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公开(公告)号：US12036510B2
公开(公告)日：2024-07-16
申请号：US17717690
申请日：2022-04-11
申请人： Akemi Sato , Takeshi Hirabayashi , Koji Sugiura , Keisuke Murawaki , Takaya Ota , Masatoshi Ikebe , Kohei Takasaki , Takeshi Morishima
发明人： Akemi Sato , Takeshi Hirabayashi , Koji Sugiura , Keisuke Murawaki , Takaya Ota , Masatoshi Ikebe , Kohei Takasaki , Takeshi Morishima
IPC分类号： B01D53/94
CPC分类号： B01D53/94 , B01D2255/1021 , B01D2255/1025 , B01D2255/2042 , B01D2255/2065 , B01D2255/20715 , B01D2255/407 , B01D2255/9155 , F01N2330/60 , F01N2510/0682
摘要： An exhaust gas purification device suppresses a pressure loss increase and includes a honeycomb substrate and inflow cell side catalyst layer. The substrate includes a porous partition wall defining several cells extending from an inflow side end surface to an outflow side end surface. The cells include an inflow and outflow cell adjacent across the wall. The inflow cell has an open inflow side end and sealed outflow side end. The outflow cell has a sealed inflow side end and open outflow side end. The catalyst layer is on an inflow cell side surface in an region extending from the inflow side end positioned 10% or more of the partition wall length. At this position, a filled portion of the inflow cell side catalyst layer pores are 40% or less. The pores are present to a depth of 50% of a thickness of the partition wall.
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公开(公告)号：US11918986B2
公开(公告)日：2024-03-05
申请号：US17752495
申请日：2022-05-24
申请人： Koji Sugiura , Takeshi Hirabayashi , Akemi Satou , Keisuke Murawaki , Takaya Ota , Masatoshi Ikebe , Kohei Takasaki , Takeshi Morishima
发明人： Koji Sugiura , Takeshi Hirabayashi , Akemi Satou , Keisuke Murawaki , Takaya Ota , Masatoshi Ikebe , Kohei Takasaki , Takeshi Morishima
IPC分类号： B01J35/00 , B01D53/94 , B01J21/04 , B01J21/06 , B01J23/10 , B01J23/42 , B01J23/46 , B01J35/04 , F01N3/28
CPC分类号： B01J35/0006 , B01D53/9472 , B01J21/04 , B01J21/066 , B01J23/10 , B01J23/42 , B01J23/464 , B01J35/04 , F01N3/2803 , F01N3/2842 , B01D2255/1021 , B01D2255/1025 , B01D2255/2065 , B01D2255/9035 , B01D2255/9155 , F01N2370/02
摘要： There is provided an exhaust gas purification device that shows a high HC removal performance under a condition in which a rich air-fuel mixture is introduced. The exhaust gas purification device includes a substrate, a first catalyst layer, and a second catalyst layer. The substrate includes an upstream end and a downstream end. The first catalyst layer is disposed on a surface of the partition wall in an upstream region including the upstream end of the substrate. The second catalyst layer is disposed inside the partition wall in a downstream region including the downstream end of the substrate. The first catalyst layer contains a first metal catalyst and alumina-zirconia composite oxide. The second catalyst layer contains a second metal catalyst.
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公开(公告)号：US20220387983A1
公开(公告)日：2022-12-08
申请号：US17752495
申请日：2022-05-24
申请人： Koji SUGIURA , Takeshi HIRABAYASHI , Akemi SATOU , Keisuke MURAWAKI , Takaya OTA , Masatoshi IKEBE , Kohei TAKASAKI , Takeshi MORISHIMA
发明人： Koji SUGIURA , Takeshi HIRABAYASHI , Akemi SATOU , Keisuke MURAWAKI , Takaya OTA , Masatoshi IKEBE , Kohei TAKASAKI , Takeshi MORISHIMA
IPC分类号： B01J35/00 , B01J35/04 , B01J21/04 , B01J21/06 , B01J23/10 , B01J23/42 , B01J23/46 , F01N3/28 , B01D53/94
摘要： There is provided an exhaust gas purification device that shows a high HC removal performance under a condition in which a rich air-fuel mixture is introduced. The exhaust gas purification device includes a substrate, a first catalyst layer, and a second catalyst layer. The substrate includes an upstream end and a downstream end. The first catalyst layer is disposed on a surface of the partition wall in an upstream region including the upstream end of the substrate. The second catalyst layer is disposed inside the partition wall in a downstream region including the downstream end of the substrate. The first catalyst layer contains a first metal catalyst and alumina-zirconia composite oxide. The second catalyst layer contains a second metal catalyst.
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公开(公告)号：US20220370997A1
公开(公告)日：2022-11-24
申请号：US17734702
申请日：2022-05-02
申请人： Koji SUGIURA , Takeshi HIRABAYASHI , Akemi SATOU , Keisuke MURAWAKI , Takaya OTA , Masatoshi IKEBE , Kohei TAKASAKI , Takeshi MORISHIMA
发明人： Koji SUGIURA , Takeshi HIRABAYASHI , Akemi SATOU , Keisuke MURAWAKI , Takaya OTA , Masatoshi IKEBE , Kohei TAKASAKI , Takeshi MORISHIMA
摘要： The exhaust gas purification device includes a substrate, a first catalyst layer, and a second catalyst layer. The substrate includes an upstream end, a downstream end, and a porous partition wall defining a plurality of cells extending between the upstream end and the downstream end. The plurality of cells include an inlet cell opening at the upstream end and sealed at the downstream end, and an outlet cell adjacent to the inlet cell sealed at the upstream end and opening at the downstream end. The first catalyst layer is disposed on a surface of the partition wall in an upstream region. In a downstream region, the second catalyst layer is disposed inside the partition wall, and a second catalyst-containing wall including the partition wall and the second catalyst layer has a porosity of 35% or more.
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公开(公告)号：US20220347626A1
公开(公告)日：2022-11-03
申请号：US17717690
申请日：2022-04-11
申请人： Akemi SATO , Takeshi HIRABAYASHI , Koji SUGIURA , Keisuke MURAWAKI , Takaya OTA , Masatoshi IKEBE , Kohei TAKASAKI , Takeshi MORISHIMA
发明人： Akemi SATO , Takeshi HIRABAYASHI , Koji SUGIURA , Keisuke MURAWAKI , Takaya OTA , Masatoshi IKEBE , Kohei TAKASAKI , Takeshi MORISHIMA
IPC分类号： B01D53/94
摘要： An exhaust gas purification device suppresses a pressure loss increase and includes a honeycomb substrate and inflow cell side catalyst layer. The substrate includes a porous partition wall defining several cells extending from an inflow side end surface to an outflow side end surface. The cells include an inflow and outflow cell adjacent across the wall. The inflow cell has an open inflow side end and sealed outflow side end. The outflow cell has a sealed inflow side end and open outflow side end. The catalyst layer is on an inflow cell side surface in an region extending from the inflow side end positioned 10% or more of the partition wall length. At this position, a filled portion of the inflow cell side catalyst layer pores are 40% or less. The pores are present to a depth of 50% of a thickness of the partition wall.
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公开(公告)号：US20100298130A1
公开(公告)日：2010-11-25
申请号：US12864482
申请日：2009-01-28
申请人： Keisuke Murawaki , Junya Shirahata , Yasuo Katou
发明人： Keisuke Murawaki , Junya Shirahata , Yasuo Katou
CPC分类号： B01D53/9445 , B01D2255/1021 , B01D2255/1025 , B01D2255/92 , B01J23/464 , B01J23/892 , B01J35/04 , B01J37/0225 , B01J37/0242 , B01J37/0244 , F01N3/281 , F01N2330/02 , Y02T10/22
摘要： A metal honeycomb carrier comprising a metal outer casing having inserted thereinto a metal honeycomb structure consisting of a metallic flat foil and a metallic corrugated foil, wherein perforations in an opening ratio of 30 to 60% are provided in either one or both of the flat foil and the corrugated foil.
摘要翻译： 一种金属蜂窝载体，包括金属外壳，其插入由金属平箔和金属波纹箔构成的金属蜂窝结构体，其中开口率为30％至60％的穿孔设置在平箔中的一个或两个 和瓦楞纸。
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公开(公告)号：US11679379B2
公开(公告)日：2023-06-20
申请号：US17734702
申请日：2022-05-02
申请人： Koji Sugiura , Takeshi Hirabayashi , Akemi Satou , Keisuke Murawaki , Takaya Ota , Masatoshi Ikebe , Kohei Takasaki , Takeshi Morishima
发明人： Koji Sugiura , Takeshi Hirabayashi , Akemi Satou , Keisuke Murawaki , Takaya Ota , Masatoshi Ikebe , Kohei Takasaki , Takeshi Morishima
CPC分类号： B01J35/0006 , B01D53/94 , B01J35/04 , F01N3/2828 , B01D2255/1021 , B01D2255/1025 , B01D2255/407 , B01D2255/9022 , B01D2255/9205 , F01N2330/06 , F01N2330/48 , F01N2370/02 , F01N2510/06
摘要： The exhaust gas purification device includes a substrate, a first catalyst layer, and a second catalyst layer. The substrate includes an upstream end, a downstream end, and a porous partition wall defining a plurality of cells extending between the upstream end and the downstream end. The plurality of cells include an inlet cell opening at the upstream end and sealed at the downstream end, and an outlet cell adjacent to the inlet cell sealed at the upstream end and opening at the downstream end. The first catalyst layer is disposed on a surface of the partition wall in an upstream region. In a downstream region, the second catalyst layer is disposed inside the partition wall, and a second catalyst-containing wall including the partition wall and the second catalyst layer has a porosity of 35% or more.
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公开(公告)号：US11602742B2
公开(公告)日：2023-03-14
申请号：US17178336
申请日：2021-02-18
申请人： Koji Sugiura , Hiromasa Nishioka , Naoto Miyoshi , Akemi Sato , Ryota Nakashima , Masatoshi Ikebe , Keisuke Murawaki , Hirotaka Ori
发明人： Koji Sugiura , Hiromasa Nishioka , Naoto Miyoshi , Akemi Sato , Ryota Nakashima , Masatoshi Ikebe , Keisuke Murawaki , Hirotaka Ori
IPC分类号： B01J23/40 , B01J23/42 , B01J23/44 , B01J23/46 , B01J35/00 , B01J35/04 , B01D53/94 , B01D46/24 , F01N3/28
摘要： Provided is an exhaust gas purification device that ensures an improved purification performance and a suppressed pressure loss. An exhaust gas purification device of the present disclosure includes a honeycomb substrate and an inflow cell side catalyst layer. disposed on a surface on the inflow cell side in an inflow side region of the partition wall. When a gas permeability coefficient of an inflow side partition wall portion including the inflow side region of the partition wall and the inflow cell side catalyst layer is Ka and a gas permeability coefficient of an outflow side partition wall portion including an outflow side region at least from the predetermined position to an outflow side end of the partition wall is Kb, a ratio Ka/Kb of the gas permeability coefficients is within a range of 0.4 or more and 0.8 or less.
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公开(公告)号：US20210283589A1
公开(公告)日：2021-09-16
申请号：US17178336
申请日：2021-02-18
申请人： Koji SUGIURA , Hiromasa NISHIOKA , Naoto MIYOSHI , Akemi SATO , Ryota NAKASHIMA , Masatoshi IKEBE , Keisuke MURAWAKI , Hirotaka ORI
发明人： Koji SUGIURA , Hiromasa NISHIOKA , Naoto MIYOSHI , Akemi SATO , Ryota NAKASHIMA , Masatoshi IKEBE , Keisuke MURAWAKI , Hirotaka ORI
IPC分类号： B01J35/04 , B01J23/42 , B01J23/44 , B01J23/46 , B01J35/00 , B01D46/24 , B01D53/94 , F01N3/28
摘要： Provided is an exhaust gas purification device that ensures an improved purification performance and a suppressed pressure loss. An exhaust gas purification device of the present disclosure includes a honeycomb substrate and an inflow cell side catalyst layer. disposed on a surface on the inflow cell side in an inflow side region of the partition wall. When a gas permeability coefficient of an inflow side partition wall portion including the inflow side region of the partition wall and the inflow cell side catalyst layer is Ka and a gas permeability coefficient of an outflow side partition wall portion including an outflow side region at least from the predetermined position to an outflow side end of the partition wall is Kb, a ratio Ka/Kb of the gas permeability coefficients is within a range of 0.4 or more and 0.8 or less.
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公开(公告)号：US09381467B2
公开(公告)日：2016-07-05
申请号：US12864482
申请日：2009-01-28
申请人： Keisuke Murawaki , Junya Shirahata , Yasuo Katou
发明人： Keisuke Murawaki , Junya Shirahata , Yasuo Katou
IPC分类号： B01J23/00 , F01N3/08 , B01J19/08 , B01J8/08 , B01J8/02 , B01D53/94 , B01J23/46 , B01J23/89 , B01J35/04 , B01J37/02 , F01N3/28
CPC分类号： B01D53/9445 , B01D2255/1021 , B01D2255/1025 , B01D2255/92 , B01J23/464 , B01J23/892 , B01J35/04 , B01J37/0225 , B01J37/0242 , B01J37/0244 , F01N3/281 , F01N2330/02 , Y02T10/22
摘要： A metal honeycomb carrier comprising a metal outer casing having inserted thereinto a metal honeycomb structure consisting of a metallic flat foil and a metallic corrugated foil, wherein perforations in an opening ratio of 30 to 60% are provided in either one or both of the flat foil and the corrugated foil.
摘要翻译： 一种金属蜂窝载体，包括金属外壳，其插入由金属平箔和金属波纹箔构成的金属蜂窝结构体，其中开口率为30％至60％的穿孔设置在平箔中的一个或两个 和瓦楞纸。
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