012-12-25

申请号：US12742309

申请日：2008-11-11

申请人： Koichiro Nakatani ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Tomoyuki Kogo ,  Katsuhiro Ito ,  Masayoshi Nakagawa ,  Yoshihiro Hisataka

发明人： Koichiro Nakatani ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Tomoyuki Kogo ,  Katsuhiro Ito ,  Masayoshi Nakagawa ,  Yoshihiro Hisataka

IPC分类号： F01N3/00

CPC分类号： F02D41/0275 ,  B01D53/9409 ,  B01D53/9495 ,  B01D2251/208 ,  B01D2255/91 ,  B01D2257/302 ,  B01D2257/404 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/106 ,  F01N3/206 ,  F01N9/00 ,  F01N11/002 ,  F01N13/009 ,  F01N2550/05 ,  F01N2610/03 ,  F01N2610/1493 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1602 ,  F02D41/025 ,  F02D41/028 ,  F02D41/405 ,  F02D2200/0802 ,  F02M26/05 ,  F02M26/15 ,  Y02T10/26 ,  Y02T10/47

摘要： An object of the present invention is to provide a technology that enables reduction of NOx stored in an NOx catalyst with improved efficiency in an exhaust gas purification system for an internal combustion engine. According to the present invention, when NOx stored in the NOx catalyst is to be reduced, if the temperature of the NOx catalyst is lower than a specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased only by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine, and if the temperature of the NOx catalyst is not lower than the specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased either only by adding reducing agent through reducing agent addition means, or by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine and adding reducing agent through the reducing agent addition means.

摘要翻译： 本发明的一个目的是提供一种能够在内燃机的排气净化系统中提高效率地减少存储在NOx催化剂中的NOx的技术。 根据本发明，当NOx吸收剂中存储的NOx降低时，如果NOx催化剂的温度低于特定温度，则NOx催化剂周围环境气氛的空燃比仅通过减少 从内燃机排出的废气的空燃比，如果NOx催化剂的温度不低于特定温度，则NOx催化剂周围的环境气氛的空燃比仅通过 通过还原剂添加装置添加还原剂，或者通过降低从内燃机排出的废气的空燃比，并通过还原剂添加装置添加还原剂。

公开(公告)号：US07178506B2

公开(公告)日：2007-02-20

申请号：US11126250

申请日：2005-05-11

申请人： Susumu Kojima ,  Terutoshi Tomoda

发明人： Susumu Kojima ,  Terutoshi Tomoda

IPC分类号： F02B7/00 ,  F02B7/04

CPC分类号： F02M63/0225 ,  F02B23/104 ,  F02D41/3094 ,  F02D41/3845 ,  F02D41/3863 ,  F02D2041/3881 ,  F02D2250/04 ,  F02M55/04 ,  F02M59/366 ,  F02M63/029 ,  F02M69/043 ,  F02M69/044 ,  F02M69/045 ,  F02M69/046 ,  Y02T10/125

摘要： A low-pressure fuel supply system for applying pressure to a fuel by using a feed pump and supplying the fuel to a manifold fuel injection mechanism, and a high-pressure fuel supply system branched from the low-pressure fuel supply system and for applying pressure to the low-pressure fuel by using a high-pressure pump of a metering delivery type driven in accordance with the engine operation state and supplying the resultant fuel to an in-cylinder fuel injection mechanism are provided. The high-pressure pump supplies all the pressurized fuel to the high-pressure fuel supply system, irrespective of an actuation state of the in-cylinder fuel injection mechanism. Excessive fuel is returned when a relief valve is opened. Thus, pulsation caused by operation of the high-pressure pump is reduced, and the fuel can be supplied in a proper quantity.

摘要翻译： 一种低压燃料供给系统，其通过使用供给泵向燃料施加压力并将燃料供给到歧管燃料喷射机构，以及从低压燃料供给系统分支并且施加压力的高压燃料供给系统 通过使用根据发动机操作状态驱动的计量输送型的高压泵将所得到的燃料供给到缸内燃料喷射机构，提供给低压燃料。 高压泵将所有加压的燃料供应到高压燃料供应系统，而与缸内燃料喷射机构的致动状态无关。 当安全阀打开时，会返回过多的燃油。 因此，由于高压泵的运转引起的脉动降低，能够适当地供给燃料。

公开(公告)号：US20050155577A1

公开(公告)日：2005-07-21

申请号：US11033137

申请日：2005-01-12

申请人： Masaharu Ichise ,  Terutoshi Tomoda ,  Yoshihiro Okada

发明人： Masaharu Ichise ,  Terutoshi Tomoda ,  Yoshihiro Okada

IPC分类号： F02M61/14 ,  F02B17/00 ,  F02B23/08 ,  F02B23/10 ,  F02B31/00 ,  F02B31/08 ,  F02B75/12 ,  F02D41/30 ,  F02D41/38 ,  F02F1/42 ,  F02M63/00 ,  F02M63/02 ,  F02M69/04 ,  F02M69/36

CPC分类号： F02M69/046 ,  F02B17/00 ,  F02B23/104 ,  F02B2075/125 ,  F02B2275/14 ,  F02B2275/16 ,  F02D41/3094 ,  F02D2041/389 ,  F02M63/0225 ,  F02M69/044 ,  F02M69/045 ,  Y02T10/123 ,  Y02T10/125

摘要： Each cylinder is provided with an ignition plug, two intake valves, an intra-cylinder fuel injector, and a port fuel injector. When homogeneous combustion is demanded, the intra-cylinder fuel injector and port fuel injector inject fuel on the same engine cycle. The port fuel injector is installed so that the amount of fuel directed toward outer regions of the intake valves is larger than that of fuel directed toward inner regions of the intake valves, thereby causing only fresh air to flow to regions near the inner regions of the intake valves.

摘要翻译： 每个气缸设置有火花塞，两个进气门，缸内燃料喷射器和端口燃料喷射器。 当需要均匀燃烧时，缸内燃料喷射器和燃料喷射器喷油器在相同的发动机循环中喷射燃料。 端口燃料喷射器被安装成使得朝向进气门的外部区域的燃料量大于朝向进气门的内部区域的燃料的量，从而仅使新鲜空气流到靠近进气门的内部区域的区域 进气阀。

公开(公告)号：US08418446B2

公开(公告)日：2013-04-16

申请号：US12740250

申请日：2008-11-11

申请人： Koichiro Nakatani ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Tomoyuki Kogo ,  Katsuhiro Ito

发明人： Koichiro Nakatani ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Tomoyuki Kogo ,  Katsuhiro Ito

IPC分类号： F01N3/24 ,  F01N3/08 ,  F01N3/20 ,  B01D53/94 ,  F02D41/04

CPC分类号： F02D41/0055 ,  B01D2255/91 ,  B01D2258/012 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/106 ,  F01N13/009 ,  F02D41/0052 ,  F02D41/0275 ,  F02D2200/0802 ,  F02D2250/38 ,  Y02T10/47

摘要： Disclosed is a technology that enables better reduction of NOx stored in an NOx catalyst in an exhaust gas purification system for an internal combustion engine. When NOx stored in an NOx catalyst is to be reduced, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to a target air-fuel ratio by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine. In doing so, if the temperature of the NOx catalyst is not lower than a specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to the target air-fuel ratio while bringing the combustion state into low temperature combustion. On the other hand, if the temperature of the NOx catalyst is lower than the specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to the target air-fuel ratio while decreasing the quantity of EGR gas in a cylinder so that the amount of generated smoke is kept within an allowable range.

摘要翻译： 公开了一种能够更好地还原内燃机的排气净化系统中的NOx催化剂中存储的NOx的技术。 当减少NOx吸收剂中存储的NOx时，通过降低从内燃部排出的废气的空燃比，将NOx催化剂周围的环境气体的空燃比降低到目标空燃比 发动机。 在这样做时，如果NOx催化剂的温度不低于特定温度，则NOx催化剂周围环境气氛的空燃比降低到目标空燃比，同时使燃烧状态进入低温燃烧 。 另一方面，如果NOx催化剂的温度低于特定温度，则NOx催化剂周围环境气氛的空燃比降低到目标空燃比，同时减少EGR气体的量 使得产生的烟雾量保持在容许范围内。

公开(公告)号：US08302382B2

公开(公告)日：2012-11-06

申请号：US12529267

申请日：2008-02-29

申请人： Terutoshi Tomoda ,  Shinobu Ishiyama ,  Michio Furuhashi ,  Tomoyuki Ono ,  Koichiro Nakatani ,  Tomoyuki Kogo

发明人： Terutoshi Tomoda ,  Shinobu Ishiyama ,  Michio Furuhashi ,  Tomoyuki Ono ,  Koichiro Nakatani ,  Tomoyuki Kogo

IPC分类号： F01N3/20

CPC分类号： F02D41/0055 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N9/00 ,  F01N2240/36 ,  F01N2430/08 ,  F02B29/0406 ,  F02B31/085 ,  F02B37/00 ,  F02B2275/14 ,  F02D9/04 ,  F02D41/0275 ,  F02D41/403 ,  F02D2041/0015 ,  F02D2250/18 ,  F02M26/06 ,  F02M26/10 ,  F02M26/15 ,  F02M26/23 ,  Y02T10/123 ,  Y02T10/47

摘要： During a rich spike control for an exhaust gas purification system for an internal combustion engine, a base air-fuel ratio AFb is decreased in a range where a combustion variation ΔCC does not exceed a permissible limit ΔCCL (S108). When the combustion variation ΔCC exceeds the permissible limit ΔCCL, the spike base air-fuel ratio AFbs is increased (S213). When the torque decrease amount ΔTD is above the permissible value ΔTDL, the spike base air-fuel ratio AFbs is decreased (S215). When the combustion variation ΔCC is above the permissible limit ΔCCL, and the torque decrease amount ΔTD is above the permissible value ΔTDL, the spike base air-fuel ratio AFbs is increased, and a fuel discharge time number EN is increased (S216).

摘要翻译： 在用于内燃机的废气净化系统的丰富的尖峰控制中，在燃烧变化＆Dgr; CC不超过允许极限＆Dgr; CCL（S108）的范围内，基本空燃比AFb降低。 当燃烧变化＆Dgr; CC超过允许极限＆Dgr CCL时，基准空燃比AFbs增加（S213）。 当扭矩减小量＆Dgr; TD高于允许值Dgr; TDL时，尖峰基础空燃比AFbs减小（S215）。 当燃烧变化＆Dgr; CC高于容许限度Dgr CCL，转矩减小量Dgr; TD高于容许值Dgr; TDL时，基准空燃比AFbs增加，燃料排放时间数 EN增加（S216）。

公开(公告)号：US08201406B2

公开(公告)日：2012-06-19

申请号：US12678876

申请日：2008-10-31

申请人： Tomoyuki Kogo ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Koichiro Nakatani ,  Katsuhiro Ito ,  Masayoshi Nakagawa ,  Yoshihiro Hisataka

发明人： Tomoyuki Kogo ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Koichiro Nakatani ,  Katsuhiro Ito ,  Masayoshi Nakagawa ,  Yoshihiro Hisataka

IPC分类号： F02B33/44 ,  F02D23/00 ,  F02B33/00 ,  F01L1/34

CPC分类号： F02B37/24 ,  F02B37/004 ,  F02B37/007 ,  F02B37/18 ,  F02D13/02 ,  F02D23/02 ,  F02D41/0007 ,  F02D2041/001 ,  F02D2200/0408 ,  Y02T10/144 ,  Y02T10/18

摘要： An internal combustion engine control apparatus that prevents an abrupt change in the air amount at the time of supercharger switching. The control apparatus enters a small turbo operating state in which a small turbocharger is mainly operative, during relatively low-rotation-speed and low-load side, and enters a large turbo operating state in which a large turbocharger is mainly operative, in a relatively high-rotation-speed and high-load. In the small turbo operating state, the control apparatus can exercise charging efficiency enhancement control by using a scavenging effect. Before switching from the small turbo operating state to the large turbo operating state, the control apparatus predicts whether the large turbocharger will build up its boost pressure quickly or slowly. When slow boost pressure is predicted, the control apparatus exercises charging efficiency enhancement control to provide a low degree of charging efficiency enhancement.

摘要翻译： 一种防止在增压器切换时的空气量突然变化的内燃机控制装置。 控制装置进入小型涡轮增压器主要在较低转速和低负载侧运转的小型涡轮增压器运行状态，并进入较大的涡轮增压器运行状态，大型涡轮增压器主要运行， 高转速和高负载。 在小涡轮操作状态下，控制装置可以通过使用清扫效果来进行充电效率提高控制。 在从小涡轮操作状态切换到大涡轮操作状态之前，控制装置预测大型涡轮增压器是否将快速或缓慢地增加其增压压力。 当预测到缓慢的增压压力时，控制装置进行充电效率提高控制，以提供低充电效率的提高。

公开(公告)号：US20100229536A1

公开(公告)日：2010-09-16

申请号：US12740250

申请日：2008-11-11

申请人： Koichiro Nakatani ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Tomoyuki Kogo ,  Katsuhiro Ito

发明人： Koichiro Nakatani ,  Terutoshi Tomoda ,  Shinobu Ishiyama ,  Tomoyuki Ono ,  Tomoyuki Kogo ,  Katsuhiro Ito

IPC分类号： F02M25/06 ,  F01N3/10

CPC分类号： F02D41/0055 ,  B01D2255/91 ,  B01D2258/012 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/106 ,  F01N13/009 ,  F02D41/0052 ,  F02D41/0275 ,  F02D2200/0802 ,  F02D2250/38 ,  Y02T10/47

摘要： Disclosed is a technology that enables better reduction of NOx stored in an NOx catalyst in an exhaust gas purification system for an internal combustion engine. When NOx stored in an NOx catalyst is to be reduced, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to a target air-fuel ratio by decreasing the air-fuel ratio of the exhaust gas discharged from the internal combustion engine. In doing so, if the temperature of the NOx catalyst is not lower than a specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to the target air-fuel ratio while bringing the combustion state into low temperature combustion. On the other hand, if the temperature of the NOx catalyst is lower than the specific temperature, the air-fuel ratio of the ambient atmosphere around the NOx catalyst is decreased to the target air-fuel ratio while decreasing the quantity of EGR gas in a cylinder so that the amount of generated smoke is kept within an allowable range.

摘要翻译： 公开了一种能够更好地还原内燃机的排气净化系统中的NOx催化剂中存储的NOx的技术。 当减少NOx吸收剂中存储的NOx时，通过降低从内燃部排出的废气的空燃比，将NOx催化剂周围的环境气体的空燃比降低到目标空燃比 发动机。 在这样做时，如果NOx催化剂的温度不低于特定温度，则NOx催化剂周围环境气氛的空燃比降低到目标空燃比，同时使燃烧状态进入低温燃烧 。 另一方面，如果NOx催化剂的温度低于特定温度，则NOx催化剂周围环境气氛的空燃比降低到目标空燃比，同时减少EGR气体的量 使得产生的烟雾量保持在容许范围内。

公开(公告)号：US07104255B2

公开(公告)日：2006-09-12

申请号：US11048745

申请日：2005-02-03

申请人： Takashi Hashima ,  Terutoshi Tomoda ,  Kichiro Kato

发明人： Takashi Hashima ,  Terutoshi Tomoda ,  Kichiro Kato

IPC分类号： F02B7/04 ,  F02B15/02 ,  F02B5/00 ,  F02B17/00

CPC分类号： F02D41/3029 ,  F02D41/3094 ,  F02D2250/18

摘要： In an internal combustion engine, it is first determined whether a load factor of the internal combustion engine is a specified value or more and the engine speed of the internal combustion engine is a specified speed or less. If these conditions are satisfied, fuel is injected from both of a port injection valve and a direct injection valve, and a fuel injection timing of the direct injection valve is decided so as to inject fuel from the direct injection valve during the compression stroke of the internal combustion engine.

摘要翻译： 在内燃机中，首先确定内燃机的负载系数是否为规定值以上，内燃机的发动机转速是规定速度以下。 如果满足这些条件，则从端口喷射阀和直接喷射阀两者喷射燃料，并且决定直接喷射阀的燃料喷射正时，以便在压缩冲程期间从直接喷射阀喷射燃料 内燃机。

公开(公告)号：US06915784B2

公开(公告)日：2005-07-12

申请号：US10931994

申请日：2004-09-02

申请人： Terutoshi Tomoda ,  Hiroshi Nomura ,  Nobuyuki Shimizu

发明人： Terutoshi Tomoda ,  Hiroshi Nomura ,  Nobuyuki Shimizu

IPC分类号： F02B11/00 ,  F02B23/10 ,  F02D9/02 ,  F02D21/08 ,  F02D41/04 ,  F02D41/14 ,  F02D41/34 ,  F02D43/00 ,  F02M25/07 ,  F02M69/04 ,  F02B7/00

CPC分类号： F02M69/046 ,  F02D35/023 ,  F02D41/1498 ,  F02D41/3094 ,  F02D41/34 ,  F02D2041/389 ,  F02M69/044 ,  F02M69/045 ,  Y02T10/44

摘要： A control system controls a spark-ignition internal combustion engine. The spark-ignition internal combustion engine includes a cylinder, and a fuel injection valve arranged in the cylinder; and an intake port that communicates with the cylinder, and a fuel injection valve arranged in the intake port. Fuel is injected from both the fuel injection valves in at least a part of an operating range. If combustion fluctuations exceed a predetermined amount, in consideration of a preset proportion of fuels to be injected into the cylinder and the intake port, a proportion of fuel to be injected into the cylinder is decreased and a proportion of fuel to be injected into the intake port is increased.

公开(公告)号：US20050051135A1

公开(公告)日：2005-03-10

申请号：US10931994

申请日：2004-09-02

申请人： Terutoshi Tomoda ,  Hiroshi Nomura ,  Nobuyuki Shimizu

发明人： Terutoshi Tomoda ,  Hiroshi Nomura ,  Nobuyuki Shimizu

IPC分类号： F02B11/00 ,  F02B23/10 ,  F02D9/02 ,  F02D21/08 ,  F02D41/04 ,  F02D41/14 ,  F02D41/34 ,  F02D43/00 ,  F02M25/07 ,  F02M69/04 ,  F02B3/00 ,  F02B7/00

CPC分类号： F02M69/046 ,  F02D35/023 ,  F02D41/1498 ,  F02D41/3094 ,  F02D41/34 ,  F02D2041/389 ,  F02M69/044 ,  F02M69/045 ,  Y02T10/44

摘要： A control system controls a spark-ignition internal combustion engine. The spark-ignition internal combustion engine includes a cylinder, and a fuel injection valve arranged in the cylinder; and an intake port that communicates with the cylinder, and a fuel injection valve arranged in the intake port. Fuel is injected from both the fuel injection valves in at least a part of an operating range. If combustion fluctuations exceed a predetermined amount, in consideration of a preset proportion of fuels to be injected into the cylinder and the intake port, a proportion of fuel to be injected into the cylinder is decreased and a proportion of fuel to be injected into the intake port is increased.

摘要翻译： 控制系统控制火花点火内燃机。 火花点火式内燃机包括气缸和布置在气缸中的燃料喷射阀; 以及与气缸连通的进气口和布置在进气口中的燃料喷射阀。 燃料在工作范围的至少一部分从两个燃料喷射阀喷射。 如果燃烧波动超过预定量，考虑到要注入气缸和进气口的燃料的预设比例，注入气缸的燃料的比例减少，并且要喷射到进气口中的燃料的比例 港口增加。