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公开(公告)号：US09010097B2
公开(公告)日：2015-04-21
申请号：US13262001
申请日：2011-03-17
申请人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto , Masahide Iida
发明人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto , Masahide Iida
IPC分类号： F01N3/10 , F01N3/00 , F01N9/00 , B01D53/94 , F02D41/40 , F01N3/20 , F01N3/023 , F02D41/02 , F01N13/00 , F02B37/00
CPC分类号： B01D53/9431 , F01N3/0231 , F01N3/206 , F01N3/208 , F01N13/009 , F01N2610/02 , F02B37/00 , F02D41/0235 , F02D41/405 , Y02T10/44
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (16), an exhaust purification catalyst (13), a particulate filter (14), and an NO2 reduction catalyst (15) are arranged. At the time of engine operation, the amplitude of change of the concentration of hydrocarbons which flow into the exhaust purification catalyst (13) is made to become within a predetermined range of amplitude by control of the injection amount of hydrocarbons from the hydrocarbon feed valve (16). When the NO2 which is produced at the particulate filter (14) should be reduced to NO, the injection amount of hydrocarbons is increased whereby the pass through amount of hydrocarbons which pass straight through the exhaust purification catalyst (13) is increased.
摘要翻译： 在内燃机中，配置有发动机排气通路，烃供给阀（16），排气净化催化剂（13），微粒过滤器（14）和NO 2还原催化剂（15）。 在发动机运转时，流入排气净化催化剂（13）的碳氢化合物浓度的变化幅度通过控制来自烃供给阀的烃的喷射量而变为预定的振幅范围（ 16）。 当在颗粒过滤器（14）产生的NO 2应该被还原为NO时，烃的注入量增加，从而通过直接通过排气净化催化剂（13）的烃的通过量增加。
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公开(公告)号：US20120275963A1
公开(公告)日：2012-11-01
申请号：US13202692
申请日：2010-08-30
申请人： Kazuhiro Umemoto , Kohei Yoshida , Mikio Inoue , Yuki Bisaiji
发明人： Kazuhiro Umemoto , Kohei Yoshida , Mikio Inoue , Yuki Bisaiji
IPC分类号： B01D53/94
CPC分类号： B01D53/9454 , B01D53/9409 , B01D53/9422 , B01D53/9495 , B01D2251/208 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/91 , B01D2258/012 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/0871 , F01N9/007 , F01N2240/30 , F01N2510/06 , F01N2900/1402 , F01N2900/1614 , F02D41/0275
摘要： An internal combustion engine in an engine exhaust passage of which a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. If the hydrocarbon feed valve (15) feeds hydrocarbons by a period of within 5 seconds, a reducing intermediate is produced inside the exhaust purification catalyst (13). This reducing intermediate is used for NOX purification processing. At the time of engine operation, the demanded produced amount of the reducing intermediate required for reducing the NOx is calculated. The amount of production of the reducing intermediate is made to become this demanded produced amount by control of the feed amount and feed period of hydrocarbons.
摘要翻译： 发动机排气通道内设有内燃机，其内设有烃供给阀（15）和排气净化催化剂（13）。 如果烃进料阀（15）在5秒钟内进料烃，则在排气净化催化剂（13）内产生还原中间体。 该还原中间体用于NOX净化处理。 在发动机运转时，计算需要的减少NOx还原中间体的产生量。 通过控制烃的进料量和进料周期，使还原中间体的生产量成为该需求量。
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公开(公告)号：US09108154B2
公开(公告)日：2015-08-18
申请号：US13264594
申请日：2010-12-20
申请人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
发明人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
CPC分类号： B01D53/9431 , B01D53/9495 , F01N3/0814 , F01N3/0871 , F01N3/208 , F01N13/009 , F01N2610/03 , F01N2900/0422 , F01N2900/0601 , F01N2900/08 , F01N2900/1402 , F01N2900/1602 , F01N2900/1808 , F01N2900/1812 , Y02T10/24
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. At the time of engine operation, the amplitude of change of the concentration of hydrocarbons which flow into the exhaust purification catalyst (13) is made to become within a predetermined range of amplitude by control of at least one of the injection time and injection pressure of hydrocarbons from the hydrocarbon feed valve (15). In this case, when only the injection time of hydrocarbons is controlled, the injection time of hydrocarbons under the same engine operating state is made longer the higher the temperature of the exhaust purification catalyst (13).
摘要翻译： 在内燃机中，配置有发动机排气通路内部的烃供给阀（15）和排气净化催化剂（13）。 在发动机运转时，流入排气净化催化剂（13）的碳氢化合物浓度的变化幅度通过控制喷射时间和喷射压力中的至少一个而变为预定的振幅范围 来自烃进料阀（15）的烃。 在这种情况下，当仅控制烃的喷射时间时，使排气净化催化剂（13）的温度越高，在相同的发动机运转状态下的烃的喷射时间越长。
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公开(公告)号：US20140030160A1
公开(公告)日：2014-01-30
申请号：US13375674
申请日：2011-04-15
申请人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
发明人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
IPC分类号： B01D53/94
CPC分类号： B01D53/9431 , F01N3/035 , F01N3/0842 , F01N3/0871 , F01N3/206 , F01N2240/30 , F01N2510/06 , F01N2570/14 , F01N2610/03 , F01N2900/1602 , F01N2900/1614 , Y02A50/2344
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. At the time of engine operation, the amplitude of change of the concentration of hydrocarbons which flow into the exhaust purification catalyst (13) is made to become within a predetermined range of amplitude by control of the injection amount of hydrocarbons from the hydrocarbon feed valve (15), the concentration of hydrocarbons flowing into the exhaust purification catalyst (13) is made to vibrate by a predetermined range of period by control of the injection period of hydrocarbons from the hydrocarbon feed valve (15), and thereby the NOx contained in the exhaust gas and the NOx stored in the exhaust purification catalyst (13) are reduced.
摘要翻译： 在内燃机中，配置有发动机排气通路内部的烃供给阀（15）和排气净化催化剂（13）。 在发动机运转时，流入排气净化催化剂（13）的碳氢化合物浓度的变化幅度通过控制来自碳氢化合物供给阀的烃的喷射量而变为预定的振幅范围（ 15），通过控制来自烃供给阀（15）的烃的喷射时间，使流入排气净化催化剂（13）的碳氢化合物的浓度振动规定的期间，由此，含有 废气和存储在排气净化催化剂（13）中的NOx减少。
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公开(公告)号：US09051860B2
公开(公告)日：2015-06-09
申请号：US13264649
申请日：2010-05-20
申请人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
发明人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
IPC分类号： F01N3/10 , F01N3/00 , F01N3/08 , F01N3/20 , F01N9/00 , F01N13/00 , B01J37/02 , B01J23/40 , B01J23/58 , B01J23/63 , B01D53/94
CPC分类号： F01N3/0814 , B01D53/9418 , B01D53/9422 , B01D53/9477 , B01D2251/2067 , B01D2251/208 , B01D2257/404 , B01J23/40 , B01J23/58 , B01J23/63 , B01J37/0244 , F01N3/0842 , F01N3/0871 , F01N3/2066 , F01N3/208 , F01N9/00 , F01N13/009 , F01N2240/30 , F01N2610/03 , F01N2900/0412 , F01N2900/0422 , Y02T10/24 , Y02T10/47
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (16), an exhaust purification catalyst (13), an aqueous urea solution feed valve (17), and an NOx selective reduction catalyst (15) are arranged in that order. A first NOx purification method which makes the concentration of hydrocarbons flowing into the exhaust purification catalyst (13) vibrate by within predetermined ranges of amplitude and period to reduce the NOx contained in exhaust gas in the exhaust purification catalyst (13) is normally used. A second NOx purification method which uses the fed aqueous urea solution to reduce the NOx in the NOx selective reduction catalyst (15) is used when the fed hydrocarbons exceed the allowable value.
摘要翻译： 在内燃机中，在发动机排气通路内部设置有碳氢化合物供给阀（16），排气净化催化剂（13），尿素水供给阀（17）和NOx选择还原催化剂（15） 以该顺序。 通常使用使排出净化催化剂（13）中的烃浓度在振幅和周期的预定范围内振动以降低排气净化催化剂（13）中的废气中所含的NOx的第一NOx净化方法。 当供给的碳氢化合物超过允许值时，使用使用所供给的尿素水溶液来减少NOx选择还原催化剂（15）中的NOx的第二NOx净化方法。
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公开(公告)号：US08679410B2
公开(公告)日：2014-03-25
申请号：US13202692
申请日：2010-08-30
申请人： Kazuhiro Umemoto , Kohei Yoshida , Mikio Inoue , Yuki Bisaiji
发明人： Kazuhiro Umemoto , Kohei Yoshida , Mikio Inoue , Yuki Bisaiji
CPC分类号： B01D53/9454 , B01D53/9409 , B01D53/9422 , B01D53/9495 , B01D2251/208 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/91 , B01D2258/012 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/0871 , F01N9/007 , F01N2240/30 , F01N2510/06 , F01N2900/1402 , F01N2900/1614 , F02D41/0275
摘要： An internal combustion engine in an engine exhaust passage of which a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. If the hydrocarbon feed valve (15) feeds hydrocarbons by a period of within 5 seconds, a reducing intermediate is produced inside the exhaust purification catalyst (13). This reducing intermediate is used for NOX purification processing. At the time of engine operation, the demanded produced amount of the reducing intermediate required for reducing the NOx is calculated. The amount of production of the reducing intermediate is made to become this demanded produced amount by control of the feed amount and feed period of hydrocarbons.
摘要翻译： 发动机排气通道内设有内燃机，其内设有烃供给阀（15）和排气净化催化剂（13）。 如果烃进料阀（15）在5秒钟内进料烃，则在排气净化催化剂（13）内产生还原中间体。 该还原中间体用于NOX净化处理。 在发动机运转时，计算需要的减少NOx还原中间体的产生量。 通过控制烃的进料量和进料周期，使还原中间体的生产量成为该需求量。
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公开(公告)号：US20130074475A1
公开(公告)日：2013-03-28
申请号：US13262865
申请日：2010-05-20
申请人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
发明人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
IPC分类号： F01N3/20
CPC分类号： F01N3/2073 , B01D53/9418 , B01D53/9422 , B01D53/9477 , B01D2251/2067 , B01D2251/208 , B01D2257/404 , F01N3/0814 , F01N3/0842 , F01N3/2066 , F01N3/208 , F01N13/009 , F01N2240/30 , F01N2510/06 , F01N2560/025 , F01N2610/02 , F01N2610/03 , F01N2900/08 , F01N2900/1402 , Y02T10/24
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (16), an exhaust purification catalyst (13), an aqueous urea solution feed valve (17), and an NOx selective reduction catalyst (15) are arranged in that order. A first NOx purification method which makes the concentration of hydrocarbons flowing into the exhaust purification catalyst (13) vibrate by within predetermined ranges of amplitude and period to reduce the NOx, which is contained in exhaust gas in the exhaust purification catalyst (13) and a second NOx purification method which uses the fed aqueous urea solution to reduce the NOx in the NOx selective reduction catalyst (15) are selectively used.
摘要翻译： 在内燃机中，在发动机排气通路内部设置有碳氢化合物供给阀（16），排气净化催化剂（13），尿素水供给阀（17）和NOx选择还原催化剂（15） 以该顺序。 使流入排气净化催化剂（13）的烃浓度在振幅和周期的预定范围内振动的第一NOx净化方法，以减少排气净化催化剂（13）中的废气中所含的NOx和 选择性地使用使用供给的尿素水溶液来还原NOx选择还原催化剂（15）中的NOx的第二NOx净化方法。
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公开(公告)号：US08820054B2
公开(公告)日：2014-09-02
申请号：US13499211
申请日：2011-07-14
申请人： Yuki Bisaiji , Kohei Yoshida , Mikio Inoue , Kazuhiro Umemoto
发明人： Yuki Bisaiji , Kohei Yoshida , Mikio Inoue , Kazuhiro Umemoto
CPC分类号： F01N3/0871 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/106 , F01N3/2073 , F01N11/007 , F01N13/009 , F01N2240/30 , F01N2550/05 , F01N2560/025 , F01N2560/14 , F01N2610/03 , F01N2900/0418 , F01N2900/1402 , Y02C20/10 , Y02T10/47
摘要： In an internal combustion engine, inside of an engine exhaust passage, an upstream side air-fuel ratio sensor (23), a hydrocarbon feed valve (15), an exhaust purification catalyst (13), and a downstream side air-fuel ratio sensor (24) are arranged in this order from the upstream. At the time of engine operation, the injection amount of hydrocarbons from the hydrocarbon feed valve (15) is controlled based on the air-fuel ratio detected by the upstream side air-fuel ratio sensor (23) and the downstream side air-fuel ratio sensor (24) so that the amplitude of change of the concentration of hydrocarbons which flow into the exhaust purification catalyst (13) becomes within a predetermined range of amplitude.
摘要翻译： 在内燃机中，发动机排气通路内侧，上游侧空燃比传感器（23），烃供给阀（15），排气净化催化剂（13）以及下游侧空燃比传感器 （24）以上述顺序排列。 在发动机运转时，基于由上游侧空燃比传感器（23）检测出的空燃比和下游侧空燃比控制来自烃供给阀（15）的烃的喷射量 传感器（24），使得流入排气净化催化剂（13）的烃浓度的变化幅度变得在预定的幅度范围内。
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公开(公告)号：US09021788B2
公开(公告)日：2015-05-05
申请号：US13375674
申请日：2011-04-15
申请人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
发明人： Mikio Inoue , Kohei Yoshida , Yuki Bisaiji , Kazuhiro Umemoto
CPC分类号： B01D53/9431 , F01N3/035 , F01N3/0842 , F01N3/0871 , F01N3/206 , F01N2240/30 , F01N2510/06 , F01N2570/14 , F01N2610/03 , F01N2900/1602 , F01N2900/1614 , Y02A50/2344
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. At the time of engine operation, the amplitude of change of the concentration of hydrocarbons which flow into the exhaust purification catalyst (13) is made to become within a predetermined range of amplitude by control of the injection amount of hydrocarbons from the hydrocarbon feed valve (15), the concentration of hydrocarbons flowing into the exhaust purification catalyst (13) is made to vibrate by a predetermined range of period by control of the injection period of hydrocarbons from the hydrocarbon feed valve (15), and thereby the NOx contained in the exhaust gas and the NOx stored in the exhaust purification catalyst (13) are reduced.
摘要翻译： 在内燃机中，配置有发动机排气通路内部的烃供给阀（15）和排气净化催化剂（13）。 在发动机运转时，流入排气净化催化剂（13）的碳氢化合物浓度的变化幅度通过控制来自碳氢化合物供给阀的烃的喷射量而变为预定的振幅范围（ 15），通过控制来自烃供给阀（15）的烃的喷射时间，使流入排气净化催化剂（13）的碳氢化合物的浓度振动规定的期间，由此，含有 废气和存储在排气净化催化剂（13）中的NOx减少。
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公开(公告)号：US09010090B2
公开(公告)日：2015-04-21
申请号：US13263272
申请日：2010-10-18
申请人： Yuki Bisaiji , Kohei Yoshida , Mikio Inoue , Kazuhiro Umemoto
发明人： Yuki Bisaiji , Kohei Yoshida , Mikio Inoue , Kazuhiro Umemoto
CPC分类号： B01D53/9495 , F01N3/035 , F01N3/0814 , F01N3/0842 , F01N3/0871 , F01N3/206 , F01N3/2073 , F01N2240/30 , F01N2290/10 , F01N2510/06 , F01N2610/03 , F01N2900/0422 , F01N2900/1402 , F01N2900/1614 , F02D41/0275 , F02D41/1408 , F02D41/405 , Y02T10/44
摘要： In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. The concentration of hydrocarbons which flow into the exhaust purification catalyst (13) is made to vibrate within 200 ppm or more predetermined amplitude and within a 5 second or more predetermined period. At this time, when a predetermined amount or more of NOx is stored in the exhaust purification catalyst (13) or can be stored, the concentration of hydrocarbons flowing into the exhaust purification catalyst (13) is temporarily increased to desorb NOx which is stored at the exhaust purification catalyst (13).
摘要翻译： 在内燃机中，配置有发动机排气通路内部的烃供给阀（15）和排气净化催化剂（13）。 流入排气净化催化剂（13）的碳氢化合物的浓度在200ppm以上的规定振幅以及5秒以上的规定期间内振动。 此时，当排气净化催化剂（13）中存储了规定量以上的NOx或能够被储存时，流入排气净化催化剂（13）的烃的浓度暂时升高，从而将存储在 排气净化催化剂（13）。
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