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1. 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。

2. 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。

3. 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

4. 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

5. 发明专利

JP2011036824A Catalyst for cleaning exhaust, and method of producing the same 有权
标题翻译：用于清洁排气的催化剂及其生产方法
公开(公告)号：JP2011036824A
公开(公告)日：2011-02-24
申请号：JP2009188557
申请日：2009-08-17
申请人： Mazda Motor Corp , マツダ株式会社
发明人： AKAMINE MASAAKI , TAKAYAMA OSAMU
IPC分类号： B01J23/58 , B01D53/94 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To improve the exhaust-cleaning capacity of a catalyst for cleaning exhaust, including catalytic metal and powder of a Ce-Zr type complex oxide.
SOLUTION: The catalyst for cleaning exhaust includes a catalyst layer 2 that is disposed on a support 1 and comprises catalytic metal, powder of a Ce-Zr type complex oxide, and a binder comprising an inorganic oxide. The catalyst layer 2 includes alkali metal that is integrated to the particles of the powder of the Ce-Zr type complex oxide in a manner of being supported on the particle surface thereof and is unevenly distributed on the powder of the Ce-Zr type complex oxide, with the catalytic metal and the alkali metal disposed close to each other on the surface of the particles of the powder of the Ce-Zr type complex oxide.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高用于清洁排气的催化剂（包括催化金属和Ce-Zr型复合氧化物粉末）的排气净化能力。解决方案：用于清洁废气的催化剂包括催化剂层2，催化剂层2设置在载体1上并包含催化金属，Ce-Zr型复合氧化物的粉末和包含无机氧化物的粘合剂。催化剂层2包括与Ce-Zr型复合氧化物的粉末颗粒一体化的碱金属，其负载在其颗粒表面上，并且不均匀地分布在Ce-Zr型复合氧化物的粉末上催化金属和碱金属在Ce-Zr型复合氧化物粉末的表面上彼此靠近配置。版权所有（C）2011，JPO＆INPIT

6. 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

7. 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

8. 发明专利

JP2009299671A Exhaust emission control device 审中-公开
标题翻译：排气排放控制装置
公开(公告)号：JP2009299671A
公开(公告)日：2009-12-24
申请号：JP2008158509
申请日：2008-06-17
申请人： Mazda Motor Corp , マツダ株式会社
发明人： YAMASE SHODAI , MURAKAMI HIROSHI , KAWABATA HISAYA , AKAMINE MASAAKI
IPC分类号： F01N3/24 , B01D53/94 , F01N3/20 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provided an exhaust emission control device capable of compatibly improving purification performances by making exhaust gas turbulent and preventing increase of back pressure. SOLUTION: This device is provided with a first exhaust pipe part 11 including a first exhaust port 11a connected to an exhaust gas introduction part of a catalytic converter 30 and introducing exhaust gas to a honeycomb carrier through the first exhaust port at a position substantially on a center axis of the honeycomb carrier 32, a second exhaust pipe part 12 including a second exhaust port 12a connected to the introduction part and introducing exhaust gas to the honeycomb carrier through the second exhaust port at a position isolated from the center axis of the honeycomb carrier 32, a valve 20 changing ratio of quantity of exhaust gas passing through the first exhaust pipe part and quantity of exhaust gas passing through the second exhaust pipe part, and a control means 40 controlling the valve. The control means controls the valve so as to make exhaust gas pass through the second exhaust pipe part when temperature of the exhaust gas is not higher than prescribed threshold temperature. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过使废气湍流并防止背压增加而兼容地提高净化性能的废气排放控制装置。解决方案：该装置设置有第一排气管部分11，其包括连接到催化转化器30的废气引入部分的第一排气口11a，并且通过第一排气口将排气引入蜂窝承载件基本上在蜂窝载体32的中心轴线上，第二排气管部分12，其包括连接到引入部分的第二排气口12a，并且通过第二排气口将排气引导到蜂窝载体上，蜂窝载体32，阀20通过第一排气管部分的排气量的变化率和通过第二排气管部分的废气量，以及控制阀的控制装置40。当废气的温度不高于规定的阈值温度时，控制装置控制阀门，使废气通过第二排气管部分。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009162145A Catalyst device for purification of exhaust gas 审中-公开
标题翻译：用于净化排气的催化装置
公开(公告)号：JP2009162145A
公开(公告)日：2009-07-23
申请号：JP2008001480
申请日：2008-01-08
申请人： Mazda Motor Corp , マツダ株式会社
发明人： KAWABATA HISAYA , AKAMINE MASAAKI , SHIGETSU MASAHIKO
IPC分类号： F01N3/24 , B01D53/94
摘要： PROBLEM TO BE SOLVED: To restrain unpurified HC from being discharged to the atmosphere at the cooling of an engine. SOLUTION: An HC adsorption type catalyst 4 having a zeolite-based HC absorption material layer 7 and three-dimensional catalyst layers 8, 9 is provided in an exhaust gas passage, and a Zr-based basic composite oxide layer 6 containing alkaline earth metal is arranged in the exhaust gas passage on an upstream side of the HC adsorption type catalyst 4. COPYRIGHT: (C)2009,JPO&INPIT

10. 发明专利

JP2008267177A Exhaust emission control device 有权
标题翻译：排气排放控制装置
公开(公告)号：JP2008267177A
公开(公告)日：2008-11-06
申请号：JP2007107831
申请日：2007-04-17
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： F01N3/08 , B01D53/86 , B01D53/94 , F01N3/20 , F01N3/36
摘要： PROBLEM TO BE SOLVED: To improve the cleaning efficiency of exhaust gas at the cold start of an engine. SOLUTION: A three way catalyst 3 and an NOx adsorbing catalyst 4 are arranged in an exhaust passage 2 so that the three way catalyst is arranged in an upstream side and the NOx catalyst is arranged at a downstream side. When an air-fuel ratio of an exhaust gas is rich, active oxygen (ozone) is supplied to the three-way catalyst 3. When the air-fuel ratio of the exhaust gas is lean, the active oxygen is supplied from the downstream side of the three-way catalyst 3 to the NO x occlusion catalyst 4. COPYRIGHT: (C)2009,JPO&INPIT

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