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公开(公告)号：US06686305B1
公开(公告)日：2004-02-03
申请号：US10255725
申请日：2002-09-25
IPC分类号： C04B35057
CPC分类号： C04B35/44 , C04B35/6263 , C04B35/63 , C04B35/6303 , C04B35/634 , C04B35/6365 , C04B2235/3205 , C04B2235/3208 , C04B2235/3217 , C04B2235/3222 , C04B2235/6021 , C04B2235/786 , C04B2235/80 , C04B2235/9607
摘要： Methods of making ceramic bodies are disclosed. The methods include manufacturing calcium aluminate material having a low coefficient of thermal expansion.
摘要翻译： 公开了制造陶瓷体的方法。 该方法包括制造具有低热膨胀系数的铝酸钙材料。
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公开(公告)号：US06809051B2
公开(公告)日：2004-10-26
申请号：US10410326
申请日：2003-04-09
IPC分类号： C04B35057
CPC分类号： C04B35/6365 , C04B35/44 , C04B2235/3205 , C04B2235/3208 , C04B2235/3217 , C04B2235/3222 , C04B2235/6021 , C04B2235/79 , C04B2235/80 , C04B2235/9607 , Y10T428/24149
摘要： Compositions, articles and methods for making such articles are disclosed. The compositions, articles and methods include calcium aluminate materials having a low coefficient of thermal expansion.
摘要翻译： 披露了制作这些物品的组成，物品和方法。 组合物，制品和方法包括具有低热膨胀系数的铝酸钙材料。
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公开(公告)号：US06677272B2
公开(公告)日：2004-01-13
申请号：US09929915
申请日：2001-08-15
IPC分类号： B01J2104
CPC分类号： B01J23/745 , B01D53/02 , B01D53/9431 , B01D2253/104 , B01D2253/3425 , B01D2257/404 , B01J20/0211 , B01J20/0229 , B01J20/041 , B01J20/06 , B01J20/08 , B01J20/2803 , B01J20/28045 , B01J20/3042 , B01J20/3204 , B01J20/3236 , B01J21/04 , B01J21/10 , B01J23/002 , B01J2220/42 , B01J2523/00 , C04B35/443 , C04B35/478 , C04B38/0006 , C04B2111/00793 , C04B2111/0081 , C04B2235/3206 , C04B2235/3217 , C04B2235/3222 , C04B2235/3234 , C04B2235/3272 , C04B2235/6562 , C04B2235/6567 , C04B2235/77 , C04B2235/80 , C04B2235/96 , C04B2235/9607 , C04B38/0054 , C04B38/0074 , B01J2523/22 , B01J2523/47 , B01J2523/842 , B01J2523/31
摘要： A ceramic support element for a NOx trap which includes a NOx storage component comprising an alkali metal, the ceramic support having a composition lying within a ternary system selected from the group consisting of Al2TiO5—MgTi2O5—MgAl2O4 and Al2TiO5—FeTiO5—Al2O3, a coefficent of thermal expansion (22-800° C.) of less than 20×10−7/° C. and a modulus of rupture as measured on a solid rod of circular cross section of greater than 1000 pounds per square inch.
摘要翻译： 一种用于NOx捕集器的陶瓷支撑元件，其包括含有碱金属的NOx储存组分，所述陶瓷载体具有位于选自Al 2 TiO 5 -MgTi 2 O 5 -MgAl 2 O 4和Al 2 TiO 5 -FeTiO 5 -Al 2 O 3的三元体系中的组成，系数 的热膨胀（22-800℃）小于20×10 -7 /℃，并且在大于1000磅/平方英寸的圆形横截面的实心棒上测量的断裂模量。
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公开(公告)号：US06897182B2
公开(公告)日：2005-05-24
申请号：US10002343
申请日：2001-10-25
IPC分类号： B01D53/86 , B01D53/94 , B01J23/58 , B01J23/63 , B01J35/00 , B01J37/02 , C04B35/44 , C04B35/46 , C04B41/85 , F01N3/08 , F01N3/10 , F01N3/28 , B01J29/06
CPC分类号： C04B35/44 , B01D53/865 , B01D53/9422 , B01D2255/102 , B01D2255/2022 , B01D2255/2042 , B01D2255/2045 , B01D2255/2047 , B01D2255/206 , B01D2255/91 , B01J23/58 , B01J23/63 , B01J37/0215 , C04B35/117 , C04B35/462 , C04B35/465 , C04B38/0006 , C04B2111/00793 , C04B2111/0081 , C04B2235/3206 , C04B2235/3208 , C04B2235/3217 , C04B2235/3222 , C04B2235/3234 , C04B2235/3236 , C04B2235/3244 , C04B2235/3272 , C04B2235/80 , F01N3/0814 , F01N3/0842 , F01N2510/06
摘要： A catalyst for purification of exhaust gases including (1) a catalysis-promoting coating comprising a noble metal catalyst and a NOx storage component loaded onto a carrier material, wherein the NOx storage component comprises an alkali metal and, (2) a ceramic substrate for supporting the catalysis-promoting coating, wherein the ceramic substrate exhibits resistance to alkali metal migration below 1000° C. and a coefficient of thermal expansion of less than about 25×10−7/° C. (25-800° C.). A second aspect of, the invention is a process for purifying an exhaust gas from a lean burn engine involving simultaneously removing carbon monoxide, hydrocarbons and nitrogen oxides by bringing the exhaust gas from a lean burn engine into contact with the exhaust gas purifying catalyst of the present invention disclosed above. In this process a majority of the nitrogen oxides in the exhaust gas are adsorbed to the NOx storage component on the porous support under a lean burn atmosphere in which oxidizing concentrations are above a stoichiometric point that is required for oxidizing components to be oxidized in the exhaust gas. Furthermore, when the exhaust gas is temporarily change from lean burn to fuel-rich, the adsorbed nitrogen oxides are released and chemically reduced by a reaction with the hydrocarbons and carbon monoxide in the exhaust gas under a stoichiometric atmosphere or a fuel-rich atmosphere in which oxygen concentrations are below stoichiometric point.
摘要翻译： 1.一种用于净化废气的催化剂，包括（1）催化促进涂层，其包含贵金属催化剂和负载在载体材料上的NOx储存组分，其中所述NOx储存组分包含碱金属，和（2）陶瓷基材， 支持催化促进涂层，其中陶瓷基体表现出耐碱性金属迁移低于1000℃，热膨胀系数小于约25×10 -7 /℃（25-800 C。）。 本发明的第二方面是一种从稀薄燃烧发动机中净化废气的方法，其特征在于，通过使来自稀燃燃烧发动机的排气与排气净化催化剂接触而同时除去一氧化碳，碳氢化合物和氮氧化物 以上公开的本发明。 在该方法中，废气中的大部分氮氧化物在稀燃气氛下吸附到多孔载体上的NOx储存组分，其中氧化浓度高于在排气中氧化组分所需的化学计量点 加油站。 此外，当废气临时从稀燃变为富燃时，通过与化学计量气氛或富燃料气氛中的废气中的烃和一氧化碳的反应来释放吸附的氮氧化物并进行化学还原 氧浓度低于化学计量点。
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公开(公告)号：US06809139B2
公开(公告)日：2004-10-26
申请号：US10087043
申请日：2002-02-28
IPC分类号： C04B3504
CPC分类号： C04B35/63424 , C04B35/195 , C04B35/632 , C04B35/63408 , C04B38/0012 , C04B2235/3217 , C04B2235/3218 , C04B2235/3418 , C04B2235/3445 , C04B2235/349 , C09K3/10 , C09K2200/02 , C09K2200/0617 , C09K2200/0642 , F01N3/0222 , Y02T10/20
摘要： A particulate sealant for forming plugs in selected cells of honeycomb structures and consisting essentially, by weight, of about 70 to 90% ceramic blend, the ceramic blend being raw ceramic materials selected to form a composition consisting essentially of in percent by weight about 12 to 16% MgO, about 33 to 38% Al2O3, and about 49 to 54% SiO2, which will form cordierite (2MgO.2Al2O3.5SiO2) on firing, and about 10 to 30% binder system comprising a thermoplastic polymer capable of forming a gel or a thermosetting resin.
摘要翻译： 一种用于在蜂窝结构的选定细胞中形成塞子的颗粒状密封剂，其主要由约70％至90％的陶瓷共混物组成，所述陶瓷混合物是被选择用于形成基本上按重量百分比计约12〜 16％MgO，约33至38％Al 2 O 3和约49至54％的SiO 2，其在烧制时将形成堇青石（2MgO·Al 2 O 3·5SiO 2），以及约10至30％的包含能够形成凝胶的热塑性聚合物的粘合剂体系 或热固性树脂。
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公开(公告)号：US06689707B1
公开(公告)日：2004-02-10
申请号：US10405681
申请日：2003-04-01
IPC分类号： C04B35057
CPC分类号： B01D53/945 , B01D2255/20715 , B01D2255/2092 , B01J23/002 , B01J23/02 , B01J35/04 , C04B35/44 , C04B2235/3201 , C04B2235/3203 , C04B2235/3205 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3222 , C04B2235/3225 , C04B2235/3232 , C04B2235/3244 , C04B2235/3248 , C04B2235/3272 , C04B2235/3284 , C04B2235/3287 , C04B2235/3293 , C04B2235/3409 , C04B2235/3418 , C04B2235/445 , C04B2235/6021 , C04B2235/786 , C04B2235/80 , C04B2235/9607 , Y02T10/22
摘要： Compositions, articles and methods for making such articles are disclosed. The compositions, articles and methods include calcium aluminate materials consisting essentially of a main phase of CaAl4O7 and having a low coefficient of thermal expansion produced by utilizing an additive and firing to temperatures below about 1600°0 C.
摘要翻译： 披露了制作这些物品的组成，物品和方法。 组合物，制品和方法包括铝酸钙材料，其基本上由CaAl 4 O 7的主相组成，并且通过利用添加剂产生的低热膨胀系数并烧制至低于约1600℃的温度。
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