EP1413719A2 - Collecteur d'échappement pour véhicule propulsé par un moteur à combustion ainsi qu'un système de gaz d'échappement comprenant un tel collecteur d'échappement - Google Patents

Collecteur d'échappement pour véhicule propulsé par un moteur à combustion ainsi qu'un système de gaz d'échappement comprenant un tel collecteur d'échappement Download PDF

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Publication number
EP1413719A2
EP1413719A2 EP03020140A EP03020140A EP1413719A2 EP 1413719 A2 EP1413719 A2 EP 1413719A2 EP 03020140 A EP03020140 A EP 03020140A EP 03020140 A EP03020140 A EP 03020140A EP 1413719 A2 EP1413719 A2 EP 1413719A2
Authority
EP
European Patent Office
Prior art keywords
exhaust manifold
individual
webs
exhaust
component
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
EP03020140A
Other languages
German (de)
English (en)
Other versions
EP1413719A3 (fr
EP1413719B1 (fr
Inventor
Günter Schmelzer
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
Zeuna Starker GmbH and Co KG
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 Zeuna Starker GmbH and Co KG filed Critical Zeuna Starker GmbH and Co KG
Publication of EP1413719A2 publication Critical patent/EP1413719A2/fr
Publication of EP1413719A3 publication Critical patent/EP1413719A3/fr
Application granted granted Critical
Publication of EP1413719B1 publication Critical patent/EP1413719B1/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
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • 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
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing

Definitions

  • the present invention relates to an exhaust manifold for a motor vehicle driven by an internal combustion engine, comprising a plurality of individual individual tubes which are joined on the output side to form a tube bundle with adjacent tube wall sections, the output-side ends of the individual tubes being welded to webs arranged between the adjacent tube wall sections. Furthermore, the present invention relates to an exhaust manifold of this type and at least one component of an exhaust system comprising this component connected downstream.
  • An exhaust manifold of the type specified above is known from DE 10051277 A1.
  • This exhaust manifold comprises a plurality of individual pipes and an adapter with which the individual pipes are connected on the outlet side.
  • the adapter to which in turn the component of the exhaust system directly connected to the exhaust manifold can be connected, consists of an annular wall with a plurality of radially aligned webs arranged therein, a receptacle being formed by two adjacent webs and a section of the annular wall connecting them , in which one of the individual tubes is inserted with its output end.
  • each individual tube is welded to the two adjacent webs and the corresponding section of the annular wall by means of a circumferentially closed fillet weld, for which purpose the webs protrude beyond the end edges of the individual tubes.
  • a disadvantage of the exhaust manifold known from DE 10051277 A1 is, in particular, the high production outlay which is associated with the production of the manifold. The considerable manufacturing costs for the adapter play a role in this context.
  • Another disadvantage of the design of the exhaust manifold known from this document is that weld spatter can adhere to the inside of the individual pipes during the production of the fillet welds mentioned, and that an increase in the weld seam can also lead to a constriction of the flow cross section. The weld spatter can not only lead to an impairment of the flow conditions within the individual tubes; rather, what is even more serious, they can come loose during operation and lead to damage to downstream components (e.g. exhaust gas turbochargers, catalytic converters).
  • the present invention has for its object to provide a durable, reliable exhaust manifold of the type specified, which can be manufactured with a comparatively low production cost and accordingly low cost.
  • the individual pipes protrude beyond the webs with their ends on the outlet side, two individual pipes can be connected to one another in the region of their mutually adjacent pipe wall sections with a single weld seam and to the web arranged between the relevant pipe wall sections.
  • the number of welds can be halved compared to the exhaust manifold known from DE 10051277 A1.
  • the present invention makes it possible to carry out the welds in question as groove welds; In this way, the risk of welding spatter getting inside the individual tubes is significantly reduced compared to the construction known from DE 10051277 A1.
  • the outlet-side ends of the individual pipes can even be closed during the production of the exhaust manifold, whereby penetration of welding spatter into the individual pipes is definitely ruled out.
  • the webs can be designed as simple sheet metal parts, identical web material, as will be explained in detail below, can even be used for different exhaust manifolds; this is also a significant advantage over the prior art, which requires different adapters for different exhaust manifolds.
  • the component of the exhaust system directly downstream of the exhaust manifold is directly connected to the individual pipes which the component mentioned is plugged on.
  • the elimination of the annular wall provided in the adapter of the exhaust manifold according to DE 10051277 A1 has a direct effect in reduced material costs.
  • the Crosspieces are designed as independent individual crosspieces that are not connected to one another before the exhaust manifold is installed.
  • Identical individual webs which particularly preferably consist of sheets bent along one edge, can be used for different exhaust manifolds, for example for exhaust manifolds of the 3-in-1 type, the 4-in-1 type and the 5-in-1 type. Design type. This advantage obviously contributes to the possibility of considerable cost savings.
  • the webs can particularly preferably be connected to one of the individual pipes assigned to them before they are joined to form a tube bundle.
  • welding processes tac welding
  • adhesive processes known as such are particularly suitable.
  • the webs are designed as individual webs in the sense set out above. Rather, the webs can be part of a uniform star-shaped web component.
  • the web component can in particular consist of a multiply folded sheet metal strip, each web having at least two layers of the sheet metal strip. The effort involved in folding the sheet metal strip into a single web component comprising a plurality of webs may be more than outweighed by the cost savings resulting from the use of a relatively thin-walled, comparatively inexpensive sheet metal material for producing the web component.
  • the manufacturing costs as well as the life of the exhaust manifold according to the invention it proves turns out to be particularly favorable if one weld seam is made continuously along two webs.
  • the four individual pipes can be connected to one another and to the four webs arranged between the individual pipes by two L-shaped weld seams, as will be explained in greater detail below.
  • the present invention does not presuppose that all the individual pipes have a circular segment-shaped cross section in the region of their respective outlet-side end; Rather, for example, an embodiment of the exhaust manifold according to the invention is also considered in such a way that in the region of the outlet-side end, several individual pipes are grouped around a centrally arranged single pipe.
  • the single tube 1 shown in FIG. 1 has an inlet-side end 2 and an outlet-side end 3. It is, depending on the structural conditions, i.e. the installation conditions of the exhaust system relative to the associated internal combustion engine, bent several times between its inlet end 2 and its outlet end 3.
  • the individual tube 1 which has an essentially round cross-section, is reshaped in such a way that it has a cross-section essentially corresponding to a quarter-circle segment.
  • two essentially flat tube wall sections 4 and 5 arranged at a right angle to one another and an outer tube wall section 6 which is curved substantially along a quarter circle are provided.
  • a web 8 designed as a single web 7 is attached to one of the two flat tube wall regions, namely the tube wall section 5, by means of a resistance spot welding 9.
  • the single web has a bend 11, whose function and dimensions result from FIG. 2.
  • each of the individual pipes 1, as illustrated by their nature in FIG. 1, are used are assembled in such a way that in each case a single web 7 lies between two adjacent individual tubes in the region of the adjacent flat tube wall sections.
  • the four individual tubes 1 are connected to one another in the region of their ends 3 on the outlet side by means of two weld seams 13, which are each designed as a groove weld 14 (cf. FIG. 3) which detects two individual tubes 1 and the individual web 7 arranged between them.
  • the two weld seams 13 run uninterruptedly L-shaped along the flat tube wall sections along two diametrically opposed individual tubes; in other words, each weld seam 13 extends without interruption along two mutually adjacent webs 8.
  • the weld seams begin and end at the respective radial outer edge 15 of the webs 8.
  • the downstream component (not shown) (exhaust pipe, catalytic converter or the like) is pushed with a tubular section over the outlet-side end 16 of the exhaust manifold 12; and the component is welded directly to the individual tubes combined there to form a tube bundle by means of a corresponding circumferential weld.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
EP20030020140 2002-10-23 2003-09-05 Collecteur d'échappement pour véhicule propulsé par un moteur à combustion ainsi qu'un système de gaz d'échappement comprenant un tel collecteur d'échappement Expired - Lifetime EP1413719B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002149281 DE10249281C1 (de) 2002-10-23 2002-10-23 Abgaskrümmer für ein verbrennungsmotorisch angetriebenes Kraftfahrzeug sowie einen derartigen Abgaskrümmer umfassende Baugruppe einer Abgasanlage
DE10249281 2002-10-23

Publications (3)

Publication Number Publication Date
EP1413719A2 true EP1413719A2 (fr) 2004-04-28
EP1413719A3 EP1413719A3 (fr) 2004-09-22
EP1413719B1 EP1413719B1 (fr) 2010-11-10

Family

ID=29265443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030020140 Expired - Lifetime EP1413719B1 (fr) 2002-10-23 2003-09-05 Collecteur d'échappement pour véhicule propulsé par un moteur à combustion ainsi qu'un système de gaz d'échappement comprenant un tel collecteur d'échappement

Country Status (2)

Country Link
EP (1) EP1413719B1 (fr)
DE (2) DE10249281C1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0806598A1 (fr) 1996-05-08 1997-11-12 Sango Co., Ltd. Conduite de dérivation et son procédé de fabrication
DE10051277A1 (de) 2000-10-16 2002-04-25 Eberspaecher J Gmbh & Co Abgaskrümmer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336056A (en) * 1965-03-25 1967-08-15 Gen Motors Corp Conduit system
JP3334454B2 (ja) * 1995-04-03 2002-10-15 トヨタ自動車株式会社 エキゾーストマニホルド集合部構造
JP3509796B2 (ja) * 2001-09-14 2004-03-22 本田技研工業株式会社 エキゾーストマニホールド
JP4287125B2 (ja) * 2002-02-18 2009-07-01 三桜工業株式会社 フランジに対する配管の接合構造

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0806598A1 (fr) 1996-05-08 1997-11-12 Sango Co., Ltd. Conduite de dérivation et son procédé de fabrication
DE10051277A1 (de) 2000-10-16 2002-04-25 Eberspaecher J Gmbh & Co Abgaskrümmer

Also Published As

Publication number Publication date
DE50313253D1 (de) 2010-12-23
EP1413719A3 (fr) 2004-09-22
EP1413719B1 (fr) 2010-11-10
DE10249281C1 (de) 2003-11-20

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