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    HONEYCOMB STRUCTURE, ELECTRICALLY HEATING SUPPORT AND EXHAUST GAS PURIFYING DEVICE
    2.
    发明申请
    HONEYCOMB STRUCTURE, ELECTRICALLY HEATING SUPPORT AND EXHAUST GAS PURIFYING DEVICE 有权

    公开(公告)号：US20220287154A1

    公开(公告)日：2022-09-08

    申请号：US17455700

    申请日：2021-11-19

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yukiharu MORITA ,  Takayuki INOUE ,  Naoki OKAMOTO

    IPC: H05B3/03 ,  B01D53/94 ,  B01J35/04

    Abstract: A honeycomb structure 20 according to the present invention includes: a honeycomb structure portion 10 including: an outer peripheral wall 12; a partition wall 13 arranged on an inner side of the outer peripheral wall 12, the partition wall 13 defining a plurality of cells 16 each extending from one end face to other end face to form a flow path; and a pair of electrode layers 14a, 14b arranged on a surface of the outer peripheral wall 12 of the honeycomb structure portion 10, the pair of electrode layers 14 being provided so as to face each other across a central axis of the honeycomb structure portion 10. The honeycomb structure portion 10 is made of ceramics having an NTC property, and the pair of electrode layers are made of a material having a PTC property.

    HONEYCOMB STRUCTURE, AND MANUFACTURING METHOD OF THE SAME
    3.
    发明申请
    HONEYCOMB STRUCTURE, AND MANUFACTURING METHOD OF THE SAME 审中-公开

    公开(公告)号：US20170283931A1

    公开(公告)日：2017-10-05

    申请号：US15454078

    申请日：2017-03-09

    Applicant: NGK INSULATORS, LTD.

    Inventor： Shiho MATSUI ,  Takayuki INOUE ,  Kouhei YAMADA

    IPC: C23C4/12 ,  C23C4/10

    CPC classification number: C23C4/12 ,  C23C4/04 ,  C23C4/10

    Abstract: The honeycomb structure includes a pillar-shaped honeycomb structure body having porous partition walls 1 defining a plurality of cells and a circumferential wall, and a pair of electrode members disposed on the side of a side surface of the honeycomb structure body. The pair of electrode members contain metal silicon and boron, at least a part of the electrode member is made of a composite material including, as a main component, silicon containing 100 to 10000 ppm of boron in silicon. In the composite material which is comprised the electrode member, a volume ratio of the silicon containing 100 to 10000 ppm of the boron in the composite material is 70 volume % or more. An electric resistivity of the electrode member made of the composite material is from 20 μΩcm to 0.1 Ωcm.

    HONEYCOMB STRUCTURE
    4.
    发明申请
    HONEYCOMB STRUCTURE 有权
    蜂窝结构

    公开(公告)号：US20150260066A1

    公开(公告)日：2015-09-17

    申请号：US14627134

    申请日：2015-02-20

    Applicant: NGK Insulators, Ltd.

    Inventor： Yusuke HOSOI ,  Tsuyoshi WATANABE ,  Takayuki INOUE

    IPC: F01N3/022

    CPC classification number: F01N3/0222 ,  B01D46/2418 ,  B01D46/2429 ,  B01J35/04 ,  C04B35/195 ,  C04B35/565 ,  C04B38/0006 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2111/32 ,  C04B2235/3418 ,  C04B2235/3826 ,  C04B2235/428 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/6021 ,  F01N3/2026 ,  F01N3/2828 ,  F01N2260/10 ,  F01N2330/06 ,  F01N2330/14 ,  F01N2330/30 ,  Y02T10/26 ,  C04B38/067

    Abstract: The honeycomb structure includes a honeycomb structure body and a pair of electrode members disposed on a side surface of the honeycomb structure body, each of the pair of electrode members is shaped in the form of a band extending in a cell extending direction, and in a cross section perpendicular to the extending direction of cells, one electrode member is disposed on a side opposite to the other electrode member via a center of the honeycomb structure body, one or more slits opened in the side surface are formed in the honeycomb structure body, the honeycomb structure body has a charging material charged into the at least one slit, the charging material contains aggregates and a neck material, and a ratio (α2/α1) of a thermal expansion coefficient α2 of the charging material to a thermal expansion coefficient α1 of the honeycomb structure body is from 0.6 to 1.5.

    Abstract translation: 蜂窝结构体包括蜂窝结构体和布置在蜂窝结构体的侧表面上的一对电极构件，所述一对电极构件中的每一个成形为沿单元延伸方向延伸的带状，并且在 横截面垂直于单元的延伸方向，一个电极构件经由蜂窝结构体的中心设置在与另一个电极构件相对的一侧上，在蜂窝结构体中形成有在侧面开口的一个或多个狭缝， 所述蜂窝结构体具有填充在所述至少一个狭缝中的充电材料，所述充电材料包含聚集体和颈部材料，并且所述充电材料的热膨胀系数α2与热膨胀系数α1的比率（α2/α1） 的蜂窝结构体为0.6〜1.5。

    METHOD FOR PRODUCING SILICON CARBIDE CERAMIC AND METHOD FOR PRODUCING HONEYCOMB STRUCTURE
    5.
    发明申请
    METHOD FOR PRODUCING SILICON CARBIDE CERAMIC AND METHOD FOR PRODUCING HONEYCOMB STRUCTURE 有权
    生产碳化硅陶瓷的方法和生产蜂窝结构的方法

    公开(公告)号：US20130207322A1

    公开(公告)日：2013-08-15

    申请号：US13852022

    申请日：2013-03-28

    Applicant: NGK INSULATORS, LTD.

    Inventor： Atsushi KANEDA ,  Takayuki INOUE ,  Tsuyoshi WATANABE

    IPC: C04B35/573

    CPC classification number: C04B35/573 ,  B01D2255/9155 ,  B01J35/04 ,  C04B35/565 ,  C04B38/0006 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2235/3826 ,  C04B2235/3834 ,  C04B2235/428 ,  C04B2235/5436 ,  C04B2235/80 ,  C04B2235/9607 ,  C04B38/0074

    Abstract: Provided is a method for producing a silicon carbide ceramic easily and simply producing a silicon carbide ceramic having a small amount in resistivity change due to temperature change and being capable of generating heat by current application; and having a forming raw material preparing step of mixing two or more kinds of silicon carbide ceramic powders containing 4H—SiC silicon carbide crystals at respectively different content ratio to prepare a forming raw material; a forming step of forming the forming raw material into a formed body; and a firing step of firing the formed body to produce a silicon carbide ceramic being adjusted at a content ratio of 4H—SiC silicon carbide crystal to a desired value.

    Abstract translation: 本发明提供一种碳化硅陶瓷的制造方法，其容易地简单地制造由于温度变化而导致的电阻率变化少的碳化硅陶瓷，能够通过电流施加而产生热量; 并且具有如下成型原料准备工序：将含有4H-SiC碳化硅晶体的两种以上的碳化硅陶瓷粉末分别以不同的含量比混合，制备成形原料; 将成形原料形成成形体的成形工序; 以及焙烧步骤，对所形成的本体进行焙烧以制备以4H-SiC碳化硅晶体的含量比调整到期望值的碳化硅陶瓷。

    HONEYCOMB STRUCTURE, AND ELECTRIC HEATING SUPPORT AND EXHAUST GAS TREATMENT DEVICE EACH USING THE HONEYCOMB STRUCTURE
    9.
    发明申请
    HONEYCOMB STRUCTURE, AND ELECTRIC HEATING SUPPORT AND EXHAUST GAS TREATMENT DEVICE EACH USING THE HONEYCOMB STRUCTURE 有权

    公开(公告)号：US20220305477A1

    公开(公告)日：2022-09-29

    申请号：US17644367

    申请日：2021-12-15

    Applicant: NGK INSULATORS, LTD.

    Inventor： Masaki HOURA ,  Takayuki INOUE ,  Takashi NORO

    IPC: B01J35/04 ,  F01N3/20 ,  B01D53/94

    Abstract: A honeycomb structure according to at least one embodiment of the present invention includes: a honeycomb structure portion having: an outer peripheral wall; and a partition wall arranged inside the outer peripheral wall to define a plurality of cells each extending from a first end surface of the honeycomb structure portion to a second end surface thereof to form a flow path; and a pair of electrode portions arranged on an outer peripheral surface of the outer peripheral wall of the honeycomb structure portion. The electrode portions are each a porous body in which particles of silicon carbide are bound by a binding material, the silicon carbide contains α-type silicon carbide and β-type silicon carbide, and the silicon carbide has a D50 in a volume-based cumulative particle size distribution of 25 μm or less.

    HONEYCOMB STRUCTURE AND ELECTRICALLY HEATING SUPPORT
    10.
    发明申请
    HONEYCOMB STRUCTURE AND ELECTRICALLY HEATING SUPPORT 有权

    公开(公告)号：US20220297103A1

    公开(公告)日：2022-09-22

    申请号：US17575812

    申请日：2022-01-14

    Applicant: NGK INSULATORS, LTD.

    Inventor： Takayuki INOUE ,  Makoto HAMAZAKI ,  Kohei YAMADA

    IPC: B01J35/04 ,  B01J21/18 ,  H05B3/14 ,  H05B3/00

    Abstract: A ceramic honeycomb structure includes: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the plurality of cells to form a fluid flow path extending from one end face to other end face. The honeycomb structure contains: 1) particles including one or more selected from silicon carbide, silicon nitride and aluminum nitride; and 2) silicon doped with a dopant. The dopant is a Group 13 element or a Group 15 element. The honeycomb structure has a silicon content (B) of from 20 to 80% by mass, and the honeycomb structure has a porosity of 30% or less.

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