公开(公告)号：US20210123365A1

公开(公告)日：2021-04-29

申请号：US17135070

申请日：2020-12-28

Applicant: NGK INSULATORS, LTD.

Inventor： Shogo TAKENO ,  Kousuke UJIHARA ,  Kenji MORIMOTO

IPC: F01N3/022 ,  B01D39/20 ,  B01D46/24 ,  B01D46/00 ,  B01J35/04 ,  B01J23/10

Abstract: A porous composite includes a porous base material, and a porous collection layer. The collection layer is provided on the base material. The collection layer contains praseodymium oxide.

公开(公告)号：US20190351578A1

公开(公告)日：2019-11-21

申请号：US16526026

申请日：2019-07-30

Applicant: NGK Insulators, Ltd.

Inventor： Takafumi KIMATA ,  Kenichi HIDAKA ,  Yoshio KIKUCHI ,  Masaki ISHIKAWA ,  Kisuke YAMAMOTO ,  Kenji MORIMOTO

IPC: B28B3/26 ,  B28B11/16

Abstract: A ceramic formed body extrusion method for forming a ceramic formed body having a wall-shaped or plate-shaped formed portion by using an extrusion die provided with a slit for extrusion of a ceramic formed body from a raw material for forming, the slit including a slit former stage unit located on an upstream side in an extrusion direction in the extrusion and a slit latter stage unit located on a downstream side in the extrusion direction, the slit latter stage unit having a width of three to 27 times a width of the slit former stage unit, and by extruding a raw material containing a first particle having an aspect ratio of two or more and less than 300 such that the raw material passes though the slit former stage unit of the extrusion die and then passes through the slit latter stage unit.

公开(公告)号：US20160002110A1

公开(公告)日：2016-01-07

申请号：US14856629

申请日：2015-09-17

Applicant: NGK Insulators, Ltd.

Inventor： Yunie IZUMI ,  Yoshimasa KOBAYASHI ,  Kenji MORIMOTO ,  Shinji KAWASAKI

IPC: C04B35/01 ,  C04B35/45 ,  C04B35/26

Abstract: A joined body 20 according to the present invention includes a first member 22 made of a porous ceramic, a second member 24 made of a metal, and a joint 30 formed of an oxide ceramic of a transition metal, the joint 30 joining the first member 22 to the second member 24. Alternatively, a joined body may include a first member made of a dense material, a second member made of a dense material, and a joint formed of an oxide ceramic of a transition metal, the joint joining the first member to the second member.

Abstract translation: 根据本发明的接合体20包括由多孔陶瓷制成的第一构件22，由金属制成的第二构件24和由过渡金属的氧化物陶瓷形成的接头30，接头30接合第一构件 或者，接合体可以包括由致密材料制成的第一构件，由致密材料制成的第二构件和由过渡金属的氧化物陶瓷形成的接头，所述接头连接第一构件 成员到第二名成员。

公开(公告)号：US20140361229A1

公开(公告)日：2014-12-11

申请号：US14277461

申请日：2014-05-14

Applicant: NGK Insulators, Ltd.

Inventor： Satoshi YAMAZAKI ,  Toru HAYASE ,  Kenji MORIMOTO ,  Shinji KAWASAKI

IPC: H01C10/00

CPC classification number: H01C10/00 ,  C01G9/02 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/20 ,  C01P2004/32 ,  C01P2004/62 ,  C04B35/453 ,  C04B2235/3217 ,  C04B2235/3267 ,  C04B2235/3275 ,  C04B2235/3279 ,  C04B2235/3284 ,  C04B2235/3291 ,  C04B2235/3294 ,  C04B2235/3298 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/36 ,  C04B2235/5292 ,  C04B2235/5445 ,  C04B2235/6025 ,  C04B2235/604 ,  C04B2235/72 ,  C04B2235/787 ,  H01C7/112 ,  H01C17/06546

Abstract: The present invention provides a voltage nonlinear resistor containing zinc oxide as a major component, wherein the degree of orientation f(100) of the (100) plane of zinc oxide is 0.40 or lure and is represented by the following equation: f(100)=I(100)/(I(100)+I(002)+I(101)), where I(hkl) represents the peak intensity (integral) of a (hkl) plane.

Abstract translation: 本发明提供一种含有氧化锌作为主要成分的电压非线性电阻，其中氧化锌（100）面的取向度f（100）为0.40或诱导，并由下式表示：f（100） = I（100）/（I（100）+ I（002）+ I（101）），其中I（hkl）表示（hk1）面的峰值强度（积分）。

公开(公告)号：US20170282168A1

公开(公告)日：2017-10-05

申请号：US15467117

申请日：2017-03-23

Applicant: NGK INSULATORS, LTD.

Inventor： Satoshi YAMAZAKI ,  Toru HAYASE ,  Kenji MORIMOTO

IPC: B01J29/85 ,  B01D53/04 ,  B28B3/20 ,  B01J29/80 ,  B01J29/72 ,  B01J37/08 ,  B01J21/12 ,  B01J35/00 ,  B01J35/04 ,  B01J37/30 ,  B01J37/04 ,  B01J37/00 ,  B28B11/24 ,  B01J21/04

CPC classification number: B01J29/85 ,  B01D53/02 ,  B01D53/0407 ,  B01D53/9413 ,  B01D2253/108 ,  B01D2253/311 ,  B01D2253/3425 ,  B01D2255/502 ,  B01D2255/504 ,  B01D2255/91 ,  B01D2255/912 ,  B01D2257/404 ,  B01D2257/702 ,  B01J21/04 ,  B01J21/12 ,  B01J29/084 ,  B01J29/146 ,  B01J29/40 ,  B01J29/46 ,  B01J29/7007 ,  B01J29/7015 ,  B01J29/7215 ,  B01J29/723 ,  B01J29/7615 ,  B01J29/763 ,  B01J29/80 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1033 ,  B01J35/1052 ,  B01J35/1095 ,  B01J37/0018 ,  B01J37/04 ,  B01J37/082 ,  B01J37/30 ,  B01J2229/183 ,  B01J2229/186 ,  B01J2229/42 ,  B28B3/20 ,  B28B11/243 ,  B28B2003/203

Abstract: The manufacturing method includes a step of mixing a coarse particle zeolite, a fine particle zeolite, and a raw material of an inorganic bonding material to prepare a zeolite raw material; a step of forming the prepared zeolite raw material into a honeycomb shape to prepare a honeycomb formed body; and a step of firing the prepared honeycomb formed body to prepare the honeycomb structure. In the step of preparing the zeolite raw material, as the coarse particle zeolite, a chabazite type zeolite having a specific average particle diameter, the fine particle zeolite having a specific average particle diameter, the raw material of the inorganic bonding material which includes at least basic aluminum lactate is used.

公开(公告)号：US20170282167A1

公开(公告)日：2017-10-05

申请号：US15467103

申请日：2017-03-23

Applicant: NGK INSULATORS, LTD.

Inventor： Satoshi YAMAZAKI ,  Toru HAYASE ,  Kenji MORIMOTO

IPC: B01J29/85 ,  B01J29/80 ,  B01J29/76 ,  B01J21/04 ,  B01J37/08 ,  B01J35/00 ,  B01J35/04 ,  B01J37/04 ,  B01J37/30 ,  B01J37/00 ,  B01D53/04 ,  B01J21/12

CPC classification number: B01J29/85 ,  B01D53/0407 ,  B01D53/8628 ,  B01D53/9431 ,  B01D2253/108 ,  B01D2253/311 ,  B01D2255/20761 ,  B01D2255/50 ,  B01D2255/502 ,  B01D2255/504 ,  B01D2255/912 ,  B01D2255/9202 ,  B01D2255/9205 ,  B01D2255/9207 ,  B01D2257/404 ,  B01D2257/702 ,  B01J21/04 ,  B01J21/12 ,  B01J29/084 ,  B01J29/146 ,  B01J29/40 ,  B01J29/46 ,  B01J29/7007 ,  B01J29/7015 ,  B01J29/7615 ,  B01J29/763 ,  B01J29/80 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1033 ,  B01J35/1052 ,  B01J35/1095 ,  B01J37/0018 ,  B01J37/04 ,  B01J37/082 ,  B01J37/30 ,  B01J2229/183 ,  B01J2229/186 ,  B01J2229/42 ,  C04B38/0006 ,  C04B38/0009

Abstract: The honeycomb structure includes a honeycomb structure body made of a zeolite material containing at least a coarse particle zeolite having a large average particle diameter (coarse zeolite particles). A fine particle zeolite having an average particle diameter smaller than that of the coarse particle zeolite (fine zeolite particles), and an inorganic bonding material, the coarse particle zeolite (the coarse zeolite particles) is a chabazite type zeolite in which an average particle diameter of primary particles is 2 μm or more and 6 μm or less, and in the fine particle zeolite (the fine zeolite particles), an average particle diameter of primary particles is 0.02 μm or more and smaller than 2 μm, and in the zeolite material which is comprised the honeycomb structure body, a ratio of a volume of pores having pore diameters of 0.02 to 0.15 μm to a volume of all pores is 42% or less.

公开(公告)号：US20170282125A1

公开(公告)日：2017-10-05

申请号：US15461787

申请日：2017-03-17

Applicant: NGK INSULATORS, LTD.

Inventor： Yunie IZUMI ,  Kenji MORIMOTO

IPC: B01D53/94 ,  B01J35/04 ,  B01J23/83 ,  F01N3/10 ,  F01N3/28

CPC classification number: B01D53/9427 ,  B01D53/9418 ,  B01D53/9431 ,  B01D53/944 ,  B01D53/9477 ,  B01D2255/2065 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/20746 ,  B01J23/34 ,  B01J23/83 ,  B01J35/002 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1014 ,  B01J35/1019 ,  B01J37/0018 ,  B01J37/0215 ,  F01N3/0222 ,  F01N3/035 ,  F01N3/106 ,  F01N3/2066 ,  F01N3/2842 ,  F01N13/009 ,  F01N2330/06 ,  F01N2370/02 ,  F01N2610/02 ,  F01N2610/1453

Abstract: A honeycomb structure includes: a honeycomb structure body including a plurality of cells; and a plugging portion to alternately plug open end parts of the plurality of cells on one side as an inflow side of the exhaust gas and open end parts on the other side as an outflow side of the exhaust gas. The partition wall is loaded, on the side of the outflow cells, with an oxidation catalyst made of a transition metal oxide to oxidize NO gas or an oxidation catalyst made of a transition metal oxide loaded at CeO2 to oxidize NO gas. The partition wall has porosity of 70% or less, the oxidation catalyst has a particle diameter of more than 1 μm and less than 50.0 μm, and the loading amount of the oxidation catalyst is 5.0 g/L or more and 50 g/L or less.

公开(公告)号：US20160046531A1

公开(公告)日：2016-02-18

申请号：US14848938

申请日：2015-09-09

Applicant: NGK Insulators, Ltd.

Inventor： Yunie IZUMI ,  Yoshimasa KOBAYASHI ,  Kenji MORIMOTO ,  Shinji KAWASAKI

IPC: C04B37/02 ,  B32B3/12 ,  B32B7/04 ,  B23K35/28 ,  B23K20/16 ,  B23K20/22 ,  B23K35/32 ,  B23K35/26 ,  B32B9/00 ,  B32B15/04

CPC classification number: C04B37/026 ,  B23K20/16 ,  B23K20/22 ,  B23K35/26 ,  B23K35/262 ,  B23K35/28 ,  B23K35/32 ,  B23K35/325 ,  B23K2103/02 ,  B23K2103/08 ,  B23K2103/12 ,  B23K2103/14 ,  B23K2103/172 ,  B23K2103/18 ,  B23K2103/26 ,  B23K2103/52 ,  B32B3/12 ,  B32B7/04 ,  B32B9/005 ,  B32B15/04 ,  B32B2305/024 ,  C04B35/01 ,  C04B35/111 ,  C04B35/12 ,  C04B35/26 ,  C04B35/45 ,  C04B35/565 ,  C04B35/573 ,  C04B37/003 ,  C04B37/005 ,  C04B37/006 ,  C04B37/023 ,  C04B37/025 ,  C04B38/0016 ,  C04B2235/3227 ,  C04B2237/06 ,  C04B2237/123 ,  C04B2237/124 ,  C04B2237/34 ,  C04B2237/343 ,  C04B2237/365 ,  C04B2237/597 ,  C04B2237/61 ,  C04B38/0074

Abstract: A joined body 20 includes a porous ceramic 22 made of porous ceramic, a metal member 24 made of a metal, and a joint 30 formed of an oxide ceramic that penetrates into pores 23 of the porous ceramic 22 and joins the porous ceramic 22 to the metal member 24. The penetration depth of the oxide ceramic into the pores of the porous ceramic is preferably 10 μm or more, and more preferably 15 to 50 μm. The joined body 20 may be produced through a joining step of forming a joint by placing a metal raw material between a porous ceramic and a metal member and firing the metal raw material in the air at a temperature in the range of 400° C. to 900° C., where an oxide ceramic produced by oxidation of the metal raw material penetrates into the pores of the porous ceramic in the joint.

Abstract translation: 接合体20包括由多孔陶瓷制成的多孔陶瓷22，由金属制成的金属构件24和由氧化物陶瓷形成的接头30，其穿透多孔陶瓷22的孔23并将多孔陶瓷22连接到 金属构件24.氧化物陶瓷到多孔陶瓷的孔中的穿透深度优选为10μm以上，更优选为15〜50μm。 接合体20可以通过将金属原料放置在多孔陶瓷和金属构件之间而形成接头的接合工序来制造，并将空气中的金属原料在400℃的温度范围内烧制至 900℃，其中通过金属原料的氧化生产的氧化物陶瓷渗透到接头中的多孔陶瓷的孔中。

公开(公告)号：US20190351577A1

公开(公告)日：2019-11-21

申请号：US16526011

申请日：2019-07-30

Applicant: NGK Insulators, Ltd.

Inventor： Takafumi KIMATA ,  Kenichi HIDAKA ,  Yoshio KIKUCHI ,  Masaki ISHIKAWA ,  Kisuke YAMAMOTO ,  Kenji MORIMOTO

IPC: B28B3/26 ,  B28B11/16

Abstract: A ceramic formed body extrusion method for forming a ceramic formed body having a wall-shaped or plate-shaped formed portion by using an extrusion die provided with a slit for extrusion of a ceramic formed body from a raw material for forming, the slit including a slit former stage unit located on an upstream side in an extrusion direction in the extrusion and a slit latter stage unit located on a downstream side in the extrusion direction, the slit latter stage unit having a width of three to 27 times a width of the slit former stage unit, and by extruding a raw material containing a first particle having an aspect ratio of two or more and less than 300 such that the raw material passes though the slit former stage unit of the extrusion die and then passes through the slit latter stage unit.

公开(公告)号：US20170304808A1

公开(公告)日：2017-10-26

申请号：US15461795

申请日：2017-03-17

Applicant: NGK INSULATORS, LTD.

Inventor： Yunie IZUMI ,  Kenji MORIMOTO

IPC: B01J23/889 ,  B01J23/10 ,  B01J35/00 ,  B01J37/08 ,  B01J37/02 ,  F01N3/20 ,  F01N3/10 ,  F01N3/035 ,  B01J35/02 ,  B01D53/94

CPC classification number: B01J23/8892 ,  B01D53/9413 ,  B01D2255/2065 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/65 ,  B01J23/002 ,  B01J23/10 ,  B01J35/0006 ,  B01J35/023 ,  B01J35/026 ,  B01J37/0221 ,  B01J37/08 ,  B01J37/082 ,  B01J2523/00 ,  F01N3/035 ,  F01N3/103 ,  F01N3/2066 ,  F01N2370/02 ,  F01N2510/06 ,  Y02T10/24 ,  B01J2523/3712 ,  B01J2523/72 ,  B01J2523/842

Abstract: The oxide-containing particles (transition metal oxide-containing cerium dioxide particle) exert a catalyst performance, and include at least an iron oxide containing an iron component and a manganese oxide containing a manganese component on a surface of each of cerium dioxide particles, wherein the iron oxide and manganese oxide have smaller particle diameters than that of the cerium dioxide particles, and the content rate of the iron oxide and the manganese oxide is within the range of from 15.0% by mass to 35.0% by mass.