EP3199772B1 - Silencieux pour un système d'échappement - Google Patents

Silencieux pour un système d'échappement Download PDF

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Publication number
EP3199772B1
EP3199772B1 EP17152184.2A EP17152184A EP3199772B1 EP 3199772 B1 EP3199772 B1 EP 3199772B1 EP 17152184 A EP17152184 A EP 17152184A EP 3199772 B1 EP3199772 B1 EP 3199772B1
Authority
EP
European Patent Office
Prior art keywords
muffler
wall
accordance
formation
exhaust gas
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
EP17152184.2A
Other languages
German (de)
English (en)
Other versions
EP3199772A1 (fr
Inventor
Michael Krause
Jürgen Häberle
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 EP3199772A1 publication Critical patent/EP3199772A1/fr
Application granted granted Critical
Publication of EP3199772B1 publication Critical patent/EP3199772B1/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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/16—Methods or apparatus for fitting, inserting or repairing different elements by using threaded joints
    • 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 exhaust gas passages, pipes or tubes
    • F01N2470/20—Dimensional characteristics of tubes, e.g. length, diameter
    • 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 exhaust gas passages, pipes or tubes
    • F01N2470/26—Tubes being formed by extrusion, drawing or rolling
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow

Definitions

  • the present invention relates to a silencer for an exhaust system, such as an exhaust system, with which the generated in an internal combustion engine in a vehicle combustion exhaust gases are discharged to the environment.
  • Such a silencer is known in which inlet pipes serving as exhaust ducts are connected in a first connection region to a wall provided in the interior of the silencer and are connected in a second connection region to an outer wall enclosing the interior of the silencer.
  • the inlet tubes are formed with an annular shape which can completely pass through in the circumferential direction or can have a plurality of ring segments.
  • the wall has, in a first counter-connection region, a receiving opening, formed in a tubular extension, for a respective inlet tube.
  • the tube-like projection has a bead-like formation on its inner peripheral region into which the ring-like formation of the first connection region can be positioned to engage or engage with the wall.
  • the DE 10 2010 015 322 B4 discloses a muffler for an exhaust system in which an exhaust pipe serving as an inlet pipe has an annular recess in a first connection region.
  • a receiving opening for the exhaust gas guide pipe is formed with a plurality of tabs which follow one another in the circumferential direction and surround the receiving opening.
  • a conical insertion end of the exhaust gas guide tube into the receiving opening inserted.
  • the tabs are deflected in the direction of movement of the exhaust duct until they engage in the annular shape in the exhaust duct or engage.
  • an annular recess for receiving the tabs between two axially spaced apart positioned annular formations of the exhaust pipe is formed.
  • a silencer according to the preamble of claim 1 is known from US 2007/051557 A1 known.
  • a silencer for an exhaust system according to claim 1.
  • This comprises an outer wall as well as an outer end wall of the outer wall and an outer wall of the interior of the muffler outwardly delimiting end walls an exhaust duct and a in a first connection region of the exhaust duct with this Wall connected by thread-like engagement.
  • the wall is arranged between two interior dividing the interior into individual space areas and firmly connected to the outer walls intermediate walls and thus firmly connected inner wall , And in a second connection region, the exhaust pipe is connected to a further wall, for example an outer wall.
  • the connecting pipe in the same two longitudinal areas, preferably each near a pipe end of the same, stably connected to other components or with walls of the muffler, so that even stronger forces from the outside can not lead to an undesirable deformation or displacement of the exhaust pipe.
  • an external thread formation is advantageously provided on the exhaust pipe.
  • This can be provided, for example, by a helical manner in the direction of a tube longitudinal axis of the exhaust gas guide tube, that is to say essentially in the form of a spiral.
  • a substantially uniform and stable connection between the exhaust gas duct pipe and the wall over the circumference can be achieved if the molding for providing at least one turn, preferably at least two turns, is circumferentially substantially continuous without interruption.
  • a circumferentially continuous uninterrupted molding which can provide a correspondingly uninterrupted circumferential thread
  • subsequent molding segments which provide a corresponding circumferentially segmented thread.
  • An embodiment which is advantageous on account of the simple production can provide that the formation is formed with a substantially constant thread pitch radius or / and thread bottom radius.
  • the formation may be formed with decreasing in the direction of a pipe end of the exhaust pipe guide thread pitch radius. This leads to an at least on the outside of the exhaust pipe tapering, preferably substantially conically tapered configuration which simplifies the defined positioning of the exhaust pipe with respect to the wall in the direction of the tube longitudinal axis when making the thread-like engagement with the wall.
  • a first counter-connection region formed on the wall may comprise an exhaust gas pipe receiving opening and surrounding a plurality of engagement plates deflectable in the direction of the pipe longitudinal axis.
  • the tabs may be threadedly engaged with the male thread formation by screwing the exhaust gas guide tube into the receiving opening.
  • the exhaust-gas guide tube is connected to the further wall in a material-locking manner, preferably by welding.
  • the exhaust pipe or / and the wall can be constructed of sheet metal material, so that it is possible in a simple manner to bring by known deformation machining these components in their desired shape or configuration.
  • the invention further relates to an exhaust system for a vehicle with at least one silencer constructed according to the invention.
  • Fig. 1 to 5 show a first embodiment of a generally designated 10 muffler for an exhaust system of an internal combustion engine. It should be noted that the muffler is shown in these figures only with its essential components for explaining the principles of the present invention.
  • the muffler 10 comprises an outer wall 12 preferably formed of sheet metal material and together with the outer wall 12 an inner space 14 of the muffler 10 delimiting or subdividing into individual space areas intermediate walls 16, 18. Corresponding walls can also at the end of the example formed with elliptical cross-section outer wall 12th be provided to the interior 14 in the axial direction to limit the outside. It should be noted that the outer wall 12 with the intermediate walls 16, 18 and the Endwandeptept not shown, in particular for producing a gas-tight seal preferably material fit, z. B. by welding, is firmly connected.
  • the muffler 10 further comprises an exhaust gas duct 20, which may be an inlet pipe in the example shown.
  • an exhaust gas duct 20 which may be an inlet pipe in the example shown.
  • the exhaust pipe 20 is connected to a wall 26, which forms an inner wall in the example shown.
  • the wall 26 is arranged in the example shown between the two intermediate walls 16, 18 and fixedly connected to these, for example by welding.
  • the exhaust gas guide tube is connected to the outer wall 12.
  • the exhaust gas guide tube 20 is substantially cylindrical and inserted into a cylindrical neck 32, for example, of the outer wall 12 that has been shaped outwards.
  • the exhaust gas guide tube 20 is gas-tightly connected to the outer wall 12 by material closure in the second connection region 30.
  • the exhaust gas guide tube 20 is formed with an external thread formation 34.
  • the external thread formation can be provided by forming a circumferentially around a pipe longitudinal axis L R of the exhaust guide tube 20 helically encircling formation 36. This can be formed for example by means of conventional forming techniques, such as rolling, and thus leads to a substantially undulating structuring of the exhaust gas guide tube 20 in the first connection region 24.
  • the formation 36 is designed to protrude radially outwardly with respect to the tube longitudinal axis L R via the otherwise substantially cylindrical exhaust-gas guide tube 20, which is achieved by forming radially outward and thus forming locally radially expanded regions.
  • the molding 36 could at least partially by forming radially inward, so be formed on the otherwise substantially cylindrical exhaust guide tube 20 radially inwardly projecting.
  • the helically circulating formation 36 has over the axial length of the first connection portion 24 substantially constant thread pitch radius Rs, so that the helically circulating formation has substantially a helical winding structure. Only where the radial projection height increases or decreases at the beginning or at the end of this configuration 36 which is configured in the shape of a meander does the thread pitch radius Rs increase or decrease accordingly.
  • a thread 38 is formed in the direction of the tube longitudinal axis L R successive molding portions 36a and 36b, which are of course provided by the single, preferably uninterrupted circumferential shaping 36.
  • the formation 36 can be provided with at least two turns. It should be noted that in the embodiment of the molding 36 by forming radially inward of the thread in the region of the molding itself is formed and the above-mentioned molding areas, between which a respective thread is formed, are provided by not substantially radially inwardly deformed areas the exhaust duct 20
  • the Fig. 4 shows that on the wall 26 in a first counter-connection region 40, an exhaust gas pipe receiving opening 42 for receiving the exhaust pipe 20, in particular of the first connecting portion 24 thereof is provided.
  • the exhaust pipe receiving hole 42 is surrounded by a plurality of circumferentially consecutive engaging tabs 44.
  • each four approximately such an engagement tabs 44 are provided extending over an angular range of 90 °.
  • the circumferentially adjacent or successive engagement tabs 44 are separated from each other in the circumferential direction.
  • a defined spacing-introducing recesses 46 are provided, which extend substantially radially with respect to the tube longitudinal axis L R and terminate in their radially outer regions in respective circular extensions 48.
  • the wall 26 constructed of sheet material.
  • the wall 26 is thus deformable, in particular in the region of the engagement straps 44, so that they can be deflected or bent in the direction of the tube longitudinal axis L R with a corresponding load, in particular distributed over the circumference, deflected or bent to varying degrees.
  • the exhaust-gas guide tube 20 is introduced with its tube end 22 into the exhaust-gas tube receiving opening 42.
  • the wall 26, in particular in the region of the first mating connection region 40 is designed substantially planar with its engagement lugs 44.
  • the exhaust guide tube 20 is pressed against the tabs 44 with axial pressure, so that by the in Fig. 3 recognizable beginning 50 of the formation 36 one of the engaging tabs 44 axially loaded and deflected in the direction of insertion of the exhaust duct 20. If the exhaust guide tube 20 is rotated in this process, the beginning 50 of the molding 36 moves toward one of the recesses 46.
  • the engaging in this state by the shaping 36 engaging tab 44 is relative to the circumferentially following and not loaded in the axial direction and accordingly also not deflected engaging tab 44 axially displaced or bent.
  • the beginning 50 of the molding 36 then moves behind the axially not deformed or deflected engagement tab 44 so that it enters the thread 38.
  • Continued rotational movement or screwing movement of the exhaust gas guide tube 20 results in successive engagement of all the engaging tabs 44 in the thread 38 until, finally, an over the entire circumference continuous thread-like engagement between the first connecting portion 24 on the exhaust pipe 20 and the first counter-connecting portion 40 at the wall 26 is made.
  • the first mating connection region 40 in particular in the radially inner region of the engagement lugs 44, is adapted in its shape to the helically circulating formation 36 and the corresponding helically circulating thread 38. This means that each engaging in the thread 38 engaging tabs 44 viewed in the circumferential direction twisted or different axial deflection.
  • the exhaust guide tube 20 After the exhaust guide tube 20 has been connected by screwing with the wall 26 in the manner described above, it can be firmly connected in its second connection region 30 with the outer wall 12 in the manner previously described also in the manner described above Vibrations a detachment of the first connection area 24 from the first counter-connection area 40 can not occur.
  • the exhaust pipe 20 can be connected to the wall 26 in the interior of the muffler 10 in a simple manner stable, so that the construction of an exhaust system in its second connection area with another pipe to be connected exhaust pipe 20 even under heavy load is held stable in the muffler 10.
  • the shaping of the helically circulating shaping 36 is such that between two axially successive forming regions 36a, 36b, such a gap or the thread 38 is formed with such width that the wall 26 with its first counter-connection region 40 in Essentially without axial movement play is added. A slight axial movement play can be compensated or can Therefore, do not lead to vibration or rattling noises, since due to the deformation of the engaging tabs 44 for insertion of the same in the thread 38, these bias against the formation 36.
  • U.S. Pat Fig. 6 A modified embodiment also utilizing the principles of the present invention is disclosed in U.S. Pat Fig. 6 shown.
  • the structure corresponds essentially to the previously described.
  • a substantial difference is that the exhaust guide tube 20 is formed in its also the first connecting portion 24 providing length range such that the thread crest radius Rs decreases towards the tube end 22 back. This can be achieved for example by conical configuration or conical deformation of the exhaust pipe 20.
  • the helically circulating formation 36 has a spiral-like structure tapering at an acute angle W.
  • the first connection portion 36 is inserted into the exhaust gas guide tube receiving opening 42 in the manner described above and made by rotating the thread-like engagement. Due to the increasing thread pitch radius and the correspondingly increasing thread radius increases in a continued rotational movement of the exhaust pipe 20, the strength of the friction interaction between the wall 26 and the exhaust pipe. If a defined torque is exerted on the exhaust-gas guide tube 20 during this process, then a defined screw-in depth of the first connection region 24 into the first counter-connection region can be achieved.

Landscapes

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

Claims (15)

  1. Silencieux pour un système d'échappement, comprenant une paroi extérieure (12) ainsi que des parois d'extrémité prévues dans des régions d'extrémité de la paroi extérieure et délimitant une espace intérieure (14) du silencieux (10) avec la paroi extérieure (12) vers l'extérieur, comprenant en outre un
    tube de guidage des gaz d'échappement (20) et une paroi (26) connectée à celui-ci dans une première région de connexion (24) du tube de guidage des gaz d'échappement (20) par un engagement de type filetage, où le tube de guidage des gaz d'échappement (20) est, dans une deuxième région de connexion (30), connecté à une autre paroi, caractérisé en ce que la paroi (26) est une paroi intérieure arrangée entre deux parois intermédiaires (16, 18) répartissant l'espace intérieure (14) dans des régions d'espace individuelles et fermement reliées à la paroi extérieure (12).
  2. Silencieux selon la revendication 1, caractérisé en ce que dans la première région de connexion (24) le tube de guidage des gaz d'échappement (20) est formé avec une structure de filetage extérieur (34).
  3. Silencieux selon la revendication 2, caractérisé en ce que la structure de filetage extérieur (34) est mise à disposition par une formation (36) s'étendant le long de l'axe longitudinal de tube (LR) du tube de guidage des gaz d'échappement (20) en forme d'hélice.
  4. Silencieux selon la revendication 3, caractérisé en ce que la formation prévoit un filetage (38) entre des régions de formation (36a, 36b) se succédant dans le sens de l'axe longitudinal de tube (LR).
  5. Silencieux selon les revendications 3 ou 4, caractérisé en ce que la formation (36) est formée essentiellement sans interruption sur le pourtour dans le sens circonférentiel pour prévoir au moins une spire, de préférence au moins deux spires.
  6. Silencieux selon les revendications 3 ou 4, caractérisé en ce que la formation (36) comprend une pluralité de segments de formation se succédant dans le sens circonférentiel.
  7. Silencieux selon une des revendications 4-6, caractérisé en ce que la formation (36) est adaptée avec un rayon de sommet de filet (RS) ou/et un rayon de fond de filetage (RB) essentiellement constant.
  8. Silencieux selon une des revendications 4-6, caractérisé en ce que la formation (36) est adaptée avec un rayon de sommet de filet (RS) ou/et un rayon de fond de filetage (RB) diminuant dans le sens d'une extrémité de tube (22) du tube de guidage des gaz d'échappement (20).
  9. Silencieux selon une des revendications 1-8, caractérisé en ce que une première contre-région de connexion (40) réalisée à la paroi (26) pour un engagement par filetage avec la première région de connexion (24) comprend une ouverture de réception du tube de guidage de gaz d'échappement (42) et une pluralité de pattes d'insertion (44) qui l'entourent et qui peuvent être déplacées dans le sens de l'axe longitudinal de tube (LR).
  10. Silencieux selon la revendication 9, caractérisé en ce que des pattes d'insertion (44) se succédant dans le sens circonférentiel sont séparées par des incisions ou des encoches (46), de préférence avec un sens d'extension essentiellement radial par rapport à l'axe longitudinal de tube (LR).
  11. Silencieux selon la revendication 2 et la revendication 9 ou 10, caractérisé en ce que les pattes (44) sont en engagement par filetage avec la structure de filetage extérieur (34).
  12. Silencieux selon une des revendications 1-11, caractérisé en ce que dans la deuxième région de connexion (30) le tube de guidage des gaz d'échappement (20) est connecté à la paroi extérieure (12).
  13. Silencieux selon la revendication 12, caractérisé en ce que dans la deuxième région de connexion (30) le tube de guidage des gaz d'échappement (20) est connecte à l'autre paroi de manière solidaire, de préférence par soudage.
  14. Silencieux selon une des revendications 1-13, caractérisé en ce que le tube de guidage des gaz d'échappement (20) ou/et la paroi (26) est fait d'un matériau de tôle.
  15. Système de gaz d'échappement pour un véhicule, comprenant au moins un silencieux (10) selon une des revendications précédentes.
EP17152184.2A 2016-02-01 2017-01-19 Silencieux pour un système d'échappement Active EP3199772B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016101693.4A DE102016101693A1 (de) 2016-02-01 2016-02-01 Schalldämpfer für eine Abgasanlage

Publications (2)

Publication Number Publication Date
EP3199772A1 EP3199772A1 (fr) 2017-08-02
EP3199772B1 true EP3199772B1 (fr) 2019-03-13

Family

ID=57850984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17152184.2A Active EP3199772B1 (fr) 2016-02-01 2017-01-19 Silencieux pour un système d'échappement

Country Status (4)

Country Link
US (1) US10267207B2 (fr)
EP (1) EP3199772B1 (fr)
CN (1) CN107023372B (fr)
DE (1) DE102016101693A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020109817A1 (de) * 2020-04-08 2021-10-14 Purem GmbH Einsatzbaugruppe für einen Schalldämpfer einer Abgasanlage einer Brennkraftmaschine
JP7556796B2 (ja) 2021-01-14 2024-09-26 フタバ産業株式会社 排気ユニット
DE102021115962A1 (de) * 2021-06-21 2022-12-22 Purem GmbH Schalldämpfer und Verfahren zur Herstellung eines Schalldämpfers
DE102022124582A1 (de) * 2022-09-26 2024-03-28 Purem GmbH Schalldämpfer

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US20070051557A1 (en) * 2005-09-08 2007-03-08 Chih-Kuang Chang Automobile exhaust pipe assembly

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DE102010015322B4 (de) 2010-04-17 2013-07-11 J. Eberspächer GmbH & Co. KG Schalldämpfer und Herstellungsverfahren
US8047328B1 (en) * 2010-06-09 2011-11-01 Mark Milewicz Plastic muffler and method for making same
DE102014110098A1 (de) * 2014-07-18 2016-01-21 Friedrich Boysen Gmbh & Co. Kg Schalldämpfer

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US20070051557A1 (en) * 2005-09-08 2007-03-08 Chih-Kuang Chang Automobile exhaust pipe assembly

Also Published As

Publication number Publication date
CN107023372B (zh) 2019-09-24
US10267207B2 (en) 2019-04-23
US20170218830A1 (en) 2017-08-03
EP3199772A1 (fr) 2017-08-02
CN107023372A (zh) 2017-08-08
DE102016101693A1 (de) 2017-08-03

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