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    • 43. 发明专利
    • 触媒コンバーター
    • 催化转换器
    • JP2014213289A
    • 2014-11-17
    • JP2013094303
    • 2013-04-26
    • トヨタ自動車株式会社Toyota Motor Corp株式会社デンソーDenso Corp
    • KAYANUMA RYOSUKEFUJIWARA TAKAHIKOAOKI HISAOMATSUBARA HIROYUKIHAYASHI MASAHIROYABUSAKI YUJI
    • B01J35/04B01D53/86F01N3/28
    • F01N3/20F01N3/24F01N3/28F01N3/2803F01N2260/06F01N2260/14F01N2330/48F01N2330/60F01N2340/00
    • 【課題】触媒コンバーターを構成する基材と触媒コンバーターの下流側の排気管との関係を規定することにより、排ガス浄化性能に優れた触媒コンバーターを提供する。【解決手段】断面が一様な筒部1aと、筒部1aの両端から断面が縮径するように伸びて排ガス流れの上流側の排気管3と下流側の排気管4にそれぞれ繋がる上流側コーン部1bおよび下流側コーン部1cと、から構成された外管1と、外管1の筒部1aの内部に配設されたセル構造の基材2であって、基材2のセル壁面において貴金属触媒が担体に担持されてなる触媒層が形成されている基材2と、からなる触媒コンバーター10において、基材2は長手方向に直交する断面においてセル密度が相対的に高い中央領域2aとセル密度が相対的に低い周辺領域2bとから構成され、下流側コーン部1cと排気管4の接続部5を基材2に投影させた際の投影部分が中央領域2a内に存在している。【選択図】図3
    • 要解决的问题:提供一种催化转化器,其通过规定构成催化转化器的基材与催化转化器的下游侧的排气管之间的关系而具有优异的废气清洗性能。解决方案:催化转化器10包括 :外管1; 和基材2.外管1由具有恒定横截面的管部1a和上游侧锥部1b和下游侧锥部1c构成,该下游侧锥部1c从管部1a的两端延伸直径 在排气流的上游侧分别与排气管3连接,在下游侧与排气管4连接。 基材2是配置在外管1的管部1a的内部的电池结构体,在基材2的电池壁面形成有由载体承载贵金属催化剂的催化剂层。基材2 由与长度方向正交的截面相对较高的细胞密度的中央区域2a和细胞密度相对较低的周边区域2b构成。 当下游锥形部分1c和排气管4之间的连接部分5向基材2突出时,在中心区域2a中存在突出部分。
    • 45. 发明专利
    • Honeycomb structural body
    • 蜂窝结构
    • JP2013173134A
    • 2013-09-05
    • JP2012248302
    • 2012-11-12
    • Denso Corp株式会社デンソーToyota Motor Corpトヨタ自動車株式会社
    • HAYASHI MASAHIROMURATA MASAKAZUMATSUBARA HIROYUKIKUNO HISASHISUZUKI HIROMASA
    • B01J35/04F01N3/28
    • B01J29/70B01D53/94B01J32/00B01J35/04F01N3/28F01N3/2828F01N2330/34F01N2330/48
    • PROBLEM TO BE SOLVED: To provide a honeycomb structure whose thermal shock resistance can be improved while sufficiently securing exhaust gas cleaning performance.SOLUTION: A honeycomb structure 1 has a plurality of cell density regions 2 configured so that the cell density is changed step by step in the radial direction thereof. A border wall 14 is disposed between the adjacent cell density regions 2. The plurality of cell density regions 2 include the high cell density region 2a having the highest cell density among the cell density regions except for the outermost cell density region 2 and the low cell density region 2b having the lowest cell density among the cell density regions except for the innermost cell density region 2. When the solid volume of the honeycomb structure is defined as V on the assumption that the entire honeycomb structure 1 is constituted of the high cell density region 2a, the solid volume of the high cell density region 2a of the honeycomb structure 1 is defined as Va; the solid volume of the low cell density region 2b is defined as Vb; and the solid volume of the border wall 14 that separates the low cell density region 2b from the cell density region present just on the inside thereof is defined as Vs, the relationship of V-Va≥Vb+Vs is satisfied.
    • 要解决的问题:提供一种在充分确保排气净化性能的同时可以提高耐热冲击性的蜂窝结构体。解决方案:蜂窝结构体1具有多个细胞密度区域2,其被配置为使细胞密度逐步改变 在其径向方向。 边界壁14设置在相邻的细胞密度区域2之间。多个细胞密度区域2包括除了最外细胞密度区域2和细胞密度区域2之外的细胞密度区域中具有最高细胞密度的高细胞密度区域2a 在最细胞密度区域2之外的细胞密度区域中具有最低细胞密度的密度区域2b。当蜂窝结构体的整体体积由蜂窝结构体1的高细胞密度 区域2a中,蜂窝结构体1的高细胞密度区域2a的固体体积定义为Va; 低电池密度区域2b的固体体积被定义为Vb; 并且将低细胞密度区域2b与刚刚在其内部存在的细胞密度区域分开的边界壁14的固体体积被定义为Vs,满足V-Va≥Vb+ Vs的关系。
    • 46. 发明专利
    • Manufacturing method of base material for exhaust gas cleaning filter
    • 用于排气净化过滤器的基材的制造方法
    • JP2008043922A
    • 2008-02-28
    • JP2006224469
    • 2006-08-21
    • Denso Corp株式会社デンソー
    • MATSUBARA HIROYUKIHOUDAIRA KINJI
    • B01D39/20B01D39/00B28B3/20C04B35/632F01N3/02
    • PROBLEM TO BE SOLVED: To enhance productivity by enhancing strength of a base material in a baking process of the base material for an exhaust gas cleaning filter, and shortening time required for baking. SOLUTION: In manufacturing of the base material for the exhaust gas cleaning filter containing mainly cordierite and having a lot of cells demarcated by porous bulkheads by molding and baking ceramic material, a heat-resisting binder not burning at least to 400°C is used as an auxiliary added to ceramic raw material. The heat-resisting binder keeps the strength of the base material even for dehydration shrinkage of the ceramic raw material, and prevents crack or the like in baking. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过提高废气清洁过滤器用基材的烘烤工序中的基材强度,以及烘烤所需的时间缩短来提高生产率。 解决方案:在通过模制和烘烤陶瓷材料制造主要含有堇青石并具有多孔隔板的细胞的废气净化过滤器的基材的制造中,不燃烧至少400℃的耐热粘合剂 用作辅助添加到陶瓷原料中。 耐热粘合剂即使对于陶瓷原料的脱水收缩也保持基材的强度,并且防止烘烤中的裂纹等。 版权所有(C)2008,JPO&INPIT
    • 47. 发明专利
    • Honeycomb structure
    • 蜂窝结构
    • JP2013154278A
    • 2013-08-15
    • JP2012015739
    • 2012-01-27
    • Denso Corp株式会社デンソーToyota Motor Corpトヨタ自動車株式会社
    • HAYASHI MASAHIROMURATA MASAKAZUKUNO HISASHIMATSUBARA HIROYUKISUZUKI HIROMASA
    • B01J35/04B01D53/86
    • B01J29/70B01D46/2425B01D46/2455B01D46/247B01D2046/2481C04B35/195C04B38/0009C04B2111/00405C04B2235/3206C04B2235/775C04B38/007
    • PROBLEM TO BE SOLVED: To provide a honeycomb structure in which a flow velocity distribution of exhaust gas is uniformized much more, the exhaust gas cleaning performance of which can be improved and the pressure loss of which can be reduced.SOLUTION: A honeycomb structure 1 has partition walls 11 and a plurality of cells 12, is made of cordierite ceramic and is configured in such a way that cell density is changed continuously or stepwise in a radial direction as it goes from a central part to an outer peripheral part thereof. When a radius of the honeycomb structure 1 is defined as R, an area having ≤1/3R distance from a center 10 is defined as a first area 21, an area 22 having >1/3R and ≤2/3R distance from the center 10 is defined as a second area 22 and an area having >1/3R and ≤2/3R distance from the center 10 is defined as a third area 23, and when average cell densities in the first area 21, the second area 22 and the third area 23 are defined as M1, M2 and M3, respectively, the honeycomb structure 1 satisfies a relationship, M1>M2>M3. When the change rates of the average cell densities in the first area 21 and the second area 22 are defined as K1 and K2, respectively, the honeycomb structure 1 satisfies a relationship, K1
    • 要解决的问题:为了提供一种蜂窝结构,其中排气的流速分布更均匀,可以提高其排气净化性能并降低其压力损失。解决方案:蜂窝结构体1 具有分隔壁11和多个单元12由堇青石陶瓷制成,并且以这样的方式配置,使得当细胞密度从中心部分到其外周部分从径向方向连续地或逐步地改变时, 当蜂窝结构体1的半径被定义为R时,将距离中心10的距离≤1/ 3R的区域定义为第一区域21,具有> 1 / 3R且≤2/ 3R距离中心的区域22 10被定义为第二区域22,并且具有距离中心10的距离> 1 / 3R和≤2/ 3R的区域被定义为第三区域23,并且当第一区域21,第二区域22和 第三区域23分别被定义为M1,M2和M3,蜂窝结构体1满足M1> M2> M3的关系。 当第一区域21和第二区域22中的平均泡孔密度的变化率分别被定义为K1和K2时,蜂窝结构体1满足K1
    • 48. 发明专利
    • Method of manufacturing plugged honeycomb formed body
    • 制造填充蜂窝形成体的方法
    • JP2008120656A
    • 2008-05-29
    • JP2006309639
    • 2006-11-15
    • Denso Corp株式会社デンソー
    • MATSUBARA HIROYUKI
    • C04B37/00B01D39/00B01D39/20
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a plugged honeycomb formed body suppressing the occurrence of crack during a short firing time.
      SOLUTION: The method of manufacturing plugged honeycomb formed body has an extrusion forming step for forming a honeycomb formed body 1 having an outer shell 11, a partition wall 12 arranged into a honeycomb shape in the outer shell 11 and many cells 13 divided in the partition wall 12 and formed along the axial direction by extruding a ceramic raw material prepared by kneading at least raw material powder, binder and water, a drying step for drying the honeycomb formed body 1, a regular firing step for firing until the binder in the honeycomb formed body 1 is removed and the honeycomb formed body 1 is formed into cordierite, a plugging step for arranging slurry in the honeycomb formed body 1 to plug the honeycomb formed body 1 and a plug firing step for firing the honeycomb formed body 1 at a temperature lower than the firing temperature in the regular firing step.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种制造在短时间内抑制裂纹发生的堵塞蜂窝成形体的方法。 解决方案:堵塞蜂窝成形体的制造方法具有挤压成型步骤,用于形成蜂窝成形体1,其具有外壳11,在外壳11中布置成蜂窝状的分隔壁12,分隔的多个单元13 在分隔壁12中形成并​​且通​​过挤出通过将至少原料粉末,粘合剂和水进行捏合制备的陶瓷原料,沿着轴向形成的干燥步骤,将蜂窝成形体1干燥的规定的烧成工序,直到粘结剂 在除去蜂窝成形体1之后,将蜂窝成形体1形成为堇青石,将蜂窝成形体1中的浆料配置成堵塞蜂窝成形体1的堵塞工序和蜂窝成形体1的烧成步骤 在比常规烧成工序中的烧成温度低的温度下进行。 版权所有(C)2008,JPO&INPIT
    • 49. 发明专利
    • Method of manufacturing ceramic honeycomb structure
    • 制造陶瓷蜂窝结构的方法
    • JP2008110896A
    • 2008-05-15
    • JP2006295282
    • 2006-10-31
    • Denso Corp株式会社デンソー
    • SUGIYAMA TOMIOSATO KAZUHIDEHAYASHI TAKEHIROMATSUBARA HIROYUKI
    • C04B35/195B01D39/00B01D39/20B01J35/04B01J37/04B01J37/08B01J37/12C04B35/638
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a ceramic honeycomb structure suppressing deformation of a honeycomb formed article caused by combustion of a carbon constituent contained in a work piece of the honeycomb formed article. SOLUTION: The method of manufacturing the ceramic honeycomb structure 1 obtaining the ceramic honeycomb structure by calcinating the honeycomb formed article 10 comprises a honeycomb formed article forming process of mixing a cordierite molding compound containing talc with a binder, kneading, and forming the honeycomb formed article 10 by forming honeycomb-like, and a calcinating process of calcinating the honeycomb formed article by heating the honeycomb formed article 10 at a temperature region (B) not higher than a temperature region (C) easy to deform the honeycomb formed article 10 so as to lose not less than 99% of a total carbon amount contained in the honeycomb formed article 10. COPYRIGHT: (C)2008,JPO&INPIT
    • 解决问题的方法:提供一种陶瓷蜂窝结构体的制造方法,其抑制由蜂窝成形体的工件中所含的碳成分的燃烧引起的蜂窝成形体的变形。 < P>解决方案:通过煅烧蜂窝成形体10得到陶瓷蜂窝结构体的陶瓷蜂窝结构体1的制造方法包括:将含有滑石的堇青石模塑料与粘合剂混合的蜂窝成形体成型工序, 通过形成蜂窝状的蜂窝成形体10和通过在不高于使蜂窝成形体变形的温度区域(C))的温度区域(B)加热蜂窝成形体10来煅烧蜂窝成形体的煅烧工序, 10,以便损失蜂窝成形体10中所含的总碳量的99%以上。(C)2008,JPO&INPIT
    • 50. 发明专利
    • Exhaust gas purification filter
    • 排气净化过滤器
    • JP2011177612A
    • 2011-09-15
    • JP2010041931
    • 2010-02-26
    • Denso Corp株式会社デンソー
    • MATSUBARA HIROYUKIAOKI HIROSANE
    • B01D39/20F01N3/02
    • PROBLEM TO BE SOLVED: To provide an exhaust gas purification filter which shows a low pressure loss and has excellent heat resistance. SOLUTION: The exhaust gas purification filter 1 includes a porous partition 3 and a substrate 2 surrounded by the partition 3 and having a large number of cells 4, and the downstream-side ends of inlet cells 41 and the upstream-side end of outlet cells 42 are sealed with a sealing material 5. Taking the total cross-section of the inlet cells 41 as S1 and the total cross-section of the outlet cells 42 as S2, the substrate 2 meets the relationship S1>S2. The inlet cells 41 are arranged so as to be adjacent to other inlet cells 41 and outlet cells 42 through the partition 3 surrounding the inlet cells 41. The partition wall 3 has the first partition wall 31 separating the inlet cells 41 from the outlet cells 42 and the second partition 32 separating the inlet cells 41 from one another. The ratio of the total C2 of heat capacities of the second partition 32 parts in the downstream-side areas 11 to the heat capacity C1 of the whole of the downstream-side areas 11 in the exhaust gas purification filter 1 is 15-35%. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种显示低压损失并具有优异耐热性的废气净化过滤器。 解决方案:废气净化过滤器1包括多孔分隔件3和被分隔件3包围并具有大量泡孔4的基板2,并且入口单元41的下游侧端部和上游侧端部 出口单体42的密封件用密封材料5密封。将入口单元41的总横截面为S1,出口单元42的总横截面为S2,基板2满足关系S1> S2。 入口单元41布置成通过围绕入口单元41的分隔件3与其它入口单元41和出口单元42相邻。分隔壁3具有将入口单元41与出口单元42分离的第一分隔壁31 以及将入口单元41彼此分离的第二分隔件32。 下游侧区域11中的第二隔壁32部分的热容量C2与排气净化过滤器1中的下游侧整个区域11的热容C1的比例为15-35%。 版权所有(C)2011,JPO&INPIT