EP1056933A1 - Lagerungsmatte für die lagerung eines abgaskatalysators - Google Patents
Lagerungsmatte für die lagerung eines abgaskatalysatorsInfo
- Publication number
- EP1056933A1 EP1056933A1 EP99965458A EP99965458A EP1056933A1 EP 1056933 A1 EP1056933 A1 EP 1056933A1 EP 99965458 A EP99965458 A EP 99965458A EP 99965458 A EP99965458 A EP 99965458A EP 1056933 A1 EP1056933 A1 EP 1056933A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filaments
- temperature
- storage mat
- stitching
- threads
- 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.)
- Granted
Links
Classifications
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
- F01N3/2864—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets comprising two or more insulation layers
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24033—Structurally defined web or sheet [e.g., overall dimension, etc.] including stitching and discrete fastener[s], coating or bond
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
Definitions
- the invention relates to a storage mat for storing an exhaust gas catalytic converter used for the cleaning of motor vehicle exhaust gases in a metallic catalytic converter housing.
- the storage mat is arranged on the circumference of the ceramic carrier body of an exhaust gas catalytic converter and seals the annular gap between the ceramic carrier body and the catalytic converter housing, which consists of a metallic material. It is intended to enable safe, vibration-free storage of the ceramic support body and must compensate for a change in the width of the annular gap to be sealed when the metallic catalyst housing expands at the operating temperature specified by the combustion exhaust gases.
- the storage mat also forms a thermal barrier coating on the inner wall of the catalytic converter housing and reduces the sound noise transmitted to the outside by the flowing exhaust gases.
- the storage mat consists of short inorganic fibers, an organic binder, and particulate inclusions made of an expanding material, for example mica or vermiculite, which expands under the action of heat and causes the storage mat to increase in volume at operating temperature.
- the inorganic fibers embedded in the binder consist of ceramic staple fibers or comminuted Si0 2 filaments with an average length of a few millimeters. (DE-U 93 11 571).
- a storage mat with short inorganic fibers tends to erode and Abrasion. Both fibers and particulate expandable material are discharged with the flowing combustion exhaust gases, with the result that the sealing of the annular gap becomes worse and the erosion increases.
- the invention has for its object to provide a storage mat for catalytic converters that is blow-out-proof and seals the annular gap between the catalytic converter and the catalyst housing well both at low and at high exhaust gas temperatures.
- a storage mat in the form of a binder-free, multi-layer fabric made of temperature-resistant threads, which is mechanically consolidated by stitching, wherein
- the threads consist of a crimped yarn made of filaments and are fixed by the stitching under tension in the fabric and the stitching is carried out with a sewing thread whose temperature resistance is lower than the operating temperature of the storage mat.
- the resulting crimped yarns are voluminous and are characterized by high elasticity.
- the threads consisting of a crimped yarn have been deposited under tension to form a flat structure which has a thickness which is customary for bearing mats.
- the threads are fixed within the fabric by quilting seams, while the tension is maintained.
- the sewing thread used for the stitching is made of a material whose temperature resistance is lower than the operating temperature of the storage mat.
- the storage mat according to the invention can thus be used in exhaust gas catalysts which are operated at relatively low temperatures, just as in exhaust gas catalysts for hot combustion exhaust gases, as are customary in gasoline engines. Since the storage mat according to the invention does not contain any particulate expanded materials or fiber fragments but instead consists exclusively of long filament threads, the risk of erosion or abrasion under the action of the flowing combustion exhaust gases is low.
- the crimped yarn preferably consists of Si0 2 filaments and / or filaments made of textile glass and / or AL 2 0 3 -containing inorganic filaments.
- other high-temperature-resistant crimped yarns made from organic or inorganic materials should not be excluded.
- the invention teaches that seams made of a temperature-resistant thread are provided on cut edges of the storage mat. The seams on the cut edges made of a temperature-resistant thread material ensure additional edge protection and contribute to a further improvement in the blow-out safety of the bearing mat according to the invention. Threads are suitable which still have sufficient tensile strength at the working temperature of the storage mat. Threads made of textile glass, Si0 2 , metals and the like come into question.
- the invention also relates to a method for producing the storage mat with the following features: a) crimped yarn made of temperature-resistant filaments is drawn off from rolls in several strands and placed under tension on a transport device moved transversely to the pull-off direction to form a flat, multi-layered flat structure.
- Fabric is released from the transport device.
- the invention teaches that mats are punched out of the continuous web, which is mechanically consolidated with quilting seams, and before or after the punching
- crimped yarn made of inorganic filaments is rolled in a plurality of strands 1 2 pulled off and placed under tension on a transport device 3 moved transversely to the pull-off direction to form a flat, multi-layered sheet-like structure 4.
- the strands 1 are hooked onto the edge-side chains 5 of the transport device 3. This maintains the tension in strands 1.
- the thickness of the fabric depends on the application. Depending on the diameter and weight of the catalyst for which the storage mat is intended, storage mats with a thickness of a few millimeters to a few centimeters are used. The thickness of the fabric is set up accordingly.
- the transport device 3 passes through a station 6, in which the fabric 4 is mechanically consolidated with stitching 7 so that the threads of the fabric continue to be under tension when the fabric 4 is released from the transport device 3.
- a sewing thread is used for the stitching seams 7, the temperature resistance of which is lower than the operating temperature of the storage mat.
- mats 8 are punched out of the continuous web, which is mechanically consolidated with quilting seams 7, seams 9 being made with a thread of temperature-resistant material in the area of the cut edges before or after the punching process.
- the material web mechanically consolidated with quilting seams can also first be rolled up to form an endless belt and the assembly into mats is carried out by the customer through punching operations elsewhere.
- binder-free storage mats for the storage of exhaust gas catalysts are produced. They consist of a multi-layer fabric made of inorganic threads, which is mechanically consolidated by stitching.
- the threads consist of a crimped yarn made of filaments and are fixed in the fabric by the stitching under tension and that the stitching is carried out with a sewing thread whose temperature resistance is lower than the operating temperature of the storage mat.
- the crimped yarn preferably consists of Si0 2 filaments and / or filaments made of textile glass and / or AL 2 0 3 -containing filaments.
- Synthetic sewing threads are used for the quilting seams, which are not heat-resistant and are destroyed when the storage mat is heated to working temperature. With the destruction of the sewing threads, deformation energy of the crimped yarn is released, whereby the volume of the storage mat increases and the sealing force of the storage mat clamped between the catalyst and the catalyst housing increases.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Nonwoven Fabrics (AREA)
Description
Claims
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19858023 | 1998-12-16 | ||
| DE19858023 | 1998-12-16 | ||
| DE19911247 | 1999-03-13 | ||
| DE19911247A DE19911247C2 (de) | 1998-12-16 | 1999-03-13 | Lagerungsmatte für die Lagerung eines Abgaskatalysators und Verfahren zu ihrer Herstellung |
| PCT/EP1999/009881 WO2000036284A1 (de) | 1998-12-16 | 1999-12-14 | Lagerungsmatte für die lagerung eines abgaskatalysators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1056933A1 true EP1056933A1 (de) | 2000-12-06 |
| EP1056933B1 EP1056933B1 (de) | 2002-09-25 |
Family
ID=26050790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99965458A Expired - Lifetime EP1056933B1 (de) | 1998-12-16 | 1999-12-14 | Lagerungsmatte für die lagerung eines abgaskatalysators |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6756107B1 (de) |
| EP (1) | EP1056933B1 (de) |
| JP (1) | JP2002532650A (de) |
| AT (1) | ATE224998T1 (de) |
| WO (1) | WO2000036284A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8358075B2 (en) | 2007-08-06 | 2013-01-22 | Ledon Lighting Jennersdorf Gmbh | Device and a method for controlling light emission |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002010563A1 (en) * | 2000-07-28 | 2002-02-07 | Vladimir Omarovich Tokarev | Device for cleaning exhaust gases |
| DE10055966A1 (de) * | 2000-11-11 | 2002-05-29 | Asglawo Gmbh Stoffe Zum Daemme | Faden, der bei Erhitzung expandiert, und Verfahren zu seiner Herstellung |
| DE10057158C1 (de) * | 2000-11-16 | 2002-03-28 | Asglawo Gmbh Stoffe Zum Daemme | Lagerungsmatte für die Lagerung eines Abgaskatalysators |
| AR054074A1 (es) * | 2004-06-29 | 2007-06-06 | Unifrax Corp | Dispositivo para tratamiento de gases de escape y metodo para elaborarlo |
| JP2007031867A (ja) * | 2005-07-25 | 2007-02-08 | Ibiden Co Ltd | 排ガス処理体の保持シール材用打抜板及びそれを用いた保持シール材の製造方法 |
| DE202005018611U1 (de) * | 2005-11-28 | 2006-02-16 | Schierz, Claus, Dipl.-Ing. | Lagerungsmatte für die Lagerung eines Abgaskatalysators |
| US8524161B2 (en) * | 2007-08-31 | 2013-09-03 | Unifrax I Llc | Multiple layer substrate support and exhaust gas treatment device |
| KR101756077B1 (ko) * | 2008-08-29 | 2017-07-10 | 유니프랙스 아이 엘엘씨 | 가요성 가장자리 보호제를 구비하는 장착 매트 및 장착 매트를 통합한 배기 가스 처리 장치 |
| KR101784013B1 (ko) | 2008-12-15 | 2017-10-10 | 유니프랙스 아이 엘엘씨 | 세라믹 허니콤 구조체의 스킨 코팅 |
| JP2012524206A (ja) * | 2009-04-17 | 2012-10-11 | ユニフラックス ワン リミテッド ライアビリティ カンパニー | 排ガス処理装置 |
| GB0906837D0 (en) | 2009-04-21 | 2009-06-03 | Saffil Automotive Ltd | Mats |
| JP5822163B2 (ja) * | 2009-08-10 | 2015-11-24 | ユニフラックス ワン リミテッド ライアビリティ カンパニー | 可変基本質量取付けマットまたはプレフォームおよび排気ガス処理装置 |
| US9174169B2 (en) | 2009-08-14 | 2015-11-03 | Unifrax I Llc | Mounting mat for exhaust gas treatment device |
| US8071040B2 (en) * | 2009-09-23 | 2011-12-06 | Unifax I LLC | Low shear mounting mat for pollution control devices |
| EP2480765A1 (de) * | 2009-09-24 | 2012-08-01 | Unifrax I LLC | Mehrlagige matte und abgasbehandlungsvorrichtung |
| EP2507490B1 (de) | 2009-12-01 | 2017-01-25 | Unifrax Emission Control Europe Ltd. | Lagermatte |
| US8926911B2 (en) | 2009-12-17 | 2015-01-06 | Unifax I LLC | Use of microspheres in an exhaust gas treatment device mounting mat |
| EP2513443B1 (de) * | 2009-12-17 | 2016-08-10 | Unifrax I LLC | Montagematte für eine abgasnachbehandlungsvorrichtung |
| EP2513444B1 (de) * | 2009-12-17 | 2017-05-03 | Unifrax I LLC | Mehrlagige montagematte für umweltschutz-vorrichtungen |
| WO2012021817A2 (en) | 2010-08-12 | 2012-02-16 | Unifrax I Llc | Exhaust gas treatment device |
| ES2569370T3 (es) | 2010-08-13 | 2016-05-10 | Unifrax I Llc | Estera de montaje con protección flexible de bordes y dispositivo de tratamiento de gases de escape con la estera de montaje incorporada |
| US9924564B2 (en) | 2010-11-11 | 2018-03-20 | Unifrax I Llc | Heated mat and exhaust gas treatment device |
| CN103547777A (zh) | 2010-11-11 | 2014-01-29 | 尤尼弗瑞克斯I有限责任公司 | 安装垫和废气处理装置 |
| DE102011012202B4 (de) * | 2011-02-23 | 2014-09-25 | Dbw Holding Gmbh | Schalldämpfereinsatz für Kraftfahrzeuge und Verfahren zur Herstellung hiervon |
| DE102011012156A1 (de) | 2011-02-23 | 2012-08-23 | Dbw Holding Gmbh | Verfahren zur Herstellung eines Formmatrials aus Fasermaterialien und Vorrichtung hierüber |
| CN107075805B (zh) | 2015-02-24 | 2021-04-20 | 尤尼弗瑞克斯 I 有限责任公司 | 耐高温隔热垫 |
| US10156171B2 (en) | 2015-08-07 | 2018-12-18 | Cummins Emission Solutions Inc. | Mounting aftertreatment systems from service joints |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011651A (en) * | 1973-03-01 | 1977-03-15 | Imperial Chemical Industries Limited | Fibre masses |
| GB8504239D0 (en) * | 1985-02-19 | 1985-03-20 | W F J Refractories Ltd | Use of fibrous materials |
| US4929429A (en) | 1988-02-11 | 1990-05-29 | Minnesota Mining And Manufacturing Company | Catalytic converter |
| US5028397A (en) * | 1988-02-11 | 1991-07-02 | Minnesota Mining And Manufacturing Company | Catalytic converter |
| GB9011858D0 (en) * | 1990-05-26 | 1990-07-18 | Fibre Tech Ltd | Catalytic converters |
| DE9311571U1 (de) | 1993-08-03 | 1993-10-14 | h.k.o. Isolier- und Textiltechnik GmbH, 46049 Oberhausen | Blähmatte |
-
1999
- 1999-12-14 JP JP2000588500A patent/JP2002532650A/ja not_active Withdrawn
- 1999-12-14 US US09/600,847 patent/US6756107B1/en not_active Expired - Fee Related
- 1999-12-14 WO PCT/EP1999/009881 patent/WO2000036284A1/de not_active Ceased
- 1999-12-14 EP EP99965458A patent/EP1056933B1/de not_active Expired - Lifetime
- 1999-12-14 AT AT99965458T patent/ATE224998T1/de not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0036284A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8358075B2 (en) | 2007-08-06 | 2013-01-22 | Ledon Lighting Jennersdorf Gmbh | Device and a method for controlling light emission |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE224998T1 (de) | 2002-10-15 |
| US6756107B1 (en) | 2004-06-29 |
| JP2002532650A (ja) | 2002-10-02 |
| WO2000036284A1 (de) | 2000-06-22 |
| EP1056933B1 (de) | 2002-09-25 |
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