公开(公告)号：US5629067A

公开(公告)日：1997-05-13

申请号：US8313

申请日：1993-01-25

申请人： Wataru Kotani ,  Kunikazu Hamaguchi ,  Yoshiyuki Kasai

发明人： Wataru Kotani ,  Kunikazu Hamaguchi ,  Yoshiyuki Kasai

IPC分类号： C04B41/50 ,  C04B41/85 ,  F01N3/28 ,  F02B1/04 ,  B32B3/00

CPC分类号： C04B41/009 ,  C04B41/5024 ,  C04B41/85 ,  F01N3/2828 ,  F01N2330/06 ,  F02B1/04 ,  Y10T428/24149 ,  Y10T428/24157 ,  Y10T428/24174 ,  Y10T428/24744

摘要： A ceramic honeycomb structure is disclosed which includes a ceramic honeycomb body having a matrix of partition walls forming a multiplicity of cells extending in an axial direction of the honeycomb body. The radially outermost array of the cells are open to an outside of the honeycomb body in radial directions thereof, to provide a plurality of grooves formed in an outer periphery of the honeycomb body to extend in the axial direction. The honeycomb structure further includes an outer coating which fills at least the grooves to cover the outer periphery of the ceramic honeycomb body, so as to provide an outer surface of the honeycomb structure. Also disclosed are a process of producing such a honeycomb structure, and a coating material used for forming the outer coating as described above.

摘要翻译： 公开了一种陶瓷蜂窝结构体，其包括陶瓷蜂窝体，该陶瓷蜂窝体具有形成沿蜂窝体的轴向延伸的多个孔的隔壁的矩阵。 电池的径向最外侧的阵列在其径向方向上对蜂窝体的外侧开口，以在蜂窝体的外周形成多个在轴向方向上延伸的槽。 蜂窝结构还包括至少填充有凹槽以覆盖陶瓷蜂窝体的外周的外涂层，以提供蜂窝结构体的外表面。 还公开了制造这种蜂窝结构体的方法和用于形成如上所述的外涂层的涂料。

公开(公告)号：US5549725A

公开(公告)日：1996-08-27

申请号：US354490

申请日：1994-12-12

申请人： Yoshiyuki Kasai ,  Kazuhiko Kumazawa ,  Wataru Kotani

发明人： Yoshiyuki Kasai ,  Kazuhiko Kumazawa ,  Wataru Kotani

IPC分类号： B01D39/00 ,  B01D39/20 ,  B01D46/00 ,  B01D46/10 ,  B01D46/24 ,  B01J21/14 ,  B01J35/04 ,  B01J37/00 ,  C04B35/195 ,  C04B38/00 ,  C04B38/06 ,  F01N3/022 ,  F01N3/023 ,  F01N3/032 ,  F01N13/04 ,  C04B35/64

CPC分类号： B01D46/247 ,  B01D39/2075 ,  B01D46/0001 ,  B01D46/0068 ,  B01D46/2429 ,  B01D46/2474 ,  B01J21/14 ,  B01J35/04 ,  B01J37/0009 ,  C04B38/0006 ,  F01N13/011 ,  F01N3/0222 ,  F01N3/023 ,  F01N3/0233 ,  F01N3/032 ,  B01D2046/2433 ,  B01D2046/2437 ,  B01D2273/16 ,  B01D46/2425 ,  B01D46/2466 ,  C04B2111/00793 ,  F01N2330/06 ,  Y10S55/30

摘要： A cordierite ceramic filter is formed by mixing cordierite powders having a porosity of more than 30% as aggregate with raw materials for cordierite generation, poring agents, forming agents and solvents to obtain a ceramic batch, extruding the ceramic batch into a honeycomb shape to obtain a formed body, and firing the formed body. The cordierite ceramic filter has a mean pore size in a range of aggregate mean size.times.0.15.+-.5 .mu.m, has a porosity of more than 30% and has a compressive strength more than 100 kgf/cm.sup.2 in a direction parallel to a flow passage. The cordierite ceramic filter has an excellent filter regeneration function, has a high mechanical strength and is light and compact.

摘要翻译： 堇青石陶瓷过滤器通过混合孔隙率大于30％的堇青石粉末作为骨料与堇青石生成原料，成型剂和溶剂混合而成，得到陶瓷批料，将陶瓷批料挤出成蜂窝状，得到 成形体，并且烧成成形体。 堇青石陶瓷过滤器的平均孔径在总均匀度为15±5 +/-5μm的范围内，具有大于30％的孔隙率，并且在平行于...的方向上具有大于100kgf / cm 2的抗压强度 流通道 堇青石陶瓷过滤器具有优异的过滤器再生功能，机械强度高，结构紧凑。

公开(公告)号：US6062297A

公开(公告)日：2000-05-16

申请号：US256309

申请日：1999-02-24

申请人： Yoshiyuki Kasai ,  Kazuhiko Umehara ,  Wataru Kotani

发明人： Yoshiyuki Kasai ,  Kazuhiko Umehara ,  Wataru Kotani

IPC分类号： F28D17/02 ,  F28F21/04 ,  F23L15/02

CPC分类号： F28F21/04 ,  F28D17/02

摘要： A honeycomb regenerator for receiving a waste heat in an exhaust gas by passing an exhaust gas and a gas to be heated alternately therethrough, which is constructed by stacking a plurality of honeycomb structural bodies, is disclosed. In the honeycomb regenerator according to the invention, cell open rates of the honeycomb structural bodies positioned at an inlet portion of the exhaust gas and at an inlet portion of the gas to be heated are larger than those of the honeycomb structural bodies positioned at a center portion.

摘要翻译： 公开了一种用于通过使排气和待加热的气体交替地通过其堆叠多个蜂窝结构体而构成的用于在废气中接收废热的蜂窝再生器。 在根据本发明的蜂窝式再生器中，位于排气入口部分和被加热气体入口部分的蜂窝结构体的孔开度大于位于中心的蜂窝状结构体的细胞开放率 一部分。

公开(公告)号：US5938992A

公开(公告)日：1999-08-17

申请号：US140403

申请日：1998-08-26

申请人： Toshiyuki Hamanaka ,  Wataru Kotani

发明人： Toshiyuki Hamanaka ,  Wataru Kotani

IPC分类号： F01N3/28 ,  B01J21/14 ,  B01J21/16 ,  B01J35/04 ,  C04B35/195 ,  C04B38/00

CPC分类号： C04B35/195 ,  B01J21/14

摘要： A production method of a honeycomb structure is provided. The production method of a thin wall cordierite honeycomb structure having cordierite as the main component of the crystalline phase includes: adding a forming auxiliary agent to a cordierite material to obtain a mixture, kneading the mixture to obtain a material batch, forming the material batch by extrusion to form a honycomb compact, drying the honeycomb compact to obtain a dried body, and firing the dried body. The cordierite material batch contains 65% by weight or more flat plate-like cordierite raw material including crystal water made from talc, kaolin and aluminum hydroxide with the BET specific surface areas for the cordierite raw materials being 7 to 18 m.sup.2 /g of talc, 14 to 22 m.sup.2 /g of kaolin and 6 to 18 m.sup.2 /g of aluminum hydroxide. The method can realize a thinner wall and a higher cell density and can improve the formability (in particular, the lubricity and the shape stability) at the time of extruding, the mechanical strength (hydrostatic pressure fracture strength), and the catalyst carrying characteristics.

摘要翻译： 提供了一种蜂窝结构体的制造方法。 以堇青石为主要成分的薄壁堇青石蜂窝结构体的制造方法包括：向堇青石材料中添加成形助剂以得到混合物，捏合混合物得到原料，通过 挤压成型，形成一个葫芦式压块，干燥蜂窝体以获得干燥体，并烘干干燥体。 堇青石料包含65重量％以上的平板状堇青石原料，包括由滑石，高岭土和氢氧化铝制成的结晶水，堇青石原料的BET比表面积为7〜18m 2 / g滑石， 高岭土为14〜22m2 / g，氢氧化铝为6〜18m2 / g。 该方法可以实现更薄的壁和更高的泡孔密度，并且可以提高挤出时的成型性（特别是润滑性和形状稳定性），机械强度（流体静压力断裂强度）和催化剂承载特性。

公开(公告)号：US06291379B1

公开(公告)日：2001-09-18

申请号：US09493206

申请日：2000-01-28

申请人： Yasushi Noguchi ,  Kyoko Makino ,  Wataru Kotani

发明人： Yasushi Noguchi ,  Kyoko Makino ,  Wataru Kotani

IPC分类号： C04B35195

CPC分类号： B01J21/14

摘要： A process for producing a cordierite-based ceramic honeycomb structure, includes kneading raw materials for cordierite with a forming aid to obtain a raw material batch, subjecting the raw material batch to obtain a honeycomb structure, and subjecting the honeycomb structure to drying and firing in this order to obtain a ceramic honeycomb structure whose crystal phase is composed mainly of cordierite. The raw material batch contains 65% by weight or more of raw materials for cordierite, comprising talc, kaolin and aluminum hydroxide and having crystal water. The kaolin has an average particle diameter of 5 &mgr;or more and a BET specific surface area of 10 m2/g or less and is contained in the raw material batch in an amount of 10% or more by weight. Formability during extruding, particularly lubricity and shape stability, are improved, for producing cordierite-based ceramic honeycomb structure having thin partition walls and high cell density, and improved mechanical strength (isostatic fracture strength) and improved catalyst coatability.

摘要翻译： 一种堇青石系陶瓷蜂窝结构体的制造方法，其特征在于，将堇青石的原料与成形助剂混炼，得到原料批料，对原料批料进行处理，得到蜂窝结构体，使蜂窝结构物进行干燥烧成 这是为了得到其结晶相主要由堇青石组成的陶瓷蜂窝结构体。 原料批料含有65重量％以上的堇青石原料，包括滑石，高岭土和氢氧化铝，并具有结晶水。 所述高岭土的平均粒径为5μm以上，BET比表面积为10m 2 / g以下，原料成分含有10重量％以上。 改善挤出时的成形性，特别是润滑性和形状稳定性，用于生产具有薄隔壁和高泡孔密度以及改进的机械强度（等静压断裂强度）和改进的催化剂涂覆性的堇青石基陶瓷蜂窝结构体。

公开(公告)号：US5567663A

公开(公告)日：1996-10-22

申请号：US397760

申请日：1995-03-02

申请人： Wataru Kotani ,  Yoshiro Ono ,  Kazuhiko Kumazawa

发明人： Wataru Kotani ,  Yoshiro Ono ,  Kazuhiko Kumazawa

IPC分类号： B01D39/20 ,  B01D53/86 ,  B01J21/16 ,  B01J32/00 ,  B01J35/04 ,  C04B35/195 ,  C04B38/00 ,  C04B41/91 ,  F02B3/06

CPC分类号： C04B35/195 ,  C04B38/0006 ,  C04B2111/32 ,  F02B3/06

摘要： Cordierite honeycomb ceramics comprises a cordierite phase as a main ingredient. A value of [Fe.sub.2 O.sub.3 wt %/(MgO wt %+Fe.sub.2 O.sub.3 wt %)].times.100 is 2-10, where a ferric component is calculated as Fe.sub.2 O.sub.3. A thermal expansion coefficient of the cordierite honeycomb ceramics is less than 0.5.times.10.sup.-6 /.degree. C. within a temperature range of 40.degree.-800.degree. C. in a direction parallel to a flow passage of a honeycomb body. In the cordierite honeycomb ceramics including a ferric component, a ferric component is added from a talc as raw materials. The cordierite honeycomb ceramics having a low thermal expansion coefficient is obtained by mixing raw materials for cordierite generation to obtain a batch, extruding the batch into a honeycomb formed body, drying the honeycomb formed body, and firing the dried honeycomb formed body at a temperature range of 1350.degree.-1450.degree. C. After that, the sintered honeycomb body is immersed in an acid solution if necessary.

摘要翻译： 堇青石蜂窝陶瓷以堇青石相为主要成分。 [Fe 2 O 3重量％/（MgO wt％+ Fe 2 O 3重量％）]×100的值为2-10，其中铁分量计算为Fe 2 O 3。 堇青石蜂窝陶瓷的热膨胀系数在与蜂窝体的流路平行的方向上在40℃-800℃的温度范围内小于0.5×10 -6 /℃。 在包含铁成分的堇青石蜂窝陶瓷中，以滑石为原料添加铁成分。 具有低热膨胀系数的堇青石蜂窝陶瓷通过将堇青石生成原料混合得到批料，将该批料挤出成蜂窝成型体，干燥蜂窝成形体，并将干燥的蜂窝成形体在温度范围 1350°-1450℃。之后，如果需要，将烧结的蜂窝体浸入酸溶液中。

公开(公告)号：US6117377A

公开(公告)日：2000-09-12

申请号：US132520

申请日：1998-08-11

申请人： Kyoko Makino ,  Wataru Kotani

发明人： Kyoko Makino ,  Wataru Kotani

IPC分类号： B28B3/20 ,  B01J21/14 ,  B01J21/16 ,  B01J35/04 ,  B28B3/26 ,  C04B35/195 ,  C04B35/632

CPC分类号： B01J21/14 ,  C04B35/195

摘要： A production method of a cordierite ceramic honeycomb structure is provided. 0.1 to 2% by weight of a nonionic polyether lubricant, obtained by adding ethylene oxide and propylene oxide to polyhydric alcohol with an ethylene oxide:propylene oxide ratio of 10:90 to 100:0 by weight, is added to the cordierite material batch for extruding. The honeycomb structure has a thin partition wall, and is suitable for the mass production by improving the formability (in particular, the lubricity and the shape stability) in extruding.

摘要翻译： 提供了堇青石陶瓷蜂窝结构体的制造方法。 将0.1〜2重量％的环氧乙烷和环氧丙烷添加到环氧乙烷：环氧丙烷的比例为10:90〜100:0的多元醇中的非离子聚醚润滑剂添加到堇青石料批料中 挤压。 蜂窝结构体具有薄的分隔壁，并且通过提高挤压成型性（特别是润滑性和形状稳定性）而适合于批量生产。

公开(公告)号：US07481962B2

公开(公告)日：2009-01-27

申请号：US11374982

申请日：2006-03-15

申请人： Wataru Kotani ,  Takehiko Watanabe

发明人： Wataru Kotani ,  Takehiko Watanabe

IPC分类号： B28B21/52

CPC分类号： C04B35/195 ,  C01B33/26 ,  C04B38/0006 ,  C04B2111/00198 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/349 ,  C04B2235/9607 ,  F01N3/2828 ,  Y02A50/2322 ,  C04B38/0054 ,  C04B38/0074 ,  C04B38/064

摘要： There are newly provided an index which quantitatively indicates shapes of kaolin particles, and a method of measuring the index. There is also provided a method of manufacturing a low-thermal-expansion honeycomb structure suitable for an application such as a car exhaust gas purifying catalyst carrier by use of the kaolin particles whose index is not less than a predetermined value. A certain amount of kaolin particles 1 are pressed and filled into a container 2, peak intensities of the kaolin particles 1 in (200), (020), and (002) faces are measured by X-ray diffraction, respectively, and a cleavage index of the kaolin particles 1 is calculated from the resultant measured values by the following equation (1): Cleavage index=(002)/[(200)+(020)+(002)]  (Equation 1), wherein (200), (020), and (002) denote values of the peak intensities of the kaolin particles measured in the (200), (020), and (002) faces by the X-ray diffraction, respectively.

摘要翻译： 新提供了定量表示高岭土颗粒形状的指标，以及测量指标的方法。 还提供了一种适用于汽车废气净化催化剂载体的低热膨胀蜂窝结构体的方法，所述低热膨胀蜂窝结构体的指数不低于预定值。 将一定量的高岭土颗粒1压制并填充到容器2中，分别通过X射线衍射测量（200），（020）和（002）面中的高岭土颗粒1的峰值强度， 通过下式（1）从所得测量值计算高岭土颗粒1的指数：<？in-line-formula description =“In-line formula”end =“lead”→>切割指数=（002）/ [（200）+（020）+（002）]（等式1），<？in-line-formula description =“In-line formula”end =“tail”？>其中（200），（020） （002）分别表示在（200），（020）和（002）面中通过X射线衍射测定的高岭土颗粒的峰值强度的值。

公开(公告)号：US20060215814A1

公开(公告)日：2006-09-28

申请号：US11374982

申请日：2006-03-15

申请人： Wataru Kotani ,  Takehiko Watanabe

发明人： Wataru Kotani ,  Takehiko Watanabe

IPC分类号： G01N23/207 ,  C04B35/64

CPC分类号： C04B35/195 ,  C01B33/26 ,  C04B38/0006 ,  C04B2111/00198 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/349 ,  C04B2235/9607 ,  F01N3/2828 ,  Y02A50/2322 ,  C04B38/0054 ,  C04B38/0074 ,  C04B38/064

摘要： There are newly provided an index which quantitatively indicates shapes of kaolin particles, and a method of measuring the index. There is also provided a method of manufacturing a low-thermal-expansion honeycomb structure suitable for an application such as a car exhaust gas purifying catalyst carrier by use of the kaolin particles whose index is not less than a predetermined value. A certain amount of kaolin particles 1 are pressed and filled into a container 2, peak intensities of the kaolin particles 1 in (200), (020), and (002) faces are measured by X-ray diffraction, respectively, and a cleavage index of the kaolin particles 1 is calculated from the resultant measured values by the following equation (1): Cleavage index=(002)/[(200)+(020)+(002)]  (1), wherein (200), (020), and (002) denote values of the peak intensities of the kaolin particles measured in the (200), (020), and (002) faces by the X-ray diffraction, respectively.

摘要翻译： 新提供了定量表示高岭土颗粒形状的指标，以及测量指标的方法。 还提供了一种适用于汽车废气净化催化剂载体的低热膨胀蜂窝结构体的方法，所述低热膨胀蜂窝结构体的指数不低于预定值。 将一定量的高岭土颗粒1压制并填充到容器2中，分别通过X射线衍射测量（200），（020）和（002）面中的高岭土颗粒1的峰值强度， 通过下式（1）从所得测量值计算高岭土颗粒1的指数：<？in-line-formula description =“In-line formula”end =“lead”→>切割指数=（002）/ [（200）+（020）+（002）]（1），<？in-line-formula description =“In-line formula”end =“tail”？>其中（200），（020） 002）分别表示在（200），（020）和（002）面中通过X射线衍射测定的高岭土颗粒的峰值强度的值。

公开(公告)号：US06210645B1

公开(公告)日：2001-04-03

申请号：US08591117

申请日：1996-01-25

申请人： Kazuhiko Kumazawa ,  Wataru Kotani

发明人： Kazuhiko Kumazawa ,  Wataru Kotani

IPC分类号： F22L1502

CPC分类号： F28D17/02 ,  C03B5/237 ,  Y02P40/535 ,  Y10S165/037 ,  Y10S165/042 ,  Y10S165/905

摘要： A honeycomb regenerator is constructed by (a) honeycomb structural bodies arranged in a high temperature portion, in which a temperature is over 1250° C. during a normal operation, made of aluminum-titanate or a combination of aluminum-titanate and mullite, and (b) honeycomb structural bodies arranged in a low temperature portion, made of cordierite and/or mullite, or by (a) honeycomb structural bodies arranged in a high temperature portion, to which an exhaust gas having a high temperature is contacted, made of aluminum-titanate or a combination of aluminum-titanate and mullite, (b) honeycomb structural bodies arranged in a middle temperature portion made of alumina and (c) honeycomb structural bodies arranged in a low temperature portion made of one material or a combination of materials selected from a group of cordierite, mullite and a porcelain. The honeycomb regenerator according to the invention can perform a heat exchanging operation effectively even in an exhaust gas having a high temperature and also in an exhaust gas having a high temperature and a corrosive property.

摘要翻译： 蜂窝式再生器由（a）布置在高温部分的蜂窝结构体构成，其中在正常操作期间温度超过1250℃，由钛酸铝或钛酸铝和莫来石的组合制成，以及 （b）布置在由堇青石和/或莫来石制成的低温部分中的蜂窝结构体，或（a）布置在高温部分的蜂窝状结构体，高温部分接触的蜂窝结构体由 钛酸铝或钛酸铝和莫来石的组合，（b）布置在由氧化铝制成的中温部分的蜂窝结构体和（c）布置在由一种材料或材料组合构成的低温部分中的蜂窝结构体 选自一组堇青石，莫来石和瓷器。 本发明的蜂窝式再生器即使在高温废气和具有高温和腐蚀性的废气中也能够有效地进行热交换。