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71. 发明专利

JPH02177955A EXPOSURE EXPERIMENT DEVICE FOR ANIMAL 失效
公开(公告)号：JPH02177955A
公开(公告)日：1990-07-11
申请号：JP33268188
申请日：1988-12-28
申请人： TOYOTA CENTRAL RES & DEV
发明人： YAMADA KATSUHITO , OSHIMA MASUJI , MIYASHITA MASANORI , MATSUSHIMA SATORU , YOKOTA KOJI
IPC分类号： A61D7/00 , A61D7/04
摘要： PURPOSE:To stably supply organic solvent gas for a long time with uniform gas concentration by detecting the gas concentration in an exposure chamber, successively controlling the necessary quantity of solvent injection according to an injection period and injection time with this gas concentration as a feedback signal, evaporating injected solvent by a heater, completely gasifying the solvent and executing the dilution and mixing of fresh air. CONSTITUTION:Experimental animals in exposure chambers A1, A2 and A3 are kept in a suitable breeding environment by ventilation air, which is adjusted by a normal ventilation fan 119, damper 120 and rectifier 108, and a flush toilet 109. When exposure gas is supplied, the solvent injection quantity calculated by a controller II corresponding to the solvent gas concentration in the exposure chamber detected by a gas concentration detector I is injected by solvent injection devices 40a and 40b. Then, this solvent is evaporated in a gasification container 44 and made into the organic solvent gas. The organic solvent gas is diluted and mixed with the ventilation air to the prescribed exposure gas concentration by a throttle device 105 of a gasification device IV and the experimental animals in the exposure chambers are exposed. Thus, the uniform gas is supplied stably into the exposure chamber.

72. 发明专利

JP2006272288A Catalyst for purifying diesel exhaust gas 审中-公开
标题翻译：用于净化柴油机排气的催化剂
公开(公告)号：JP2006272288A
公开(公告)日：2006-10-12
申请号：JP2005099870
申请日：2005-03-30
申请人： Toyota Central Res & Dev Lab Inc , 株式会社豊田中央研究所
发明人： YAMAZAKI KIYOSHI , IWASAKI MASAOKI , YOKOTA KOJI , SAKANO KOJI
IPC分类号： B01J23/89 , B01D46/00 , B01D46/42 , B01D53/94 , B01J35/04 , F01N3/02 , F01N3/10 , F01N3/24 , F01N3/28
CPC分类号： B01J37/0244 , B01D53/9422 , B01D53/944 , B01D2255/202 , B01D2255/204 , B01D2255/20738 , B01D2255/407 , B01D2255/91 , B01D2255/9155 , B01D2258/012 , B01J23/894 , F01N3/0814 , F01N3/0842 , F01N2510/06 , F01N2570/14 , Y02A50/2344
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for purifying diesel exhaust gas capable of suppressing malfunction due to sulfur component in exhaust gas and furthermore improving a purification performance of PM and NO x . SOLUTION: A catalyst layer which consists of: a coat layer comprising an oxide carrier including iron oxide and ceria type oxide; and at least one kind of NO x absorber selected from noble metal deposited on the coat layer, alkali metal and alkali earth metal is formed on cell barrier walls of filter base material of a wall-flow structure. Oxygen released from the iron oxide and ceria type oxide is efficiently supplied to PM and, at the same time, PM is efficiently oxidized and purified by NO 2 released from the NO x absorber. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制由于排气中的硫成分引起的故障的柴油机废气的净化用催化剂，进一步提高PM和NOS SB的净化性能。解决方案：一种催化剂层，其由以下组成：包含氧化物载体的涂层，所述氧化物载体包括氧化铁和二氧化铈型氧化物; 选自沉积在涂层上的贵金属，碱金属和碱土金属的至少一种NOS / SBS吸收剂形成在壁流结构的过滤器基材的隔壁上。从氧化铁和二氧化铈型氧化物释放的氧被有效地供给到PM中，同时，通过从NO x 释放的NO 2 有效地氧化和净化PM。吸收。版权所有（C）2007，JPO＆INPIT

73. 发明专利

JP2005125317A Oxygen storing/release material 有权
标题翻译：氧气储存/释放材料
公开(公告)号：JP2005125317A
公开(公告)日：2005-05-19
申请号：JP2004284619
申请日：2004-09-29
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： HATANAKA YOSHIO , YOKOTA KOJI , SOFUGAWA HIDEO , SUDA AKIHIKO , MORIKAWA AKIRA , YAMAMOTO TOSHIO , ARAKAWA KENJI , KUNO HISASHI
IPC分类号： B01J20/06 , B01J23/745 , B01J32/00
摘要： PROBLEM TO BE SOLVED: To provide an oxygen storing/release material which can develop a high level of oxygen storing/release capability without use of any noble metal such as Pt and, at the same time, is inexpensive. SOLUTION: This oxygen storing/release material comprises a ceria-containing carrier and iron oxide as active species contained in the carrier. A reduction reaction of Fe 2 O 3 occurs at a lower temperature than a reduction reaction of CeO 2 . Prior to CeO 2 , Fe 2 O 3 is reduced to Fe 3 O 4 , FeO or Fe, and, in a reducing atmosphere, oxygen transfer from the carrier to the active species "Fe" is accelerated. In an oxidizing atmosphere, independently of the presence of the active species, an oxidation reaction of the active species and the carrier proceeds very rapidly, and the carrier, in which the amount of oxygen is insufficient, takes in oxygen from the atmosphere. Further, the oxygen storing/release capability of the iron oxide per se is also added, and, consequently, a high level of oxygen storing/release capability can be developed. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以在不使用任何贵金属如Pt的情况下产生高水平的氧气储存/释放能力的氧气储存/释放材料，并且同时是便宜的。解决方案：该氧气储存/释放材料包含载体中含有的含有二氧化铈的载体和氧化铁作为活性物质。在比CeO SB 2还原反应更低的温度下进行Fe O 3 的还原反应。在CeO 2 之前，将Fe 2 3 还原成Fe 3 SB SB > FeO或Fe，并且在还原气氛中，从载体向活性物质“Fe”的氧转移加速。在氧化气氛中，与活性物质的存在无关，活性物质和载体的氧化反应非常迅速地进行，氧气量不足的载体从大气中吸收氧气。此外，还添加氧化铁本身的氧气储存/释放能力，因此，可以开发高水平的氧气储存/释放能力。版权所有（C）2005，JPO＆NCIPI

74. 发明专利

JP2002095966A CATALYST FOR CO SHIFT REACTION 失效
公开(公告)号：JP2002095966A
公开(公告)日：2002-04-02
申请号：JP2000291981
申请日：2000-09-26
申请人： TOYOTA CENTRAL RES & DEV
发明人： YAMAZAKI KIYOSHI , YOKOTA KOJI , HIRABAYASHI TAKESHI
IPC分类号： C01B3/48 , B01J23/42 , B01J32/00 , C10K3/02 , H01M8/06
摘要： PROBLEM TO BE SOLVED: To provide a practical catalyst that exhibits especially high CO shift reactivity in the low-temperature region favorable to the shift of CO to H2 from the equilibrium theory. SOLUTION: This catalyst is constituted of a support in which at least one oxide selected from titania, silica, and zirconia is interspersed as a binder in a rutile titania powder and a noble metal supported by mainly rutile titania. The catalyst supported by a noble metal in rutile titania has high CO shift reactivity and can be prevented from being deteriorated in its CO shift reactivity by being converted into a honeycomb catalyst or a pellet catalyst by using at least one oxide selected from titania, silica, and zirconia as a binder.

75. 发明专利

JP2001276620A CATALYST FOR REFORMING HYDROCARBON 失效
公开(公告)号：JP2001276620A
公开(公告)日：2001-10-09
申请号：JP2000098911
申请日：2000-03-31
申请人： TOYOTA CENTRAL RES & DEV
发明人： YOKOTA KOJI , FUKUI MASAYUKI , TANAKA TOSHIYUKI , SUDA AKIHIKO , YAMAMOTO TOSHIO
IPC分类号： C01B3/40 , B01J23/46
摘要： PROBLEM TO BE SOLVED: To provide a catalyst for reforming hydrocarbon by which side reactions such as carbon deposition and the formation of methane is suppressed even after the elapse of a long time and high conversion of hydrocarbon, which is not attained in the conventional technique, is attained. SOLUTION: The catalyst is for converting a hydrocarbon to carbon monoxide and hydrogen by mixing air and/or steam with the hydrocarbon and is constituted of a rhodium and a spinel which is expressed by a chemical formula, MgO.xAl2O3 (X=0.8-1.0) and in which the crystal structure of Al2O3 is not present substantially.

76. 发明专利

JP2001012233A CATALYST DETERIORATION PREDICTION DEVICE 失效
公开(公告)号：JP2001012233A
公开(公告)日：2001-01-16
申请号：JP18589499
申请日：1999-06-30
申请人： TOYOTA CENTRAL RES & DEV
发明人： BABA NAOKI , YOKOTA KOJI , MATSUNAGA SHINICHI , KOJIMA SHINJI , OSAWA KATSUYUKI
IPC分类号： G01N33/00 , B01J23/38 , F01N3/20 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide a deterioration prediction method of a catalyst free to use for selection of an optimum catalyst suitable for various using environments. SOLUTION: A deteriorating state of a catalyst is predicted by computing a catalyst temperature distribution (n+1) and an oxygen density distribution (n+1) in accordance with a catalyst precious metal grain diameter distribution (n) and a reaction rate distribution (n), computing the catalyst precious metal particle size distribution (n+1) in accordance with them and a poisoning quantity distribution (n+1), computing a frequency factor distribution (n+1) in accordance with this and the poisoning quantity distribution (n+1) and computing the reaction rate distribution (n+1) in accordance with this.

77. 发明专利

JP2000291423A CATALYST DETERIORATION DETERMINING DEVICE 失效
公开(公告)号：JP2000291423A
公开(公告)日：2000-10-17
申请号：JP10117299
申请日：1999-04-08
申请人： TOYOTA CENTRAL RES & DEV , TOYOTA MOTOR CORP
发明人： UEDA MATSUE , ASANO AKIHIKO , SAKANO KOJI , YOKOTA KOJI , KONDO TERUAKI , KIBE KAZUYA
IPC分类号： F02B77/08 , F01N3/20 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To easily and precisely determine a catalyst deterioration device for determining the deterioration of a catalyst. SOLUTION: This catalyst deterioration determining device 1 determines deterioration of a catalytic converter 2 provided on an exhaust system of an internal combustion engine. The catalyst deterioration determining device 1 has an outlet gas temperature detection means 11 for detecting outlet gas temperature of the catalytic converter 2, a dummy catalyst exhaust gas temperature estimating means 12 for estimating dummy catalyst exhaust gas temperature, and a deterioration determining mean 13 for determining the deterioration of the catalyst based on the outlet gas temperature detected by the outlet gas temperature detection means and the dummy catalyst exhaust gas temperature estimated by the dummy catalyst exhaust gas temperature estimating means. The dummy catalyst exhaust gas temperature is the outlet gas temperature, when the catalytic converter 2 is assumed to be a dummy catalyst which does not actually carry catalyst.

78. 发明专利

JPH11262666A NITROGEN OXIDES CLEANING CATALYST 失效
公开(公告)号：JPH11262666A
公开(公告)日：1999-09-28
申请号：JP7040598
申请日：1998-03-19
申请人： TOYOTA CENTRAL RES & DEV
发明人： KIZAKI YOSHIMI , SAKAMOTO TOSHIYUKI , MOTOHIRO TOMOMI , OKUMURA KOHEI , SHINJO HIROBUMI , YOKOTA KOJI , SUDA AKIHIKO , TERAO NAOHIRO
IPC分类号： B01D53/94 , B01J23/89
摘要： PROBLEM TO BE SOLVED: To efficiently remove nitrogen oxides even with a small quantity of a noble metal element and a hydrocarbon(HC) by constantly keeping the surface of a catalyst oxygen-free and using the noble metal element to reduce only oxygen generated by decomposing and dissociating nitrogen oxides. SOLUTION: The catalyst is constituted so as to have a double layer structure of a 1st catalyst layer 1, which uses a material having large oxygen occluding rate and on the surface of which the noble metal 3 is carried, and a 2nd catalyst layer formed to almost or fully cover the surface of the 1st catalyst layer except the surface, on which the noble metal is carried. As a result, the action of the noble metal, is drawn at most even in a small quantity and nitrogen oxides are efficiently removed even in an excessive oxygen atmosphere.

79. 发明专利

JPH11223143A EXHAUST EMISSION CONTROL METHOD OF INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH11223143A
公开(公告)日：1999-08-17
申请号：JP2457398
申请日：1998-02-05
申请人： TOYOTA CENTRAL RES & DEV , HINO MOTORS LTD
发明人： YOKOTA KOJI , YAMADA KATSUNORI , MURAKAMI GIICHI
IPC分类号： F01N3/24 , F02D41/04
摘要： PROBLEM TO BE SOLVED: To control a ratio between an oxidation component and an oxidized component in exhaust gas without relying on a signal from an O2 sensor with high accuracy in a theoretical ratio, and remove a harmful component efficiently even when using natural gas etc., as a fuel. SOLUTION: Change in catalytic temperature at the time of changing a ratio between the oxidation component and oxidized component in exhaust gas flowing into catalyst is measured, and an air-fuel ratio is controlled in response to the ratio between the oxidation component and the oxidized component in the exhaust gas when the catalytic temperature becomes maximum. Catalyst outlet temperature becomes maximum in an air-fuel ratio in which the harmful component can be removed most efficiently in the catalyst, accurate control of air-fuel ratio can be carried out without using an O2 sensor, etc.

80. 发明专利

JPH09173782A EXHAUST PURIFYING METHOD AND DEVICE THEREFOR 失效
公开(公告)号：JPH09173782A
公开(公告)日：1997-07-08
申请号：JP1211896
申请日：1996-01-26
申请人： TOYOTA MOTOR CORP , TOYOTA CENTRAL RES & DEV
发明人： KINUGASA YUKIO , TAKAOKA TOSHIBUMI , IGARASHI KOHEI , ITO TAKAAKI , OHASHI MICHIHIRO , YOKOTA KOJI
IPC分类号： F01N3/08 , B01D53/56 , B01D53/86 , F01N3/10 , F01N3/22 , F01N3/24
摘要： PROBLEM TO BE SOLVED: To purify at a high efficiency HC, CO, MOx and NH3 components in exhaust. SOLUTION: In an exhaust path 2 of an engine 1 operated almost at the theoretical air fuel ratio, a ternary catalyst 3, a muffler 5 and a secondary air feeder 9 are arranged. On the downstream side of them, an ammonia decomposition catalyst 7 for purifying NH3 in exhaust in the specified temperature area of an oxidizing atmosphere, for converting NH3 in exhaust to NOx at temperature higher than that in the specified temperature area, and for passing NH3 in exhaust through it at temperature lower than that in the specified temperature range is arranged. HC, CO and NOx components in exhaust from the engine are purified by the ternary catalyst, and by passing the exhaust containing NH3 which a part of NOx is converted into form through a muffler, it is cooled to within the specified temperature range, and also it flows in the ammonia decomposition catalyst with air being fed by the secondary air feeder to make the oxidizing atmosphere prevail. In this way, NH3 in exhaust is purified by the ammonia decomposition catalyst.

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