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1. WO2020094763 - HIGH-FILTRATION EFFICIENCY WALL-FLOW FILTER

Publication Number WO/2020/094763
Publication Date 14.05.2020
International Application No. PCT/EP2019/080483
International Filing Date 07.11.2019
IPC
F01N 3/035 2006.01
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
02for cooling, or for removing solid constituents of, exhaust
021by means of filters
033in combination with other devices
035with catalytic reactors
B01D 46/24 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
24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
B01D 53/92 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34Chemical or biological purification of waste gases
92of engine exhaust gases
B01J 37/02 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
37Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
02Impregnation, coating or precipitation
CPC
B01D 46/2418
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
B01D 53/92
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
34Chemical or biological purification of waste gases
92of engine exhaust gases
B01J 37/0215
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
37Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
02Impregnation, coating or precipitation
0215Coating
F01N 3/035
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
02for cooling, or for removing solid constituents of, exhaust
021by means of filters
033in combination with other devices
035with catalytic reactors ; , e.g. catalysed diesel particulate filters
Applicants
  • UMICORE AG & CO. KG [DE]/[DE]
Inventors
  • GENSCH, Manuel
  • FOERSTER, Martin
  • DEIBEL, Naina
  • OLTERSDORF, Antje
  • KOCH, Juergen
Priority Data
10 2018 127 953.008.11.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) WANDFLUSSFILTER MIT HOHER FILTRATIONSEFFIZIENZ
(EN) HIGH-FILTRATION EFFICIENCY WALL-FLOW FILTER
(FR) FILTRE À PAROIS POREUSES À HAUTE EFFICACITÉ DE FILTRATION
Abstract
(DE)
Die vorliegende Erfindung richtet sich auf ein Verfahren zur Herstellung eines Wandflussfilters zur Abtrennung von feinpartikulären Feststoffen aus Gasen und dessen Verwendung zur Reinigung von Abgasen eines Verbrennungsmotors. Die Erfindung betrifft ebenfalls einen entsprechend hergestellten Abgasfilter mit einer hohen Filtrationseffizienz.
(EN)
The invention relates to a method for producing a wall-flow filter for removing fine particulate solids from gases, and to the use thereof for cleaning exhaust gases of an internal combustion engine. The invention also relates to a correspondingly produced exhaust-gas filter having a high filtration efficiency.
(FR)
La présente invention concerne un procédé de fabrication d'un filtre à parois poreuses destiné à la séparation des particules solides fines des gaz et son utilisation pour la purification des gaz d'échappement d'un moteur à combustion interne. L'invention concerne également un filtre à gaz d'échappement fabriqué en conséquence et ayant une haute efficacité de filtration.
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