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    • 43. 发明授权
    • Exhaust gas purifier system for internal combustion engine
    • 内燃机排气净化系统
    • US4248833A
    • 1981-02-03
    • US70369
    • 1979-08-28
    • Toshiho Aoyama
    • Toshiho Aoyama
    • F01N3/28B01J8/00F01N7/08F01N7/18
    • F01N3/2853F01N3/2867
    • A catalytic converter is mounted within an exhaust gas passage formed by a pair of tubular members each having an outwardly extending flange at their one end and connected together in tandem and in a concentric manner by means of mounting means which cooperate with the flanges. The catalytic converter includes a cylindrical, metallic shell having a pair of flanges at its opposite ends which extend radially inward and which define a gas inlet and a gas outlet, a catalyst carrier formed by a monolithic, porous ceramic body having a coating of catalyst, and elastic support means for supporting the catalyst carrier within the shell. The shell is provided with an annular rib having a pair of side surfaces which project outwardly from its cylindrical surface, the annular rib defining a pair of cylindrical portions of the shell which are contiguous with the respective side surfaces. The catalytic converter is disposed within the pair of tubular members by locating each of the cylindrical portions within the associated tubular member. By connecting the pair of tubular members together by the mounting means, the respective side surfaces of the annular rib engage the associated flanges on the tubular members, thereby supporting the catalytic converter within the gas passage.
    • 催化转化器安装在由一对管状构件形成的废气通道内,每个管状构件在其一端具有向外延伸的凸缘并且通过与凸缘配合的安装装置串联并且以同心的方式连接在一起。 催化转化器包括一个圆柱形的金属壳体,在其相对端具有一对凸缘,其径向向内延伸,并限定气体入口和气体出口,由具有催化剂涂层的整体多孔陶瓷体形成的催化剂载体, 以及用于将催化剂载体支撑在壳体内的弹性支撑装置。 壳体设置有环形肋,其具有从其圆柱形表面向外突出的一对侧表面,环形肋限定壳体的与相应侧表面邻接的一对圆柱形部分。 催化转化器通过将每个圆柱形部分定位在相关联的管状构件内而设置在一对管状构件内。 通过通过安装装置将一对管状构件连接在一起,环形肋的相应侧表面与管状构件上的相关联的凸缘接合,从而在气体通道内支撑催化转化器。
    • 45. 发明授权
    • Catalytic apparatus
    • 催化装置
    • US4142864A
    • 1979-03-06
    • US802167
    • 1977-05-31
    • Victor RosynskyAlfred Stawsky
    • Victor RosynskyAlfred Stawsky
    • B01D53/94F01N3/28B01J8/02B01J35/04F01N3/15
    • B01D53/9454F01N3/2853F01N3/2864F01N3/2867F01N3/2875Y02T10/22
    • A catalytic, gas treating apparatus in which a unitary ceramic catalytic element having gas flow passages therethrough, is positioned within a metallic casing in a manner providing a space between the casing and the catalytic element. A resilient member which is compressible both radially and longitudinally is positioned around the catalytic element in said space to resiliently hold the catalytic element. A plug member is positioned at least partially in said space, and, for instance, around the catalytic element at opposite end portions of the catalytic element, in a manner which longitudinally compresses said resilient member to a substantial extent to increase the holding force exerted on the catalytic element by the resilient member and thereby inhibit axial movement of the catalytic element during use. The device avoids the necessity of providing end flanges extending from the casing and overlapping the periphery of the end faces of the catalytic element for the purpose of minimizing axial movement of the catalytic element, and, as a result, essentially all of the gas flow passages remain available to the flow of the gas to be treated and there is maximum catalyst utilization.
    • 一种催化气体处理装置,其中具有穿过其中的气体流动通道的单一陶瓷催化元件以在壳体和催化元件之间提供空间的方式定位在金属壳体内。 径向和纵向可压缩的弹性构件围绕所述空间中的催化元件定位以弹性地保持催化元件。 插塞构件至少部分地定位在所述空间中,并且例如在催化元件的相对端部处围绕催化元件定位,以在相当程度上纵向压缩所述弹性构件以增加施加在所述催化元件上的保持力 所述催化元件由所述弹性构件从而在使用期间阻止所述催化元件的轴向移动。 该装置避免了为了使催化元件的轴向移动最小化而提供从壳体延伸并且与催化元件的端面的周边重叠的端部凸缘的必要性,结果基本上所有的气体流动通道 仍然可用于待处理气体的流动,并且具有最大的催化剂利用率。
    • 46. 发明授权
    • Apparatus for purification of waste from combustion engines
    • 用于从内燃机中净化废物的装置
    • US4101280A
    • 1978-07-18
    • US748047
    • 1976-12-06
    • Gunther FrietzschePeter KrauseChristian Schulten
    • Gunther FrietzschePeter KrauseChristian Schulten
    • F01N3/28B01J8/02F01N3/15
    • F01N3/2853F01N3/2867F01N2330/04Y10S55/30
    • A monolithic type of catalyst carrier for the exhaust system of a combustion engine is securely held in a tubular metal housing under the variations in temperature of operation by surrounding the monolith with a jacket, which extends between the monolith and the casing, and which has a thermal expansion coefficient that is equal to or greater than the difference between the thermal expansion coefficient of the monolith and that of the metal of the casing. The tubular casing also has tubular conduits on both ends with gradually decreasing diameters as the distance from the casing increases. Packing rings are provided between the peripheral edges of the monolith and the ends of the connected tubular conduits. Preferably, also, the end peripheral edges of the monolith are further protected by a flanged metal ring of which the flanged portions extend over a portion of the periphery at the ends of the monolith.
    • 用于内燃机排气系统的整体式催化剂载体在操作温度变化下被牢固地保持在管状金属壳体中,该壳体通过在整料和壳体之间延伸的护套围绕整体,并具有 热膨胀系数等于或大于整料的热膨胀系数与壳体的金属的热膨胀系数之差。 管状壳体在两端具有管状导管,随着与壳体的距离增加,直径逐渐减小。 在整料的周边边缘和连接的管状管道的端部之间设有填料环。 优选地,整体件的端部周边边缘进一步受到法兰的金属环的保护,凸缘部分在整料的端部处延伸在周边的一部分上。
    • 47. 发明授权
    • Catalytic converter for purifying gases
    • 用于净化气体的催化转化器
    • US4021203A
    • 1977-05-03
    • US649512
    • 1976-01-14
    • William R. GivensCharles D. Lemme
    • William R. GivensCharles D. Lemme
    • B01D53/86F01N3/28F01N13/02B01J8/02B01J35/04F01N3/15
    • F01N3/2853B01D53/86F01N13/0097F01N3/2867
    • An improved catalytic converter for the exhaust gases of an automotive engine is disclosed, the converter including a plurality of honeycomb type catalyst carrier elements, annular spacer members and cushioning rings mounted in compressed sandwich fashion within a cylindrical casing section so that the only rigid connection is between the ends of the assembled sandwich and the casing, the cushioning rings being formed of compressed metallic wires and having a triangular cross-sectional configuration which compressively engages within correspondingly shaped annular spaces at the ends of the carrier elements so that the compressive forces of each cushioning ring are transmitted to the associated carrier element with a radially inward component and a longitudinally inward component.
    • 公开了一种用于汽车发动机废气的改进的催化转化器,该转化器包括多个蜂窝型催化剂载体元件,环形间隔件和缓冲环,其以压缩夹心的方式安装在圆柱形壳体部分内,使得仅仅刚性连接 在组装好的三明治的端部和壳体之间,缓冲环由压缩的金属线形成并且具有三角形横截面构造,其压缩地接合在载体元件的端部处的相应形状的环形空间内,使得每个 缓冲环以径向向内分量和纵向向内分量传递到相关联的载体元件。
    • 48. 发明授权
    • Catalytic converter for purifying gases
    • 用于净化气体的催化转化器
    • US3969083A
    • 1976-07-13
    • US419132
    • 1973-11-26
    • William R. GivensCharles D. Lemme
    • William R. GivensCharles D. Lemme
    • F01N3/28F01N13/02B01J8/02B01J35/04F01N3/15
    • F01N3/2853F01N13/0097F01N3/2867
    • An improved catalytic converter and gas purification method for the exhaust gases of an automotive engine is disclosed, the converter including a plurality of honeycomb type catalyst carrier elements, annular spacer members and cushioning rings mounted in compressed sandwich fashion within a cylindrical casing section so that the only rigid connection is between the ends of the assembled sandwich and the casing, the length of the catalyst carrier elements being such that the gases flowing through the passages of each element when the engine is at fast idle will contact the catalyst deposited thereon substantially throughout before changing from its initial turbulent condition to a fully developed laminar condition and the length of the spaces between elements being such as to insure that the flow entering each element is turbulent.
    • 公开了一种用于汽车发动机的废气的改进的催化转化器和气体净化方法,所述转换器包括多个蜂窝型催化剂载体元件,环形间隔件和缓冲环,其以压缩夹心形式安装在圆筒形壳体部分内,使得 在组装好的夹层和壳体的两端之间只有刚性连接,催化剂载体元件的长度使得当发动机处于快速怠速状态时流过每个元件的通道的气体将在其上大致覆盖在其上沉积的催化剂 从其初始湍流状态改变到完全发展的层状条件,并且元件之间的空间的长度确保进入每个元件的流动是湍流的。
    • 49. 发明授权
    • Catalytic converter having hollow, gas-filled mounting means for a
monolithic catalyst
    • 催化转化器具有用于整体式催化剂的中空的气体填充安装装置
    • US3948611A
    • 1976-04-06
    • US478059
    • 1974-06-10
    • Alfred Stawsky
    • Alfred Stawsky
    • B01D53/94F01N3/28B01J8/02F01N3/15
    • B01D53/9454F01N3/2853F01N3/2867F01N3/2875F01N2350/04F01N2350/06Y02T10/22
    • A catalytic gas treatment apparatus in which a unitary catalytic element, having gas flow paths therethrough, is positioned within a surrounding casing. At least one, and preferably two, end flanges are provided and are positioned in a direction inwardly with respect to the casing and are adjacent the catalytic element end faces. Expansible and/or resilient retention members are positioned between the end flanges and the catalytic element end faces to expand as differences in thermal expansion rates result in differences in the distance between the end flanges and the catalytic element end faces. Consequently, untreated gas cannot pass between the catalytic element outer surface and the casing inner surface, and damage of the catalytic element end faces by the end flanges is lessened during vibration of the apparatus while operating at a high temperature. In one embodiment, the expansible retention members are bimetallic washers shaped similar to a Belleville spring, while in another embodiment, they are hollow, gas-filled, thin metal shell pleated gaskets.
    • 一种催化气体处理装置,其中具有气体流动通道的单一催化元件位于周围的壳体内。 提供至少一个,优选两个端部凸缘,并且相对于壳体向内设置并且与催化元件端面相邻。 可膨胀和/或弹性保持构件定位在端部凸缘和催化元件端面之间,以随着热膨胀率的差异而导致端部凸缘和催化剂元件端面之间的距离的差异。 因此,未处理气体不能在催化元件外表面和壳体内表面之间通过,并且在高温操作的同时在装置的振动期间减小了端部凸缘的催化元件端面的损坏。 在一个实施例中,可膨胀的保持构件是类似于贝氏弹簧的双金属垫圈,而在另一个实施例中,它们是中空的,充气的,薄的金属壳打褶的垫圈。