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1. WO2020195278 - HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFICATION DEVICE

Publication Number WO/2020/195278
Publication Date 01.10.2020
International Application No. PCT/JP2020/005372
International Filing Date 12.02.2020
IPC
B01D 39/20 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
14Other self-supporting filtering material
20of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
B01D 46/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01J 35/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35Catalysts, in general, characterised by their form or physical properties
02Solids
04Foraminous structures, sieves, grids, honeycombs
C04B 38/00 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
38Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
C04B 41/85 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
80of only ceramics
81Coating or impregnating
85with inorganic materials
C04B 41/89 2006.01
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
41After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
80of only ceramics
81Coating or impregnating
89for obtaining at least two superposed coatings having different compositions
Applicants
  • 日本碍子株式会社 NGK INSULATORS, LTD. [JP]/[JP]
Inventors
  • 木俣 貴文 KIMATA,Takafumi
  • 宮入 由紀夫 MIYAIRI,Yukio
  • 桝田 昌明 MASUDA,Masaaki
  • 細田 和也 HOSODA,Kazuya
Agents
  • アクシス国際特許業務法人 AXIS PATENT INTERNATIONAL
Priority Data
2019-06167227.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFICATION DEVICE
(FR) STRUCTURE EN NID D'ABEILLES ET DISPOSITIF DE PURIFICATION DE GAZ D'ÉCHAPPEMENT
(JA) ハニカム構造体及び排気ガス浄化装置
Abstract
(EN)
This columnar honeycomb structure has: an outer peripheral wall; and a porous partition wall which is disposed inside the outer peripheral wall and forms a plurality of partitioned cells that penetrate from one end surface to the other end surface to form a flow path, wherein a collection layer having an average pore size smaller than an average pore size of the partition wall is provided on a surface of the partition wall in the cell, and magnetic particles having a Curie point of at least 700°C are provided between the surface of the partition wall and the collection layer and either side or both sides of the collection layer.
(FR)
Cette structure en nid d'abeilles colonnaire a : une paroi périphérique externe; et une paroi de séparation poreuse qui est disposée à l'intérieur de la paroi périphérique externe et forme une pluralité de cellules partitionnées qui pénètrent d'une surface d'extrémité à l'autre surface d'extrémité pour former un chemin d'écoulement, une couche de collecte ayant une taille de pore moyenne inférieure à une taille de pore moyenne de la paroi de séparation étant disposée sur une surface de la paroi de séparation dans la cellule, et des particules magnétiques ayant un point de Curie d'au moins 700 °C sont disposées entre la surface de la paroi de séparation et la couche de collecte et l'un ou l'autre côté ou les deux côtés de la couche de collecte.
(JA)
外周壁と、外周壁の内側に配設され、一方の端面から他方の端面まで貫通して流路を形成する複数のセルを区画形成する多孔質の隔壁とを有する柱状のハニカム構造体であって、セル内の隔壁の表面に、隔壁の平均細孔径よりも小さい平均細孔径の捕集層を有し、隔壁の表面と捕集層との間、及び、捕集層上の一方または両方に、キュリー点が700℃以上の磁性体粒子を備えるハニカム構造体。
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