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1. 发明专利

JP2014226652A 排気ガス浄化用触媒及びその製造方法有权
标题翻译：排气净化催化剂及其制造方法
公开(公告)号：JP2014226652A
公开(公告)日：2014-12-08
申请号：JP2013110770
申请日：2013-05-27
申请人：マツダ株式会社 , Mazda Motor Corp
发明人： YAMADA KEIJI , OSHIRO ERI , HARADA KOICHIRO , BABA YOSHI , SATO YOSHIYUKI , SHIGETSU MASAHIKO , TAKAMI AKIHIDE
IPC分类号： B01J29/74 , B01D53/94 , B01J35/04 , B01J37/02 , F01N3/08 , F01N3/10 , F01N3/24 , F01N3/28
摘要：【課題】NOx吸蔵材を含有する積層型の排気ガス浄化触媒において、そのNOx吸蔵材がゼオライトなど他の触媒成分に悪影響を及ぼさないようにすると共に、担体上の触媒層の剥離を防ぎ、排気ガスの拡散を良好にして触媒の性能を十分に発揮できるようにする。【解決手段】排気ガス浄化用触媒において、担体1上における排ガス流れ方向上流側に、ゼオライト、アルミナ、Ce含有酸化物及び触媒金属を含む酸化触媒層2が形成され、担体1上における排ガス流れ方向下流側に、NOx吸蔵材、アルミナ、Ce含有酸化物及び触媒金属を含むLNT層3が形成され、酸化触媒層2のゼオライトの平均粒径は、LNT層3のアルミナ及びCe含有酸化物の混合物の平均粒径よりも小さい。【選択図】図2
摘要翻译：要解决的问题为了防止在包含异氰酸酯化合物的层叠型排气净化催化剂中，除异氰酸酯化合物对其它催化剂组分如沸石的不利影响以及防止催化剂层在载体上的剥离，通过促进废气的扩散，使催化剂充分展现其性能。解决方案：排气净化催化剂在载体1的排气流动方向的上游侧具有氧化催化剂层2，其包含沸石，氧化铝，含Ce氧化物和催化剂金属，并且在载体1的排气流动方向的下游侧具有包含除锡材料，氧化铝，含Ce氧化物和催化剂金属的LNT层3。氧化催化剂层2中的沸石的平均粒径小于LNT层3中的氧化铝和含Ce氧化物的混合物的平均粒径。

2. 发明专利

JP2014168750A Catalyst for exhaust gas purification and method for producing the same 有权
标题翻译：用于排气净化的催化剂及其生产方法
公开(公告)号：JP2014168750A
公开(公告)日：2014-09-18
申请号：JP2013041868
申请日：2013-03-04
申请人： Mazda Motor Corp , マツダ株式会社
发明人： MATSUMURA MASUHIRO , TAKAMI AKIHIDE , SHIGETSU MASAHIKO , KAWABATA HISAYA , AKAMINE MASAAKI , MURAKAMI YUKI , SUMITA KOSUKE
IPC分类号： B01J23/63 , B01D53/94 , B01J37/02 , B01J37/04 , B01J37/16
摘要： PROBLEM TO BE SOLVED: To obtain a catalyst material having high catalytic performance which can be activated even at a low temperature range and purify hazardous substances in exhaust gas with high efficiency.SOLUTION: There is provided a catalyst 1 for exhaust gas purification in which a Rh-containing catalyst layer 4 containing Rh is provided on a substrate 2, wherein the Rh-containing catalyst layer 4 includes a Rh-supporting CeZr-based composite oxide in which Rh6 is supported on a CeZr-based composite oxide containing Ce and Zr and the Rh-supporting CeZr-based composite oxide has been preliminarily subjected to heat treatment at 500°C or more and 800°C or less under a reduction atmosphere containing CO.
摘要翻译：要解决的问题：获得具有高催化性能的催化剂材料，该催化剂材料即使在低温范围内也可以活化，并且可以高效地净化废气中的有害物质。解决方案：提供了一种用于废气净化的催化剂1，其中含Rh的催化剂层4设置在基板2上，其中含Rh的催化剂层4包括负载Ce的Zr负载CeZr基复合氧化物，其中Rh 6负载在含Ce和Zr的CeZr基复合氧化物上， Rh负载的CeZr系复合氧化物在含有CO的还原气氛下，在500℃以上且800℃以下进行了预热处理。

3. 发明专利

JP2014100669A Particulate filter with catalyst 有权
标题翻译：带催化剂的颗粒过滤器
公开(公告)号：JP2014100669A
公开(公告)日：2014-06-05
申请号：JP2012254596
申请日：2012-11-20
申请人： Mazda Motor Corp , マツダ株式会社
发明人： HARADA KOICHIRO , BABA YOSHI , YAMADA KEIJI , SHIGETSU MASAHIKO , TAKAMI AKIHIDE
IPC分类号： B01D53/94 , B01D53/86 , B01J23/63 , B01J35/04 , F01N3/023 , F01N3/035 , F01N3/10 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To efficiently advance burning of PM deposited on a particulate filter.SOLUTION: A catalyst layer 22 disposed on an exhaust gas passage wall 21 of a particulate filter includes: a first catalyst material in which palladium (Pd) 24 is carried on Zr-containing complex oxide 23 containing zirconium (Zr) and rare earth element other than cerium (Ce); and a second catalyst material in which rhodium (Rh) 27 is contained in CeZr-containing complex oxide 25 containing Ce and Zr. The catalyst layer 22 disposed on an upstream side in the filter in an exhaust gas flow direction contains the first catalyst material whose content is greater than that of the second catalyst material. The catalyst layer 22 disposed on a downstream side contains the second catalyst material whose content is greater than that of the first catalyst material.
摘要翻译：要解决的问题：有效地提高沉积在颗粒过滤器上的PM的燃烧。解决方案：设置在颗粒过滤器的排气通道壁21上的催化剂层22包括：载有钯（Pd）24的第一催化剂材料含有锆（Zr）和除铈（Ce）以外的稀土元素的含Zr复合氧化物23; 和含有Ce和Zr的含CeZr的复合氧化物25中含有铑（Rh）27的第二催化剂材料。在排气流动方向上设置在过滤器的上游侧的催化剂层22含有比第二催化剂材料大的第一催化剂材料。设置在下游侧的催化剂层22含有比第一催化剂材料大的第二催化剂材料。

4. 发明专利

JP2013220402A Catalyst apparatus for purifying of exhaust gas 有权
标题翻译：用于净化排气的催化装置
公开(公告)号：JP2013220402A
公开(公告)日：2013-10-28
申请号：JP2012095098
申请日：2012-04-18
申请人： Mazda Motor Corp , マツダ株式会社
发明人： KAWABATA HISAYA , AKAMINE MASAAKI , YAMADA KEIJI , NAKAYAMA KAEI , MIYAMOTO KOJI , SHIGETSU MASAHIKO
IPC分类号： B01D53/94 , B01J23/56 , B01J23/63 , F01N3/10 , F01N3/28 , F02B11/00 , F02D41/02 , F02D41/04
CPC分类号： Y02T10/128
摘要： PROBLEM TO BE SOLVED: To provide a catalyst apparatus which effectively purifies an exhaust gas containing a plenty of pentanes and CO discharged following upon HCCI combustion from a gasoline engine.SOLUTION: Each of a first catalyst 27 in the upper flowing side and a second catalyst 28 on the lower flowing side includes Pt and Rh as catalyst metals, and in each of the catalyst 27, 28, Pt is supported on only active alumina and Rh is supported on or doped in at least one of a Ce containing oxide and a Ce non-containing oxide, wherein the Pt/Rh mass ratio of the first catalyst 27 is ≥4 times and ≤10 times the Pt/Rh mass ratio of the second catalyst 28.
摘要翻译：要解决的问题：提供一种催化剂装置，其有效地净化含有大量戊烷和废气的废气，其中H 2 CO 2燃烧后从汽油机排出。溶液：上流动侧的第一催化剂27和第二催化剂 28在下流侧包括Pt和Rh作为催化剂金属，并且在每个催化剂27,28中，Pt仅负载在活性氧化铝上，Rh负载于或掺入至少一种含Ce氧化物和Ce 不含氧化物，其中第一催化剂27的Pt / Rh质量比为第二催化剂28的Pt / Rh质量比的≥4倍和≤10倍。

5. 发明专利

JP2013117190A Particulate filter with catalyst 审中-公开
标题翻译：带催化剂的颗粒过滤器
公开(公告)号：JP2013117190A
公开(公告)日：2013-06-13
申请号：JP2011264670
申请日：2011-12-02
申请人： Mazda Motor Corp , マツダ株式会社
发明人： HARADA KOICHIRO , BABA YOSHI , YAMADA KEIJI , SHIGETSU MASAHIKO , TAKAMI AKIHIDE
IPC分类号： F01N3/023 , B01D46/42 , B01D53/94 , B01J23/63 , F01N3/035 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To efficiently promote combustion of PM deposited on a filter.SOLUTION: A catalyst 8 carried on an exhaust gas passage wall 5 of the filter includes three kinds of oxides which carry Pt as catalyst metals, and are Rh dope Ce-based oxide, Ce-free Zr-based oxide, and activated alumina. Two kinds of the three kinds of oxides form a composite particle material 9 that is mutually mixed to cohere. Each of the composite particle material 9 and an oxide particle material 10 being the remaining one kind carries Pt.
摘要翻译：要解决的问题：有效地促进沉积在过滤器上的PM的燃烧。 <！ - SIPO - >过滤器的排气通道壁5上载有的催化剂8包括三种作为催化剂金属携带Pt的氧化物，Rh掺杂Ce-氧化物，不含Ce的Zr-基氧化物和活化的氧化铝。两种三种氧化物形成相互混合以形成的复合颗粒材料9。作为剩余的一种的复合粒子材料9和氧化物粒子材料10都载有Pt。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2013066856A Particulate filter with catalyst 有权
标题翻译：带催化剂的颗粒过滤器
公开(公告)号：JP2013066856A
公开(公告)日：2013-04-18
申请号：JP2011207774
申请日：2011-09-22
申请人： Mazda Motor Corp , マツダ株式会社
发明人： BABA YOSHI , HARADA KOICHIRO , YAMADA KEIJI , SHIGETSU MASAHIKO , TAKAMI AKIHIDE
IPC分类号： B01J23/63 , B01D53/86 , B01D53/94 , F01N3/023 , F01N3/035
CPC分类号： B01J23/63 , B01D53/944 , B01D2255/1021 , B01D2255/1025 , B01D2255/2065 , B01D2255/2066 , B01D2255/2068 , B01D2255/20715 , B01D2255/2092 , B01D2255/40 , B01D2255/407 , B01D2258/012 , B01J23/002 , B01J23/42 , B01J23/464 , B01J35/0006 , B01J35/002 , B01J35/023 , B01J35/04 , B01J37/031 , B01J2523/00 , F01N3/035 , F01N3/10 , B01J2523/3718 , B01J2523/3725 , B01J2523/48 , B01J2523/3712
摘要： PROBLEM TO BE SOLVED: To efficiently burn the particulates deposited on a catalyst layer 7 in both quickly and slowly burning areas.SOLUTION: A material of Rh-doped Ce-containing composite oxide particles supporting Pt and a material of composite particles supporting Pt are both present on the catalyst layer 7 of the exhaust gas flow path wall of a filter 1. The composite particles are formed by mixing and aggregating Ce-free and Zr-containing composite oxide particles and activated alumina particles. The mass ratio of the Zr-containing composite oxide, activated alumina and Rh-doped Ce-containing composite oxide in a three-component phase diagram (Fig.15) is within a range surrounded by a point A (18+3/4, 6+1/4, 75), point B (6+1/4, 18+3/4, 75), point C (22+2/9, 66+6/9, 11+1/9) and point D (66+6/9, 22+2/9, 11+1/9).
摘要翻译：要解决的问题：为了有效地将沉积在催化剂层7上的微粒燃烧在快速和缓慢燃烧的区域中。解决方案：在过滤器1的排气流路壁的催化剂层7上，存在负载Pt的含Rh掺杂Ce的复合氧化物粒子和负载Pt的复合粒子的材料的材料。复合粒子通过混合和聚集无Ce和Zr的复合氧化物颗粒和活性氧化铝颗粒形成。在三组分相图（图15）中，含Zr复合氧化物，活性氧化铝和Rh掺杂的含Ce复合氧化物的质量比在A点（18 + 3/4， 6 + 1 / 4,75），B点（6 + 1 / 4,18 + 3 / 4,75），C点（22 + 2 / 9,66 + 6 / 9,11 + 1/9）和点 D（66 + 6 / 9,22 + 2 / 9,11 + 1/9）。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2011255270A Catalyst for purifying exhaust gas 审中-公开
标题翻译：用于净化排气的催化剂
公开(公告)号：JP2011255270A
公开(公告)日：2011-12-22
申请号：JP2010130097
申请日：2010-06-07
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO
IPC分类号： B01J23/58 , B01D53/94 , B01J37/02
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying exhaust gas which as phosphorus (P) added into engine oil poisons Pd, contains an alkaline earth metal, such as Ba, in catalyst layers for inhibiting P poisoning, contains a Rh-doped Ce-containing oxide in an upper layer, contains Pd in a lower layer in a state where the Pd is supported on various support materials, and contains the alkaline earth metal in both upper and lower layers, whereby deactivation of the Pd in the lower layer can be inhibited while ensuring the activity of the Rh in the upper layer.SOLUTION: The mass ratio of a content of the alkaline earth metal contained in the upper layer to a content of the alkaline earth metal contained in the lower layer is adjusted to 1:4 to 9:10, whereby the deactivation of the Pd in the lower layer can be inhibited while ensuring the activity of the Rh in the upper layer.
摘要翻译：要解决的问题：为了提供一种用于净化排气的催化剂，其作为磷（P）添加到发动机油毒物Pd中，在用于抑制P中毒的催化剂层中含有诸如Ba的碱土金属，含有Rh 在上层中掺杂的含Ce氧化物在Pd负载在各种载体材料上的状态下在下层中含有Pd，并且在上层和下层都含有碱土金属，从而使Pd在可以抑制下层，同时确保上层Rh的活性。解决方案：将上层中含有的碱土金属的含量与下层中所含的碱土金属的含量的质量比调整为1:4至9:10，由此，可以抑制下层中的Pd，同时确保上层中的Rh的活性。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011101841A Exhaust gas purifying catalyst 有权
标题翻译：排气净化催化剂
公开(公告)号：JP2011101841A
公开(公告)日：2011-05-26
申请号：JP2009257293
申请日：2009-11-10
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , YAMADA KEIJI , SHIGETSU MASAHIKO , TAKAMI AKIHIDE
IPC分类号： B01J23/62 , B01D53/94 , B01J23/89 , B01J27/053 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To improve the capacity of an exhaust gas purifying catalyst using a perovskite type composite oxide.
SOLUTION: The catalyst layer 2 of a carrier 1 includes Rh doped CeZr type composite oxide powder, noble metal (at least one of Pt and Pd) supported heat-resistant powder and perovskite type composite oxide powder and comprises a single layer or a plurality of layers 2a and 2b. The perovskite type composite oxide powder and the Rh doped CeZr type composite oxide powder are present in the same layer in a mixed state or separated into two adjacent layers.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高使用钙钛矿型复合氧化物的废气净化催化剂的容量。解决方案：载体1的催化剂层2包括Rh掺杂的CeZr型复合氧化物粉末，贵金属（Pt和Pd中的至少一种）负载的耐热粉末和钙钛矿型复合氧化物粉末，并且包括单层或多个层2a和2b。钙钛矿型复合氧化物粉末和Rh掺杂的CeZr型复合氧化物粉末以混合状态存在于相同的层中或分离成两个相邻层。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010077888A Exhaust emission control device for engine 有权
标题翻译：用于发动机的排气排放控制装置
公开(公告)号：JP2010077888A
公开(公告)日：2010-04-08
申请号：JP2008246741
申请日：2008-09-25
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO , KAWABATA HISAYA
IPC分类号： F01N3/20 , B01D53/86 , B01D53/94 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/63 , B60L11/12 , F01N3/10 , F01N3/24 , F02D19/02 , F02D19/06 , F02D29/06 , F02M25/08
CPC分类号： Y02T10/32 , Y02T10/36 , Y02T10/7077
摘要： PROBLEM TO BE SOLVED: To prevent deterioration of emission even if a purge of evaporated fuel is carried out during the lean burn operation of an engine with hydrogen fuel. SOLUTION: An exhaust gas passage is divided into a first passage and a second passage. Catalyst material of a group comprising Pt carrying alumina and Pt carrying CeZr system complex oxidant is disposed in the first passage. Catalyst material of a group comprising Pd carrying alumina, Rh carrying CeZr system complex oxidant, Rh carrying alumina, and Pd carrying CeZr system complex oxidant is disposed in the second passage. Exhaust gas flows preferentially in the first passage when the lean burn operation is performed with hydrogen fuel and temperature of exhaust gas is not higher than a predetermined temperature, and the exhaust gas flows preferentially in the second passage when stoichiometric operation is performed with gasoline fuel. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在具有氢燃料的发动机的稀燃操作期间执行蒸发燃料的吹扫，也可以防止排放物的劣化。排气通道分为第一通道和第二通道。包含载有氧化铝的Pt和携带CeZr体系复合氧化剂的Pt的催化剂材料设置在第一通道中。包含载有Pd的氧化铝，Rh携带CeZr体系复合氧化剂，携带Rh的氧化铝和携带CeZr体系的复合氧化剂的Pd的催化剂材料设置在第二通道中。当利用氢燃料进行稀燃操作并且排气的温度不高于预定温度时，排气优先在第一通道中流动，并且当用汽油燃料进行化学计量操作时，废气优先流过第二通道。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010075835A Exhaust gas treatment catalyst 审中-公开
标题翻译：排气处理催化剂
公开(公告)号：JP2010075835A
公开(公告)日：2010-04-08
申请号：JP2008246739
申请日：2008-09-25
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , SHIGETSU MASAHIKO , KAWABATA HISAYA
IPC分类号： B01J23/63 , B01D53/94 , B01J23/42 , B01J23/44 , B01J23/46 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To efficiently treat exhaust gas in a wide temperature range of from low to high exhaust gas temperature. SOLUTION: The exhaust gas treatment catalyst includes a first catalyst part 61 and a second catalyst part 62; and the first catalyst part 61 contains at least one kind of materials selected from the group A comprising Pt-supporting alumina and Pt-supporting CeZr type composite oxides and the second catalyst part 62 contains at least one kind of material selected from a group B consisting Pd-supporting alumina and Rh-supporting CeZr type composite oxides and at least one kind of materials selected from the group C comprising Rh-supporting alumina and Pd-supporting CeZr type composite oxides. At least a portion of the first catalyst part 61 is installed upstream of the second catalyst part 62 in the exhaust gas flow direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在低排放气体温度范围内有效地处理废气。解决方案：废气处理催化剂包括第一催化剂部分61和第二催化剂部分62; 第一催化剂部61含有选自由Pt负载氧化铝和Pt负载型CeZr型复合氧化物组成的A组中的至少一种材料，第二催化剂部62含有选自B组中的至少一种材料， Pd负载氧化铝和Rh负载CeZr型复合氧化物和选自包括Rh负载氧化铝和Pd负载CeZr型复合氧化物的C组中的至少一种材料。第一催化剂部61的至少一部分在废气流动方向上安装在第二催化剂部62的上游。版权所有（C）2010，JPO＆INPIT

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