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    Thermally-insulating components made of thermally-stabilized refractory ceramic fibers
    4.
    发明授权
    Thermally-insulating components made of thermally-stabilized refractory ceramic fibers 失效
    由热稳定的耐火陶瓷纤维制成的绝热部件

    公开(公告)号：US5631084A

    公开(公告)日：1997-05-20

    申请号：US360631

    申请日：1994-12-21

    申请人： Daniel Urffer ,  Joseph Recasens

    发明人： Daniel Urffer ,  Joseph Recasens

    IPC分类号： C04B32/00 ,  C04B32/02 ,  C04B35/18 ,  C04B35/622 ,  B32B9/00

    CPC分类号： C04B35/62245 ,  Y10T428/2904 ,  Y10T428/2913 ,  Y10T428/2949

    摘要： The invention relates to a refractory thermally-insulating component consisting essentially of refractory ceramic fibers which are mechanically combined with one another, the composition of which comprises at least 97.5% by weight of alumina, silica and zirconia in total, wherein:a) no organic or inorganic binder binds the fibers to one another;b) the fibers have the following chemical composition, as % by weight:Al.sub.2 O.sub.3 : 33-45%SiO.sub.2 : 41-53%ZrO.sub.2 : 5.5-17%MgO: 0.02-2%other oxides:

    摘要翻译： 本发明涉及一种基本上由耐火陶瓷纤维组成的耐火绝热组分，它们彼此机械组合，其组合物包含至少97.5重量％的氧化铝，二氧化硅和氧化锆，其中：a）无有机物 或无机粘合剂将纤维彼此结合; b）纤维具有如下化学组成：重量％：Al 2 O 3：33-45％SiO 2：41-53％ZrO 2：5.5-17％MgO：0.02-2％其它氧化物：<0.50％，Fe 2 O 3 + /=0.20%和Na2O + CaO + K2O <0.30％; c）所述纤维在整个组分的整个体中均匀地具有不小于30％且不超过64％的结晶度，所述晶体基本上由莫来石晶体和二次氧化锆形成; 和d）所述组分在1450℃保持24小时后的线性收缩率不超过3％。

    METHOD FOR PREPARING A POROUS STRUCTURE USING SILICA-BASED PORE-FORMING AGENTS
    6.
    发明申请
    METHOD FOR PREPARING A POROUS STRUCTURE USING SILICA-BASED PORE-FORMING AGENTS 审中-公开
    使用二氧化硅的成核剂制备多孔结构的方法

    公开(公告)号：US20090139208A1

    公开(公告)日：2009-06-04

    申请号：US11996975

    申请日：2006-07-19

    申请人： Daniel Urffer ,  Carine Barataud-Dien

    发明人： Daniel Urffer ,  Carine Barataud-Dien

    IPC分类号： F01N3/022 ,  C04B35/565 ,  B32B3/12

    CPC分类号： C04B38/08 ,  B01D53/945 ,  C04B35/565 ,  C04B35/6325 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/48 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/77 ,  C04B2235/96 ,  Y02T10/22 ,  Y10T428/24149 ,  C04B38/0006 ,  C04B38/067

    摘要： The invention relates to a process for manufacturing a porous silicon carbide structure of the honeycomb type, said process being characterized in that it comprises the following steps: forming of a paste from a mixture of silicon carbide grains, the diameter d50 of which is between 5 μm and 300 μm, of an organic binder and of an inorganic pore former, in the form of particles based on silica, the overall porosity of said particles being greater than 70%; forming of a honeycomb-shaped green plastic monolith; drying of said monolith; and firing of the monolith at a temperature greater than 2100° C.The structure obtained by the process may be used as catalytic support in an exhaust line of a diesel or petrol engine or as particulate filter in an exhaust line of a diesel engine.

    摘要翻译： 本发明涉及一种蜂窝型多孔碳化硅结构体的制造方法，其特征在于，包括以下步骤：从碳化硅粒子的混合物形成糊料，其直径d50为5 以300微米的有机粘合剂和无机成孔剂为基于二氧化硅的颗粒形式，所述颗粒的总孔隙率大于70％; 形成蜂窝状绿色塑料整料; 干燥所述整料; 并且在大于2100℃的温度下烧制整料。通过该方法获得的结构可以用作柴油或汽油发动机的排气管线中的催化支撑体，或者用作柴油发动机的排气管线中的微粒过滤器。

    Thin ceramic articles obtained by fusing and casting in a mold a composition of the system Al.sub.2 O-ZrO.sub.2 -SiO.sub.2 -K.sub.2 O which have good mechanical strength and abrasion resistance properties
    8.
    发明授权
    Thin ceramic articles obtained by fusing and casting in a mold a composition of the system Al.sub.2 O-ZrO.sub.2 -SiO.sub.2 -K.sub.2 O which have good mechanical strength and abrasion resistance properties 失效
    通过在模具中熔融和铸造得到具有良好的机械强度和耐磨性能的体系Al 2 O-ZrO 2 -SiO 2 -K 2 O的组成获得的薄陶瓷制品

    公开(公告)号：US4910174A

    公开(公告)日：1990-03-20

    申请号：US311275

    申请日：1989-02-15

    申请人： Christophe Bert ,  Daniel Urffer

    发明人： Christophe Bert ,  Daniel Urffer

    IPC分类号： C04B35/101 ,  C04B35/48 ,  C04B35/484 ,  C04B35/657

    CPC分类号： C04B35/481 ,  C04B35/484

    摘要： The invention relates to ceramic articles.It relates to an article made of ceramic material produced by fusing and casting in a mold a composition based on alumina, zirconia, silica and an alkali metal oxide, said article consisting of crystalline corundum and zirconia phases and of a vitreous phase, said zirconia being substantially in monoclinic form from the core to the skin of said article, and having, in at least one of its parts, a thickness lower than or equal to 30 mm and being intended for an application where mechanical strength and/or abrasion resistance are of primary importance, said composition consisting essentially, in % by weight based on the oxides, of:______________________________________ Al.sub.2 O.sub.3 40-75 ZrO.sub.2 20-55 SiO.sub.2 5-20 Na.sub.2 O 0-2.7 K.sub.2 O 0.15-4.25 Fe.sub.2 O.sub.3 + TiO.sub.2 + CaO + MgO 0-2, ______________________________________ with the condition that the weight ratio ##EQU1## is between 0.07 and 0.14 inclusive. Application as micronizer disc, pump wear component and antiabrasion slab.

    摘要翻译： 本发明涉及陶瓷制品。 本发明涉及一种由陶瓷材料制成的制品，其通过在模具中熔融和铸造而形成基于氧化铝，氧化锆，二氧化硅和碱金属氧化物的组合物，所述制品由结晶刚玉和氧化锆相以及玻璃相组成，所述氧化锆为 基本上以单斜晶形式从所述制品的芯部到皮肤，并且在其至少一个部分中具有低于或等于30mm的厚度，并且用于机械强度和/或耐磨性为 主要重要的是，所述组合物基本上以基于氧化物的重量％组成：-Al2O3 40-75-ZrO2 20-55 -SiO2 5-20 -Na2O 0-2.7-K2O 0.15-4.25 -Fe2O3 + TiO2 + CaO + MgO 0-2，条件是重量比在0.07和0.14之间。 应用于微粉碎机盘片，泵磨损部件和防磨板。

    Propping agent based on zirconia and silica for deep geological fractures
    9.
    发明授权
    Propping agent based on zirconia and silica for deep geological fractures 失效
    基于氧化锆和二氧化硅的深层地质裂缝剂

    公开(公告)号：US4607697A

    公开(公告)日：1986-08-26

    申请号：US762779

    申请日：1985-08-06

    申请人： Daniel Urffer

    发明人： Daniel Urffer

    IPC分类号： C04B35/48 ,  C09K8/80 ,  E21B43/267

    CPC分类号： C04B35/481 ,  C09K8/80 ,  E21B43/267

    摘要： The invention relates to a granular propping for use in petroleum extraction which has a high mechanical resistance and a density of between 3150 and 3250 kg/m.sup.3, the propping agent consisting of balls formed by melting, granulating and solidifying an initial composition comprising by weight, on the basis of the oxides, 47.1 to 48.7 parts of ZrO.sub.2, 52.9 to 51.3 parts of SiO.sub.2, the total of ZrO.sub.2 +SiO.sub.2 amounting to 100 parts, 8.2 to 16.9 parts of Al.sub.2 O.sub.3 and 4.1 to 8.5 parts of at least one oxide selected from the group formed by MgO, CaO, FeO and TiO.sub.2.

    摘要翻译： 本发明涉及一种用于石油提取的颗粒状支撑体，其具有高的机械阻力和3150至3250kg / m3的密度，所述支撑剂由通过熔融，造粒和固化初始组合物形成的球形成， 氧化物为47.1〜48.7份，SiO 2为52.9〜51.3份，ZrO 2 + SiO 2为100份，ZrO 2 + SiO 2为8.2〜16.9份，Al 2 O 3为4.1〜8.5份， 由MgO，CaO，FeO和TiO2形成的组。

    PURIFICATION STRUCTURE INCORPORATING AN ELECTROCHEMICAL CATALYSIS SYSTEM
    10.
    发明申请
    PURIFICATION STRUCTURE INCORPORATING AN ELECTROCHEMICAL CATALYSIS SYSTEM 审中-公开
    包含电化学催化体系的净化结构

    公开(公告)号：US20090163354A1

    公开(公告)日：2009-06-25

    申请号：US12295900

    申请日：2007-04-06

    申请人： Patricia Andy ,  Daniel Urffer ,  William Mustel

    发明人： Patricia Andy ,  Daniel Urffer ,  William Mustel

    IPC分类号： B01J29/068

    CPC分类号： B01D53/326 ,  B01D46/2418 ,  B01D53/945 ,  B01D2279/30 ,  B01J21/066 ,  B01J23/10 ,  B01J23/58 ,  B01J29/18 ,  B01J35/0006 ,  B01J35/002 ,  B01J35/04 ,  B01J37/0215 ,  B01J37/0246 ,  F01N3/0807 ,  F01N3/0871 ,  F01N3/0892 ,  Y02C20/10 ,  Y02T10/20 ,  Y02T10/22

    摘要： The invention relates to a structure for the purification of a contaminated gas, for example the exhaust gas from a diesel or petrol engine, the structure incorporating an electrochemical system for treating said gas, composed of an NOx reduction catalyst A, a hydrocarbon oxidation catalyst B, an electron-conducting compound C and an ion-conducting compound D, said structure being characterized in that it is made of or covered with at least one porous, inorganic, electron-conducting and/or ion-conducting material in such a way that the catalysts A and B are disposed in the porosity of the inorganic material and that the ion-conducting, electron-conducting or ion-conducting and electron-conducting inorganic material makes up, respectively, the element C, the element D, or the sum of the elements C and D of said electrochemical system.

    摘要翻译： 本发明涉及一种用于净化污染气体的结构，例如来自柴油或汽油发动机的废气，其结构包括用于处理所述气体的电化学系统，其由NOx还原催化剂A，烃氧化催化剂B ，导电化合物C和离子导电化合物D，所述结构的特征在于其由至少一种多孔，无机，电子传导和/或离子传导材料制成或覆盖，使得 催化剂A和B设置在无机材料的孔隙中，并且离子导电，导电或离子导电和电子传导无机材料分别构成元素C，元素D或总和 的所述电化学系统的元素C和D。