DE10037403A1 - particulate Filter - Google Patents

particulate Filter

Info

Publication number
DE10037403A1
DE10037403A1 DE10037403A DE10037403A DE10037403A1 DE 10037403 A1 DE10037403 A1 DE 10037403A1 DE 10037403 A DE10037403 A DE 10037403A DE 10037403 A DE10037403 A DE 10037403A DE 10037403 A1 DE10037403 A1 DE 10037403A1
Authority
DE
Germany
Prior art keywords
channels
inlet
outlet
particle filter
filter according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE10037403A
Other languages
German (de)
Inventor
Bernhard Jokl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE10037403A priority Critical patent/DE10037403A1/en
Priority to PCT/EP2001/008870 priority patent/WO2002010562A1/en
Publication of DE10037403A1 publication Critical patent/DE10037403A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2418Honeycomb filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/80Chemical processes for the removal of the retained particles, e.g. by burning
    • B01D46/84Chemical processes for the removal of the retained particles, e.g. by burning by heating only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/022Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
    • F01N3/0222Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2279/00Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/30Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for treatment of exhaust gases from IC Engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00Structure of catalyst support or particle filter
    • F01N2330/06Ceramic, e.g. monoliths
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The invention relates to a particle filter (1) for cleaning the exhaust gases of an internal combustion engine (3). The particle filter has several inlet (4) and outlet (5) channels which run in the longitudinal direction of the particle filter, which are separated from each other by intermediate walls (6) and which each have an inlet (7) or an outlet (8) opening on one of their front surfaces, the opposite front surface being closed, respectively. The exhaust gas crosses over from the inlet channels (7) to the outlet channels (8) via the intermediate walls. The inlet channels (7) have a larger cross-section than the outlet channels (8).

Description

Die Erfindung betrifft einen Partikelfilter zur Reini­ gung von Abgasen einer Brennkraftmaschine nach der im Oberbegriff von Anspruch 1 näher definierten Art.The invention relates to a particle filter for cleaning exhaust gases from an internal combustion engine according to the im The preamble of claim 1 defined in more detail.

Ein gattungsgemäßer Partikelfilter ist aus der EP 02 30 140 A1 bekannt.A generic particle filter is known from EP 02 30 140 A1 known.

Mittels derartiger Filter werden die Abgase von Brenn­ kraftmaschinen gereinigt, und zwar dadurch, daß zwar die gasförmigen Bestandteile der Abgase durch die po­ rösen Seitenwände zwischen den Ein- und Auslaßkanälen gelangen können, nicht jedoch die in den Abgasen ent­ haltenen Rußpartikel.By means of such filters, the exhaust gases from Brenn cleaned engines, namely that the gaseous components of the exhaust gases by the po red side walls between the inlet and outlet channels can get, but not ent in the exhaust gases soot particles.

Ein großer Nachteil solcher bekannter Partikelfilter ist jedoch ein durch diese Rußpartikel und eingelager­ te Ölrückstände sowie sonstige Abgasbestandteile über die Laufzeit der Brennkraftmaschine stetig steigender Abgasgegendruck in der Abgasleitung. A major disadvantage of such known particle filters is however due to these soot particles and stored oil residues and other exhaust gas components the running time of the internal combustion engine increases steadily Exhaust back pressure in the exhaust pipe.  

Zwar könnte dieser Problematik begegnet werden, indem großvolumigere Partikelfilter eingesetzt würden, auf­ grund des Einbauortes solcher Partikelfilter in unmit­ telbarer Nähe der Brennkraftmaschine und der damit verbundenen Bauraumknappheit ist dies jedoch fast im­ mer unmöglich oder führt zumindest zu großen Proble­ men.This problem could be countered by larger-volume particle filters would be used due to the installation location of such particle filters in immediate close proximity to the internal combustion engine and thus associated space constraint, this is almost in impossible or at least leads to major problems men.

Es ist daher Aufgabe der vorliegenden Erfindung, einen Partikelfilter zur Reinigung von Abgasen einer Brenn­ kraftmaschine zu schaffen, bei dem der durch Ablage­ rungen entstehende Abgasgegendruck sich weniger schnell erhöht, wobei die Größe des Partikelfilters beibehalten werden soll.It is therefore an object of the present invention to Particulate filter for cleaning exhaust gases from a furnace to create an engine in which the by filing exhaust back pressure arising less quickly increased, the size of the particulate filter should be maintained.

Erfindungsgemäß wird diese Aufgabe durch die im kenn­ zeichnenden Teil von Anspruch 1 genannten Merkmale gelöst.According to the invention, this task is characterized by the drawing part of claim 1 mentioned features solved.

Durch die Vergrößerung der Eintrittskanäle im Ver­ gleich zu den Austrittskanälen ergibt sich eine ver­ größerte wirksame Filterfläche, an der sich daher eine größere Menge von Abgasrückständen anlagern kann. Vor­ teilhafterweise ist hierfür eine Vergrößerung des ge­ samten Partikelfilters nicht notwendig, so daß der erfindungsgemäße Partikelfilter in einfacher Weise gegen bisher bestehende Filter ausgetauscht werden kann und keine Platzprobleme beim Einbau desselben entstehen.By enlarging the inlet channels in the ver right to the outlet channels there is a ver Larger effective filter area, which is therefore a can accumulate larger amounts of exhaust gas residues. before part of this is an increase in ge entire particle filter is not necessary, so that Particle filter according to the invention in a simple manner can be replaced with existing filters can and no space problems when installing the same arise.

Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen sowie aus dem nachfolgend anhand der Zeichnung prinzipmäßig dargestellten Ausführungsbeispiel. Advantageous refinements and developments of Invention result from the dependent claims as well from the following in principle with reference to the drawing illustrated embodiment.  

Es zeigtIt shows

Fig. 1 eine schematische Darstellung eines erfin­ dungsgemäßen Partikelfilters in der Abgaslei­ tung einer Brennkraftmaschine; Figure 1 is a schematic representation of a particulate filter according to the inven tion in the exhaust line device of an internal combustion engine.

Fig. 2 einen Schnitt durch den erfindungsgemäßen Par­ tikelfilter nach der Linie II-II aus Fig. 3; und Figure 2 shows a section through the particle filter Par invention according to the line II-II of Fig. 3. and

Fig. 3 einen Schnitt nach der Linie III-III aus Fig. 2. Fig. 3 is a section along the line III-III in FIG. 2.

Fig. 1 zeigt in sehr schematischer Darstellung einen Partikelfilter 1, der in eine Abgasleitung 2 einer Brennkraftmaschine 3 eingebaut ist und den gesamten Querschnitt der Abgasleitung 2 einnimmt. Mit dem Par­ tikelfilter 1 werden in an sich bekannter Weise Ruß­ partikel, die sich in dem die Brennkraftmaschine 3 durch die Abgasleitung 2 verlassenden Abgas befinden, aus demselben gefiltert. Bei Brennkraftmaschinen 3 mit mehreren Abgasleitungen 2 könnte in jeder dieser Ab­ gasleitungen 2 oder auch in Strömungsrichtung nach einer Zusammenführung dieser Abgasleitungen 2 ein Par­ tikelfilter 1 eingesetzt sein. Durch die unmittelbare Nähe des Partikelfilters 1 zu der Brennkraftmaschine 3 ist ein besseres Abbrennen von Partikeln gewährlei­ stet. Fig. 1 shows in a very schematic representation of a particle filter 1, which is installed in an exhaust pipe 2 of an internal combustion engine 3, and occupies the entire cross section of the exhaust pipe 2. With the Par tikelfilter 1 soot particles, which are in which the internal combustion engine 3 through the exhaust pipe 2 leaving exhaust gas are filtered from the same in a conventional manner. In internal combustion engines with a plurality of exhaust pipes 3 2 in any of these from a par could gas pipelines 2 or in the direction of flow by a combination of these exhaust pipes 2 can be used particle filter. 1 Due to the close proximity of the particle filter 1 to the internal combustion engine 3 , a better burning of particles is guaranteed.

In dem Schnitt gemäß Fig. 2 ist der Aufbau des Parti­ kelfilters 1 zu erkennen. Dieser besteht aus mehreren parallel zueinander verlaufenden und abwechselnd zu­ einander angeordneten Eintrittskanälen 4 und Aus­ trittskanälen 5, die jeweils durch Zwischenwände 6 voneinander getrennt sind. Die Eintrittskanäle 4 wei­ sen jeweils an ihrer der Brennkraftmaschine 3 zuge­ wandten Stirnseite Eintrittsöffnungen 7 auf und sind an den gegenüberliegenden Seiten verschlossen, d. h. gasundurchlässig. In umgekehrter Weise sind die Aus­ trittskanäle 5 jeweils an ihrer der Brennkraftmaschine 3 zugewandten Stirnseite verschlossen und weisen an den gegenüberliegenden Seiten Austrittsöffnungen 8 auf, die sich in der Abgasleitung 2 fortsetzen. Über die Länge des Partikelfilters 1 weisen die Eintritts­ kanäle 4 und die Austrittskanäle 5 jeweils einen gleichbleibenden Querschnitt auf.In the section shown in Fig. 2, the structure of the Parti be seen kelfilters. 1 This consists of a plurality of mutually parallel and alternately arranged inlet channels 4 and from outlet channels 5 , which are each separated by partitions 6 . The inlet channels 4 wei sen each on their front side facing the internal combustion engine 3 inlet openings 7 and are closed on the opposite sides, ie gas impermeable. In the opposite way, the outlet channels 5 are each closed on their end facing the internal combustion engine 3 and have outlet openings 8 on the opposite sides, which continue in the exhaust pipe 2 . Over the length of the particle filter 1 , the inlet channels 4 and the outlet channels 5 each have a constant cross section.

Die Abgase, die die Brennkraftmaschine 3 verlassen, treten durch die Eintrittsöffnungen 7 in die Ein­ trittskanäle 4 ein und gelangen, da die Eintrittskanä­ le 4 wie oben erläutert auf den der Brennkraftmaschine 3 gegenüberliegenden Seiten verschlossen sind, durch die Zwischenwände 6 in die Austrittskanäle 5, wie dies durch die Pfeile in Fig. 2 angedeutet ist. Die Zwi­ schenwände 6 sind dabei porös ausgebildet, so daß Ruß­ partikel, Ölrückstände, wie z. B. Ölaschen, und sonsti­ ge Abgasbestandteile von den Zwischenwänden 6 zurück­ gehalten werden und nur die gereinigten, gasförmigen Bestandteile des Abgases in die Austrittskanäle 5 ge­ langen können. Der Partikelfilter 1 besteht im vorlie­ genden Fall aus Keramik und wurde durch Extrudieren hergestellt, wobei selbstverständlich auch andere Ma­ terialien und Herstellungsverfahren denkbar sind. Als Keramik eignet sich besonders gut eine Mischkeramik, z. B. Cordierit oder SiC.The exhaust gases leaving the internal combustion engine 3, pass through the inlet openings 7 in the A enters channels 4 and reach because the Eintrittskanä le 4 as explained above on which the internal combustion engine are closed 3 opposite sides by the partition walls 6 in the outlet conduits 5 as indicated by the arrows in Fig. 2. The inter mediate walls 6 are porous, so that soot particles, oil residues such. B. oil ashes, and other ge exhaust gas components from the partitions 6 are held back and only the cleaned, gaseous components of the exhaust gas in the outlet channels 5 ge long. The particulate filter 1 consists in the vorlie case of ceramic and was produced by extrusion, although other materials and manufacturing processes are of course also conceivable. A mixed ceramic, e.g. B. cordierite or SiC.

Wie in Fig. 3 dargestellt, weisen die Eintrittskanäle 4 und somit auch die Eintrittsöffnungen 7 einen größe­ ren Querschnitt auf als die Austrittskanäle 5 und so­ mit als die Austrittsöffnungen 8. Auf diese Weise er­ gibt sich eine für die Aufnahme von Partikeln größere wirksame Oberfläche und es kann eine größere Menge von Partikeln durch die Zwischenwände 6 als mit bisher bekannten Filtern zurückgehalten werden. Hierdurch ist eine zeitlich längere Verwendung des Partikelfilters 1 möglich, wobei dessen Außenabmessungen nicht verändert werden müssen. Alternativ dazu können selbstverständ­ lich auch die Außenabmessungen verringert werden, um bei gleichbleibender gesamter Filteroberfläche den Durchmesser oder die Länge des Partikelfilters 1 zu verringern.As shown in FIG. 3, the inlet channels 4 and thus also the inlet openings 7 have a larger cross section than the outlet channels 5 and thus also as the outlet openings 8 . In this way it gives itself a larger effective surface for the absorption of particles and a larger amount of particles can be retained by the partition walls 6 than with previously known filters. As a result, the particle filter 1 can be used for a longer period of time, the outer dimensions of which do not have to be changed. Alternatively, the external dimensions can of course also be reduced in order to reduce the diameter or the length of the particle filter 1 while the entire filter surface remains the same.

Im vorliegenden Fall sind die Eintrittskanäle 4 acht­ eckig und die Austrittskanäle 5 quadratisch ausgebil­ det. Hierdurch entsteht ein Verhältnis der Quer­ schnittsflächen der Eintrittskanäle 4 zu den Aus­ trittskanälen 5 von ca. 3-4 : 1 und ein Verhältnis der Umfänge der Eintrittskanäle 4 zu den Austrittskanälen 5 von ca. 1,5-2 : 1. Selbstverständlich sind auch andere Querschnittsformen für die Eintrittskanäle 4 und die Austrittskanäle 5 denkbar. Durch den direkten Kontakt jedes einzelnen Eintrittskanals 4 mit seinen vier be­ nachbarten Eintrittskanälen 4 wird beim Rußabbrand die entstehende Wärme optimal auf die gesamte Fläche des Partikelfilters 1 weitergeleitet, wodurch ein besseres Abbrennverhalten des Partikelfilters 1 entsteht.In the present case, the inlet channels 4 are octagonal and the outlet channels 5 are square. This results in a ratio of cross-sectional areas of inlet channels 4 channels occurs to the off five of about 3-4: 1 and a ratio of volumes of inlet channels 4 to the outlet channels 5 of about 1.5-2: The first course, other Cross-sectional shapes for the inlet channels 4 and the outlet channels 5 are conceivable. Due to the direct contact of each individual inlet channel 4 with its four adjacent inlet channels 4 , the resulting heat is optimally transferred to the entire surface of the particle filter 1 during soot burn-off, which results in better burning behavior of the particle filter 1 .

Claims (8)

1. Partikelfilter zur Reinigung von Abgasen einer Brennkraftmaschine mit mehreren in Längsrichtung desselben verlaufenden Eintritts- und Austrittska­ nälen, die durch Seitenwände voneinander getrennt sind und jeweils an einer ihrer Stirnseiten eine Eintritts- oder eine Austrittsöffnung aufweisen und an den jeweiligen gegenüberliegenden Stirnsei­ ten verschlossen sind, wobei das Abgas durch die Seitenwände von den Eintrittskanälen in die Aus­ trittskanäle übertritt, dadurch gekennzeichnet, daß die Eintrittskanäle (5) einen größeren Querschnitt als die Austrittskanäle (6) aufweisen.1.particle filter for cleaning exhaust gases of an internal combustion engine with a plurality of longitudinally extending inlet and outlet channels, which are separated from one another by side walls and each have an inlet or an outlet opening on one of their end faces and are closed at the respective opposite end faces, wherein the exhaust gas passes through the side walls from the inlet channels into the outlet channels, characterized in that the inlet channels ( 5 ) have a larger cross section than the outlet channels ( 6 ). 2. Partikelfilter nach Anspruch 1, dadurch gekennzeichnet, daß das Verhältnis der Querschnitte der Eintrittskanä­ le (4) zu den Querschnitten der Austrittskanäle (5) ca. 3-4 : 1 beträgt.2. Particulate filter according to claim 1, characterized in that the ratio of the cross sections of the inlet channels ( 4 ) to the cross sections of the outlet channels ( 5 ) is approximately 3-4: 1. 3. Partikelfilter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Verhältnis der Umfänge der Eintrittskanäle (4) zu den Umfängen der Austrittskanäle (5) ca. 1,5-2 : 1 beträgt.3. Particulate filter according to claim 1 or 2, characterized in that the ratio of the circumferences of the inlet channels ( 4 ) to the circumferences of the outlet channels ( 5 ) is approximately 1.5-2: 1. 4. Partikelfilter nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, daß die Eintrittskanäle (4) einen achteckigen Quer­ schnitt aufweisen.4. Particulate filter according to one of claims 1, 2 or 3, characterized in that the inlet channels ( 4 ) have an octagonal cross section. 5. Partikelfilter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Austrittskanäle (5) einen quadratischen Quer­ schnitt aufweisen.5. Particulate filter according to one of claims 1 to 4, characterized in that the outlet channels ( 5 ) have a square cross section. 6. Partikelfilter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß er durch Extrudieren hergestellt ist.6. particle filter according to one of claims 1 to 5, characterized in that it is made by extrusion. 7. Partikelfilter nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß er aus einer Keramik besteht.7. particle filter according to one of claims 1 to 6, characterized in that it consists of a ceramic. 8. Partikelfilter nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Eintrittskanäle (4) und die Austrittskanäle (5) über die Länge des Partikelfilters (1) jeweils einen gleichbleibenden Querschnitt aufweisen.8. Particle filter according to one of claims 1 to 7, characterized in that the inlet channels ( 4 ) and the outlet channels ( 5 ) over the length of the particle filter ( 1 ) each have a constant cross section.
DE10037403A 2000-08-01 2000-08-01 particulate Filter Withdrawn DE10037403A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE10037403A DE10037403A1 (en) 2000-08-01 2000-08-01 particulate Filter
PCT/EP2001/008870 WO2002010562A1 (en) 2000-08-01 2001-07-31 Particle filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10037403A DE10037403A1 (en) 2000-08-01 2000-08-01 particulate Filter

Publications (1)

Publication Number Publication Date
DE10037403A1 true DE10037403A1 (en) 2002-02-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE10037403A Withdrawn DE10037403A1 (en) 2000-08-01 2000-08-01 particulate Filter

Country Status (2)

Country Link
DE (1) DE10037403A1 (en)
WO (1) WO2002010562A1 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004024293A1 (en) 2002-09-13 2004-03-25 Ibiden Co., Ltd. Honeycomb structure
DE10330680A1 (en) * 2003-07-08 2004-07-08 J. Eberspächer GmbH & Co. KG Particle filter for cleaning internal combustion engine exhaust gases, especially of diesel engine, has inlet channels with greater capacity for non-combustible deposits than outlet channels
EP1493479A1 (en) * 2002-09-13 2005-01-05 Ibiden Co., Ltd. Honeycomb structure
FR2857696A1 (en) * 2003-07-18 2005-01-21 Saint Gobain Ct Recherches Filter block for filtering particles contained in the exhaust gases from an internal combustion engine, comprising overlapping adjacent inlet channel and outlet channel assemblies
WO2005115589A1 (en) * 2004-05-25 2005-12-08 Robert Bosch Gmbh Cleaning insert for exhaust emission control systems in particular for particle filters
FR2874647A1 (en) * 2004-08-25 2006-03-03 Saint Gobain Ct Recherches FILTER PACK WITH FINS FOR FILTRATION OF PARTICLES CONTAINED IN THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
FR2874648A1 (en) * 2004-08-25 2006-03-03 Saint Gobain Ct Recherches Exhaust gas particle filtering block for diesel type internal combustion engine, has sets of inlet and outlet channels, where each inner space of channels has inner fin fixed to one lateral wall of channels in multiple fixation points
US7247184B2 (en) 2003-09-25 2007-07-24 Corning Incorporated Asymmetric honeycomb wall-flow filter having improved structural strength
US7556782B2 (en) 2003-10-20 2009-07-07 Ibiden Co., Ltd. Honeycomb structured body
US7585471B2 (en) 2004-02-23 2009-09-08 Ibiden Co., Ltd. Honeycomb structured body and exhaust gas purifying device
US7601194B2 (en) 2003-09-25 2009-10-13 Corning Incorporated Asymmetric honeycomb wall-flow filter having improved structural strength

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FR2840545B1 (en) 2002-06-07 2008-07-04 Saint Gobain Ct Recherches FILTER BODY FOR FILTRATION OF PARTICLES CONTAINED IN THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
EP1541817B1 (en) 2003-06-05 2006-12-27 Ibiden Co., Ltd. Honeycomb structure body
US8062603B2 (en) 2003-06-23 2011-11-22 Ibiden Co., Ltd. Honeycomb structural body
JP4439236B2 (en) 2003-10-23 2010-03-24 イビデン株式会社 Honeycomb structure
JP4673084B2 (en) * 2004-02-26 2011-04-20 日本碍子株式会社 Honeycomb filter and exhaust gas treatment device
DE102006035053A1 (en) * 2005-09-20 2007-03-22 Robert Bosch Gmbh Filter element and soot filter with geometrically similar channels
EP2065575B1 (en) 2007-11-29 2012-08-15 Corning Incorporated Wall-flow honeycomb filter having high-storage capacity and low backpressure
JP5188237B2 (en) 2008-03-28 2013-04-24 日本碍子株式会社 Honeycomb structure
JP5456268B2 (en) 2008-03-28 2014-03-26 日本碍子株式会社 Honeycomb structure
WO2014054159A1 (en) * 2012-10-04 2014-04-10 イビデン株式会社 Honeycomb filter
JP6239303B2 (en) 2013-07-31 2017-11-29 イビデン株式会社 Honeycomb filter

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US4420316A (en) * 1982-02-22 1983-12-13 Corning Glass Works Filter apparatus and method of making it
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IL80637A (en) * 1986-11-14 1989-06-30 Rosenberg Peretz Multiple-disc filter

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1495791A4 (en) * 2002-09-13 2005-02-09 Ibiden Co Ltd Filter
WO2004024293A1 (en) 2002-09-13 2004-03-25 Ibiden Co., Ltd. Honeycomb structure
EP1493479A1 (en) * 2002-09-13 2005-01-05 Ibiden Co., Ltd. Honeycomb structure
EP1495791A1 (en) * 2002-09-13 2005-01-12 Ibiden Co., Ltd. Filter
US7326270B2 (en) 2002-09-13 2008-02-05 Ibiden Co., Ltd. Filter
EP1502640A1 (en) * 2002-09-13 2005-02-02 Ibiden Co., Ltd. Honeycomb structure
US7314496B2 (en) 2002-09-13 2008-01-01 Ibiden Co., Ltd. Honeycomb structure
EP1493479A4 (en) * 2002-09-13 2005-02-09 Ibiden Co Ltd Honeycomb structure
US8012234B2 (en) 2002-09-13 2011-09-06 Ibiden Co., Ltd. Honeycomb structural body
EP1502640A4 (en) * 2002-09-13 2005-03-09 Ibiden Co Ltd Honeycomb structure
US7316722B2 (en) 2002-09-13 2008-01-08 Ibiden Co., Ltd. Honeycomb structure
US7857885B2 (en) 2002-09-13 2010-12-28 Ibiden Co., Ltd. Filter
US7766991B2 (en) 2002-09-13 2010-08-03 Ibiden Co., Ltd. Honeycomb structural body
DE10330680A1 (en) * 2003-07-08 2004-07-08 J. Eberspächer GmbH & Co. KG Particle filter for cleaning internal combustion engine exhaust gases, especially of diesel engine, has inlet channels with greater capacity for non-combustible deposits than outlet channels
FR2857696A1 (en) * 2003-07-18 2005-01-21 Saint Gobain Ct Recherches Filter block for filtering particles contained in the exhaust gases from an internal combustion engine, comprising overlapping adjacent inlet channel and outlet channel assemblies
US7537633B2 (en) 2003-07-18 2009-05-26 Saint-Gobain Centre De Recherches Et D'etudes Europeen Filter unit for filtering particles contained in exhaust gas of an internal combusting engine
WO2005016491A1 (en) * 2003-07-18 2005-02-24 Saint-Gobain Centre De Recherches Et D'etudes Europeen Filter unit for filtering particles contained in exhaust gas of an internal combusting engine
CN100438948C (en) * 2003-07-18 2008-12-03 圣戈班欧洲设计研究中心 Filter unit for filtering particles contained in exhaust gas of an internal combusting engine
US7247184B2 (en) 2003-09-25 2007-07-24 Corning Incorporated Asymmetric honeycomb wall-flow filter having improved structural strength
US7601194B2 (en) 2003-09-25 2009-10-13 Corning Incorporated Asymmetric honeycomb wall-flow filter having improved structural strength
US7556782B2 (en) 2003-10-20 2009-07-07 Ibiden Co., Ltd. Honeycomb structured body
US7785695B2 (en) 2003-10-20 2010-08-31 Ibiden Co., Ltd. Honeycomb structured body
US7585471B2 (en) 2004-02-23 2009-09-08 Ibiden Co., Ltd. Honeycomb structured body and exhaust gas purifying device
WO2005115589A1 (en) * 2004-05-25 2005-12-08 Robert Bosch Gmbh Cleaning insert for exhaust emission control systems in particular for particle filters
WO2006024792A1 (en) * 2004-08-25 2006-03-09 Saint-Gobain Centre De Recherches Et D'etudes Europeen Filtering block with fins for filtering particles contained in an internal combustion engine exhaust gases
FR2874648A1 (en) * 2004-08-25 2006-03-03 Saint Gobain Ct Recherches Exhaust gas particle filtering block for diesel type internal combustion engine, has sets of inlet and outlet channels, where each inner space of channels has inner fin fixed to one lateral wall of channels in multiple fixation points
FR2874647A1 (en) * 2004-08-25 2006-03-03 Saint Gobain Ct Recherches FILTER PACK WITH FINS FOR FILTRATION OF PARTICLES CONTAINED IN THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
US8038757B2 (en) 2004-08-25 2011-10-18 Saint Gobain Centre De Recherches Et D'etudes Europeen Filtering block with fins for filtering particles contained in an internal combustion engine exhaust gases

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