EP2639423B1 - Silencieux d'échappement - Google Patents

Silencieux d'échappement Download PDF

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Publication number
EP2639423B1
EP2639423B1 EP13156077.3A EP13156077A EP2639423B1 EP 2639423 B1 EP2639423 B1 EP 2639423B1 EP 13156077 A EP13156077 A EP 13156077A EP 2639423 B1 EP2639423 B1 EP 2639423B1
Authority
EP
European Patent Office
Prior art keywords
outlet
inlet
collar
opening
silencer unit
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.)
Revoked
Application number
EP13156077.3A
Other languages
German (de)
English (en)
Other versions
EP2639423A1 (fr
Inventor
Markus Schmitt
Michael 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.)
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
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Application filed by Eberspaecher Exhaust Technology GmbH and Co KG filed Critical Eberspaecher Exhaust Technology GmbH and Co KG
Publication of EP2639423A1 publication Critical patent/EP2639423A1/fr
Application granted granted Critical
Publication of EP2639423B1 publication Critical patent/EP2639423B1/fr
Revoked 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
    • F01N13/001—Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine
    • 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
    • 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
    • F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • 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
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • 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
    • 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
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • 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
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • F01N13/1894—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells the parts being assembled in longitudinal direction
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated

Definitions

  • the present invention relates to a silencer unit, in particular for a motor vehicle.
  • the present invention further relates to an exhaust system for a motor vehicle.
  • Conventional muffler units usually have a substantially tubular housing with an upper shell and a lower shell, which forms a gas-tight closed cavity in an assembled state, wherein on the housing an outlet pipe and an inlet pipe are mounted.
  • Such silencer units are used for example for internal combustion engines of motor vehicles.
  • a muffler may also be arranged in a fresh air tract or in an intake tract of the internal combustion engine.
  • a muffler which comprises a two-part housing with a respective shell-like formed first and second housing part which forms a cavity for receiving a gas in an assembled state.
  • an outlet and an inlet opening are provided in the housing, wherein the inlet opening is partially arranged both in the first and in the second housing part. Accordingly, the outlet opening is also partially provided both in the first and in the second housing part.
  • the outlet or inlet opening is therefore in each case arranged between the two housing parts and partially encompassed by the two housing parts.
  • the muffler further includes an outlet bottom and an inlet bottom which are in the outlet opening and the inlet opening, respectively are attached.
  • a silencer unit is known with a two-part housing, which comprises a respective shell-like formed first and second housing part.
  • An inlet opening is provided in an inlet floor, and an outlet opening is provided in an outlet floor.
  • the inlet bottom and the outlet bottom are formed as a cover insertable into the inlet opening or into the outlet opening.
  • the US 4,993 . 513 describes a silencer with a two-shell housing. On the housing, an inlet and an outlet bottom are provided, which are welded to the housing and the inlet and outlet tube.
  • the WO 2008/073 137 A1 discloses a muffler having a clam shell made of a fiber reinforced plastic and two sleeve-like bottoms attached to the housing and the outlet tube.
  • the present invention addresses the problem of providing an improved embodiment of a muffler of the type mentioned, in particular with regard to the attachment of a bottom in an opening in the housing of the muffler.
  • the invention is based on the general idea that the outlet bottom and the inlet bottom are in each case designed as covers which can be inserted into the outlet opening or onto the inlet opening. This allows a particularly stable and thus reliable attachment of the inlet or outlet bottom on the inlet or outlet opening. According to the invention can thus relatively inexpensively different designs of silencer units produce by the use of easily adaptable for different exhaust systems exhaust or inlet floors, at the same time both the outlet bottom and the inlet bottom is mechanically very stable and reliable attached to the housing parts. In particular, various types of mechanically very stable types of silencer units in the sense of a modular system can be realized according to the invention.
  • the outlet opening and the inlet opening each have circumferentially an outlet collar or an inlet collar along an outer circumference, which projects in each case outwardly from the housing, the outlet floor and the inlet bottom each having an outlet bottom collar or inlet bottom collar complementary to the outlet collar.
  • the outlet bottom collar and the inlet bottom collar each protrude away from the outlet bottom or inlet bottom to the housing.
  • an outer peripheral surface of the exhaust bottom collar may at least partly abut an inner peripheral surface of the exhaust collar and / or an outer peripheral surface of the inlet bottom collar may be abutted on an inner circumferential surface at least partially abut the inlet collar.
  • the outer peripheral surface of the outlet bottom collar is welded to the inner peripheral surface of the outlet collar and / or to an end portion of the outlet collar; and that the outer peripheral surface of the inlet bottom collar is welded to the inner peripheral surface of the inlet collar and / or to an end portion of the inlet collar.
  • the outlet bottom can have at least one through-opening for receiving at least one outlet pipe and / or the inlet bottom can have at least one through-opening for receiving at least one inlet pipe.
  • both the number and the respective position of the outlet tubes to be arranged in the outlet bottom or arranged in the inlet bottom Inlet pipes are varied according to the use of the silencer unit.
  • At least one outlet tube in particular by means of welding, is mounted in the at least one through opening of the outlet bottom, and / or at least one inlet tube, in particular by means of welding, is mounted in the at least one through opening of the inlet bottom.
  • the outlet opening may be partially provided both in the first and in the second housing part, wherein the inlet opening is provided in each case partially in both the first and in the second housing part can be.
  • the outlet or inlet opening can be inserted into the first housing part before it is connected to the second housing part.
  • the first and / or second housing part made of an austenitic and / or a ferritic material.
  • a wall thickness of the first and / or the second housing part between 0.8 mm and 3.0 mm, preferably 1.0 mm. This allows the production of the silencer unit according to the invention in lightweight construction.
  • the silencer unit is designed such that in a mounted state, it has a first natural frequency of at least 200 Hz, preferably of at least 300 Hz. In this way, a particularly effective sound attenuation by means of the silencer unit is possible.
  • the invention further relates to an exhaust system for a motor vehicle, comprising a silencer unit having one or more of the above features, a fluidically connected to the silencer unit feed line for supplying exhaust gas into the silencer unit and one with the silencer unit fluidly connected discharge line for the discharge of exhaust gas from the silencer unit.
  • Fig. 1 is a silencer unit according to the invention designated 1.
  • the presentation of the Fig. 1 a and 1 b shows a perspective view of the inventive silencer unit 1.
  • Die Fig. 1b corresponds to the representation of Fig. 1a but with a housing cover lifted from a housing bottom.
  • the silencer unit 1 comprises a two-part housing 4 with a respective shell-like first housing part 2, which may be formed as a housing bottom, and with a second housing part 3, which may be formed as a housing cover (in the Fig. 1b Not shown).
  • the first and the second housing part 2, 3 can be made in variants of an austenitic or / and a ferritic material.
  • an inlet opening 6 and an outlet opening 5 are provided in the housing 4. Through the inlet opening 6 of the muffler unit 1, a hot gas, in particular an exhaust gas, and sound to be damped be supplied.
  • a plurality of transverse walls can be arranged, which can divide the housing 4 for damping the sound entering into the muffler unit 1 sound in several subspaces.
  • the arrangement and number of transverse walls many variants are conceivable.
  • two transverse walls 7 and 8 are arranged, which separate an interior of the housing 4 into a first, second and third subspace 9, 10, 11.
  • the silencer unit 1 also has an outlet bottom 12 and an inlet bottom 13, which in the assembled state in each of the Outlet opening 5 and inlet opening 6 are used.
  • the outlet bottom 12 according to the exemplary embodiment, two passage openings 14, 15 are provided, through each of which an exhaust pipe 16, 17 can be guided.
  • the discharge tube 16, 17 can be welded to the passage openings 14, 15.
  • the exhaust pipes 16, 17 are performed within the housing 4 through the transverse walls 7, 8 and form a sound damping structure 18 together with the transverse walls 7, 8.
  • a through opening 20 is now also provided, through which a supply pipe 19 is performed.
  • the feed tube 19 can be welded to the inlet bottom 13.
  • the supply pipe 19 is fixed in the housing 4 to the transverse walls 7, 8 and performed by them.
  • the supply pipe 19 is thus also part of the sound damping structure 18.
  • the outlet bottom 12 and the inlet bottom 13 are each in the form of a lid inserted in the outlet opening 5 or in the inlet opening 6 21 formed. This is for clarification in the following to be explained roughly schematic representation of Fig. 2 shown.
  • the Fig. 2 shows in a rough schematic sectional view formed as a bottom second housing part 3, in which the outlet opening 5 is provided.
  • the outlet opening 5 of the cover 21 designed as outlet outlet 12 is inserted.
  • the outlet bottom 12 has the passage openings 14, 15, through which the discharge pipes 16, 17 are performed.
  • the exhaust pipes 16, 17 are welded to the outlet bottom 12, as already explained.
  • the outlet opening 5 has an outlet collar 22 which runs around along an outer circumference and which points outwards (arrow A in FIG Fig. 2 ) protrudes.
  • the outlet bottom 12 in each case has an outlet bottom collar 23 which is complementary to the outlet collar 22.
  • an outer peripheral surface 24 of the outlet bottom collar 23 abuts against an inner circumferential surface 25 of the outlet collar 22.
  • the outer peripheral surface 24 may be welded to the inner circumferential surface 25.
  • the outer peripheral surface 24 may also be welded to an end section 26 of the outlet collar 22 enclosing the outlet opening 5 and the outlet collar 22.
  • a corresponding weld is in the Fig.2 denoted by the reference numeral 27.
  • FIG. 2 The stable mounting of the outlet bottom 12 formed on the outlet opening 5 as a cover 21 is shown in a roughly schematic manner correspondingly for fastening an inlet floor 13 likewise designed as a cover on the inlet opening 6 (cf. Fig. 1 ) applicable.
  • the outlet opening 5 may each be partially provided both in the first and in the second housing part 2, 3, and the inlet opening 6 may each be partially provided both in the first and in the second housing part 2, 3 ,
  • the assembly of the silencer unit 1 according to the invention can be substantially simplified.
  • the outlet bottom 12 can then be inserted into the outlet opening 5 or the inlet base 13 into the inlet opening 6 before the first housing part 2 is welded to the second housing part 3.
  • a wall thickness of the first or / and the second housing part 2, 3 is between 0.8 mm and 3.0 mm, but preferably 1.0 mm.
  • the natural frequency of the silencer unit 1 preferably has a first natural frequency of at least 200 Hz, most preferably of at least 300 Hz, in the mounted state.
  • the muffler unit 1 of the embodiment may be equipped with an exhaust system for a motor vehicle (in the Fig. 1 and 2 not shown). Such an exhaust system then comprises a feed line fluidically connected to the silencer unit 1 for supplying exhaust gas into the silencer unit 1 and a discharge line fluidically connected to the silencer unit 1 for discharging exhaust gas from the silencer unit 1.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (10)

  1. Unité formant un silencieux (1), destinée en particulier à un véhicule automobile,
    - comprenant un boîtier (4) en deux parties, pourvu d'une première et d'une deuxième partie de boîtier (2, 3) respectivement réalisées à la manière d'une coque,
    - une ouverture de sortie et une ouverture d'entrée (5, 6) étant prévues dans le boîtier (4),
    - comprenant un fond de sortie (12) et un fond d'entrée (13), qui sont insérés dans l'ouverture de sortie (5) ou dans l'ouverture d'entrée (6)
    - le fond de sortie (12) et le fond d'entrée (13) étant réalisés respectivement sous la forme d'un couvercle pouvant être emboîté dans l'ouverture de sortie (5) ou dans l'ouverture d'entrée (6),
    - l'ouverture de sortie (5) et l'ouverture d'entrée (6) présentant respectivement tout autour d'une périphérie extérieure un col de sortie (22) ou un col d'entrée, qui fait respectivement saillie du boîtier (4) vers l'extérieur,
    caractérisée en ce
    - que le fond de sortie (12) et le fond d'entrée (13) présentent respectivement un col de fond de sortie (23) ou un col de fond d'entrée complémentaire au col de sortie (22) ou au col d'entrée, lesquels dépassent respectivement de manière à s'éloigner du fond de sortie (12) ou du fond d'entrée (13) en direction du boîtier (2).
  2. Unité formant un silencieux (1) selon la revendication 1,
    caractérisée en ce
    qu'à un état monté de l'unité formant un silencieux,
    - une surface périphérique extérieure (24) du col de fond de sortie (23) repose au moins en partie au niveau d'une surface périphérique intérieure (25) du col de sortie (22), et
    - une surface périphérique extérieure du col de fond d'entrée repose au moins en partie au niveau d'une surface périphérique intérieure du col d'entrée.
  3. Unité formant un silencieux (1) selon la revendication 2,
    caractérisée en ce
    que dans l'état monté
    - la surface périphérique extérieure (24) du col de fond de sortie (23) est soudée à la surface périphérique intérieure (25) du col de sortie (22) et/ou à une section d'extrémité du col de sortie (22), et
    - en ce que la surface périphérique extérieure du col de fond d'entrée est soudée à la surface périphérique intérieure du col d'entrée et/ou à une section d'extrémité du col d'entrée.
  4. Unité formant un silencieux (1) selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    - que le fond de sortie (12) présente au moins une ouverture de passage (14, 15) servant à recevoir au moins un tuyau de sortie (16, 17), et/ou en ce
    - que le fond d'entrée (13) présente au moins une ouverture de passage (20) servant à recevoir au moins un tuyau d'entrée (19).
  5. Unité formant un silencieux (1) selon la revendication 4,
    caractérisée en ce
    - qu'au moins un tuyau de sortie (16, 17) est mis en place, en particulier au moyen d'un soudage, dans l'ouverture de passage (14, 15) au moins au nombre de une du fond de sortie (12), et/ou en ce
    - qu'au moins un tuyau d'entrée est mis en place, en particulier au moyen d'un soudage, dans l'ouverture de passage (20) au moins au nombre de une du fond d'entrée (13).
  6. Unité formant un silencieux (1) selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    - que l'ouverture de sortie (5) est prévue au moins en partie aussi bien dans la première que dans la deuxième partie de boîtier (2, 3),
    - en ce que l'ouverture d'entrée (6) est prévue au moins en partie aussi bien dans la première que dans la deuxième partie de boîtier (2, 3).
  7. Unité formant un silencieux (1) selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que la première et/ou la deuxième partie de boîtier (2, 3) sont fabriquées à partir d'un matériau austénitique et/ou ferritique.
  8. Unité formant un silencieux (1) selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    qu'une épaisseur de paroi de la première et/ou de la deuxième partie de boîtier (2, 3) présente une valeur comprise entre 0,8 mm et 3,0 mm, de préférence une valeur de 1,0 mm.
  9. Unité formant un silencieux (1) selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que l'unité formant un silencieux (1) est réalisée de telle manière qu'elle présente, dans un état monté, une première fréquence propre d'au moins 200 Hz, de préférence d'au moins 300 Hz.
  10. Système de gaz d'échappement destiné à un véhicule automobile, comprenant :
    - une unité formant un silencieux (1) selon l'une quelconque des revendications précédentes,
    - une conduite d'amenée reliée de manière fluidique à l'unité formant un silencieux (1) servant à amener des gaz d'échappement dans l'unité formant un silencieux (1),
    - une conduite d'évacuation reliée de manière fluidique à l'unité formant un silencieux (1) servant à évacuer des gaz d'échappement de l'unité formant un silencieux (1).
EP13156077.3A 2012-03-15 2013-02-21 Silencieux d'échappement Revoked EP2639423B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012204114.1A DE102012204114B4 (de) 2012-03-15 2012-03-15 Schalldämpfer-Einheit

Publications (2)

Publication Number Publication Date
EP2639423A1 EP2639423A1 (fr) 2013-09-18
EP2639423B1 true EP2639423B1 (fr) 2016-06-22

Family

ID=47748500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13156077.3A Revoked EP2639423B1 (fr) 2012-03-15 2013-02-21 Silencieux d'échappement

Country Status (5)

Country Link
US (1) US8939254B2 (fr)
EP (1) EP2639423B1 (fr)
JP (1) JP2013194736A (fr)
CN (1) CN103410597B (fr)
DE (1) DE102012204114B4 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8827035B2 (en) * 2012-12-03 2014-09-09 Ford Global Technologies, Llc Conformal transverse muffler
CN104832259B (zh) * 2014-05-28 2018-12-25 北汽福田汽车股份有限公司 用于汽车的消声器及具有其的汽车
CA3019194A1 (fr) 2016-03-30 2017-10-05 Marine Canada Acquisition Inc. Appareil de chauffage de vehicule et commandes associees
DE102016123114A1 (de) * 2016-11-30 2018-05-30 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Fahrzeugkomponente
US10787951B2 (en) 2017-11-20 2020-09-29 Tenneco Automotive Operating Company Inc. Pipe and metal sheet subassembly for an exhaust treatment device

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056604A2 (fr) 1981-01-16 1982-07-28 Alcan Aluminiumwerke GmbH Silencieux d'échappement pour moteurs à combustion interne et procédé pour sa fabrication
EP0337877A1 (fr) 1988-04-12 1989-10-18 Regie Nationale Des Usines Renault Silencieux pour moteur à explosion
US4993513A (en) 1988-01-29 1991-02-19 Honda Giken Kogyo Kabushiki Kaisha Muffler
US5627351A (en) 1994-06-11 1997-05-06 Honda Giken Kogyo Kabushiki Kaisha Spark arrester for an exhaust unit of a vehicle
US5739484A (en) 1997-03-12 1998-04-14 Jones; Mack L. Exhaust muffler
EP1061240A2 (fr) 1999-06-17 2000-12-20 Scambia Industrial Developments Aktiengesellschaft Procédé de raccordement d'éléments d'un système d'échappement et ainsi qu'un système d'échappement
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EP1691050A1 (fr) 2005-01-17 2006-08-16 J. Eberspächer GmbH & Co. KG Silencieux
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CN103410597B (zh) 2016-12-28
JP2013194736A (ja) 2013-09-30
EP2639423A1 (fr) 2013-09-18
US20130240289A1 (en) 2013-09-19
DE102012204114B4 (de) 2015-03-26
DE102012204114A1 (de) 2013-09-19
US8939254B2 (en) 2015-01-27
CN103410597A (zh) 2013-11-27

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