EP2518286B1 - Silencieux pour véhicules automobiles - Google Patents

Silencieux pour véhicules automobiles Download PDF

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Publication number
EP2518286B1
EP2518286B1 EP12164520.4A EP12164520A EP2518286B1 EP 2518286 B1 EP2518286 B1 EP 2518286B1 EP 12164520 A EP12164520 A EP 12164520A EP 2518286 B1 EP2518286 B1 EP 2518286B1
Authority
EP
European Patent Office
Prior art keywords
plate
support
silencer
carrier
honeycomb structure
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.)
Active
Application number
EP12164520.4A
Other languages
German (de)
English (en)
Other versions
EP2518286A1 (fr
Inventor
Thomas Nording
Thomas Tauschek
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.)
Eberspaecher Exhaust Technology GmbH and Co KG
Original Assignee
Eberspaecher Exhaust Technology 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 Eberspaecher Exhaust Technology GmbH and Co KG filed Critical Eberspaecher Exhaust Technology GmbH and Co KG
Publication of EP2518286A1 publication Critical patent/EP2518286A1/fr
Application granted granted Critical
Publication of EP2518286B1 publication Critical patent/EP2518286B1/fr
Active 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
    • 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
    • F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
    • 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
    • F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/18—Exhaust treating devices having provisions not otherwise provided for for improving rigidity, e.g. by wings, ribs
    • 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
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a silencer for motor vehicles, in particular in exhaust systems or in parking heaters, with the features of the preamble of claim 1.
  • the invention also relates to a use of such a silencer.
  • Components are used on a variety of blowers of technology use, for example, in construction, in motor vehicles or the like. In order to adapt components to special requirements, these are often reinforced in order to be able to withstand greater loads or to enable a longer service life of the component.
  • a component which is provided with a reinforcing layer of hydraulically set material of a cement mortar or concrete mixture, wherein the reinforcing layer of a reinforcing mat, an outer skin and interposed cement mortar or concrete mixture is formed.
  • a generic muffler is from the JP 09-291 813 A known. It comprises a carrier which has at least one opening for passing through an exhaust pipe, wherein the carrier has a respective opening enclosing the opening, having collar-shaped edge protruding from the carrier.
  • the carrier is formed by a substantially unstructured, largely flat intermediate bottom of a silencer housing.
  • an intermediate bottom of a muffler housing which includes an opening for passage of an exhaust pipe, wherein the intermediate floor is connected via a plurality of tabs with the exhaust pipe.
  • the individual tabs each extend over only a portion of the circumference of the opening and are arranged distributed in the circumferential direction of the opening spaced apart along the opening uniformly.
  • the present invention addresses the problem of simply and inexpensively improving a muffler for a motor vehicle in terms of its rigidity.
  • a muffler for motor vehicles in particular in exhaust systems or in parking heaters, defined comprising a carrier, wherein the carrier has a predetermined structural rigidity, and a plate for increasing the predetermined Struktursteffigkelt at least one Tell the carrier, wherein the plate on the carrier is determined via a plurality of connections, wherein the plate has at least partially a honeycomb structure.
  • the plate is set spaced from the at least one opening on the carrier.
  • a use of a muffler according to at least one of claims 1-10 is defined in a motor vehicle, in particular in an exhaust system and / or in a parking heater of the motor vehicle.
  • the at least partially honeycomb-shaped plate can be set in a simple and cost-effective manner to the support of the component. At the same time, the life of the component as a whole is improved, since cracks or material fatigue of the material of the carrier are reduced by the increased stiffness. Since the at least partially honeycomb-shaped plate can accommodate a part of the loads acting on the component, in this way, for example, the wall thickness of the carrier can be reduced, so that less material is required for the production of the carrier.
  • the at least partially honeycomb plate is also flexible and can be used both on flat, flat and / or curved Areas of the carrier are set.
  • the carrier is in the area in which the plate is arranged, flat and in particular just designed, which simplifies the arrangement of the plate, this purpose expediently complementary, so in particular also flat, can be configured.
  • a honeycomb structure of the plate may in particular comprise triangular, quadrangular, hexagonal, octagonal and / or dodecagonal honeycombs.
  • honeycomb other, preferably symmetrical polygons are conceivable as honeycomb, for example, ten-cornered or the like.
  • the honeycomb structure may be formed differently in different regions of the plate, for example, a hexagonal honeycomb structure may be arranged in one region, while in another region, for example, dodecagonal honeycombs may be arranged on the basis of an expected different load.
  • the honeycomb structure can be impressed on a plate, for example by embossing technique.
  • the carrier has at least one opening for passing through an exhaust pipe, wherein the plate is fixed at a distance from the at least one opening on the carrier. If such exhaust gas leading exhaust pipe is fixed to the support in the installed state, in vehicle applications in the operation of the exhaust system or heating vibrations can be introduced via the pipe in the carrier, which at low wall thickness of the carrier this in a spaced-opening region to oscillate excite, which can be radiated as sound waves into the environment. By mounting the plate in this vibration-prone area, the plate can be stiffened in this area, which significantly reduces the tendency to vibrational excitation.
  • the carrier has a rim which encloses the respective opening and protrudes like a collar from the carrier.
  • the respective exhaust pipe can be supported and - if required - also be attached.
  • the edge is in a side facing away from the plate side from the carrier.
  • the plate is formed in multiple layers.
  • the rigidity of the plate and thus of the component is substantially increased, since the plate can have different layers of different materials and thus also different stiffness.
  • the lifetime of the plate increases overall, since, for example, the outermost layer can be formed as a protective layer for a particular application of the component.
  • connection is non-positively and / or cohesively formed.
  • the plate is reliably connected to the component and forces acting on the component and its carrier, so for example vibrations when the component is arranged in an exhaust line of a motor vehicle, are reliably transmitted to the plate at least partially , This reduces vibrations of the component itself.
  • the connection is designed as an adhesive, soldering, welding, riveting, vulcanizing and / or screw connection.
  • the plate may be designed as a bump plate.
  • a bump plate is characterized in that a plurality of bumps are formed from a, in particular flat, base plate, for example by deep drawing or by high pressure forming, which protrude from the base plate at a front and at the same time to generate complementary cavities on the back of the base plate. These cavities then form the honeycomb of the honeycomb structure.
  • the individual bumps may preferably have planar, flat end faces and a conical or pyramid-shaped jacket aufelseln.
  • the Stirnseliten the honeycomb structure over the respective jacket are connected to the base plate.
  • These shells are arranged at an angle between zero degrees and less than ninety degrees perpendicular to a surface of the carrier, in particular, this angle is forty-five degrees.
  • Another part of the honeycomb-shaped structure lies directly on the carrier substantially flat and is connected, for example, by means of welds to the carrier cohesively.
  • the Stirnselten the bumps lie directly on the support and the base plate is spaced therefrom or the base plate is located directly on the support and the front sides of the bumps are spaced therefrom.
  • the plate may be configured as a composite plate which is assembled from a plurality of individual plates.
  • a hump composite plate which is assembled from at least two bump plates. This is expediently carried out such that the bumps of the first bump plate bear with their end faces flat against the base plate of the second bump plate and optionally attached thereto, namely at the front thereof, in each case between adjacent bumps of the second bump plate.
  • the bumps of the second bump plate also come with their end faces on the front side of the base plate of the first bump plate to the plant and can be fixed there. This results in a particularly stiff honeycomb structure generated.
  • the bumps may optionally be dimensioned and spaced from each other so that the bumps of the first bump plate over their coats on the bumps of the second bump plate come to rest and thereby allow intensive support in the shear direction.
  • a hump composite plate is for example from the DE 10 2008 004 544 B3 known.
  • the plate can be non-positively and / or materially connected to the carrier. In this way it is ensured that the plate is reliably connected to the muffler and forces acting on the muffler and its carrier, so for example vibrations when the muffler is arranged in an exhaust line of a motor vehicle, are reliably transmitted to the plate at least partially , and so reduce vibration of the muffler itself.
  • the plate can be glued, soldered, welded, riveted, vulcanized and / or screwed in the manufacture of the muffler. This allows a simple, inexpensive and reliable connection of the plate to the carrier. It is of course possible to combine several of the aforementioned features to improve the connection of plate and carrier together.
  • Reference numeral 1 denotes a component according to the invention, which is designed here in the manner of a silencer.
  • the component 1 comprises a carrier 2, which may form part of a housing 17 of the component 1 or may be arranged in the interior of the housing 17 of the component 1.
  • the carrier 2 in the lower area, the carrier 2 according to FIG. 1 a substantially circular opening 10a having a protruding edge R; Through this opening 10a, an exhaust pipe 16 is passed.
  • the exhaust pipe 16 may form a sliding seat with the edge R.
  • the exhaust pipe 16 may be attached to the edge R, for example by means of a gas-tight weld.
  • the carrier 2 In the upper area above the edge R, the carrier 2 extends substantially vertically upwards in the plane of the page.
  • the carrier 2 On the side of the carrier 2, which faces away from the edge R, and which faces, for example, an inner side of the component 1, the carrier 2 has a flat and in particular flat region in the upper region, in which a plate 3 is arranged on the carrier 2 ,
  • the plate 3 has a honeycomb-shaped structure W, ie a honeycomb structure W, and is in particular according to FIG Fig. 1 formed such that a part of the honeycomb structure W is spaced from the carrier 2.
  • the plate 3 can be designed as a cuspidate, which is also referred to below as 3.
  • a bump plate 3 is characterized in that a plurality of bumps 11 are formed from a, in particular flat, base plate 12, for example by deep drawing or by high-pressure forming, which on a front side (in Fig. 1 right) protrude from the base plate 12 while at the same time complementary to cavities 13 on the back (in Fig. 1 left) of the base plate 12 produce.
  • These cavities 13 then form the honeycombs of the honeycomb structure W, which can also be referred to below as 13.
  • the individual bumps 11 may preferably have flat, flat end faces 14 and have a conical or pyramidal jacket 15.
  • the end faces 14 of the honeycomb structure W are connected via the respective jacket 15 to the base plate 12. These coats 15 are at an angle between zero degrees and arranged less than ninety degrees perpendicular to a surface of the carrier 2, in FIG. 1 the angle is forty-five degrees. Another part of the honeycomb structure W lies directly on the carrier 2 substantially flat and is connected by welding points 4 to the carrier 2 cohesively.
  • the bump plate 3 are either the end faces 14 of the bumps 11 directly on the carrier 2 and the base plate 12 is spaced therefrom or as in Fig. 1 the base plate 12 is located directly on the carrier 2 and the end faces 14 of the bumps 11 are spaced therefrom.
  • Fig. 2 is essentially a component 1 according to Fig. 1 shown.
  • the plate 3 according to Fig. 2 two-ply with two layers 3a, 3b formed. There may also be arranged three or more layers.
  • the layers 3a, 3b can consist of completely or partially the same or preferably different material.
  • the plate 3 in turn has due to its honeycomb structure W areas which abut substantially flat on the carrier 2 and areas which are spaced from the carrier 2.
  • a further, in particular flat plate 5 may be arranged on the side facing away from the carrier 2 of the plate 3 in the areas spaced from the carrier 2 areas.
  • This plate 5 is fixed via a further connection 6, for example a welded connection, to the honeycomb-shaped plate 3.
  • the plate 5 is arranged substantially parallel to the region of the carrier 2, on which the plate 3 is fixed.
  • the further plate 5 can likewise have a honeycomb structure W, the honeycombs projecting from this plate 5 in the direction of the other plate 3 and contacting the other plate 3 between the honeycombs of the other plate 3. to improve the shear stiffness, the honeycombs of the two plates 3, 5 can also support one another transversely to the respective plane of the plate.
  • the carrier 2 is designed as an intermediate bottom, which is arranged in the interior of the housing 17.
  • the carrier may also be an end bottom of the housing 17.
  • the carrier 2 so the respective bottom edge bordered by a jacket 18 of the housing 17.
  • the carrier 2 may have at its outer edge a protruding from the carrier 2, collar-like circulation 19, which rests on the jacket 18.
  • the circulation 19 is on the same side from the carrier 2, on which the plate 3 is arranged.
  • the plate 3 is thus configured as a composite plate which is assembled from a plurality of individual plates.
  • a hump composite plate which is assembled from at least two bump plates 3. This is expediently such that the bumps 11 of the first bump plate 3 abut with their end faces 14 flat on the base plate 12 of the second cusp plate 3 and optionally attached thereto, at the front thereof, respectively between adjacent cusps 11 of the second cusp plate 3.
  • the bumps 11 of the second bump plate 3 with their end faces 14 on the front side of the base plate 12 of the first bump plate 3 come to rest and can be fastened there.
  • a particularly rigid honeycomb structure W is generated.
  • the bumps 11 may be dimensioned and spaced from each other such that the bumps 11 of the first bump plate 3 abut against the bumps 11 of the second bump plate 3 via their shrouds 15, thereby providing intensive support allow the shear direction.
  • Fig. 3 is a component 1 in the form of a muffler according to Fig. 1 shown in the supervision.
  • the component 1 comprises the support 2, which is designed, for example, as an end floor or as an intermediate floor, which has two openings 10a, 10b. These are essentially in the lower region of the carrier 2 according to Fig. 3 arranged.
  • the plate 3 Above the two openings 10a, 10b, the plate 3 is arranged with the honeycomb structure W.
  • the plate 3 is partially formed analogous to the curved shape of the component 1 and the carrier 2.
  • the invention has several advantages. On the one hand, it allows a simple and cost-effective increase in the structural rigidity and strength of components. On the other hand, the wall thickness of the carrier 2 can be reduced while maintaining a desired structural rigidity or component strength.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Laminated Bodies (AREA)
  • Exhaust Silencers (AREA)

Claims (12)

  1. Silencieux (1) pour véhicules automobiles, en particulier dans des systèmes d'échappement ou dans des chauffages auxiliaires,
    - avec un support (2) qui présente au moins une ouverture (10a, 10b) pour laisser passer un tube d'échappement (16),
    - le support (2) présentant un bord (R) encadrant l'ouverture (10a, 10b) respective et se détachant en forme de collerette du support (2),
    caractérisé en ce que
    - il est prévu une plaque (3) destinée à augmenter la rigidité structurelle d'au moins une partie du support (2),
    - la plaque (3) est immobilisée sur le support (2) par le biais de plusieurs raccordements (4),
    - la plaque (3) présente au moins partiellement une structure alvéolaire (W),
    - la plaque (3) est immobilisée à distance d'au moins une ouverture (10a, 10b) sur le support (2).
  2. Composant selon la revendication 1,
    caractérisé en ce que
    le support (2) forme un fond d'extrémité ou un fond intermédiaire d'un carter (17) du silencieux (1).
  3. Silencieux selon la revendication 1 ou 2,
    caractérisé en ce que
    la plaque (3) est constituée en plusieurs couches (3a, 3b).
  4. Silencieux selon au moins une des revendications 1 à 3,
    caractérisé en ce que
    le raccordement (4) est constitué par liaison de forces et/ou de matières.
  5. Silencieux selon au moins une des revendications 1 à 4,
    caractérisé en ce que
    le raccordement (4) est constitué en tant que raccordement collé, brasé, soudé, riveté, vulcanisé et/ou vissé.
  6. Silencieux selon au moins une des revendications 1 à 5,
    caractérisé en ce que,
    dans la zone de la structure alvéolaire (W), la plaque (3) est constituée en tant que plaque bosselée (3) qui présente une plaque de base (12) dont se détachent des bosses (11) qui présentent respectivement un côté frontal (14) à distance de la plaque de base (12) et une enveloppe (15) raccordant le côté frontal (14) à la plaque de base (12), l'enveloppe (15) respective entourant une cavité (13) qui est limitée par le côté frontal (14) et qui forme une alvéole (13) de la structure alvéolaire (W).
  7. Silencieux selon la revendication 6,
    caractérisé en ce que
    les enveloppes (15) sont disposées en formant un angle de plus de zéro degré et de moins de quatre-vingt-dix degrés par rapport à une surface du support (2).
  8. Silencieux selon une des revendications précédentes,
    caractérisé en ce que
    la plaque (3) est constituée en tant que plaque composite au moins dans la zone de la structure alvéolaire (W).
  9. Silencieux selon les revendications 6 et 8,
    caractérisé en ce que
    la plaque composite est constituée en tant que plaque composite bosselée (3).
  10. Silencieux selon la revendication 9,
    caractérisé en ce que
    les bosses (11) de l'une plaque bosselée (3) s'appuient latéralement, par le biais de l'enveloppe (15) respective, sur les bosses (11) de l'autre plaque bosselée (3)
  11. Utilisation d'un silencieux (1) selon au moins une des revendications 1 à 10 dans un véhicule automobile, en particulier dans une colonne d'échappement et/ou dans un chauffage auxiliaire du véhicule automobile.
  12. Silencieux au moins selon la revendication 2,
    caractérisé en ce que
    le support (2), qui forme un fond d'extrémité ou un fond intermédiaire du carter (17), est encadré côté bord par une enveloppe (18) du carter (17).
EP12164520.4A 2011-04-28 2012-04-18 Silencieux pour véhicules automobiles Active EP2518286B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011017643 2011-04-28

Publications (2)

Publication Number Publication Date
EP2518286A1 EP2518286A1 (fr) 2012-10-31
EP2518286B1 true EP2518286B1 (fr) 2015-07-15

Family

ID=45977271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12164520.4A Active EP2518286B1 (fr) 2011-04-28 2012-04-18 Silencieux pour véhicules automobiles

Country Status (3)

Country Link
US (1) US8622167B2 (fr)
EP (1) EP2518286B1 (fr)
JP (1) JP5651891B2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010062569A1 (de) * 2010-12-07 2012-06-14 J. Eberspächer GmbH & Co. KG Gehäuse
FR3065488B1 (fr) * 2017-04-20 2019-06-28 Faurecia Systemes D'echappement Element de ligne d'echappement et procede de fabrication d'un tel element
EP3431732B1 (fr) 2017-07-21 2020-04-22 Bosal Emission Control Systems NV Procédé de formation d'un collier dans un boîtier de silencieux

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Also Published As

Publication number Publication date
JP2012233473A (ja) 2012-11-29
JP5651891B2 (ja) 2015-01-14
US20120273296A1 (en) 2012-11-01
EP2518286A1 (fr) 2012-10-31
US8622167B2 (en) 2014-01-07
CN102759004A (zh) 2012-10-31

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