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    • 32. 发明授权
    • Honeycomb structure
    • 蜂窝结构
    • US07851041B2
    • 2010-12-14
    • US11370933
    • 2006-03-09
    • Kazushige OhnoMasafumi KuniedaKazutake Ogyu
    • Kazushige OhnoMasafumi KuniedaKazutake Ogyu
    • B32B3/12
    • B01D39/2089B01D39/2086Y10T428/24149
    • A honeycomb structure is disclosed that includes plural honeycomb units bonded together by using a sealing material layer, each of the honeycomb units including plural through-holes separated by plural partition walls and provided in parallel along a longitudinal direction of the honeycomb units, wherein a surface roughness Ra of an outer surface of the honeycomb structure is greater than or equal to about 1 μm and less than or equal to about 50 μm, each of the honeycomb units includes at least ceramic particles, and inorganic fibers and/or whisker, and an area of a cross section of one of the honeycomb units perpendicular to the longitudinal direction of the one of the honeycomb units is greater than or equal to about 5 cm2 and less than or equal to about 50 cm2.
    • 公开了一种蜂窝结构体,其包括通过使用密封材料层而接合在一起的多个蜂窝单元,每个蜂窝单元包括由多个分隔壁分隔开的多个通孔,沿蜂窝单元的长度方向平行设置, 蜂窝结构体的外表面的粗糙度Ra大于或等于约1μm且小于或等于约50μm,每个蜂窝单元至少包括陶瓷颗粒,无机纤维和/或胡须,以及 垂直于一个蜂窝单元的纵向方向的一个蜂窝单元的截面的面积大于或等于约5cm 2且小于或等于约50cm 2。
    • 39. 发明授权
    • Honeycomb structural body
    • 蜂窝结构体
    • US07517502B2
    • 2009-04-14
    • US10521592
    • 2004-10-25
    • Kazushige OhnoYukio Oshimi
    • Kazushige OhnoYukio Oshimi
    • B01D50/00B01D24/00B01J8/02
    • B01D46/247B01D46/0063B01D46/244B01D46/2444B01D46/2451B01D46/2459B01D2046/2496B01J35/04C04B38/0006C04B2111/00793C04B2111/0081C04B35/00C04B38/0012
    • An object of the present invention is to provide a honeycomb structural body which makes it possible to prevent a thermal stress from concentrating on plugs for sealing a group of inlet-side through holes and the vicinity thereof during a regenerating process, and consequently to prevent occurrence of cracks. The honeycomb structural body of the present invention is a pillar-shaped honeycomb structural body mainly made of porous ceramics, in which a plurality of through holes are placed in parallel with one another in the length direction with a partition wall interposed therebetween. Herein, the through holes are constituted by a group of inlet-side through holes, whose ends are sealed by plugs at the outlet side such that the total sum of areas on cross sections perpendicular to the length direction is made relatively greater, and a group of outlet-side through holes, whose ends are sealed by plugs at the inlet side such that the total sum of areas on the cross sections thereof is made relatively smaller. Supposing that the aperture rate on the inlet side is X (%) and that the total sum of thermal capacities of the plugs which seal the group of inlet-side through holes at 500° C. per 11.8 cm2 of the end face on the outlet side containing the group of the outlet-side through holes is represented by Y(J/K), the relationship indicated by the following inequalities (1) and (2) is satisfied. 0.0157X−0.0678
    • 发明内容本发明的目的在于提供一种蜂窝结构体,其能够防止热应力集中在用于密封一组入口侧通孔及其附近的塞子的再生过程中,从而防止发生 的裂缝。 本发明的蜂窝结构体是主要由多孔陶瓷制成的柱状蜂窝结构体,其中多个通孔在长度方向上彼此平行放置,隔着间隔壁彼此平行。 这里,通孔由一组入口侧通孔构成,其端部在出口侧由塞子密封,使得与长度方向垂直的横截面上的面积的总和相对较大,并且组 的出口侧通孔,其末端由入口侧的塞子密封,使得其横截面上的面积的总和相对较小。 假设入口侧的开口率为X(%),并且插头的热容量的总和,其密封入口侧通孔的组在500℃,每11.8cm 2的端面上的出口 通过Y(J / K)表示包含出口侧通孔组的一侧,满足以下不等式(1)和(2)所示的关系。 <?in-line-formula description =“In-line Formulas”end =“lead”?> 0.0157X-0.0678 <?in-line-formula description =”In-line Formulas“end =”lead“?> 35 <= X <= 60(2)<?in-line-formula description = 在线公式“end =”tail“?>
    • 40. 发明授权
    • Ceramic honeycomb structure
    • 陶瓷蜂窝结构
    • US07504359B2
    • 2009-03-17
    • US10527531
    • 2004-02-27
    • Kazutake OgyuKazushige OhnoAtsushi Kudo
    • Kazutake OgyuKazushige OhnoAtsushi Kudo
    • B01J27/224C01B31/36
    • B01D46/2474B01D46/2425B01D46/2429B01D46/2466B01D53/885B01D53/94B01D2046/2437B01D2046/2496B01J35/04C04B38/0006F01N3/0222F01N3/035F01N3/2828C04B35/00C04B38/0009C04B38/0051C04B38/007
    • A honeycomb structural body comprises one or plural pillar-shaped porous ceramic members in which many through-holes are arranged side by side in a longitudinal direction through partition walls and either one end portions of these through-holes are sealed.The partition wall forming the structural body has a surface roughness of not less than 10 μm as a maximum roughness Rz defined in JIS B0601-2001 and an average pore size of 5-100 μm in a pore distribution measured by a mercury pressure method, and satisfies the following relationship: A≧90−B/20 or A≦100−B/20 when a ratio pores having a pore size of 0.9-1.1 times the average pore size to total pore volume is A (%) and a thickness of the partition wall is B (μm), and there is proposed an effective honeycomb structural body having excellent pressure loss and catching efficiency and a high catalyst reactivity.
    • 蜂窝结构体包括一个或多个柱状多孔陶瓷构件,其中许多通孔在纵向方向上通过间隔壁并排布置,并且这些通孔的一个端部被密封。 形成结构体的分隔壁的表面粗糙度为JIS B0601-2001中定义的最大粗糙度Rz为10μm以上,在通过水银压力法测定的孔分布中的平均孔径为5〜100μm, 满足以下关系:<?in-line-formula description =“In-line formula”end =“lead”?> A> = 90-B / 20或A <= 100-B / 20 < 当平均孔径相对于总孔体积的孔径为0.9-1.1倍的孔的比例孔为A(%),分隔壁的厚度为(%)时,公式描述=“直列公式”end =“tail” B(母),提出了具有优异的压力损失和捕捉效率和高催化剂反应性的有效的蜂窝结构体。