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    HONEYCOMB FILTER
    5.
    发明公开
    HONEYCOMB FILTER 有权

    公开(公告)号：EP3173138A4

    公开(公告)日：2018-01-17

    申请号：EP15825038

    申请日：2015-07-17

    申请人： IBIDEN CO LTD

    发明人： SHIBATA TOSHIAKI ,  OGISO AKIHITO ,  SUZUKI HIROKAZU

    IPC分类号： B01D39/20 ,  B01D46/24 ,  C04B38/00 ,  F01N3/022

    CPC分类号： B01D46/247 ,  B01D39/20 ,  B01D46/00 ,  B01D46/2429 ,  B01D46/2474 ,  B01D2046/2433 ,  C04B38/00 ,  F01N3/022 ,  F01N3/0222

    摘要： The present invention provides a honeycomb filter including a honeycomb fired body including porous cell partition walls, exhaust gas introduction cells each having an open end at an exhaust gas inlet side and a plugged end at an exhaust gas outlet side, exhaust gas emission cells each having an open end at the exhaust gas outlet side and a plugged end at the exhaust gas inlet side, and an outer wall on the periphery thereof. The cross-sectional shape of each exhaust gas introduction cell in a plane perpendicular to the longitudinal direction thereof is entirely uniform from the end at the exhaust gas inlet side to the end at the exhaust gas outlet side excluding the plugged portion. The cross-sectional shape of each exhaust gas emission cell in a plane perpendicular to the longitudinal direction thereof is entirely uniform from the end at the exhaust gas inlet side to the end at the exhaust gas outlet side excluding the plugged portion. The exhaust gas emission cells, except for the cells adjacent to the outer wall, are each adjacently surrounded fully by the exhaust gas introduction cells across the porous cell partition walls; the cross-sectional area of each exhaust gas emission cell is larger than the cross-sectional area of each exhaust gas introduction cell. Provided that the hydraulic diameter is given by the following equation (1) and the area based on the given hydraulic diameter is given by the following equation (2), the ratio of the area based on the hydraulic diameter of an exhaust gas introduction cell to the cross-sectional area of the exhaust gas introduction cell is 0.95 to 0.98, and the ratio of the area based on the hydraulic diameter of an exhaust gas emission cell to the cross-sectional area of the exhaust gas emission cell is 0.7 to 0.9: Hydraulic diameter = 4 × cross ˆ’ sectional area of cell / Cross ˆ’ sectional peripheral length of cell Area based on the hydraulic diameter = À × ( Hydraulic diameter / 2 ) 2

    HONEYCOMB FILTER
    7.
    发明公开
    HONEYCOMB FILTER 有权
    蜂巢过滤器

    公开(公告)号：EP3173138A1

    公开(公告)日：2017-05-31

    申请号：EP15825038.1

    申请日：2015-07-17

    申请人： Ibiden Co., Ltd

    发明人： SHIBATA Toshiaki ,  OGISO Akihito ,  SUZUKI Hirokazu

    IPC分类号： B01D39/20 ,  B01D46/00 ,  C04B38/00 ,  F01N3/022

    CPC分类号： B01D46/247 ,  B01D39/20 ,  B01D46/00 ,  B01D46/2429 ,  B01D46/2474 ,  B01D2046/2433 ,  C04B38/00 ,  F01N3/022 ,  F01N3/0222

    摘要： The present invention provides a honeycomb filter including a honeycomb fired body including porous cell partition walls, exhaust gas introduction cells each having an open end at an exhaust gas inlet side and a plugged end at an exhaust gas outlet side, exhaust gas emission cells each having an open end at the exhaust gas outlet side and a plugged end at the exhaust gas inlet side, and an outer wall on the periphery thereof. The cross-sectional shape of each exhaust gas introduction cell in a plane perpendicular to the longitudinal direction thereof is entirely uniform from the end at the exhaust gas inlet side to the end at the exhaust gas outlet side excluding the plugged portion. The cross-sectional shape of each exhaust gas emission cell in a plane perpendicular to the longitudinal direction thereof is entirely uniform from the end at the exhaust gas inlet side to the end at the exhaust gas outlet side excluding the plugged portion. The exhaust gas emission cells, except for the cells adjacent to the outer wall, are each adjacently surrounded fully by the exhaust gas introduction cells across the porous cell partition walls; the cross-sectional area of each exhaust gas emission cell is larger than the cross-sectional area of each exhaust gas introduction cell. Provided that the hydraulic diameter is given by the following equation (1) and the area based on the given hydraulic diameter is given by the following equation (2), the ratio of the area based on the hydraulic diameter of an exhaust gas introduction cell to the cross-sectional area of the exhaust gas introduction cell is 0.95 to 0.98, and the ratio of the area based on the hydraulic diameter of an exhaust gas emission cell to the cross-sectional area of the exhaust gas emission cell is 0.7 to 0.9: Hydraulic diameter = 4 × cross − sectional area of cell / Cross − sectional peripheral length of cell Area based on the hydraulic diameter = π × ( Hydraulic diameter / 2 ) 2

    摘要翻译： 本发明提供一种蜂窝过滤器，其具备：具有多孔质隔壁的蜂窝烧制体，在排气入口侧具有开口端，在排气出口侧具有封口端的排气导入单元， 废气出口侧的开口端和废气入口侧的封闭端，以及外围的外壁。 各废气导入单元在与其长度方向垂直的平面内的截面形状从除了封孔部分以外的废气入口侧的端部到废气出口侧的端部全部一致。 各废气放出单元在与其长度方向垂直的平面内的截面形状从除了封孔部分以外的废气入口侧的端部到废气出口侧的端部完全一致。 除了与外壁相邻的单元之外的废气排放单元通过跨过多孔单元隔壁的废气引入单元各自相邻地完全相邻地围绕; 每个废气排放单元的横截面面积大于每个排气引入单元的横截面面积。 如果水力学直径由以下等式（1）给出并且基于给定水力直径的面积由下面的等式（2）给出，则基于废气引入单元的水力直径的面积与 废气导入单元的截面积为0.95〜0.98，基于废气放出单元的水力直径的面积相对于废气放出单元的截面积的比例为0.7〜0.9： 水力直径= 4×单元横截面积/单元横截面周长基于水力直径=π×（水力直径/ 2）2