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1. 发明专利

JP2011212508A Catalyst for purification of exhaust gas 有权
标题翻译：催化剂用于净化排气
公开(公告)号：JP2011212508A
公开(公告)日：2011-10-27
申请号：JP2010080140
申请日：2010-03-31
申请人： Cataler Corp , Daihatsu Motor Co Ltd , Toyota Central R&D Labs Inc , Toyota Motor Corp , ダイハツ工業株式会社 , トヨタ自動車株式会社 , 株式会社キャタラー , 株式会社豊田中央研究所
发明人： SAKAGAMI SHINGO , KAWAI MASAAKI , ORI HIROTAKA , KANAZAWA TAKAAKI , YOSHIDA TAKESHI , SUNADA TOMOAKI , AOKI HISAO , TAKAHASHI NAOKI , TANABE TOSHITAKA , TANAKA HIROHISA , UENISHI MARI , TANIGUCHI MASASHI
IPC分类号： B01J35/04 , B01D53/94 , B01J23/63 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To enable reduction of the pressure loss of exhaust gas in a catalyst for purification of exhaust gas.SOLUTION: A catalyst 1 for purification of exhaust gas includes a catalyst 12F in which the thickness decreases from the position of an end surface Eto the position P1 and a catalyst layer 12R in which the thickness decreases from the position of an end surface Eto the position P2. The ratio of the difference d-dbetween the minimum thickness dof the catalyst layer 12F at the position of the end surface Eand the minimum thickness dof the catalyst layer 12F at the middle position PM to the minimum diameter R of a through-hole TH, or (d-d)/R, is 0.01-0.06, and the ratio of the difference d-dbetween the minimum thickness dof the catalyst layer 12R at the position of the end surface Eto the minimum thickness dof the catalyst layer 12R at the middle position PM to the minimum diameter R, or (d-d)/R, is 0.01-0.06.
摘要翻译：要解决的问题：为了能够降低废气净化用催化剂中的废气的压力损失。解决方案：用于净化废气的催化剂1包括催化剂12F，其中厚度从端面的位置减小到位置P1和催化剂层12R，其中厚度从端面E的位置减小到位置P2。在中间位置PM处的催化剂层12F与通孔TH的最小直径R之间的端面E的位置处的催化剂层12F的最小厚度与最小厚度之间的差d-d的比率，或（dd）/ R为0.01-0.06，并且在端部表面E的位置处的催化剂层12R的最小厚度与最小厚度之间的差d-d与在中间位置PM处的催化剂层12R的比d 最小直径R或（dd）/ R为0.01-0.06。

2. 发明专利

JP2010227804A Exhaust gas purifying catalyst 审中-公开
标题翻译：排气净化催化剂
公开(公告)号：JP2010227804A
公开(公告)日：2010-10-14
申请号：JP2009077408
申请日：2009-03-26
申请人： Cataler Corp , Daihatsu Motor Co Ltd , Toyota Central R&D Labs Inc , Toyota Motor Corp , ダイハツ工業株式会社 , トヨタ自動車株式会社 , 株式会社キャタラー , 株式会社豊田中央研究所
发明人： AOKI HISAO , KANAZAWA TAKAAKI , YOSHIDA TAKESHI , SUNADA TOMOAKI , TANABE TOSHITAKA , TAKAHASHI NAOKI , TANAKA HIROHISA , UENISHI MARI , TANIGUCHI MASASHI , SAKAGAMI SHINGO , KAWAI MASAAKI , ORI HIROTAKA
IPC分类号： B01J23/58 , B01D53/94 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas purifying catalyst which controls migration of rhodium(Rh) to a lower layer and sintering and exerts high NO
x purifying performance over a wide temperature range including high-temperature ranges.
SOLUTION: The catalyst includes the first catalyst layer with platinum and/or palladium supported and the second catalyst layer in which rhodium is supported in a support containing alumina solid-dissolved with lanthanum oxide and ceria zirconia sold-dissolved with lanthanum oxide in a ratio of the lanthanum oxide to the total mass of the support of 1-7 mass%, in this order from the side of the supporting substrate, on a supporting substrate.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种废气净化催化剂，其控制铑（Rh）向下层的迁移，并在宽的温度范围内进行烧结并施加高的NOS SB xS / SB净化性能，包括高温度范围。解决方案：催化剂包括具有铂和/或钯负载的第一催化剂层，以及第二催化剂层，其中铑负载在含有氧化铝固体的载体中，所述氧化铝与氧化镧和与氧化镧出售的氧化铈氧化物一起溶解在支撑基板上，从支撑基板一侧依次为1〜7质量％的氧化镧与总支撑体的比例。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010069380A Catalyst for cleaning exhaust gas 审中-公开
标题翻译：催化剂用于清洁排气
公开(公告)号：JP2010069380A
公开(公告)日：2010-04-02
申请号：JP2008237680
申请日：2008-09-17
申请人： Cataler Corp , Daihatsu Motor Co Ltd , Toyota Central R&D Labs Inc , Toyota Motor Corp , ダイハツ工業株式会社 , トヨタ自動車株式会社 , 株式会社キャタラー , 株式会社豊田中央研究所
发明人： TANAKA HIROHISA , UENISHI MARI , TANIGUCHI MASASHI , KANAZAWA TAKAAKI , YOSHIDA TAKESHI , SUNADA TOMOAKI , AOKI HISAO , TAKAHASHI NAOKI , TANABE TOSHITAKA , SAKAGAMI SHINGO , KAWAI MASAAKI , ORI HIROTAKA
IPC分类号： B01J23/58 , B01D53/94 , F01N3/10 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning an exhaust gas capable of exhibiting excellent catalytic activity for a long period of time under a high temperature or an oxidation-reduction variation. SOLUTION: In the catalyst for cleaning the exhaust gas provided with an upper layer and a lower layer, a first heat-resistant composite oxide containing rhodium and alumina not containing lanthanum are incorporated into the upper layer. A second heat-resistant composite oxide containing platinum and/or palladium and alumina containing lanthanum are incorporated into the lower layer, and rhodium is not incorporated thereinto. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在高温或氧化还原变化下长时间显示出优异的催化活性的排气净化催化剂。解决方案：在用于清洁设置有上层和下层的废气的催化剂中，含有铑和不含镧的氧化铝的第一耐热复合氧化物被并入上层。包含含有镧的铂和/或钯和氧化铝的第二耐热复合氧化物被并入下层中，并且不将铑引入其中。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009273988A Catalyst for cleaning exhaust gas 审中-公开
标题翻译：催化剂用于清洁排气
公开(公告)号：JP2009273988A
公开(公告)日：2009-11-26
申请号：JP2008126247
申请日：2008-05-13
申请人： Cataler Corp , Daihatsu Motor Co Ltd , Toyota Central R&D Labs Inc , Toyota Motor Corp , ダイハツ工業株式会社 , トヨタ自動車株式会社 , 株式会社キャタラー , 株式会社豊田中央研究所
发明人： KANAZAWA TAKAAKI , YOSHIDA TAKESHI , SUNADA TOMOAKI , AOKI HISAO , TANABE TOSHITAKA , TAKAHASHI NAOKI , TANAKA HIROHISA , UENISHI MARI , TANIGUCHI MASASHI , SAKAGAMI SHINGO , KAWAI MASAAKI , ORI HIROTAKA
IPC分类号： B01J27/055 , B01D53/94 , F01N3/10
摘要： PROBLEM TO BE SOLVED: To develop a high ternary activity even after a durable period of service, in a ternary catalyst with an upstream catalytic layer 2 and a downstream catalytic layer 3 supporting a mutually different precious metal. SOLUTION: The upstream catalytic layer includes Pd and Ba without the content of CeO 2 and the downstream catalytic layer includes CeO 2 and Rh. Although the reason is unknown, the deterioration of the cleaning activity of HC and NO x is inhibited and even after the durable period of service, the emissions of HC and NO x can be inhibited. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使在耐久的使用期限之后，在具有上游催化剂层2和支撑相互不同的贵金属的下游催化剂层3的三元催化剂中也发展高的三元活性。解决方案：上游催化剂层包括不含CeO 2 SBB的含量的Pd和Ba，下游催化层包括CeO 2 SBB和Rh。虽然原因尚不清楚，HC和NO x 的清洁活性的劣化被抑制，即使在耐用的使用期后，HC和NO x 的排放可以被禁止。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2007301526A Catalyst for cleaning exhaust gas and its manufacturing method 审中-公开
标题翻译：用于清洁排气的催化剂及其制造方法
公开(公告)号：JP2007301526A
公开(公告)日：2007-11-22
申请号：JP2006135081
申请日：2006-05-15
申请人： Toyota Central Res & Dev Lab Inc , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社豊田中央研究所
发明人： MORIKAWA AKIRA , TANABE TOSHITAKA , TAKAHASHI NAOKI , YOSHIDA TAKESHI , SATO AKEMI
IPC分类号： B01J23/63 , B01D53/94 , F01N3/10
CPC分类号： B01D53/944 , B01D2255/1021 , B01D2255/1023 , B01D2255/1025 , B01D2255/204 , B01D2255/2047 , B01D2255/206 , B01D2255/20715 , B01D2255/2092 , B01D2255/90 , B01D2255/904 , B01D2255/9207 , B01J23/63 , B01J35/002 , F01N3/0857 , F01N3/2803 , F01N2370/02 , Y02T10/20
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for cleaning exhaust gas, in which the degradation of Rh is restrained satisfactorily and which has excellent low-temperature performance. SOLUTION: The catalyst for cleaning exhaust gas is manufactured by using a catalyst component A, which is obtained by depositing Rh on a catalytic carrier for depositing Rh and has 25-60 μmol g -1 CO 2 adsorption capacity per unit weight and 0.2-2.3 μmol m -2 g 1 CO 2 adsorption capacity per unit specific surface area, a catalyst component B and a binder. This catalyst is characterized in that the CO 2 adsorption capacity per unit weight is 18-60 μmol g -1 and the CO 2 adsorption capacity per unit specific surface area is 0.2-2.5 μmol m -2 g 1 and the ratio of (the CO 2 adsorption capacity per unit weight of this catalyst)/(the CO 2 adsorption capacity per unit weight of the catalyst component A) is ≥75%. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种清洁排气的催化剂，其中Rh的降解令人满意地被抑制并且具有优异的低温性能。解决方案：通过使用催化剂组分A制备用于清洁废气的催化剂，催化剂组分A通过在用于沉积Rh的催化载体上沉积Rh而获得，并且具有25-60μmol/ 每单位重量的吸附容量和0.2-2.3μmol/ s的吸附容量 2 2 比表面积，催化剂组分B和粘合剂。该催化剂的特征在于每单位重量的CO 2 吸附容量为18-60μmol·g·SP·-1·/ 单位比表面积为0.2-2.5μmol·m·SP＆gt;＆lt; SP＆gt;＆lt; SP＆gt; 1＆lt; / SP＆gt;（每单位重量的CO 2 催化剂）/（催化剂组分A）每单位重量的CO 2 吸附容量≥75％。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2000279810A CATALYST FOR CLEANING OF EXHAUST GAS 失效
公开(公告)号：JP2000279810A
公开(公告)日：2000-10-10
申请号：JP8901199
申请日：1999-03-30
申请人： TOYOTA MOTOR CORP
发明人： YOSHIDA TAKESHI , UENO HIDEAKI , IKEDA YASUO , SENDA KOJI
IPC分类号： B01D53/94 , B01J23/54 , B01J23/58 , F01N3/08 , F01N3/24 , F01N3/28
摘要： PROBLEM TO BE SOLVED: To improve durability by controlling a drop of a NOx-occluding capacity in the case of using an alkali metal as a NOx-occluding element. SOLUTION: This catalyst contains a base material, a catalyst-carrying layer covered on a surface of the base material, and a noble metal and an alkali metal which are supported by the catalyst-carrying layer. In this case, silicon is contained in a porous oxide particle of the catalyst-carrying layer. The alkali metal is allowed to react with the silicon and held in the catalyst- carrying layer. Thereby, the alkali metal is inhibited from transferring into a cordierite-made base material.

7. 发明专利

JP2000026122A PRODUCTION OF COMPLEX METAL OXIDE 失效
公开(公告)号：JP2000026122A
公开(公告)日：2000-01-25
申请号：JP19336498
申请日：1998-07-08
申请人： TOYOTA MOTOR CORP
发明人： YOSHIDA TAKESHI , OGURA YOSHITSUGU
IPC分类号： C01G23/00 , B01J21/06 , B01J32/00
摘要： PROBLEM TO BE SOLVED: To produce Al-Ti comlex oxide having a sufficiently uniform compsn. in an easy and stable manner. SOLUTION: A substd. aluminum alkoxide obtd. by substituting a chelating agent for an alkoxyl group of an aluminum alkoxide is mixed with a titanium alkoxide in an org. solvent to prepare a soln., the alkoxides are hydrolyzed and drying and firing are carried out. Since the substd. aluminum alkoxide and the titanium alkoxide are hydrolyzed at about the same rate, the formation of free Al2O3, is suppressed and the objective uniform Al-Ti complex oxide is produced.

8. 发明专利

JPH10258232A CATALYST FOR EXHAUST GAS PURIFICATION AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH10258232A
公开(公告)日：1998-09-29
申请号：JP27764997
申请日：1997-10-09
申请人： TOYOTA MOTOR CORP
发明人： OGURA YOSHITSUGU , YOSHIDA TAKESHI
IPC分类号： B01D53/86 , B01D53/94 , B01J20/04 , B01J23/42 , B01J23/48 , B01J23/58 , B01J23/89 , B01J33/00 , B01J35/02
摘要： PROBLEM TO BE SOLVED: To further improve the durability by increasing the inhibitive effects upon the poisoning of an occlusion material by sulfur and at the same time, inhibiting the sintering of a catalytic noble metal, in an occlusion reduction-type catalyst. SOLUTION: This catalyst for exhaust gas purification comprises a core part 10 made up of a first carrier and an NOx occlusion material contained in the first carrier and a catalyst carrying layer 11 made up of a second carrier and a catalytic noble metal contained in the second carrier and formed on the surface of the core part 10. SOx is prevented from reaching the core part 10 by the catalyst carrying layer 11 and the sintering of the catalytic noble metal is prevented from occurring as the NOx occlusion material is separated from the catalytic noble metal.

9. 发明专利

JPH09248457A HIGH HEAT-RESISTANCE CATALYST 失效
公开(公告)号：JPH09248457A
公开(公告)日：1997-09-22
申请号：JP6088896
申请日：1996-03-18
申请人： TOYOTA MOTOR CORP
发明人： YOSHIDA TAKESHI
IPC分类号： B01D53/86 , B01D53/94 , B01J23/38 , B01J23/42 , B01J23/63
摘要： PROBLEM TO BE SOLVED: To obtain a catalyst enhanced in heat resistance in a high oxygen concn: atmosphere and excellent in high temp. durability by constituting amorphous composite oxide of alumina, titanium oxide and a catalyst noble metal element as a high heat-resistance catalyst. SOLUTION: Alumina and titanium oxide are mixed in a mol ratio of about 1/100-1/2 and a catalyst norble metal element such as platinum or rhodium is added to the resulting mixture in an amt. of about 20wt.% or less in terms of metal and these three components constitute amorphous composite oxide. By this method, the catalyst noble metal element is widely dispersed in alumina and titanium oxide large in specific surface area and heat resistance is enhanced and sintering at high temp. is hard to generate and, therefore, high ternary activity is obtained after high temp. endurance. If cerium oxide is mixed in addition to these three components, fluctuations of an air/fuel ratio condition are absorbed by oxygen occluding/discharge action of cerium and ternary activity in the vicinity of stoichiometry is enhanced.

10. 发明专利

JPH0724316A PRODUCTION OF CATALYST CARRIER 失效
公开(公告)号：JPH0724316A
公开(公告)日：1995-01-27
申请号：JP17330493
申请日：1993-07-13
申请人： TOYOTA MOTOR CORP
发明人： YOSHIDA TAKESHI , MURACHI MIKIO , TAGUCHI MICHIO
IPC分类号： B01D53/86 , B01D53/94 , B01J23/02 , B01J23/58 , B01J32/00 , B01J35/04
摘要： PURPOSE:To enhance the catalytic capacity by uniformly dispersing and arranging catalyst main body on the surface of a catalyst carrier to increase the specific surface area of the catalyst carrier by producing the catalyst carrier by reacting a metal alkoxide mixture containing alkoxide represented by a specific formula by a sol-gel method. CONSTITUTION:In a catalyst device for purifying the exhaust gas of a car, fine particles of a noble metal are dispersed and arranged on the surface of a porous catalyst carrier having a large surface area as a catalyst main body. In this case, the catalyst carrier is produced by reacting a metal alkoxide mixture containing at least alkoxide represented by formula R-Me-O-Al-(OR')2 (wherein R is an org. group, Me is at least one element selected from alkali metal and alkaline earth metal, R' is an alkyl group and the number of carbon atoms of R and R' is R#R'') by a sol-gel method. By this method, the catalyst main body is uniformly dispersed and arranged on the surface of the catalyst carrier and the specific surface area of the carrier is increased to enhance the catalytic capacity.

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