EP1056933B1 - Mat de montage pour la fixation d'un catalyseur de gaz d'echappement - Google Patents

Mat de montage pour la fixation d'un catalyseur de gaz d'echappement Download PDF

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Publication number
EP1056933B1
EP1056933B1 EP99965458A EP99965458A EP1056933B1 EP 1056933 B1 EP1056933 B1 EP 1056933B1 EP 99965458 A EP99965458 A EP 99965458A EP 99965458 A EP99965458 A EP 99965458A EP 1056933 B1 EP1056933 B1 EP 1056933B1
Authority
EP
European Patent Office
Prior art keywords
filaments
support substrate
quilting
fan
fold
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 - Lifetime
Application number
EP99965458A
Other languages
German (de)
English (en)
Other versions
EP1056933A1 (fr
Inventor
Claus Schierz
Bernhard Kohlsdorf
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.)
Asglawo - Stoffe Zum Dammen und Verstarken GmbH
Original Assignee
Asglawo - Stoffe Zum Dammen und Verstarken GmbH
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
Priority claimed from DE19911247A external-priority patent/DE19911247C2/de
Application filed by Asglawo - Stoffe Zum Dammen und Verstarken GmbH filed Critical Asglawo - Stoffe Zum Dammen und Verstarken GmbH
Publication of EP1056933A1 publication Critical patent/EP1056933A1/fr
Application granted granted Critical
Publication of EP1056933B1 publication Critical patent/EP1056933B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 storage one used for the cleaning of motor vehicle exhaust gases Catalytic converter in a metallic catalytic converter housing, in the form of a binder-free, multi-layer Fabric made of temperature-resistant threads, which is mechanically consolidated by stitching, the threads consist of filaments as well as the stitching and the Tension is fixed in the fabric and the stitching are carried out with a sewing thread, the Temperature resistance is less than the operating temperature the storage mat.
  • the storage mat is on Scope of the ceramic carrier body of an exhaust gas catalytic converter arranged and seals the annular gap between ceramic carrier body and that of a metallic Material existing catalyst housing.
  • the storage mat also forms a thermal barrier coating on the inner wall of the catalyst housing and reduces the noise transmitted to the outside flowing exhaust gases.
  • a storage mat of the type mentioned is out US-A 5 028 397 known.
  • This known storage mat has flexible ceramic fibers. These fibers tend to them over time with the flowing combustion gases be carried out. As a result, the seal of the Annular gap gradually deteriorates.
  • 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 SiO 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 wear. Both fibers and particulate expandable material are discharged with the flowing combustion gases, with the result that the sealing of the annular gap becomes worse and the erosion increases.
  • the invention has for its object a storage mat for catalytic converters to specify the blow-out proof is and the annular gap between the catalytic converter and Catalytic converter housing at both low and high Exhaust gas seals well.
  • the object is achieved by a Storage mat of the type mentioned, which thereby is characterized in that the threads from crimped yarn consist.
  • the resulting crimp yarns are voluminous and are characterized by high elasticity out.
  • they are made from a crimped yarn existing threads under tension to form a fabric has been deposited, which is a usual thickness for storage mats having.
  • the threads are inside the The fabric is fixed while maintaining the tension becomes.
  • the sewing thread used for the stitching consists of a material whose temperature resistance is lower than the operating temperature of the storage mat.
  • the quilting seams are the specified operating temperature destroyed, with a strain relief of the temperature-resistant Deformation energy stored in the crimped yarn is released.
  • the deformation energy released is significant and enables a remarkable Volume increase of the fabric. Is correspondingly large the sealing force of the between the catalyst housing and the Exhaust gas catalyst built-in storage mat as soon as the Quilting seams by heating the storage mat for the first time at operating temperature have been destroyed.
  • the one with the Dissolution of the quilting seams increasing volume of the Storage mat according to the invention is temperature-dependent.
  • the storage mat according to the invention for exhaust gas catalysts can also be used as with catalytic converters for hot combustion gases, as in Gasoline engines are common. Since the storage mat according to the invention neither particulate bulking nor fiber fragments contains only from long filament threads there is a risk of erosion or Abrasion under the effect of the flowing combustion exhaust gases low.
  • the crimped yarn preferably consists of SiO 2 filaments and / or filaments made of textile glass and / or AL 2 O 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, SiO 2 , metals and the like come into question.
  • the invention teaches that from the continuous and mechanically consolidated with stitching Web mats are punched out and before or after the punching process in the area of the cut edges seams with a thread made of a temperature-resistant material.
  • the invention is based on only one Exemplary embodiment illustrating the drawing.
  • the only figure shows a process diagram for the production of storage mats for catalytic converters.
  • the manufacturing process shown is crimped yarn inorganic filaments in several strands 1 of rolls 2 deducted and under tension on a cross to Discharge direction moving transport device 3 to one flat, multi-layer fabric 4 filed.
  • the strands 1 are on the edge chains 5 of the Transport device 3 hooked. This will cause the tension maintained in strands 1.
  • the thickness of the The fabric depends on the application. ever according to the diameter and weight of the catalyst for which the Storage mat is intended, storage mats from a few millimeters thick to a few centimeters thick used. The thickness of the fabric is corresponding set up.
  • the transport device 3 passes through a station 6, in of the fabric 4 with stitching 7 mechanically so is solidified that the threads of the fabric continue be under tension when the fabric 4 of the transport device 3 is released.
  • stitching 7 a sewing thread is used, its temperature resistance is lower than the operating temperature of the storage mat.
  • 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 SiO 2 filaments and / or filaments made of textile glass and / or filaments containing AL 2 O 3 .
  • 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)

Claims (5)

  1. Natte de montage pour le montage d'un catalyseur de gaz d'échappement dans un carter métallique de catalyseur , lequel catalyseur étant utilisé pour le nettoyage de gaz d'échappement d'un véhicule automobile, la natte étant en forme d'une structure en deux dimensions (4) en plusieurs couches, sans liant, et en fils résistants à la température et laquelle natte est mécaniquement consolidée au moyen de coutures piquées (7) , les fils étant composés de filaments, fixés sous tension de traction au moyen de coutures piquées (7) dans la structure à deux dimensions (4) et les coutures piquées étant faites par un fil à coudre dont la résistance à la température est plus faible que la température de service de la natte de montage, caractérisé en ce que les fils sont composés de fils frisés.
  2. Natte de montage selon la revendication 1, caractérisé en ce que le fil frisé est composé de filaments en SiO2, et/ou de filaments en fibres de verre et/ou de filaments anorganiques contenant de Al2O3.
  3. Natte de montage selon la revendication 1 ou 2, caractérisé en ce qu'on a prévu sur des bords coupés de la natte de montage des coutures (9) composés de fils résistants à la température, comme par exemple des fibres de verre.
  4. Procédé pour la fabrication d'une natte de montage selon une des revendications 1 à 3, caractérisé en ce que du fil frisé composé de filaments résistants à la température est retiré en plusieurs écheveaux (4) des rouleaux (2) et est déposé sous tension de traction sur un dispositif de transport (3) en mouvement en biais par rapport à la direction de retrait, pour former une structure plane en deux dimensions en plusieurs couches, laquelle structure en deux dimensions étant déplacée au moyen du dispositif de transport (3) et mécaniquement consolidée de manière à ce que les fils de la structure à deux dimensions continuent d'être sous tension de traction quand la structure en deux dimensions est enlevée du dispositif de transport et pour les coutures piquées (7) est utilisé un fil de couture dont la résistance à la température est plus faible que la température de service de la natte.
  5. Procédé selon la revendication 4, caractérisé en ce que des nattes (8) sont estampées de la bande continue , qui est mécaniquement consolidée au moyen de coutures piquées (7) , et des coutures (9) composées d'un fil en une matière résistant à la température sont placées avant et après le processus d'estampages dans la zone des bords coupés
EP99965458A 1998-12-16 1999-12-14 Mat de montage pour la fixation d'un catalyseur de gaz d'echappement Expired - Lifetime EP1056933B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19858023 1998-12-16
DE19858023 1998-12-16
DE19911247A DE19911247C2 (de) 1998-12-16 1999-03-13 Lagerungsmatte für die Lagerung eines Abgaskatalysators und Verfahren zu ihrer Herstellung
DE19911247 1999-03-13
PCT/EP1999/009881 WO2000036284A1 (fr) 1998-12-16 1999-12-14 Mat de montage pour la fixation d'un catalyseur de gaz d'echappement

Publications (2)

Publication Number Publication Date
EP1056933A1 EP1056933A1 (fr) 2000-12-06
EP1056933B1 true EP1056933B1 (fr) 2002-09-25

Family

ID=26050790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99965458A Expired - Lifetime EP1056933B1 (fr) 1998-12-16 1999-12-14 Mat de montage pour la fixation d'un catalyseur de gaz d'echappement

Country Status (5)

Country Link
US (1) US6756107B1 (fr)
EP (1) EP1056933B1 (fr)
JP (1) JP2002532650A (fr)
AT (1) ATE224998T1 (fr)
WO (1) WO2000036284A1 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2000279757A1 (en) * 2000-07-28 2002-02-13 Anatoly Pavlovich Artsebarskiy 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
TWI380850B (zh) * 2004-06-29 2013-01-01 Unifrax Corp 廢氣處理裝置及其製造方法
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
DE102007036978A1 (de) 2007-08-06 2009-02-12 Tridonicatco Gmbh & Co. Kg Vorrichtung und Verfahren zur Steuerung der Lichtabgabe
BRPI0917717A2 (pt) * 2008-08-29 2016-02-16 Unifrax I Llc esteira de montagem com protetor de borda flexível e dispositivo de tratamento de gás de exaustão incorporado na esteira de montagem.
EP2358359B1 (fr) * 2008-12-15 2019-04-17 Unifrax I LLC Revêtement céramique de peau à structure en nid d'abeille
CN102459834B (zh) * 2009-04-17 2017-02-08 尤尼弗瑞克斯 I 有限责任公司 排气处理装置
GB0906837D0 (en) 2009-04-21 2009-06-03 Saffil Automotive Ltd Mats
WO2011019377A2 (fr) * 2009-08-10 2011-02-17 Unifrax I Llc Préforme ou tapis de montage dont la masse surfacique est variable et dispositif de traitement des gaz d’échappement
WO2011019396A2 (fr) 2009-08-14 2011-02-17 Unifrax I Llc Mat de montage pour dispositif de traitement de gaz d'échappement
WO2011019394A1 (fr) * 2009-08-14 2011-02-17 Unifrax I Llc Support de substrat multicouche et dispositif de traitement de gaz d'échappement
US8071040B2 (en) * 2009-09-23 2011-12-06 Unifax I LLC Low shear mounting mat for pollution control devices
EP2480765A1 (fr) * 2009-09-24 2012-08-01 Unifrax I LLC Nappe à plusieurs couches et dispositif de traitement des gaz d'échappement
CN102713187B (zh) 2009-12-01 2016-05-04 萨菲尔汽车有限公司 安装垫
CN102753795B (zh) 2009-12-17 2016-02-17 尤尼弗瑞克斯I有限责任公司 微球体在废气处理装置安装垫中的用途
EP2513444B1 (fr) * 2009-12-17 2017-05-03 Unifrax I LLC Nappe de montage multicouche pour dispositifs antipollution
US20110150717A1 (en) * 2009-12-17 2011-06-23 Unifrax I Llc Mounting mat for exhaust gas treatment device
US8765069B2 (en) 2010-08-12 2014-07-01 Unifrax I Llc Exhaust gas treatment device
DK2603676T3 (en) 2010-08-13 2016-04-25 Unifrax I Llc Flexible mounting mat with edge protection and exhaust gas treatment device including the mat assembly
EP2638261A4 (fr) 2010-11-11 2014-08-06 Unifrax I Llc Mat de support et dispositif de traitement des gaz d'échappement
US9924564B2 (en) 2010-11-11 2018-03-20 Unifrax I Llc Heated mat and exhaust gas treatment device
DE102011012156A1 (de) 2011-02-23 2012-08-23 Dbw Holding Gmbh Verfahren zur Herstellung eines Formmatrials aus Fasermaterialien und Vorrichtung hierüber
DE102011012202B4 (de) * 2011-02-23 2014-09-25 Dbw Holding Gmbh Schalldämpfereinsatz für Kraftfahrzeuge und Verfahren zur Herstellung hiervon
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

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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
US5028397A (en) 1988-02-11 1991-07-02 Minnesota Mining And Manufacturing Company Catalytic converter
US4929429A (en) * 1988-02-11 1990-05-29 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

Also Published As

Publication number Publication date
JP2002532650A (ja) 2002-10-02
ATE224998T1 (de) 2002-10-15
EP1056933A1 (fr) 2000-12-06
US6756107B1 (en) 2004-06-29
WO2000036284A1 (fr) 2000-06-22

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