EP2037092A1 - Composant pour un système de gaz d'échappement - Google Patents

Composant pour un système de gaz d'échappement Download PDF

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Publication number
EP2037092A1
EP2037092A1 EP07116099A EP07116099A EP2037092A1 EP 2037092 A1 EP2037092 A1 EP 2037092A1 EP 07116099 A EP07116099 A EP 07116099A EP 07116099 A EP07116099 A EP 07116099A EP 2037092 A1 EP2037092 A1 EP 2037092A1
Authority
EP
European Patent Office
Prior art keywords
housing
housing part
mounting mat
guide plates
filter body
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
Application number
EP07116099A
Other languages
German (de)
English (en)
Other versions
EP2037092B1 (fr
Inventor
Tom Laureys
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.)
Scambia Industrial Developments AG
Original Assignee
Scambia Industrial Developments 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 Scambia Industrial Developments AG filed Critical Scambia Industrial Developments AG
Priority to ES07116099T priority Critical patent/ES2369005T3/es
Priority to EP07116099A priority patent/EP2037092B1/fr
Priority to PL07116099T priority patent/PL2037092T3/pl
Priority to AT07116099T priority patent/ATE518050T1/de
Publication of EP2037092A1 publication Critical patent/EP2037092A1/fr
Application granted granted Critical
Publication of EP2037092B1 publication Critical patent/EP2037092B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/02—Fitting monolithic blocks into the housing

Definitions

  • the present invention relates to a component for an exhaust system with a multi-part housing and at least one therein arranged and each surrounded by a mounting mat catalyst body and / or filter body and a method for producing such a component according to the preamble of the respective independent claim.
  • Catalytic converters and diesel particulate filters have become indispensable for the automotive industry. They typically comprise a housing in which a catalyst body and / or a filter body - e.g. in the form of a ceramic substrate - are arranged.
  • a mounting mat eg an intumescent mat
  • the housing may in this case comprise a plurality of housing parts (for example two housing parts), which are connected to one another after the introduction of the catalyst body and / or filter body surrounded by the mounting mat into the one housing part, e.g. by welding or by mechanical connection.
  • the function of the mounting mat is to keep the catalyst body and / or the filter body in place in the housing, at different temperatures and with different load operation.
  • the catalyst body and / or the filter body must therefore both cold Temperatures (ie, for example, immediately after take-off) as well as at warm temperatures (ie, for a long drive on the highway) on the one hand safely held in place, on the other hand, the mechanical load on the catalyst body and / or the filter body may not be too large be to avoid damage to the catalyst body and / or the filter body.
  • a catalyst body and / or a filter body is wrapped with a mounting mat and then introduced into a first housing part.
  • the housing is assembled and in a further step, the housing parts are connected together, e.g. by welding or by mechanical connection, to prevent the exhaust gases from escaping.
  • Object of the present invention is to propose a component for an exhaust system and a method for producing the same, which do not have the disadvantages mentioned above and in particular reliably enable a tight closure of the housing.
  • the object is achieved with the aid of the component according to the invention for an exhaust system, as characterized by the features of the independent device claim.
  • Advantageous embodiments of the inventive component are the subject of the dependent device claims.
  • the object is achieved by a component for an exhaust system, which comprises means which are designed and arranged such that they after introduction of each of the mounting mat surrounded catalyst body and / or filter body in a first housing part in assembling the first housing part and the prevent further housing parts to the housing, the clamping of the mounting mat between the housing parts.
  • the housing can be reliably sealed or connected, since no parts of the mounting mat can fall between the housing parts, which could affect the tightness of the housing.
  • the means for preventing the clamping of the mounting mat comprise one or more flexible guide plates, which are arranged in the interior of the first housing part, in which is introduced by the mounting mat surrounded catalyst body and / or filter body before the housing parts are assembled.
  • the one or more flexible guide plates protrude from the first housing part in the direction of the housing part / housing parts to be assembled with the first housing part. They prevent parts of the mounting mat from getting between the individual housing parts of the multi-part housing. In this respect, it is ensured that the individual housing parts can be connected tightly together after assembly.
  • wrap the package consisting of catalyst body and / or filter body and the mounting mat with an adhesive tape so that no parts of the mounting mat can get between the individual housing parts of the multi-part housing.
  • the one or more guide plates are made of the same material as the housing parts. Thus, no different materials are necessary in the production and also the extent of heating is similar.
  • the one or more guide plates are fastened to the inner wall of that housing part into which the catalyst body and / or filter body surrounded by the mounting mat is inserted, before the housing parts are assembled.
  • An attachment of the guide plates on the inner wall of the first housing part has the advantage that the guide plates are already prefabricated on the first housing part and not in one additional step in assembling the housing must be introduced. In addition, they prevent that when introducing the surrounding of the mounting mat catalyst body and / or filter body no parts of the mounting mat protrude from the first housing part such that these parts are clamped when assembling the other housing parts between the individual housing parts.
  • the one or more guide plates are fixed to the inner wall of the first housing part by spot welding.
  • the attachment of the guide plates by means of spot welds is a manufacturing technology reliable and less expensive way of fastening the guide plates on the inner wall of the first housing part.
  • other types of attachment eg gluing, welding methods, etc.
  • the component according to the invention comprises two catalyst bodies or two filter bodies, or a catalyst body and a filter body.
  • the last-mentioned combination of a catalyst body and a filter body in a common housing enables the production of combined catalyst / particle filter components.
  • one or more flexible guide plates are used as means for preventing the mounting mat from being arranged in the interior of that housing part into which the catalyst body and / or filter body surrounded by the mounting mat is inserted before the housing parts are assembled.
  • the one or more flexible guide plates project from the housing part in the direction of the housing part to be assembled with this housing part and are pressed against the mounting mat when the housing parts are assembled.
  • the guide plates that are used are made of the same material as the housing parts.
  • the one or more guide plates are fastened to the inner wall of the first housing part.
  • the one or more guide plates on the inner wall of the first housing part by spot welding or other suitable manner (see above) attached or, as described above, clamped without attachment to the first housing part between the mounting mat and the inner wall of the first housing part ,
  • two catalyst body or two filter body, or a catalyst body and a filter body introduced into the first housing part, before the first Housing part assembled with the other housing parts and these are connected to the housing.
  • Fig. 1 shows an embodiment of the inventive component 1 for an exhaust system with a first housing part 10 and a second housing part 11.
  • the two housing parts comprise outwardly projecting flanges 101 and 111, which are assembled into a housing and connected to the respective flanges tightly.
  • the connection can be made eg by welding.
  • Fig. 2 shows component 1 of Fig. 1 on average according to the in Fig. 1 marked line II-II.
  • the upper half of Fig. 2 shows a plan view of the second housing part 11 and the lower half an interior view of the first housing part 10, wherein the catalyst body 30 and the filter body 31, the mounting mat 4, and flexible guide plates 5 are arranged in the first housing part 10.
  • Arrow 2 shows the direction of the exhaust gas flow.
  • the catalyst body 30 and the filter body 31 are wrapped with the mounting mat 4 and then introduced into the interior of the first housing part 10.
  • the previously mounted in the interior of the first housing part 10 flexible Guide plates 5 see Fig. 3 respectively.
  • the mounting mat 4 Prevent parts of the mounting mat 4 from the interior of the housing, which is formed here from the first housing part 10 and the second housing part 11, protrude and between the flanges 101 and 111 of the two housing parts 10 and 11 advised. This also applies to the other side of the housing. This ensures that the two housing parts 10 and 11 can be sealed together. Subsequently, the two housing parts 10 and 11 are sealed together by, for example, the flanges 101 and 111 are welded together.
  • Fig. 3 shows in the section III Fig. 2 the arrangement of the catalyst body 30, the mounting mat 4 and the flexible guide plate 5 relative to each other, which are all arranged in the interior of the first housing part 10.
  • Fig. 4 shows a longitudinal section of the first housing part 10 of the embodiment of Fig. 1 with the flexible guide plates 5, before the surrounding of the mounting mat catalyst body and / or the filter body is introduced.
  • the flexible guide plates 5 are fixed, for example, by spot welds 6 on the inner wall of the first housing part 10.
  • the flexible guide plates 5 are manufactured and arranged in such a way that, when the housing is closed, they are bent over from the first housing part 10 and the second housing part, so that they conform to the course of the second housing part.
  • the flexible guide plates 5 are made in the embodiment shown here, for example, from the same material as the housing parts.
  • Fig. 5 shows a further embodiment of an inventive component for an exhaust system, wherein the first housing part 10 and the second housing part 11 as half shells ("halfshells") are executed.
  • the two housing parts comprise outwardly projecting flanges 101 and 111, which are assembled into a housing and connected to each other at the respective flanges. The connection can be made eg by welding.
  • the first housing part 10 and the second housing part 11 enclose the catalyst body 30 surrounded by a mounting mat 4.
  • Fig. 6 shows a further embodiment of an inventive component for an exhaust system, wherein the housing is designed in the manner of a shoe container ("shoebox").
  • the housing comprises a first housing part 70 and a second housing part 71.
  • the first housing part 70 and the second housing part 71 enclose the catalyst body 30 surrounded by a mounting mat 4.
  • the first housing part 70 and the second housing part 71 are connected to the housing with a welded seam.
  • Fig. 7 shows a further embodiment of an inventive component for an exhaust system, wherein the housing is designed as Tourniquetgeophuse ("tourniquet").
  • the Tourniquetgeophuse is formed from a single housing part 80 which surrounds the surrounding of a mounting mat 4 catalyst body 30.
  • the housing part 80 is connected to the housing with a weld.
  • FIG. 8 a further embodiment of an inventive component for an exhaust system, wherein the housing parts with a butt weld ("butt
  • the housing comprises a single housing part 90, which encloses the catalyst body 30 surrounded by a mounting mat 4.
  • the housing part 90 is connected to the housing with a butt weld seam.

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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP07116099A 2007-09-11 2007-09-11 Composant pour un système de gaz d'échappement Not-in-force EP2037092B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES07116099T ES2369005T3 (es) 2007-09-11 2007-09-11 Componente para un sistema de gases de escape.
EP07116099A EP2037092B1 (fr) 2007-09-11 2007-09-11 Composant pour un système de gaz d'échappement
PL07116099T PL2037092T3 (pl) 2007-09-11 2007-09-11 Komponent do układu gazów wydechowych
AT07116099T ATE518050T1 (de) 2007-09-11 2007-09-11 Komponente für ein abgassystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07116099A EP2037092B1 (fr) 2007-09-11 2007-09-11 Composant pour un système de gaz d'échappement

Publications (2)

Publication Number Publication Date
EP2037092A1 true EP2037092A1 (fr) 2009-03-18
EP2037092B1 EP2037092B1 (fr) 2011-07-27

Family

ID=38754579

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07116099A Not-in-force EP2037092B1 (fr) 2007-09-11 2007-09-11 Composant pour un système de gaz d'échappement

Country Status (4)

Country Link
EP (1) EP2037092B1 (fr)
AT (1) ATE518050T1 (fr)
ES (1) ES2369005T3 (fr)
PL (1) PL2037092T3 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322388A (en) * 1979-11-26 1982-03-30 Arvin Industries, Inc. Catalytic converter assembly
US5888457A (en) * 1995-10-16 1999-03-30 Honda Giken Kogyo Kabushiki Kaisha Catalytic converter
WO2001079667A1 (fr) * 2000-04-15 2001-10-25 Volkswagen Aktiengesellschaft Procede et dispositif pour produire un catalyseur comportant un monolithe non circulaire
WO2003008773A1 (fr) * 2001-06-29 2003-01-30 Thyssenkrupp Stahl Ag Element central en forme d'enveloppe d'un boitier catalytique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0711245B2 (ja) * 1988-02-09 1995-02-08 株式会社ユタカ技研 触媒コンバータ
EP0992659B1 (fr) * 1998-10-05 2007-05-02 Scambia Industrial Developments Aktiengesellschaft Elément de conduit d'échappement et procédé de préparation d'un élément de conduit d'échappement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322388A (en) * 1979-11-26 1982-03-30 Arvin Industries, Inc. Catalytic converter assembly
US5888457A (en) * 1995-10-16 1999-03-30 Honda Giken Kogyo Kabushiki Kaisha Catalytic converter
WO2001079667A1 (fr) * 2000-04-15 2001-10-25 Volkswagen Aktiengesellschaft Procede et dispositif pour produire un catalyseur comportant un monolithe non circulaire
WO2003008773A1 (fr) * 2001-06-29 2003-01-30 Thyssenkrupp Stahl Ag Element central en forme d'enveloppe d'un boitier catalytique

Also Published As

Publication number Publication date
ATE518050T1 (de) 2011-08-15
EP2037092B1 (fr) 2011-07-27
ES2369005T3 (es) 2011-11-24
PL2037092T3 (pl) 2011-12-30

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