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1. WO2018123654 - POROUS HONEYCOMB FILTER

Publication Number WO/2018/123654
Publication Date 05.07.2018
International Application No. PCT/JP2017/045099
International Filing Date 15.12.2017
IPC
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
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
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
CPC
B01D 2046/2433
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
2425characterized by parameters related to the physical properties of the honeycomb structure material, e.g. modulus of rupture, porosity
2429of the honeycomb walls or cells
2433Porosity
B01D 2239/1208
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2239Aspects relating to filtering material for liquid or gaseous fluids
12Special parameters characterising the filtering material
1208Porosity
B01D 2279/30
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2279Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
30for treatment of exhaust gases from IC Engines
B01D 39/2075
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
14Other self-supporting filtering material ; ; Other filtering material
20of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
2068Other inorganic materials, e.g. ceramics
2072the material being particulate or granular
2075sintered or bonded by inorganic agents
B01D 46/00
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
B01D 46/2429
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
2425characterized by parameters related to the physical properties of the honeycomb structure material, e.g. modulus of rupture, porosity
2429of the honeycomb walls or cells
Applicants
  • 株式会社デンソー DENSO CORPORATION [JP]/[JP]
Inventors
  • ▲高▼山 泰史 TAKAYAMA Yasushi
  • 山村 周作 YAMAMURA Shusaku
Agents
  • 特許業務法人あいち国際特許事務所 AICHI, TAKAHASHI, IWAKURA & ASSOCIATES
Priority Data
2016-25333427.12.2016JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) POROUS HONEYCOMB FILTER
(FR) FILTRE EN NID D'ABEILLES POREUX
(JA) 多孔質ハニカムフィルタ
Abstract
(EN)
A porous honeycomb filter (1) having: porous first cell walls (21) permeable to exhaust gas; second cell walls (22) less permeable to the exhaust gas than the first cell walls (21); and cells (3) forming gas flowpaths that extend surrounded by the first cell walls (21) and the second cell walls (22). The second cell walls (22) have lower porosity than the first cell walls (21).
(FR)
Un filtre en nid d'abeilles poreux (1) comprend : des premières parois cellulaires poreuses (21) perméables aux gaz d'échappement; des secondes parois cellulaires (22) moins perméables aux gaz d'échappement que les premières parois cellulaires (21); et des cellules (3) formant des chemins d'écoulement de gaz qui s'étendent entourées par les premières parois de cellule (21) et les secondes parois de cellule (22). Les secondes parois cellulaires (22) ont une porosité inférieure à celle des premières parois cellulaires (21).
(JA)
排ガスを透過させる多孔質の第1セル壁(21)と、第1セル壁(21)よりも排ガスを透過しにくい第2セル壁(22)と、第1セル壁(21)及び第2セル壁(22)に囲まれて伸びるガス流路を形成するセル(3)と、を有する多孔質ハニカムフィルタ(1)である。第2セル壁(22)は、第1セル壁(21)よりも気孔率が小さい。
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