EP1882089A1 - Procede de production d'un dispositif de guidage de gaz d'echappement - Google Patents

Procede de production d'un dispositif de guidage de gaz d'echappement

Info

Publication number
EP1882089A1
EP1882089A1 EP06701384A EP06701384A EP1882089A1 EP 1882089 A1 EP1882089 A1 EP 1882089A1 EP 06701384 A EP06701384 A EP 06701384A EP 06701384 A EP06701384 A EP 06701384A EP 1882089 A1 EP1882089 A1 EP 1882089A1
Authority
EP
European Patent Office
Prior art keywords
outer housing
marking lines
insert
casing
longitudinal axis
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
EP06701384A
Other languages
German (de)
English (en)
Other versions
EP1882089B1 (fr
Inventor
Erich Forster
Peter Kroner
Stefan Schmidt
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.)
Faurecia Emissions Control Technologies Germany GmbH
Original Assignee
Emcon Technologies Germany Augsburg GmbH
ArvinMeritor Emissions Technologies 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
Application filed by Emcon Technologies Germany Augsburg GmbH, ArvinMeritor Emissions Technologies GmbH filed Critical Emcon Technologies Germany Augsburg GmbH
Publication of EP1882089A1 publication Critical patent/EP1882089A1/fr
Application granted granted Critical
Publication of EP1882089B1 publication Critical patent/EP1882089B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic 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
    • 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
    • F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/26—Tubes being formed by extrusion, drawing or rolling
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49398—Muffler, manifold or exhaust pipe making

Definitions

  • the invention relates to a method for producing an exhaust gas-carrying device, comprising at least one insert and a cylindrical outer housing, comprising the following steps: inserting the insert into the outer housing and applying radial forces by means of pressing against the outer circumferential surface of the outer housing clamping jaws, the Deform the outer housing plastically inwards to clamp the insert in the outer housing.
  • the invention also relates to an exhaust gas-carrying device, with at least one insert and a plastically deformed cylindrical outer housing.
  • the exhaust gas delivery device may be, for example, a catalytic converter, a diesel particulate filter or a silencer of a motor vehicle.
  • Figure 1 shows a tool that is commonly used to clamp an insert, which is formed in the case of a motor vehicle catalytic converter 10, for example by a ceramic substrate 12 and an insulating mat 14, in an outer housing 16.
  • the tool has a plurality of clamping jaws 18, which are arranged around the substrate 12, the insulating mat 14 and the outer housing 16. Subsequently, the clamping jaws 18 are pressed radially inward, toward the outer housing 16, whereby radial forces act on the outer peripheral surface of the outer housing 16. As a result, the outer housing 16 is plastically deformed inwardly and thus clamped the substrate 12 with the insulating mat 14 in the outer housing 16.
  • the jaws 18 have in a fully merged state in the form of a hollow cylinder whose inner diameter corresponds to the desired outer diameter of the finished catalyst 10 just.
  • a disadvantage of the described method for producing an exhaust gas-carrying device is that 18 by the Zusarnmen leading the jaws marking lines in the outer housing 16, which are adjacent to the contact surfaces of the inner longitudinal edges 20 of the jaws 18 with the outer housing 16 and by the partial impressions of the outer housing 16 arise.
  • These inner longitudinal edges 20 extend in the jaws 18 according to the prior art straight and parallel to the longitudinal axis L of the outer housing 16, as can be seen particularly well in Figure 2, which shows the unwound inner surface of the tool according to the prior art.
  • outer housing 16 When forming, it may come to sinking, also called denting, a portion of the outer housing 16. This danger exists in particular in outer casings which have no circular but, for example, an elliptical or an approximately triangular cross-section.
  • the object of the invention is therefore to provide a method of the type mentioned, by means of which an exhaust gas-conducting device can be produced, whose outer housing has a higher stability during the forming.
  • the jaws are formed and have such edges that marking lines are formed in the outer housing, which do not extend over the portion of the outer housing in which the insert is arranged, not axially parallel to the outer housing.
  • the method according to the invention arises from a gas-conducting device of the type mentioned, in which the outer housing has marking lines, which do not extend axially parallel to the outer housing over that portion of the outer housing in which the insert is arranged.
  • the resulting marking lines thus have one or more sections which are not parallel to the axis of the outer housing, which is also meant that they comprise several axially parallel sections, but which offset from one another.
  • the marking lines are not both continuous as well as continuously paraxial, whereby the susceptibility of the outer housing against sagging or denting is significantly reduced.
  • the inventive method is also characterized by its simple and cost-effective usability, since ideally only the jaws 18 must be replaced in the method according to the prior art, the other production facilities can be maintained.
  • the marking lines have at least one section extending obliquely to the longitudinal axis of the outer housing, whereby the outer housing is more stable during forming.
  • the marking lines preferably have at least one axially parallel section and at least one section extending transversely to the longitudinal axis of the outer housing and are thereby caused by clamping jaws which can be manufactured comparatively easily.
  • a plurality of axially successively arranged groups of marking lines extending over partial lengths are formed in the outer housing, wherein the marking lines of successive groups are arranged offset from one another in the circumferential direction.
  • This is z. B. achieved by the use of jaws, which have a plurality of axially successively arranged sections, each having axially parallel to the outer housing extending longitudinal edges, wherein each two successive Teu publishede offset from one another.
  • Such trained jaws are characterized by their particularly simple and therefore cost-effective manufacturability.
  • each jaw parallel to each other, wherein advantageously all jaws have the same geometries and dimensions. This gives you a set of jaws that are interchangeable with each other, which, for example, can easily keep spare parts in stock.
  • FIG. 1 is a perspective view of a tool for producing an exhaust gas-conducting device according to the prior art, partly in section;
  • FIG. 2 is a plan view of the unwound inner surface of the tool according to the prior art of Figure 1;
  • FIG. 3 shows a sectional view through an exhaust-gas-conducting device produced by the method according to the invention
  • FIG. 4 is a plan view of the unwound inner surface of a tool for carrying out the inventive method, which also corresponds to the plan view of a developed outer casing;
  • FIGS. 5a to 5h are schematic views of various embodiments of marking lines that arise in carrying out the method according to the invention in the outer casing of the exhaust gas-conducting device.
  • FIG. 3 shows a sectional view through an exhaust-gas-conducting device in the form of a catalyst 10, which was produced by means of the method according to the invention.
  • the outer housing 16 of the catalyst 10 has, as known from the prior art, a plurality of marking lines 22, which arise from the fact that the outer housing 16 is deformed only in the region of the jaws 18 inwardly and not between the opposite longitudinal edges 20 adjacent jaws 18th
  • the outwardly projecting marking lines 22 do not run continuously parallel to the axis Outer housing 16, whereby the outer housing 16 is less susceptible to the sinking or buckling during forming.
  • FIG. 4 One possible tool for clamping the ceramic substrate 12 and the insulating mat 14 in the outer housing 16 is shown in FIG. Again, the tool is a hollow cylinder consisting of a plurality of clamping jaws 18, in comparison to the prior art (see FIG. 2), however, in the clamping jaws 18 according to the invention, the longitudinal edges 20 do not run continuously axially parallel to the outer casing 16.
  • the clamping jaws 18 according to FIG. 4 comprises an upper portion 18a, a middle portion 18b, and a lower portion 18c, with the middle portion 18b of each jaw being leftward about half a jaw width from the upper portion 18a and lower portion 18c is offset.
  • each clamping jaw 18 extends parallel to one another over the entire length of the clamping jaw 18, and all clamping jaws 18 have the same geometry and the same dimensions, ie they engage seamlessly in the merged state.
  • a plurality of bead-like marking lines 22a arranged parallel to one another are formed in the outer housing 16, which run in a crenellated manner along the longitudinal axis L of the outer housing 16 and essentially have the shape shown in FIG. 5a.
  • each individual clamping jaw 18 consists of three separate sections 18a, 18b and 18c which are offset in the circumferential direction of the outer housing 16.
  • each individual clamping jaw 18 consists of three separate sections 18a, 18b and 18c which are offset in the circumferential direction of the outer housing 16.
  • the jaws 18 may also have any other configuration that leads to the formation of non-continuous axially parallel to the outer housing 16 extending marking lines 22, of which some more examples are shown in Figures 5c to 5h. Again, the shape of the respective longitudinal edges 20 of the jaws 18 corresponds to the shape of the resulting marking lines.
  • marking lines 22c are conceivable which have a plurality of axially parallel and a plurality of obliquely extending to the longitudinal axis L of the outer housing sections. It is also possible to form the clamping jaws 18 such that continuously extending obliquely to the longitudinal axis L of the outer housing marking lines. These may be diagonal marking lines 22d or tapered marking lines 22e.
  • FIGS. 5f to 5h also show arcuate, approximately S-shaped and meandering marking lines 22f to 22h.
  • All shown possible marking lines 22a to 22h have in common that they do not run continuously axially parallel to the outer casing of the exhaust gas-conducting device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un procédé de production d'un dispositif de guidage de gaz d'échappement comprenant au moins un élément d'insertion et un carter extérieur cylindrique. Ce procédé consiste à placer l'élément d'insertion dans le carter extérieur et à appliquer des forces radiales au moyen de mâchoires de serrage (18) qui exercent une pression contre la surface périphérique extérieure du carter extérieur et déforment plastiquement le carter extérieur vers l'intérieur de sorte que l'élément d'insertion soit calé dans ledit carter. Les mâchoires de serrage (18) et en particulier les bords (20) des mâchoires de serrage (18) sont conçus de sorte que des lignes de marquage soient formées dans le carter extérieur, ces lignes ne s'étendant pas continuellement de façon parallèle à l'axe du carter extérieur sur la section dudit carter extérieur dans laquelle se trouve l'élément d'insertion.
EP06701384A 2005-01-17 2006-01-17 Procede de production d'un dispositif de guidage de gaz d'echappement Expired - Fee Related EP1882089B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005002165A DE102005002165A1 (de) 2005-01-17 2005-01-17 Verfahren zur Herstellung einer abgasführenden Vorrichtung
PCT/EP2006/000371 WO2006074966A1 (fr) 2005-01-17 2006-01-17 Procede de production d'un dispositif de guidage de gaz d'echappement

Publications (2)

Publication Number Publication Date
EP1882089A1 true EP1882089A1 (fr) 2008-01-30
EP1882089B1 EP1882089B1 (fr) 2008-06-11

Family

ID=35954004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06701384A Expired - Fee Related EP1882089B1 (fr) 2005-01-17 2006-01-17 Procede de production d'un dispositif de guidage de gaz d'echappement

Country Status (7)

Country Link
US (1) US20080196248A1 (fr)
EP (1) EP1882089B1 (fr)
KR (1) KR100847794B1 (fr)
CN (1) CN100529344C (fr)
DE (2) DE102005002165A1 (fr)
ES (1) ES2306417T3 (fr)
WO (1) WO2006074966A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046527B4 (de) * 2008-09-10 2021-09-16 Faurecia Emissions Control Technologies, Germany Gmbh Verfahren zum Herstellen einer Abgas führenden Vorrichtung sowie Werkzeug hierfür
JP6393687B2 (ja) * 2013-10-15 2018-09-19 イビデン株式会社 排ガス浄化装置
DE102014218960A1 (de) * 2014-09-19 2016-03-24 Eberspächer Exhaust Technology GmbH & Co. KG Verfahren zur Herstellung eines Abgaskonverters, Werkzeug für eine Ringpresse zur Herstellung eines Abgaskonverters, Ringpresse mit diesem Werkzeug und mittels der Ringpresse hergestellter Abgaskonverter
US11534718B2 (en) * 2016-07-21 2022-12-27 Cummins Emission Solutions Inc. Polygonal substrate housings and assemblies
DE102017118908A1 (de) 2017-08-18 2019-02-21 Carl Zeiss Vision International Gmbh Verfahren und Vorrichtungen zur Bestimmung von Position und/oder Orientierung eines Brillenglases auf einem Halter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020190A (en) * 1978-05-04 1979-11-14 Ti Silencers Ltd Constructing a catalyst assembly
US5096111A (en) * 1990-10-05 1992-03-17 Nippon Steel Corporation Method for contracting a cylindrical body
JP4427177B2 (ja) * 2000-09-26 2010-03-03 東京濾器株式会社 縮径加工装置及び縮径加工方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006074966A1 *

Also Published As

Publication number Publication date
EP1882089B1 (fr) 2008-06-11
ES2306417T3 (es) 2008-11-01
CN101120159A (zh) 2008-02-06
KR20070110031A (ko) 2007-11-15
DE502006000922D1 (de) 2008-07-24
KR100847794B1 (ko) 2008-07-23
US20080196248A1 (en) 2008-08-21
CN100529344C (zh) 2009-08-19
DE102005002165A1 (de) 2006-07-27
WO2006074966A1 (fr) 2006-07-20

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