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公开(公告)号:US20140216016A1
公开(公告)日:2014-08-07
申请号:US14127355
申请日:2012-06-29
申请人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
发明人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
IPC分类号: F01N3/023
CPC分类号: F01N3/023 , B01D41/00 , B01D46/00 , B01D46/006 , B01D46/0061 , B01D46/2418 , B01D46/32 , B01D53/64 , B01D53/82 , B01D2257/302 , B01D2259/40083 , B01D2279/30 , F01N3/00 , F01N3/021 , F01N3/022 , F01N3/0222 , F01N3/0232 , F01N3/035 , F01N3/085
摘要: A wall flow type particulate filter is arranged inside the exhaust passage of an internal combustion engine where combustion is performed under an excess of oxygen. The particulate filter carries a solid acid. The solid acid has an acid strength which is higher than the acid strength of sulfurous acid and lower than the acid strength of sulfuric acid. To remove the ash from the particulate filter, ash atomization processing for rendering the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature is temporarily performed.
摘要翻译: 壁流式微粒过滤器布置在内燃机的排气通道内部,其中在过量的氧气下进行燃烧。 颗粒过滤器携带固体酸。 固体酸的酸强度高于亚硫酸的酸强度,低于硫酸的酸强度。 为了从颗粒过滤器除去灰分,临时进行用于使微粒过滤器的状态为灰尘雾化处理的状态,其中流入颗粒过滤器的废气的浓度降低,并且微粒过滤器的温度升高。
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公开(公告)号:US20130315791A1
公开(公告)日:2013-11-28
申请号:US13389486
申请日:2011-02-14
申请人: Yoshihisa Tsukamoto , Hiromasa Nishioka , Katsuhiko Oshikawa , Hiroshi Otsuki , Junichi Matsuo , Shigeki Nakayama
发明人: Yoshihisa Tsukamoto , Hiromasa Nishioka , Katsuhiko Oshikawa , Hiroshi Otsuki , Junichi Matsuo , Shigeki Nakayama
IPC分类号: B01D53/94
CPC分类号: B01D53/9431 , B01D53/9418 , B01D2255/104 , B01D2255/2092 , B01D2255/91 , B01D2255/912 , B01D2257/404 , B01D2258/012 , F01N3/0814 , F01N3/0842 , F01N3/2013 , F01N3/2066 , F01N9/00 , F01N2240/14 , F01N2370/02 , F01N2900/1602 , Y02C20/10 , Y02T10/24 , Y02T10/26 , Y02T10/47
摘要: An exhaust purification system of an internal combustion engine of the present invention comprises a silver-alumina-based catalyst device arranged in the engine exhaust system. When a temperature of the silver-alumina-based catalyst device becomes a second set temperature T2 lower than a first set temperature T1 at which the silver-alumina-based catalyst device releases NO2, and releases NO, the silver-alumina-based catalyst device is heated such that a temperature elevation rate thereof is increased to make the temperature T of the silver-alumina-based catalyst device be a third set temperature T3 between the first set temperature T1 and the second set temperature T2.
摘要翻译: 本发明的内燃机的排气净化系统包括布置在发动机排气系统中的银 - 氧化铝基催化剂装置。 当银 - 氧化铝基催化剂装置的温度变为低于银 - 氧化铝基催化剂装置释放NO 2的第一设定温度T1并且释放NO的第二设定温度T2时,银 - 氧化铝基催化剂装置 被加热使得其升温速率增加,使得银 - 氧化铝基催化剂装置的温度T在第一设定温度T1和第二设定温度T2之间的第三设定温度T3。
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公开(公告)号:US08955313B2
公开(公告)日:2015-02-17
申请号:US13379467
申请日:2011-02-18
申请人: Junichi Matsuo , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Hiroshi Otsuki , Shigeki Nakayama
发明人: Junichi Matsuo , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Hiroshi Otsuki , Shigeki Nakayama
CPC分类号: F01N3/0814 , B01D53/9418 , B01D53/945 , B01D53/9495 , B01D2255/104 , B01D2255/2092 , B01D2255/91 , B01J23/50 , B01J35/0006 , B01J37/0242 , B01J37/0244 , Y02T10/22 , Y02T10/24
摘要: An exhaust purification system of an internal combustion engine, which includes: a silver-alumina-based catalyst, which is arranged in an engine exhaust system and, when an air-fuel ratio of exhaust gas is leaner than a stoichiometric air-fuel ratio, releases adsorbed NO2 at a first set temperature and adsorbed NO at a second set temperature, a secondary air feed passage configured to suppress a temperature rise of the silver-alumina-based catalyst; and an electronic control unit, that: controls the air flow through the secondary air feed passage to: when the silver-alumina-based catalyst has reached a third set temperature, suppress a temperature rise of the silver-alumina-based catalyst to maintain the silver-alumina-based catalyst near the third set temperature, and then lift the suppression of the temperature rise of the silver-alumina-based catalyst so that at least part of the NO adsorbed at the silver-alumina-based catalyst, is oxidized to NO2 to be adsorbed at the silver-alumina-based catalyst.
摘要翻译: 一种内燃机的排气净化系统,其特征在于,包括:发动机排气系统中的银 - 氧化铝系催化剂,当排气的空燃比比化学计量空燃比稀的时, 在第一设定温度下释放吸附的NO 2并在第二设定温度下吸附NO;二次空气供给通道,其构造成抑制银 - 氧化铝基催化剂的升温; 以及电子控制单元,其控制通过二次空气供给通道的空气流:当所述银 - 氧化铝基催化剂达到第三设定温度时,抑制所述银 - 氧化铝基催化剂的温度上升以维持 银 - 氧化铝基催化剂接近第三设定温度,然后提升抑制银 - 氧化铝基催化剂的升温,使得在银 - 氧化铝基催化剂上吸附的至少一部分NO被氧化成 NO 2被吸附在银 - 氧化铝基催化剂上。
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公开(公告)号:US20130052087A1
公开(公告)日:2013-02-28
申请号:US13581766
申请日:2010-05-12
IPC分类号: F01N3/20
CPC分类号: B01D53/9418 , B01D53/925 , B01D53/9477 , B01D53/9495 , B01D2251/2067 , B01D2251/208 , B01D2255/1021 , B01D2255/1025 , B01D2255/104 , B01D2255/2063 , B01D2255/2092 , B01D2255/91 , B01D2258/012 , B01J23/50 , B01J23/66 , B01J37/0242 , F01N3/0814 , F01N3/0842 , F01N3/0871 , F01N3/101 , F01N3/208 , F01N13/009 , F01N13/0097 , F01N13/16 , F01N2430/085 , F01N2510/0684 , F01N2570/14 , F01N2610/02 , F01N2610/03 , F01N2610/146 , F01N2900/0601 , F01N2900/1602 , F01N2900/1614 , F01N2900/1622 , Y02A50/2344 , Y02T10/22 , Y02T10/24
摘要: In an exhaust purification system of an internal combustion engine of the present invention, a silver-alumina-based catalyst device and NOX reducing catalyst device are arranged in the engine exhaust system. When a temperature of the silver-alumina-based catalyst device becomes a first set temperature TI on the high temperature side, NOX released from the silver-alumina-based catalyst device is reduced by reducing material to be purified in the NOX reducing catalyst device. When the temperature of the silver-alumina-based catalyst device becomes a second set temperature on the low temperature side, NOX released from the silver-alumina-based catalyst device is reduced by reducing material to be purified in the NOX reducing catalyst device.
摘要翻译: 在本发明的内燃机的排气净化系统中,在发动机排气系统中配置有银 - 氧化铝系催化剂装置和NO x还原催化剂装置。 当银 - 氧化铝基催化剂装置的温度在高温侧成为第一设定温度TI时,通过在NO x还原催化剂装置中还原待净化的材料来减少从银 - 氧化铝基催化剂装置释放的NOX。 当银 - 氧化铝基催化剂装置的温度在低温侧成为第二设定温度时,通过在NO x还原催化剂装置中还原待净化的材料来减少从银 - 氧化铝基催化剂装置释放的NOX。
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公开(公告)号:US09080480B2
公开(公告)日:2015-07-14
申请号:US14127355
申请日:2012-06-29
申请人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
发明人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
IPC分类号: B01D50/00 , B01D24/00 , B01D39/06 , B01D39/20 , B01D39/14 , F01N3/023 , B01D46/24 , B01D46/00 , F01N3/022 , F01N3/035 , F01N3/021 , B01D46/32 , B01D53/64 , F01N3/08 , B01D41/00 , B01D53/82 , F01N3/00
CPC分类号: F01N3/023 , B01D41/00 , B01D46/00 , B01D46/006 , B01D46/0061 , B01D46/2418 , B01D46/32 , B01D53/64 , B01D53/82 , B01D2257/302 , B01D2259/40083 , B01D2279/30 , F01N3/00 , F01N3/021 , F01N3/022 , F01N3/0222 , F01N3/0232 , F01N3/035 , F01N3/085
摘要: A wall flow type particulate filter is arranged inside the exhaust passage of an internal combustion engine where combustion is performed under an excess of oxygen. The particulate filter carries a solid acid. The solid acid has an acid strength which is higher than the acid strength of sulfurous acid and lower than the acid strength of sulfuric acid. To remove the ash from the particulate filter, ash atomization processing for rendering the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature is temporarily performed.
摘要翻译: 壁流式微粒过滤器布置在内燃机的排气通道内部,其中在过量的氧气下进行燃烧。 颗粒过滤器携带固体酸。 固体酸的酸强度高于亚硫酸的酸强度,低于硫酸的酸强度。 为了从颗粒过滤器除去灰分,临时进行用于使微粒过滤器的状态为灰尘雾化处理的状态,其中流入颗粒过滤器的废气的浓度降低,并且微粒过滤器的温度升高。
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公开(公告)号:US09011569B2
公开(公告)日:2015-04-21
申请号:US14126904
申请日:2012-06-29
申请人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
发明人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
IPC分类号: B01D39/14 , B01D39/06 , B01D39/20 , B01D24/00 , B01D50/00 , F01N3/023 , B01D46/24 , B01D46/00 , F01N3/022 , F01N3/035 , F01N3/021 , B01D46/32 , B01D53/64 , F01N3/08 , B01D41/00 , B01D53/82 , F01N3/00
CPC分类号: F01N3/023 , B01D41/00 , B01D46/00 , B01D46/006 , B01D46/0061 , B01D46/2418 , B01D46/32 , B01D53/64 , B01D53/82 , B01D2257/302 , B01D2259/40083 , B01D2279/30 , F01N3/00 , F01N3/021 , F01N3/022 , F01N3/0222 , F01N3/0232 , F01N3/035 , F01N3/085
摘要: A wall flow type particulate filter (24) adapted to be arranged in an exhaust passage of an internal combustion engine in which combustion is performed in an excess of oxygen carries a solid acid. The solid acid has an acid strength which is higher than the acid strength of sulfurous acid and lower than the acid strength of sulfuric acid.
摘要翻译: 适于布置在内燃机的排气通道中的壁流式微粒过滤器(24),其中在过量的氧气中进行燃烧,其携带固体酸。 固体酸的酸强度高于亚硫酸的酸强度,低于硫酸的酸强度。
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公开(公告)号:US08778053B2
公开(公告)日:2014-07-15
申请号:US14110811
申请日:2012-06-29
申请人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
发明人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
IPC分类号: B01D39/14 , B01D39/06 , B01D39/20 , B01D24/00 , B01D50/00 , B01D46/00 , B01D53/64 , B01D46/32 , B01D41/00 , B01D46/24 , F01N3/022 , B01D53/82 , F01N3/00
CPC分类号: F01N3/023 , B01D41/00 , B01D46/00 , B01D46/006 , B01D46/0061 , B01D46/2418 , B01D46/32 , B01D53/64 , B01D53/82 , B01D2257/302 , B01D2259/40083 , B01D2279/30 , F01N3/00 , F01N3/021 , F01N3/022 , F01N3/0222 , F01N3/0232 , F01N3/035 , F01N3/085
摘要: A method of removing ash from a wall flow type particulate filter which is arranged in an exhaust passage of an internal combustion engine in which combustion is performed in an excess of oxygen for trapping particulate matter in exhaust gas, using a solid acid which is carried on the particulate filter, renders the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature, and then renders the state of the particulate filter a state where the exhaust gas which flows into the particulate filter in an oxidizing atmosphere contains SOx.
摘要翻译: 一种从壁流型微粒过滤器除去灰尘的方法,该过滤器布置在内燃机的排气通道中,其中在过量的氧气中进行燃烧以在废气中捕集颗粒物质,使用载体上的固体酸 颗粒过滤器使颗粒过滤器的状态为流入颗粒过滤器的废气在氧气浓度降低并且颗粒过滤器升温的状态,然后使微粒过滤器的状态呈现状态, 在氧化气氛中流入微粒过滤器的废气含有SOx。
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公开(公告)号:US20140120001A1
公开(公告)日:2014-05-01
申请号:US14126904
申请日:2012-06-29
申请人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
发明人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
IPC分类号: F01N3/023
CPC分类号: F01N3/023 , B01D41/00 , B01D46/00 , B01D46/006 , B01D46/0061 , B01D46/2418 , B01D46/32 , B01D53/64 , B01D53/82 , B01D2257/302 , B01D2259/40083 , B01D2279/30 , F01N3/00 , F01N3/021 , F01N3/022 , F01N3/0222 , F01N3/0232 , F01N3/035 , F01N3/085
摘要: A wall flow type particulate filter (24) adapted to be arranged in an exhaust passage of an internal combustion engine in which combustion is performed in an excess of oxygen carries a solid acid. The solid acid has an acid strength which is higher than the acid strength of sulfurous acid and lower than the acid strength of sulfuric acid.
摘要翻译: 适于布置在内燃机的排气通道中的壁流式微粒过滤器(24),其中在过量的氧气中进行燃烧,其中携带固体酸。 固体酸的酸强度高于亚硫酸的酸强度,低于硫酸的酸强度。
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公开(公告)号:US08465702B2
公开(公告)日:2013-06-18
申请号:US13581766
申请日:2010-05-12
CPC分类号: B01D53/9418 , B01D53/925 , B01D53/9477 , B01D53/9495 , B01D2251/2067 , B01D2251/208 , B01D2255/1021 , B01D2255/1025 , B01D2255/104 , B01D2255/2063 , B01D2255/2092 , B01D2255/91 , B01D2258/012 , B01J23/50 , B01J23/66 , B01J37/0242 , F01N3/0814 , F01N3/0842 , F01N3/0871 , F01N3/101 , F01N3/208 , F01N13/009 , F01N13/0097 , F01N13/16 , F01N2430/085 , F01N2510/0684 , F01N2570/14 , F01N2610/02 , F01N2610/03 , F01N2610/146 , F01N2900/0601 , F01N2900/1602 , F01N2900/1614 , F01N2900/1622 , Y02A50/2344 , Y02T10/22 , Y02T10/24
摘要: In an exhaust purification system of an internal combustion engine of the present invention, a silver-alumina-based catalyst device and NOX reducing catalyst device are arranged in the engine exhaust system. When a temperature of the silver-alumina-based catalyst device becomes a first set temperature T1 on the high temperature side, NOX released from the silver-alumina-based catalyst device is reduced by reducing material to be purified in the NOX reducing catalyst device. When the temperature of the silver-alumina-based catalyst device becomes a second set temperature on the low temperature side, NOX released from the silver-alumina-based catalyst device is reduced by reducing material to be purified in the NOX reducing catalyst device.
摘要翻译: 在本发明的内燃机的排气净化系统中,在发动机排气系统中配置有银 - 氧化铝系催化剂装置和NO x还原催化剂装置。 当银 - 氧化铝基催化剂装置的温度在高温侧成为第一设定温度T1时,通过在NO x还原催化剂装置中还原待净化的材料来减少从银 - 氧化铝基催化剂装置释放的NOX。 当银 - 氧化铝基催化剂装置的温度在低温侧成为第二设定温度时,通过在NO x还原催化剂装置中还原待净化的材料来减少从银 - 氧化铝基催化剂装置释放的NOX。
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公开(公告)号:US09057299B2
公开(公告)日:2015-06-16
申请号:US14126997
申请日:2012-06-29
申请人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
发明人: Hiroshi Otsuki , Shigeki Nakayama , Hiromasa Nishioka , Katsuhiko Oshikawa , Yoshihisa Tsukamoto , Junichi Matsuo , Yuichi Sobue , Daichi Imai , Kou Sugawara
IPC分类号: B01D50/00 , B01D39/00 , B01D41/00 , B01D45/00 , B01D49/00 , B01D51/00 , F01N3/023 , B01D46/24 , B01D46/00 , F01N3/022 , F01N3/035 , F01N3/021 , B01D46/32 , B01D53/64 , F01N3/08 , B01D53/82 , F01N3/00
CPC分类号: F01N3/023 , B01D41/00 , B01D46/00 , B01D46/006 , B01D46/0061 , B01D46/2418 , B01D46/32 , B01D53/64 , B01D53/82 , B01D2257/302 , B01D2259/40083 , B01D2279/30 , F01N3/00 , F01N3/021 , F01N3/022 , F01N3/0222 , F01N3/0232 , F01N3/035 , F01N3/085
摘要: A wall flow type particulate filter is arranged inside the exhaust passage of an internal combustion engine where combustion is performed under an excess of oxygen. The particulate filter carries an ash atomization agent. To remove the ash from the particulate filter, ash atomization processing for rendering the state of the particulate filter a state where the exhaust gas which flows into the particulate filter is lowered in concentration of oxygen and the particulate filter is raised in temperature is temporarily performed.
摘要翻译: 壁流式微粒过滤器布置在内燃机的排气通道内部,其中在过量的氧气下进行燃烧。 颗粒过滤器带有灰雾化剂。 为了从颗粒过滤器除去灰分,临时进行用于使微粒过滤器的状态为灰尘雾化处理的状态,其中流入颗粒过滤器的废气的浓度降低,并且微粒过滤器的温度升高。
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