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51. 发明专利

JP3876705B2 Exhaust gas purification system of a diesel engine 有权
公开(公告)号：JP3876705B2
公开(公告)日：2007-02-07
申请号：JP2001380294
申请日：2001-12-13
申请人：いすゞ自動車株式会社
发明人：利貴南
IPC分类号： F01N3/18 , B01D46/44 , B01D53/94 , F01N3/02 , F01N3/023 , F01N3/025 , F01N3/029 , F01N3/031 , F01N3/035 , F01N3/20 , F01N3/24 , F01N3/28 , F01N13/02 , F02B37/00 , F02D9/02 , F02D9/04 , F02D21/08 , F02D41/06 , F02D43/00 , F02D45/00 , F02M25/07
CPC分类号： F01N3/208 , B01D53/9431 , B01D53/9495 , F01N3/0231 , F01N3/0235 , F01N3/035 , F01N3/2053 , F01N13/009 , F01N13/0093 , F01N2240/36 , F01N2250/02 , F01N2260/14 , F01N2340/06 , F01N2410/00 , F01N2560/06 , F01N2570/10 , F01N2570/14 , F01N2610/02 , F01N2610/146 , F02B37/00 , F02D9/04 , F02M26/05 , F02M26/10 , F02M26/15 , Y02A50/2344 , Y02T10/24
摘要： In addition to the first exhaust emission purification device (12) arranged in an exhaust passage of the engine, having the first continuously regenerating type DPF (12A) and the first SCR catalyst (12B), in the bypass exhaust passage (101) there is provided the second exhaust emission purification device (13) having the second continuously regenerating type DPF (13A) and the second SCR catalyst (13B) to constitute the exhaust emission purification system for the diesel engine. In addition, when the exhaust gas temperature is within the low-temperature region lower than the predetermined temperature region, the exhaust gas temperature is raised, and after the exhaust gas is caused to pass through the second exhaust emission purification device (13), control is made so as to pass through the first exhaust emission purification device (12). Thereby, even in an engine operating state at low exhaust gas temperature such as during idling and during an operation at low load, not only PM but also Nox can efficiently be cleaned up, and it is possible to exhibit excellent exhaust gas cleanup performance in the wide engine operating region.

52. 发明专利

JP2006336547A Egr device 审中-公开
标题翻译： EGR装置
公开(公告)号：JP2006336547A
公开(公告)日：2006-12-14
申请号：JP2005162414
申请日：2005-06-02
申请人： Hino Motors Ltd , 日野自動車株式会社
发明人： FUNAHASHI HIROSHI
IPC分类号： F02M25/07 , F02D9/04 , F02D21/08 , F02D23/00
CPC分类号： F01N3/0235 , F01N13/141 , F02D41/0065 , F02D41/0072 , F02D41/10 , F02M26/05 , F02M26/06 , F02M26/15 , F02M26/47 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To materialize high EGR rate without causing great deterioration of fuel economy. SOLUTION: This device is provided with a low pressure loop 14 drawing part of exhaust gas 9 out from an exhaust passage in a downstream of a turbine 2b and re-circulating the same to an intake pipe 5 in an upstream of a compressor 2a, and a high pressure loop 15 drawing part of exhaust gas 9 out from an exhaust manifold 10 and re-circulating the same to a part in a neighborhood of an inlet of an intake manifold 10, EGR valves 19, 21 provided in the low pressure loop 14 and the high pressure loop 15 and adjusting recirculation quantity of exhaust gas 9, and a control device 23 controlling each EGR valves 19, 21 performing base exhaust gas recirculation at EGR rate which is in a level not generating black smoke at a time of acceleration by the low pressure loop 14 and performing additional exhaust gas recirculation to compensate insufficient EGR rate part by the high pressure loop and coping with avoidance of black smoke at a time of acceleration mainly by immediately reducing recirculation quantity of exhaust gas 9 in the high pressure loop 15 side. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：实现高EGR率而不会导致燃料经济性的极大恶化。解决方案：该装置设置有低压回路14，其从涡轮2b的下游的排气通道排出废气9的一部分，并将其再次循环到压缩机的上游的进气管5 以及高压回路15，将排气9的一部分从排气歧管10排出，并将其再循环到进气歧管10的入口附近的一部分，设置在低压侧的EGR阀19,21 压力回路14和高压回路15，并调节废气9的再循环量;以及控制装置23，控制每个EGR阀19,21在EGR率下进行基本废气再循环，EGR率一度不产生黑烟通过低压回路14进行加速，并进行附加的废气再循环以补偿高压回路的不足的EGR率部分，并且在加速时应对避免黑烟主要是通过立即减少再循环高压回路15侧排气量9。版权所有（C）2007，JPO＆INPIT

53. 发明专利

JP2006194149A Exhaust emission control system of internal combustion engine 有权
标题翻译：内燃机排气排放控制系统
公开(公告)号：JP2006194149A
公开(公告)日：2006-07-27
申请号：JP2005006487
申请日：2005-01-13
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： OGO TOMOYOSHI , HASHIZUME TAKESHI
IPC分类号： F01N3/02 , B01D46/42 , B01D53/94
CPC分类号： F02D9/04 , B01D2251/20 , B01D2258/012 , F01N3/0235 , F01N3/0253 , F01N3/106 , F01N9/002 , F01N11/002 , F01N11/007 , F01N2260/14 , F01N2390/00 , F01N2570/16 , F01N2610/03 , F01N2900/08 , F01N2900/1406 , F01N2900/1602 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To provide technology for suppressing excessive rise of temperature of a filter during filter reproduction control in an exhaust emission control system of an internal combustion engine provided with a filter provided in an exhaust passage of the internal combustion engine to catch PM in exhaust gas. SOLUTION: When amount of suction air in the internal combustion engine is reduced to such an extent that excessive rise of temperature of the filter may occur during filter reproduction control, oxygen concentration in ambient atmosphere of the filter is reduced to target oxygen concentration. When amount of suction air when reducing is larger than some extent, oxygen concentration in the ambient atmosphere of the filter is mainly reduced by supplying reducing agent to catalyst provided on the upstream side more than the filter or carried by the filter (S106). On the other hand, when amount of suction air when reducing is below some extent, oxygen concentration in the ambient atmosphere of the filter is mainly reduced by restricting exhaust gas by an exhaust throttle valve (S104). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种技术，用于在内燃机的排气排放控制系统中的过滤器再现控制期间抑制过滤器的温度过度上升，该内燃机设置有设置在内燃机的排气通道中的过滤器，在废气中吸收PM。解决方案：当内燃机中的吸入空气量减少到过滤器再现控制期间可能发生过滤器温度过高的程度时，过滤器的环境气氛中的氧气浓度降低到目标氧气浓度。当减少量的吸入空气量大于某种程度时，通过向除了过滤器的上游侧设置的催化剂供给还原剂，或者由过滤器进行携带，主要减少过滤器的环境气氛中的氧浓度（S106）。另一方面，当减少的吸入空气量在一定程度以下时，过滤器的环境气氛中的氧浓度主要通过由排气节流阀限制排气来降低（S104）。版权所有（C）2006，JPO＆NCIPI

54. 发明专利

JP3714252B2 Exhaust gas purification system for an internal combustion engine 有权
公开(公告)号：JP3714252B2
公开(公告)日：2005-11-09
申请号：JP2001570970
申请日：2001-03-27
申请人：トヨタ自動車株式会社
发明人：好一郎中谷 , 和浩伊藤 , 信也広田 , 光壱木村 , 孝充浅沼 , 俊明田中
IPC分类号： F01N3/023 , F01N3/035 , F01N3/08 , F02B37/00 , F02M25/07 , F01N3/02 , F02D9/02 , F02D9/04 , F02D21/08
CPC分类号： F01N3/0233 , F01N3/023 , F01N3/0235 , F01N3/035 , F01N3/0821 , F01N3/0842 , F01N2260/14 , F01N2290/00 , F01N2330/06 , F01N2410/08 , F01N2510/06 , F01N2570/16 , F02B37/00 , F02M26/05 , F02M26/28

55. 发明专利

JP2005282533A Exhaust gas aftertreatment device for diesel engine 审中-公开
标题翻译：用于柴油发动机的排气装置
公开(公告)号：JP2005282533A
公开(公告)日：2005-10-13
申请号：JP2004100850
申请日：2004-03-30
申请人： Isuzu Motors Ltd , いすゞ自動車株式会社
发明人： ARAE YOSHITAKA , HASHIMOTO HIROBUMI , NISHI TAKUO
IPC分类号： F02D9/04 , B01D46/42 , B01D53/94 , F01N3/02 , F01N3/023 , F01N3/025 , F01N3/029 , F01N3/035 , F02D41/02 , F02D41/08 , F02D41/16 , F02D41/38 , F02D41/40 , F02D45/00
CPC分类号： F02D41/029 , F01N3/0235 , F02D9/04 , F02D41/08 , F02D41/405
摘要： PROBLEM TO BE SOLVED: To reduce noise when an exhaust throttle valve is returned to full open after closing the exhaust throttle valve 9 and oxidizing and removing particulate matter accumulating on a diesel particulate filter 81 and regenerating the same in a diesel engine having the exhaust throttle valve 9 installed. SOLUTION: An exhaust system of a diesel engine is equipped with the diesel particulate filter 81 and a catalyst 82 in an upstream and the exhaust throttle valve 9 is arranged in a downstream thereof. If a diesel engine is operated under a condition that opening of the exhaust throttle valve 9 is small and the diesel particulate filter 81 is regenerated, opening of the exhaust throttle valve 9 is returned to a full open position after the diesel engine is operated at dropped rotation speed. Pressure of the exhaust system is reduced by dropping rotation speed of the engine. Consequently, noise generated accompanying release of the exhaust throttle valve 9 is greatly reduced. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了减少排气节流阀在关闭排气节流阀9之后返回到全开状态并且在积聚在柴油机微粒过滤器81上的氧化和除去颗粒物质并在具有排气节流阀9安装。解决方案：柴油发动机的排气系统在上游配备有柴油机微粒过滤器81和催化剂82，排气节流阀9设置在其下游。如果在排气节流阀9的打开较小并且柴油机微粒过滤器81再生的条件下操作柴油发动机，则在柴油发动机下降后排气节流阀9的打开返回到完全打开位置旋转速度。通过降低发动机的转速来减少排气系统的压力。因此，随着排气节流阀9的释放而产生的噪音大大降低。版权所有（C）2006，JPO＆NCIPI

56. 发明专利

JP2004162675A Exhaust emission control device for diesel engine 有权
公开(公告)号：JP2004162675A
公开(公告)日：2004-06-10
申请号：JP2002332382
申请日：2002-11-15
申请人： Isuzu Motors Ltd , いすゞ自動車株式会社
发明人： MINAMI TOSHITAKA
IPC分类号： F02D9/02 , F01N3/02 , F01N3/023 , F01N3/025 , F01N3/029 , F01N3/031 , F01N3/20 , F01N3/36 , F01N13/02 , F02B37/00 , F02D9/04 , F02D13/02 , F02D41/02 , F02D41/04 , F02D41/38 , F02D41/40 , F02D45/00 , F02M25/07
CPC分类号： F01N13/0097 , F01N3/0231 , F01N3/0235 , F01N3/031 , F01N3/2053 , F01N13/009 , F01N2250/02 , F01N2340/06 , F01N2410/02 , F01N2430/10 , F02B37/00 , F02D9/04 , F02D13/02 , F02D41/024 , F02D41/405 , F02D2013/0296 , F02D2200/0414 , F02D2200/501 , F02M26/01 , F02M26/02 , F02M26/10 , F02M26/53 , Y02A50/2322 , Y02T10/18 , Y02T10/26 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To continuously burn PM collected by a DPF in all the driving ranges of an on-vehicle diesel engine even under very cold environments. SOLUTION: This exhaust emission control device for a diesel engine is provided with a first continuous regeneration type DPF in an engine exhaust passage, a second continuous regeneration type DPF in a bypass passage, a change-over valve to change exhaust gas passages, an exhaust gas temperature raising means, an exhaust temperature range detecting means, and a control means to control the exhaust gas temperature raising means and the change-over valve. The control means controls the change-over valve to actuate the exhaust gas temperature rising means, conduct post-injection, and have exhaust gas pass the second continuous regeneration DPF in a case where an engine exhaust temperature range detected by the exhaust temperature range detecting means is a very low temperature range lower than a prescribed temperature range. COPYRIGHT: (C)2004,JPO

57. 发明专利

JP6192576B2 エンジン装置有权
公开(公告)号：JP6192576B2
公开(公告)日：2017-09-06
申请号：JP2014059101
申请日：2014-03-20
申请人：ヤンマー株式会社
发明人：光田匡孝
IPC分类号： B01D53/86 , B60K13/04 , F02D9/04 , F02D9/08
CPC分类号： F01N9/002 , B60K13/04 , F01N13/08 , F01N13/1805 , F01N13/185 , F01N3/021 , F01N3/0235 , F01N3/103 , B60Y2200/15 , B60Y2200/221 , B60Y2200/415 , F01N13/001 , F01N13/0097 , F01N13/10 , F01N2240/36 , F01N2590/08 , F01N2590/10 , F01N3/0231 , Y02T10/47

59. 发明专利

JP5724223B2 DPFシステム有权
标题翻译： DPF系统
公开(公告)号：JP5724223B2
公开(公告)日：2015-05-27
申请号：JP2010134513
申请日：2010-06-11
申请人：いすゞ自動車株式会社
发明人：池田卓史 , 越智直文 , 佐藤等
IPC分类号： F01N3/035 , F01N3/18 , B01D53/94 , F01N3/023
CPC分类号： B01D53/9495 , B01D46/42 , B01D46/448 , B01D53/944 , F01N3/0231 , F01N3/0235 , F01N3/0253 , F01N3/035 , F01N3/106 , F01N9/002 , F02D41/029 , F02D41/1446 , F02D41/222 , B01D2255/915 , B01D2279/30 , B01D53/9477 , F01N2560/06 , F01N2560/14 , Y02T10/47

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