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公开(公告)号：US20170113206A1
公开(公告)日：2017-04-27
申请号：US15298922
申请日：2016-10-20
Applicant: CATALER CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Keiji HORAGUCHI , Makoto TSUJI , Hiroto IMAI , Yasuyoshi SASAKI , Hiroto YOSHIDA , Takeshi NOBUKAWA
CPC classification number: B01J23/58 , B01D53/9422 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/2042 , B01D2255/2092 , B01D2255/407 , B01D2255/9022 , B01D2255/91 , B01D2257/404 , B01J23/10 , B01J23/63 , B01J35/04 , B01J37/0213 , B01J37/0236 , B01J37/08 , F01N3/28
Abstract: Exhaust gas purification device having a catalyst layer including an Rh—Ba-loaded catalyst, and a Pt/Pd—Ba-loaded catalyst. The exhaust gas purification device satisfies at least one of (a) the degree of Rh—Ba dispersion is greater than 0.001 and less than 1.000, (b) the loaded amount of Ba based on the weight of a first carrier particle in the Rh—Ba-loaded catalyst is greater than 0.01% by weight and less than 10.00% by weight, and the loaded amount of Ba based on the weight of a second carrier particle in the Pt/Pd—Ba-loaded catalyst is 10.00% by weight to 20.00% by weight, and (c) the loaded amount of Ba based on the weight of the first carrier particle in Rh—Ba-loaded catalyst is greater than 0.005 times to less than 0.800 times the loaded amount of Ba based on the weight of the second carrier particle in Pt/Pd—Ba-loaded catalyst.
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公开(公告)号：US20190099749A1
公开(公告)日：2019-04-04
申请号：US16051671
申请日：2018-08-01
Applicant: CATALER CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Shintaro KOBAYASHI , Makoto TSUJI , Hiroto IMAI , Takeshi HIRABAYASHI
IPC: B01J35/10 , B01J29/85 , B01J29/06 , B01J29/04 , B01J35/04 , B01J37/02 , F01N3/035 , F01N3/029 , B01D53/94
Abstract: The present invention provides an exhaust gas purification catalyst provided with: a substrate of wall flow structure in which inlet cells and outlet cells are partitioned by porous partition walls; and a catalyst layer disposed at least inside the partition wall and including a catalyst body. The catalyst layer satisfies the following conditions: (1) the pore volume of pores no larger than 5 μm, as measured in accordance with a mercury intrusion technique, is 24000 mm3 or greater per L of volume of the substrate; and (2) a permeability coefficient measured by a Perm porometer is 0.6 μm2 to 4.4 μm2.
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公开(公告)号：US20160310897A1
公开(公告)日：2016-10-27
申请号：US15101980
申请日：2014-12-05
Applicant: CATALER CORPORATION
Inventor： Makoto TSUJI , Hiroto IMAI , Shintaro KOBAYASHI
IPC: B01D53/94 , B01J29/85 , B01J23/42 , F01N13/00 , B01J35/04 , B01J37/02 , F01N3/20 , B01J29/76 , B01J35/00
CPC classification number: B01D53/9418 , B01D53/9477 , B01D2251/2067 , B01D2255/1021 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2255/502 , B01D2255/9032 , B01D2255/9155 , B01D2258/012 , B01J23/42 , B01J29/7615 , B01J29/85 , B01J35/0006 , B01J35/04 , B01J37/0215 , B01J37/0244 , B01J37/0246 , B01J2229/186 , F01N3/2066 , F01N13/0093 , Y02T10/24
Abstract: The exhaust gas purification apparatus is provided with: an upstream catalyst section which is disposed on the upstream side of an exhaust pipe; a downstream catalyst section which is disposed on the downstream side of the exhaust pipe with respect to the upstream catalyst section; and reducing agent solution supplier that supplies a reducing agent solution for generating ammonia from the upstream of the upstream catalyst section. The upstream catalyst section and the downstream catalyst section each include a SCR catalyst constituted by a zeolite, which adsorbs ammonia and reduces NOx in the exhaust gas. The skeleton density (A) of the SCR catalyst included in the upstream catalyst section is less than the skeleton density (B) of the SCR catalyst included in the downstream catalyst section (A
Abstract translation: 废气净化装置设置有：上游催化剂部，其设置在排气管的上游侧; 下游催化剂部，其相对于所述上游催化剂部设置在所述排气管的下游侧; 以及从上游催化剂部的上游供给用于生成氨的还原剂溶液的还原剂溶液供给体。 上游催化剂部分和下游催化剂部分各自包括由沸石构成的SCR催化剂，该催化剂吸附氨并减少废气中的NOx。 包含在上游催化剂部分中的SCR催化剂的骨架密度（A）小于下游催化剂部分（A
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公开(公告)号：US20240335825A1
公开(公告)日：2024-10-10
申请号：US18575961
申请日：2022-07-07
Applicant: CATALER CORPORATION
Inventor： Takehiro AMADA , Daisuke SUGIOKA , Keigo HORI , Hiroto IMAI
CPC classification number: B01J29/763 , B01D53/9418 , B01J37/04 , B01J37/08 , F01N3/2066 , F01N3/2803 , B01D2255/20761 , B01D2255/50 , B01D2257/404 , B01D2258/01 , B01J2229/16 , B01J2229/186 , F01N2370/04
Abstract: An exhaust gas purification catalyst containing Cu-CHA zeolite, wherein the Cu-CHA zeolite has a silica-to-alumina ratio (SAR) of no higher than 20.0 and includes an alkali metal and an alkaline earth metal.
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公开(公告)号：US20160279571A1
公开(公告)日：2016-09-29
申请号：US15037356
申请日：2014-12-05
Applicant: CATALER CORPORATION
Inventor： Makoto TSUJI , Hiroto IMAI , Shintaro KOBAYASHI
CPC classification number: B01D53/9418 , B01D53/9459 , B01D53/9472 , B01D53/9477 , B01D2251/2067 , B01D2255/1021 , B01D2255/1025 , B01D2255/2073 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/50 , B01D2255/502 , B01D2255/9032 , B01D2255/911 , B01D2255/9155 , B01D2258/012 , B01J29/7615 , B01J29/85 , B01J35/0006 , B01J35/04 , B01J37/0018 , B01J37/0036 , B01J37/0244 , B01J37/0246 , B01J2229/186 , B01J2229/42 , F01N3/035 , F01N3/2066 , F01N2510/0682 , Y02T10/24
Abstract: An exhaust gas purification material according to the present invention is provided with a particulate filter that traps particulate matter in exhaust gas and contains an SCR catalyst for adsorbing ammonia and reducing NOx in the exhaust gas. A maximum allowable adsorption amount of ammonia adsorbable by the filter differs between an upstream portion of the filter including an exhaust gas inlet-side end, and an downstream portion of the filter including an exhaust gas outlet-side end. A maximum allowable adsorption amount of ammonia A in the upstream portion is smaller than a maximum allowable adsorption amount of ammonia B in the downstream portion (A
Abstract translation: 根据本发明的废气净化材料设置有微粒过滤器，其捕集废气中的颗粒物质并含有用于吸附氨并且还原废气中的NOx的SCR催化剂。 由过滤器吸附的氨的最大允许吸附量在包括废气入口侧端部的过滤器的上游部分和包括废气出口侧端部的过滤器的下游部分不同。 上游部分中氨的最大允许吸附量小于下游部分（A
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Patent Agency Ranking
公开(公告)号：US20250018384A1
公开(公告)日：2025-01-16
申请号：US18712796
申请日：2022-11-30
Applicant: CATALER CORPORATION
Inventor： Takehiro AMADA , Hiroto IMAI , Keigo HORI , Daisuke SUGIOKA , Akiya CHIBA
Abstract: An exhaust gas purification catalyst device includes a substrate and one or more catalyst coating layers on the substrate, wherein the one or more catalyst coating layers include copper ion-exchanged zeolite and alkali-containing zeolite containing one or more metals selected from among alkali metals and alkaline earth metals, the exhaust gas purification catalyst device satisfying either of the following conditions (A) and (B): (A) both the copper ion-exchanged zeolite and the alkali-containing zeolite are contained in one of the catalyst coating layers, and (B) the catalyst coating layer includes a first catalyst coating layer containing the copper ion-exchanged zeolite and a second catalyst coating layer containing the alkali-containing zeolite, with the first catalyst coating layer and second catalyst coating layer being layered together in direct contact.
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公开(公告)号：US20190093530A1
公开(公告)日：2019-03-28
申请号：US15995163
申请日：2018-06-01
Applicant: CATALER CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Takahiro NOGUCHI , Makoto TSUJI , Hiroto IMAI , Yusuke SHIMMYO , Hiroyuki MATSUBARA
CPC classification number: F01N3/101 , B01J21/04 , B01J21/066 , B01J21/08 , B01J23/63 , B01J37/0244 , B01J37/0248 , F01N3/103 , F01N3/2066 , F01N3/2803 , F01N3/2828 , F01N2510/06 , F01N2510/0682 , F01N2510/0684
Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length.
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公开(公告)号：US20180296979A1
公开(公告)日：2018-10-18
申请号：US16014979
申请日：2018-06-21
Applicant: CATALER CORPORATION
Inventor： Makoto TSUJI , Hiroto IMAI , Shintaro KOBAYASHI
CPC classification number: B01D53/9418 , B01D53/9436 , B01D2251/2067 , B01D2255/20738 , B01D2255/20761 , B01D2255/502 , B01D2255/808 , B01D2255/9032 , B01D2255/911 , B01D2255/9155 , B01D2257/406 , B01D2258/012 , B01J21/04 , B01J23/72 , B01J29/7615 , B01J29/763 , B01J29/85 , B01J35/0006 , B01J35/04 , B01J37/0244 , B01J37/0246 , B01J37/0248 , F01N3/035 , F01N3/0821 , F01N3/103 , F01N3/2066 , F01N2370/04 , F01N2570/18 , F01N2610/02
Abstract: An exhaust gas purification material according to the present invention is provided with a particulate filter 10 that traps particulate matter in exhaust gas and contains an SCR catalyst for adsorbing ammonia and reducing NOx in the exhaust gas. A maximum allowable adsorption amount of ammonia adsorbable by the filter 10 differs between an upstream portion 10a of the filter 10 including an exhaust gas inlet-side end 10c, and a downstream portion 10b of the filter 10 including an exhaust gas outlet-side end 10d. The SCR catalyst contained in the upstream portion 10a and the SCR catalyst contained in the downstream portion 10b are qualitatively different. A ratio (B/A) of a maximum allowable adsorption amount of ammonia A in the upstream portion 10a and a maximum allowable adsorption amount of ammonia B in the downstream portion 10b satisfies the relationship 1.1≤(B/A)≤2.
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公开(公告)号：US20180258810A1
公开(公告)日：2018-09-13
申请号：US15912676
申请日：2018-03-06
Applicant: CATALER CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Makoto TSUJI , Hiroto IMAI , Shintaro KOBAYASHI , Yusuke SHIMMYO , Hiroyuki MATSUBARA
CPC classification number: F01N3/035 , B01D53/9418 , B01D2251/2067 , B01D2255/20761 , B01D2255/50 , B01D2255/9022 , B01D2255/9155 , B01D2258/012 , B01J23/56 , B01J29/723 , F01N3/0814 , F01N3/2066 , F01N2250/02 , F01N2370/04 , F01N2610/02 , Y02T10/24
Abstract: An exhaust gas purifying catalyst includes an inlet-side catalyst layer formed on an inner side of the partition wall from a surface of the partition wall in contact with an inlet-side cell and formed along an extension direction from an end portion on the exhaust gas inflow side, and an outlet-side catalyst layer formed on the inner side of the partition wall from a surface of the partition wall in contact with an outlet-side cell and formed along the extension direction from an end portion on the exhaust gas outflow side. Here, a sum of the lengths of the inlet-side catalyst layer and the outlet-side catalyst layer is larger than the entire length of the partition wall, and a total amount of an SCR catalyst body present in the outlet-side catalyst layer is larger than a total amount of an SCR catalyst body present in the inlet-side catalyst layer.
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公开(公告)号：US20160074836A1
公开(公告)日：2016-03-17
申请号：US14785028
申请日：2014-04-15
Applicant: CATALER CORPORATION , TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Yasuyoshi SASAKI , Makoto TSUJI , Hiroto IMAI , Keisuke KISHITA , Daisuke OCHIAI
CPC classification number: B01J23/58 , B01D53/945 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/91 , B01D2258/014 , B01J23/44 , B01J35/0073 , B01J35/04 , B01J37/0244 , B01J37/0248 , F01N3/2803 , Y02T10/22
Abstract: The object of the present invention is to provide a novel exhaust gas purifying catalyst having excellent NOx purification performance. The object can be achieved by an exhaust gas purifying catalyst comprising: a substrate; and a catalyst layer disposed on the substrate which comprises a first carrier, and platinum and a first palladium supported on the first carrier; in which the weight ratio of the platinum to the first palladium is 3:1 to 8:1.
Abstract translation: 本发明的目的是提供一种具有优异的NOx净化性能的新型废气净化催化剂。 该目的可以通过一种废气净化催化剂来实现，该催化剂包括：基材; 以及催化剂层，其设置在所述基板上，所述催化剂层包括第一载体，铂和负载在所述第一载体上的第一钯; 其中铂与第一钯的重量比为3:1至8:1。
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