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Patent Agency Ranking
公开(公告)号：US20150151232A1
公开(公告)日：2015-06-04
申请号：US14618253
申请日：2015-02-10
Applicant: NGK Insulators, Ltd.
Inventor： Yusuke TSUCHIYA , Hiroyuki SUENOBU
CPC classification number: B01D46/0005 , B01D46/0001 , B01D46/244 , B01D2279/30
Abstract: The honeycomb structure includes a honeycomb structure part having porous partition walls, and porous plugged portions, and when there is drawn a straight line as an inner boundary line which is positioned at a distance of 30% of a distance between an outer end surface and an inner end surface, from the inner end surface, and there is drawn a straight line as an outer boundary line which is positioned at a distance of 70% of the distance between the outer end surface and the inner end surface, from the inner end surface, each of the plugged portions has an outer region, and an inner region which is the region between the inner end surface and the inner boundary line and whose porosity is larger than a porosity of the outer region.
Abstract translation: 蜂窝结构体包括具有多孔分隔壁的蜂窝结构部分和多孔堵塞部分，并且当绘制直线作为内边界线时，该内边界线位于外端表面和 内端表面，并且从外表面和内端表面之间的距离为70％的外边界线绘制直线，从内端面 每个堵塞部分具有外部区域和内部区域，该内部区域是内部端面和内部边界线之间的区域，并且其孔隙率大于外部区域的孔隙率。
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公开(公告)号：US20130247525A1
公开(公告)日：2013-09-26
申请号：US13847105
申请日：2013-03-19
Applicant: NGK INSULATORS, LTD.
Inventor： Yusuke TSUCHIYA , Hiroyuki SUENOBU
IPC: B01D46/00
CPC classification number: B01D46/0005 , B01D46/0001 , B01D46/244 , B01D2279/30
Abstract: The honeycomb structure includes a honeycomb structure part having porous partition walls, and porous plugged portions, and when there is drawn a straight line as an inner boundary line which is positioned at a distance of 30% of a distance between an outer end surface and an inner end surface, from the inner end surface, and there is drawn a straight line as an outer boundary line which is positioned at a distance of 70% of the distance between the outer end surface and the inner end surface, from the inner end surface, each of the plugged portions has an outer region, and an inner region which is the region between the inner end surface and the inner boundary line and whose porosity is larger than a porosity of the outer region.
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公开(公告)号：US20240327303A1
公开(公告)日：2024-10-03
申请号：US18598155
申请日：2024-03-07
Applicant: NGK INSULATORS, LTD.
Inventor： Yusuke TSUCHIYA
CPC classification number: C04B38/0009 , B01D46/0001 , B01D46/24491 , B01D46/24492 , B01D53/94 , B01J35/57 , C04B35/10 , C04B38/0012 , B01D2255/9155 , B01D2259/455 , B01D2279/30 , B28B2003/203 , C04B2235/3217 , C04B2235/3229 , C04B2235/3232 , C04B2235/3244
Abstract: A pillar-shaped honeycomb structure, comprising an outer peripheral side wall; first cells having an opening on the first end surface and having a sealing portion on the second end surface; and second cells adjacent to the first cells with partition walls interposed therebetween and having a sealing portion on the first end surface and having an opening on the second end surface; wherein the outer peripheral side wall, the partition walls, and the sealing portions are fired, and comprise cordierite as a main component and one or more sintering aids selected from ceria, zirconia, and titania; wherein in the partition walls, assuming an average porosity of a portion in a range A, and a portion in a range B is P1 (%); and assuming an average porosity of a portion in a range C is P2 (%), −4≤P1−P2≤7 is satisfied.
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公开(公告)号：US20240325957A1
公开(公告)日：2024-10-03
申请号：US18609308
申请日：2024-03-19
Applicant: NGK INSULATORS, LTD.
Inventor： Daiki TAKATA , Yusuke TSUCHIYA , Shungo NAGAI
CPC classification number: B01D46/2496 , B01D39/2068 , B01D46/0001 , B01D46/2482 , B01D46/2484
Abstract: A pillar-shaped honeycomb structure filter, comprising a plurality of first cells extending from an inlet side end surface to an outlet side end surface, opening on the inlet side end surface and having a sealing portion on the outlet side end surface; and a plurality of second cells extending from the inlet side end surface to the outlet side end surface, having a sealing portion on the inlet side end surface and opening on the outlet side end surface, the plurality of first cells and the plurality of second cells alternately arranged adjacent to each other with a porous partition wall interposed therebetween; wherein a porous film composed of a plurality of particles is formed on a surface of each of the first cells, and the interparticle distance for the plurality of particles at which a cumulative ratio is 90% (D90) is 12.0 μm or less.
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公开(公告)号：US20140290196A1
公开(公告)日：2014-10-02
申请号：US14227255
申请日：2014-03-27
Applicant: NGK Insulators, Ltd.
Inventor： Yusuke TSUCHIYA , Hiroyuki SUENOBU , Masaki HOURA , Yuichi HAMAZAKI
CPC classification number: B01D46/0001 , B01D46/244 , C04B35/195 , C04B38/0006 , C04B38/0012 , C04B2235/3217 , C04B2235/3218 , C04B2235/3418 , C04B2235/3445 , C04B2235/349 , C04B38/0074 , C04B38/0655 , C04B38/067
Abstract: Provided is a technique to manufacture a honeycomb structure reducing a width of dimensional difference generated during firing between an end part and a central part and having excellent thermal shock resistance, and the method includes: a honeycomb formed body preparing step of extruding a kneaded material including a cordierite forming raw material A, to prepare a formed body; a plugged honeycomb formed body preparing step of filling cell openings thereof with a plugging material which includes a forming raw material containing a cordierite forming raw material B and resin balloon of 1.0 to 15 mass % and has a difference in firing shrinkage rate of −1.0 to +2.0% from the formed body, to prepare a plugged formed body; and a honeycomb structure preparing step of firing the prepared plugged formed body, to prepare a honeycomb structure provided with porous plugged portions.
Abstract translation: 本发明提供一种制造蜂窝结构体的方法，该蜂窝结构体在端部和中心部分之间焙烧时产生的尺寸差异的宽度减小并且具有优异的耐热冲击性，并且该方法包括：蜂窝成形体准备步骤，挤出包含 堇青石形成原料A，以制备成形体; 一种堵塞蜂窝成形体的制备步骤，其中包括一种包含含有堇青石形成原料B的成形原料和1.0〜15质量％的树脂气囊的成型原料，并且烧成收缩率为-1.0〜 + 2.0％来自成型体，准备堵塞成型体; 以及烧制准备好的堵塞成形体的蜂窝结构体制备工序，制作具有多孔堵塞部的蜂窝结构体。
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