EP1888891A1 - Silencieux de vehicule - Google Patents

Silencieux de vehicule

Info

Publication number
EP1888891A1
EP1888891A1 EP06723855A EP06723855A EP1888891A1 EP 1888891 A1 EP1888891 A1 EP 1888891A1 EP 06723855 A EP06723855 A EP 06723855A EP 06723855 A EP06723855 A EP 06723855A EP 1888891 A1 EP1888891 A1 EP 1888891A1
Authority
EP
European Patent Office
Prior art keywords
peripheral wall
insert
tube
extending
vehicle
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
EP06723855A
Other languages
German (de)
English (en)
Other versions
EP1888891B1 (fr
EP1888891B2 (fr
Inventor
Martin Henke
Albert Zahn
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
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36228608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1888891(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Emcon Technologies Germany Augsburg GmbH filed Critical Emcon Technologies Germany Augsburg GmbH
Publication of EP1888891A1 publication Critical patent/EP1888891A1/fr
Publication of EP1888891B1 publication Critical patent/EP1888891B1/fr
Application granted granted Critical
Publication of EP1888891B2 publication Critical patent/EP1888891B2/fr
Active 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • 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
    • 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
    • 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
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
    • 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
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49389—Header or manifold making
    • 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 vehicle silencer, with opposite outer end walls, a formed by winding a sheet metal part, closed outer peripheral wall, at least one silencer insert, at least one inlet and at least one outlet pipe.
  • the invention particularly relates to a transverse rear silencer.
  • Silencers as far as the production of the peripheral wall is concerned, are subdivided into two types of production, namely shell-type silencers and coil-type silencers.
  • shell-type silencers two deep-drawn sheets are joined together at the edge, while in the winding construction a sheet is wound around a core and closed, then the insert and the outside floors are pushed laterally and then closed axially by folding.
  • the invention relates to a vehicle silencer in wound construction.
  • the gas inlet and the gas outlet are provided on the end walls, optionally on opposite sides or on the same side. It is also known to guide the gas inlet through a peripheral wall in the muffler, wherein the inlet pipes are welded to the peripheral wall with its end.
  • the invention relates to an exhaust muffler, in which the connection between the pipe associated with the peripheral wall and the peripheral wall itself is more stable and less stressed.
  • an exhaust silencer of the type mentioned above in that one of the tubes extends through the peripheral wall into the silencer interior and is secured to the peripheral wall and the insert.
  • the tube is thus not exclusively on the peripheral wall with the spaced locations on and stored in the exhaust muffler.
  • This also has the advantage that a second outside of the exhaust silencer previously provided vehicle-mounted storage near the peripheral wall can be omitted.
  • the attachment of the tube to the insert is not limited to an axial sliding bearing, which would only act radially to the longitudinal extension of the tube. Rather, the tube is firmly connected in its axial as well as in its radial direction with the insert.
  • the attachment of the tube to the insert is preferably carried out by mechanical forming. This type of attachment is less susceptible to corrosion than welding. Further advantages over welding are the lower distortion of the components and the higher strength.
  • a mechanical forming can also be achieved from the inside of the tube, which is advantageous in that the pipe end is not accessible from the outside when previously closed peripheral wall.
  • the tube and the insert are usually pressed together.
  • the insert according to the preferred embodiment has at least one inner end wall for forming a chamber to which a retaining wall is attached, to which in turn the pipe is attached.
  • the retaining wall is fastened between two opposite end walls.
  • a preferred embodiment provides that the insert, to which the pipe is attached, is held in the longitudinal direction of the muffler only through the pipe. This preferred embodiment allows unimpeded thermal expansion of the insert in the axial direction (axially relative to the muffler axis).
  • FIG. 1 shows an exploded view of a twin-flow embodiment of the vehicle silencer according to the invention
  • FIG. 1a is a schematic diagram of the peripheral wall of the silencer according to the invention.
  • FIG. 2 shows an enlarged view of the middle region of the silencer according to FIG. 1,
  • FIG. 3 shows a view, partly in section, of a single-flow muffler according to the invention
  • Figure 6 shows schematically a section through the region of the connection of the inlet tube to the insert according to an alternative embodiment.
  • a transverse, double-flow vehicle exhaust silencer hereinafter referred to as vehicle muffler or only muffler, shown.
  • the muffler has an outer housing, which consists of opposite outer end walls 3, 5 and a peripheral wall 7, which is shown simplified in Figure Ia.
  • the peripheral wall 7 is wound from a sheet metal part, wherein the outer longitudinal edge 9 is welded to the inner edge portion after winding. Alternatively, the two longitudinal edges may also be connected to each other by folding. Silencer inside omitted.
  • the silencer interior can be divided into two halves, namely a left and a right half. These halves are separated by end walls 11, 13, which are axially spaced from each other.
  • the left half has further, provided with flow openings 15 end walls 17, 19, which divide the left half in a total of three chambers 34, 36, 37.
  • An outlet tube 21, 39 in each half is provided with openings, not shown, on the outer periphery and protrudes through the end walls 3, 5, 17 and 19 therethrough, wherein it is at least welded to the end wall 3 and 5 respectively.
  • a retaining wall 23 is arranged made of sheet metal, which is welded to the end walls 11, 19.
  • the end wall 19 is about more
  • the retaining wall 23 has, as can be clearly seen in Figure 2, cruciform indentations 29, which increase their stability.
  • An inlet pipe 31 protrudes through an opening in the peripheral wall 7 (see Figure 2) and is welded thereto over the entire pipe circumference.
  • the inlet pipe 31 extends further into the silencer interior and also protrudes through a relatively precisely fitting opening in the retaining wall 23 (see also Figures 4 and 5).
  • the retaining wall has in the region of the passage opening for the inlet pipe 31 a sleeve-shaped edge 33 produced by plastic deformation.
  • a connecting pipe 27 with a 90 ° -Abwinklung.
  • the tube 27 extends through aligned flow openings 15 of the end walls 17, 19th 1, the inlet tube 31 of the right-hand branch opens into a thicker connecting tube 35, which flows into a middle chamber 37.
  • the outlet pipe 39 of the right-hand strand also opens into this middle chamber 37.
  • further tubes 25 are provided between the end walls 5, 13, 17, 19 in the right-hand strand, with corresponding end walls carrying the reference numerals already introduced for the left half. Some of the tubes 25 may be formed as non-gas flowed stabilization rods between the end walls.
  • outlet tube 39 protrudes through the outer end wall 5 and is welded thereto.
  • tail pipes 41 are inserted outside.
  • intermediate pipes 43 are inserted.
  • the inserts are made consisting of the inner end walls and the connecting tubes and the retaining wall 23 and connected to the outer end walls 3, 5.
  • a sheet is wound around a core and, as shown in Figure Ia, welded.
  • the openings for the passage of the inlet pipes 31 are already provided.
  • the inserts from both sides are axially inserted into the peripheral wall 7, the so-called shell, and the end walls 3, 5 are connected to the jacket 7.
  • the inlet pipes 31 are inserted through these openings until they also protrude through the corresponding openings in the retaining walls 23.
  • the inlet pipes 31 are attached to the associated retaining walls 23, by mechanical forming.
  • a tool for example a type embossing tool or circulating rollers, penetrates into the interior of the corresponding tube 31.
  • the tube 31 is eg on the entire Forming a groove deformed, wherein the edge 33 is formed.
  • Tube 31 and retaining wall 23 are in this way axially and radially positively and non-positively connected and pressed.
  • FIG. 6 schematically shows an alternative to the forming shown in FIGS. 4 and 5.
  • the difference from the embodiment of Figures 4 and 5 is that the tube 31 axially seen before and behind the edge 33 plastically outwardly, ie in the radial direction, is deformed. In this case, the edge 33 is not deformed. The resulting beads secure the edge 33 in the axial direction. It is also possible to deform the pipe 31 only in sections, similar to that shown in FIG. 5, before and after the edge 33.
  • Another possibility of forming is, e.g. the end of the tube 31 projecting through the opening to crimp end-to-end, resulting in a securing in an axial direction.
  • FIG. 3 corresponds substantially to the embodiment shown in the figures described so far, so that in the following only the differences must be discussed. Functionally identical parts receive the previously introduced reference numerals.
  • the muffler is single-flow and has only one central inlet tube 31.
  • This inlet tube 31 is, as in the aforementioned embodiments, welded to the peripheral wall 7 and projects through this and through the retaining wall 23 therethrough. After the retaining wall 23, the tube 31 is widened, namely on the circumference at a plurality of spaced-apart portions 55.
  • a sleeve-like edge 33 may optionally be omitted here, which also applies to the rest of the embodiment mentioned above.
  • the central insert in the silencer interior consists of the end walls 11, 19, the retaining wall 23 and connecting pipes or corresponding rods 25.
  • This insert is positioned in the axial direction A only through the inlet pipe 31.
  • the outlet pipe 39 protrudes with a sliding fit through the end wall 19.
  • the outlet pipes 21, 39 can also pass through the peripheral wall 7.
  • the retaining wall 23 is preferably aligned at right angles to the longitudinal axis X of the inlet tube 31 passing through it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

La présente invention concerne un silencieux de véhicule réalisé avec une structure enroulée, et comprenant un tube (31) qui s'étend à travers une paroi périphérique (7), le tube étant soudé d'un côté contre la paroi périphérique (7), et fixé de l'autre côté par déformation mécanique, à une paroi de retenue (23) d'un élément d'insertion intérieur.
EP06723855.0A 2005-06-08 2006-03-30 Silencieux de vehicule et procédé de production Active EP1888891B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005026376.3A DE102005026376C5 (de) 2005-06-08 2005-06-08 Fahrzeugschalldämpfer
PCT/EP2006/002888 WO2006131165A1 (fr) 2005-06-08 2006-03-30 Silencieux de vehicule

Publications (3)

Publication Number Publication Date
EP1888891A1 true EP1888891A1 (fr) 2008-02-20
EP1888891B1 EP1888891B1 (fr) 2008-08-13
EP1888891B2 EP1888891B2 (fr) 2013-11-13

Family

ID=36228608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06723855.0A Active EP1888891B2 (fr) 2005-06-08 2006-03-30 Silencieux de vehicule et procédé de production

Country Status (7)

Country Link
US (1) US8051949B2 (fr)
EP (1) EP1888891B2 (fr)
KR (2) KR101045900B1 (fr)
CN (1) CN101194089B (fr)
DE (2) DE102005026376C5 (fr)
ES (1) ES2313633T3 (fr)
WO (1) WO2006131165A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8205713B2 (en) 2009-08-01 2012-06-26 J. Eberspaecher Gmbh & Co. Kg Vehicle silencer

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DE102017124750A1 (de) * 2017-10-23 2019-04-25 Eberspächer Exhaust Technology GmbH & Co. KG Schalldämpfereinsatz, Schalldämpfer mit diesem und Verfahren zur Herstellung eines Schalldämpfereinsatzes
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8205713B2 (en) 2009-08-01 2012-06-26 J. Eberspaecher Gmbh & Co. Kg Vehicle silencer

Also Published As

Publication number Publication date
CN101194089B (zh) 2012-07-04
EP1888891B1 (fr) 2008-08-13
KR101041542B1 (ko) 2011-06-17
WO2006131165A1 (fr) 2006-12-14
DE102005026376A1 (de) 2006-12-14
CN101194089A (zh) 2008-06-04
KR20080017446A (ko) 2008-02-26
DE502006001349D1 (de) 2008-09-25
US8051949B2 (en) 2011-11-08
DE102005026376B4 (de) 2015-10-22
DE102005026376C5 (de) 2019-05-02
KR101045900B1 (ko) 2011-07-01
EP1888891B2 (fr) 2013-11-13
US20080196969A1 (en) 2008-08-21
ES2313633T3 (es) 2009-03-01
KR20100045529A (ko) 2010-05-03

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