DE69201434T2 - Verfahren zur Herstellung poröser keramischer Materialien geeignet für Dieselpartikelfilter. - Google Patents
Verfahren zur Herstellung poröser keramischer Materialien geeignet für Dieselpartikelfilter.Info
- Publication number
- DE69201434T2 DE69201434T2 DE69201434T DE69201434T DE69201434T2 DE 69201434 T2 DE69201434 T2 DE 69201434T2 DE 69201434 T DE69201434 T DE 69201434T DE 69201434 T DE69201434 T DE 69201434T DE 69201434 T2 DE69201434 T2 DE 69201434T2
- Authority
- DE
- Germany
- Prior art keywords
- production
- porous ceramic
- ceramic materials
- materials suitable
- particle filters
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
- B01D46/24491—Porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
- B01D46/24492—Pore diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
- B01D46/247—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the cells
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/636—Polysaccharides or derivatives thereof
- C04B35/6365—Cellulose or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0006—Honeycomb structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
- B01D46/2429—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material of the honeycomb walls or cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2425—Honeycomb filters characterized by parameters related to the physical properties of the honeycomb structure material
- B01D46/24494—Thermal expansion coefficient, heat capacity or thermal conductivity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
- B01D46/2474—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the walls along the length of the honeycomb
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
- B01D46/2482—Thickness, height, width, length or diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
- B01D46/2484—Cell density, area or aspect ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/816,226 US5183608A (en) | 1992-01-03 | 1992-01-03 | Method of making diesel particulate filters |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69201434D1 DE69201434D1 (de) | 1995-03-23 |
DE69201434T2 true DE69201434T2 (de) | 1995-09-14 |
Family
ID=25220012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69201434T Expired - Fee Related DE69201434T2 (de) | 1992-01-03 | 1992-11-11 | Verfahren zur Herstellung poröser keramischer Materialien geeignet für Dieselpartikelfilter. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5183608A (de) |
EP (1) | EP0549873B1 (de) |
JP (1) | JPH05330943A (de) |
KR (1) | KR930016376A (de) |
DE (1) | DE69201434T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017205392A1 (de) | 2017-03-30 | 2018-10-04 | Audi Ag | Partikelfilter |
Families Citing this family (53)
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US5568652A (en) * | 1994-11-25 | 1996-10-22 | Corning Incorporated | Rapid setting compositions and method of making and using same |
US5514494A (en) * | 1995-06-19 | 1996-05-07 | Corning Incorporated | Battery separator |
JP3806975B2 (ja) * | 1995-07-12 | 2006-08-09 | 株式会社デンソー | ハニカム構造体の製造方法 |
US5679248A (en) * | 1995-12-19 | 1997-10-21 | Kimberly-Clark Worldwide, Inc. | Coextruded blocks and applications therefor |
US6139814A (en) * | 1997-11-10 | 2000-10-31 | Ford Global Technologies, Inc. | Thermally stable, high-surface-area metal oxides made by organic templating |
JPH11333293A (ja) * | 1998-03-27 | 1999-12-07 | Denso Corp | ハニカム構造体及びその製造方法 |
JP4453117B2 (ja) * | 1998-09-29 | 2010-04-21 | 株式会社デンソー | 六角ハニカム構造体の製造方法 |
EP0992467B1 (de) * | 1998-10-01 | 2003-02-12 | Corning Incorporated | Herstellung von porösen Mullitkörpern |
JP2000225340A (ja) * | 1998-11-30 | 2000-08-15 | Denso Corp | ハニカム構造体 |
US20020032123A1 (en) * | 2000-02-23 | 2002-03-14 | Ford Global Technologies, Inc. | Exhaust gas catalyst and method of manufacturing same |
DE10013366C1 (de) * | 2000-03-14 | 2001-08-09 | Tami Deutschland Gmbh | Verfahren zur Herstellung eines monolithischen, porösen keramischen Formkörpers aus TiO¶2¶ |
CA2399763C (en) * | 2000-04-07 | 2007-03-13 | Ngk Insulators, Ltd. | Low thermal expansion cordierite ceramic honeycomb and method of producing the same |
WO2001077043A1 (en) * | 2000-04-07 | 2001-10-18 | Ngk Insulators, Ltd. | Method for manufacturing cordierite ceramic honeycomb |
JP2003040687A (ja) * | 2000-06-30 | 2003-02-13 | Ngk Insulators Ltd | ハニカムセラミックス構造体とその製造方法 |
US6508852B1 (en) | 2000-10-13 | 2003-01-21 | Corning Incorporated | Honeycomb particulate filters |
US6770252B2 (en) * | 2001-11-21 | 2004-08-03 | General Motors Corporation | Rolling regeneration diesel particulate trap |
JP4097971B2 (ja) | 2002-03-28 | 2008-06-11 | 日本碍子株式会社 | セラミックハニカム構造体の製造方法及びセラミックハニカム構造体 |
US6864198B2 (en) * | 2003-01-30 | 2005-03-08 | Corning Incorporated | Cordierite ceramic body and method |
US20060078479A1 (en) * | 2004-10-07 | 2006-04-13 | Caterpillar Inc. | Filter assembly for an exhaust treatment device |
JP4528153B2 (ja) * | 2005-02-23 | 2010-08-18 | 日本碍子株式会社 | 目封止ハニカム構造体の製造方法 |
DE102005042056A1 (de) * | 2005-09-05 | 2007-03-08 | Robert Bosch Gmbh | Filterelement und Rußfilter mit reduzierten Temperaturspannungen |
US7517379B2 (en) * | 2005-12-16 | 2009-04-14 | Corning Incorporated | Honeycomb filters with reduced number of unplugged partial peripheral cells and methods of manufacturing same |
US20070254798A1 (en) * | 2006-03-31 | 2007-11-01 | Addiego William P | Peroxide containing compounds as pore formers in the manufacture of ceramic articles |
US20070281127A1 (en) * | 2006-05-30 | 2007-12-06 | Monika Backhaus-Ricoult | Cordierite formation |
JP5346284B2 (ja) * | 2006-05-31 | 2013-11-20 | コーニング インコーポレイテッド | 耐亀裂性セラミック・ハニカム物品及びその製造方法 |
NL1032501C2 (nl) * | 2006-09-14 | 2008-03-17 | Rudolf Van Hardeveld | Werkwijze voor de vervaardiging van keramische filtermaterialen voor de vangst van (ultra)fijne deeltjes uit een gas- of vloeistofstroom. |
US8298311B2 (en) * | 2006-11-15 | 2012-10-30 | Corning Incorporated | Filters with controlled submicron porosity |
CN101687719A (zh) * | 2007-03-20 | 2010-03-31 | 康宁股份有限公司 | 用于陶瓷过滤器的低收缩性堵塞混合物,堵塞的蜂窝体过滤器及其制造方法 |
DE102007018816A1 (de) | 2007-04-20 | 2008-10-23 | Robert Bosch Gmbh | Verfahren zur Herstellung beschichteter poröser keramischer Substrate |
DE102007031854B4 (de) | 2007-07-09 | 2017-03-02 | Robert Bosch Gmbh | Verfahren zur Herstellung von keramischen Körpern mit funktionalisierten Porenoberflächen und danach hergestellter Körper |
EP2176188B1 (de) * | 2007-07-31 | 2020-09-02 | Corning Incorporated | Verfahren zur herstellung von porösen keramischen filtern und zusammensetzungen zum auftragen auf keramische wabenkörper |
EP2025658A1 (de) | 2007-08-08 | 2009-02-18 | Imerys Ceramics France | Poröse Keramikkörper und Herstellungsverfahren dafür |
US20090113863A1 (en) * | 2007-11-05 | 2009-05-07 | Yanxia Lu | Low Expansion Cement Compositions for Ceramic Monoliths |
EP2592059B1 (de) | 2007-11-30 | 2020-09-23 | Corning Incorporated | Mischung zum Auftragen auf Honeycomb Körpern |
US8101117B2 (en) * | 2008-05-30 | 2012-01-24 | Corning, Incorporated | Controlled gas pore formers in extruded ware |
EP2915795A1 (de) | 2008-08-28 | 2015-09-09 | Corning Incorporated | Handhabung der Porengrößenverteilung auf Wabensubstraten |
US7914718B2 (en) * | 2008-08-28 | 2011-03-29 | Corning Incorporated | Gas pore former in cellular monoliths |
US8007557B2 (en) * | 2008-11-26 | 2011-08-30 | Corning Incorporated | High-strength low-microcracked ceramic honeycombs and methods therefor |
US20100154370A1 (en) * | 2008-12-22 | 2010-06-24 | Caterpillar Inc, | System and methods for particulate filter |
US8051703B2 (en) * | 2009-02-27 | 2011-11-08 | Corning Incorporated | Methods for using a fluid stream to test a honeycomb body |
US9227878B2 (en) * | 2009-04-30 | 2016-01-05 | Corning Incorporated | Selected binders for the extrusion of ultra-thin wall cellular ceramics |
US20100301515A1 (en) * | 2009-05-29 | 2010-12-02 | Thomas William Brew | Honeycomb Extrusion Die Apparatus And Methods |
US20100329975A1 (en) * | 2009-06-29 | 2010-12-30 | William Peter Addiego | Cordierite-Forming Compositions With Hydratable Alumina And Methods Therefor |
EP2390307A1 (de) | 2010-05-27 | 2011-11-30 | Corning Incorporated | Verarbeitung poröser Keramik mittels geprilltem Wachs und nichtionischem Tensid |
US9999879B2 (en) | 2013-05-30 | 2018-06-19 | Corning Incorporated | Formed ceramic substrate composition for catalyst integration |
CN107666948B (zh) | 2015-05-29 | 2021-09-10 | 康宁股份有限公司 | 蜂窝式过滤器的封堵以及用于封堵蜂窝式过滤器的设备 |
US10941611B2 (en) * | 2017-08-18 | 2021-03-09 | Radio Systems Corporation | Pet door |
WO2020047249A1 (en) | 2018-08-31 | 2020-03-05 | Corning Incorporated | Cordierite-indialite-pseudobrookite structured ceramic bodies, batch composition mixtures, and methods of manufacturing ceramic bodies therefrom |
CN113272042B (zh) | 2018-11-16 | 2022-10-04 | 康宁股份有限公司 | 含堇青石的陶瓷体、批料组合物混合物和含堇青石的陶瓷体的制造方法 |
CN113710629A (zh) | 2019-04-18 | 2021-11-26 | 康宁股份有限公司 | 对多孔陶瓷体进行底漆厚度控制 |
US20220258493A1 (en) | 2019-06-28 | 2022-08-18 | Corning Incorporated | Marking of ceramic bodies |
WO2021030106A1 (en) | 2019-08-13 | 2021-02-18 | Corning Incorporated | Cement mixtures for plugging honeycomb bodies and methods of making the same |
CN115697943A (zh) | 2020-08-25 | 2023-02-03 | 康宁股份有限公司 | 用于堵塞蜂窝体的胶结剂混合物及其制造方法 |
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US3943213A (en) * | 1970-04-06 | 1976-03-09 | Great Lakes Carbon Corporation | Method for manufacturing high temperature graphite fiber-graphite composites |
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JPH0669534B2 (ja) * | 1987-02-12 | 1994-09-07 | 日本碍子株式会社 | コージェライトハニカム構造体 |
JP2556559B2 (ja) * | 1988-09-09 | 1996-11-20 | キヤノン株式会社 | 間隔測定装置 |
JPH01215765A (ja) * | 1988-02-25 | 1989-08-29 | Ngk Insulators Ltd | セラミックハニカム構造体の焼成法 |
JP2578176B2 (ja) * | 1988-08-12 | 1997-02-05 | 日本碍子株式会社 | 多孔質セラミックハニカムフィルターおよびその製法 |
JPH0738930B2 (ja) * | 1990-03-30 | 1995-05-01 | 日本碍子株式会社 | 多孔質セラミックフィルタの製法 |
US5087277A (en) * | 1991-03-28 | 1992-02-11 | Virginia Polytechnic Institute | High temperature ceramic particulate filter |
-
1992
- 1992-01-03 US US07/816,226 patent/US5183608A/en not_active Expired - Lifetime
- 1992-11-11 DE DE69201434T patent/DE69201434T2/de not_active Expired - Fee Related
- 1992-11-11 EP EP92119242A patent/EP0549873B1/de not_active Expired - Lifetime
- 1992-12-25 JP JP4346120A patent/JPH05330943A/ja not_active Withdrawn
-
1993
- 1993-01-04 KR KR1019930000020A patent/KR930016376A/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017205392A1 (de) | 2017-03-30 | 2018-10-04 | Audi Ag | Partikelfilter |
Also Published As
Publication number | Publication date |
---|---|
DE69201434D1 (de) | 1995-03-23 |
EP0549873A1 (de) | 1993-07-07 |
KR930016376A (ko) | 1993-08-26 |
US5183608A (en) | 1993-02-02 |
JPH05330943A (ja) | 1993-12-14 |
EP0549873B1 (de) | 1995-02-15 |
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