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1. JP2013173133 - ハニカム構造体

官庁
日本
出願番号 2012244484
出願日 06.11.2012
公開番号 2013173133
公開日 05.09.2013
特許番号 5892910
特許付与日 04.03.2016
公報種別 B2
IPC
B01J 35/04
B処理操作;運輸
01物理的または化学的方法または装置一般
J化学的または物理的方法,例.触媒またはコロイド化学;それらの関連装置
35形態または物理的性質に特徴のある触媒一般
02固体
04小孔構造,ふるい状,格子状,ハニカム状のもの
B01D 53/94
B処理操作;運輸
01物理的または化学的方法または装置一般
D分離
53ガスまたは蒸気の分離;ガスからの揮発性溶剤蒸気の回収;廃ガスの化学的または生物学的浄化,例.エンジン排気ガス,煙,煙霧,煙道ガスまたはエアロゾル
34廃ガスの化学的または生物学的浄化
92エンジン排気ガスに適用されるもの
94触媒による方法によるもの
F01N 3/28
F機械工学;照明;加熱;武器;爆破
01機械または機関一般;機関設備一般;蒸気機関
N機械または機関のためのガス流消音器または排気装置一般;内燃機関用ガス流消音器または排気装置
3排気の清浄,無害化または他の処理をする手段をもつ排気もしくは消音装置
08無害にするためのもの
10排気の有害成分を熱または触媒で変換することによるもの
24変換装置の構造的な面に特徴をもつもの
28触媒反応装置の構造
CPC
C04B 38/0009
CCHEMISTRY; METALLURGY
04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE
38Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
0006Honeycomb structures
0009characterised by features relating to the cell walls, e.g. wall thickness or distribution of pores in the walls
B01D 46/247
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters ; , i.e. particle separators; or filtering processes specially modified for separating dispersed particles from gases or vapours
24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
2403characterised by the physical shape or structure of the filtering element
2418Honeycomb filters
2451characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure, e.g. thickness, cell density
247of the cells, e.g. diamonds, hexagonal configuration, cell density
B01D 2046/2496
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
46Filters ; , i.e. particle separators; or filtering processes specially modified for separating dispersed particles from gases or vapours
24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
2403characterised by the physical shape or structure of the filtering element
2418Honeycomb filters
2496The honeycomb filter being defined by mathematical equations
B01J 35/04
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
F01N 3/2828
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
3Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08for rendering innocuous
10by thermal or catalytic conversion of noxious components of exhaust
24characterised by constructional aspects of converting apparatus
28Construction of catalytic reactors
2803characterised by structure, by material or by manufacturing of catalyst support
2825Ceramics
2828Ceramic multi-channel monoliths, e.g. honeycombs
F01N 2330/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
2330Structure of catalyst support or particle filter
06Ceramic, e.g. monoliths
出願人 DENSO CORP
株式会社デンソー
TOYOTA MOTOR CORP
トヨタ自動車株式会社
発明者 HAYASHI MASAHIRO
林 真大
MURATA MASAKAZU
村田 雅一
MATSUBARA HIROYUKI
松原 浩之
KUNO HISASHI
久野 央志
SUZUKI HIROMASA
鈴木 宏昌
代理人 特許業務法人あいち国際特許事務所
優先権情報 2012015738 27.01.2012 JP
発明の名称
(EN) HONEYCOMB STRUCTURE
(JA) ハニカム構造体
要約
(EN)

PROBLEM TO BE SOLVED: To provide a honeycomb structure the pressure loss of which can be reduced and whose performance of cleaning exhaust gas can be improved.

SOLUTION: A honeycomb structure 1 has partition walls 11 and a plurality of cells 12. In a cross section perpendicular to the axial direction thereof, the honeycomb structure 1 has a plurality of cell density regions 2 different in cell density in the radial direction thereof toward the outer peripheral part from the central part thereof. A border region 14 is disposed between the adjacent cell density regions 2 in order to separate them from each other. The border region 14 has: a border partition wall 141 formed by connecting the partition walls 11 of the cell density regions 2 present on both sides to one another; and a plurality of polygonal border cells 142 at least a part of each of which is surrounded by the border partition wall 141 and each of which has the shape different from that of the cells 12 of the cell density regions 2 present on both sides. When the mean hydraulic diameter of the border cell 142 in the border region 14 is defined as Φ1 and that of the cell 12 in the cell density region 2 present just on the inside of the border region 14 is defined as Φ2, Φ1/Φ2≥1.25 is satisfied.

COPYRIGHT: (C)2013,JPO&INPIT

(JA)

【課題】圧力損失の低減を図り、排ガス浄化性能を向上させることができるハニカム構造体を提供すること。
【解決手段】ハニカム構造体1は、隔壁11と複数のセル12とを有する。ハニカム構造体1は、軸方向に直交する断面において、中心部から外周部に向かって径方向にセル密度の異なる複数のセル密度領域2を有する。隣り合うセル密度領域2同士の間には、両者を隔てる境界領域14が設けられている。境界領域14は、両側にあるセル密度領域2の隔壁11同士の間をつなぐ境界隔壁141と、少なくとも一部が境界隔壁141によって囲まれ、両側にあるセル密度領域2のセル12とは異なる形状の多角形状の複数の境界セル142とを有する。境界領域14における境界セル142の平均水力直径をΦ1、境界領域14のすぐ内側にあるセル密度領域2におけるセル12の平均水力直径をΦ2とした場合に、Φ1/Φ2≧1.25である。
【選択図】図1