EP2633162B1 - Système de silencieux d'échappement - Google Patents

Système de silencieux d'échappement Download PDF

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Publication number
EP2633162B1
EP2633162B1 EP11776425.8A EP11776425A EP2633162B1 EP 2633162 B1 EP2633162 B1 EP 2633162B1 EP 11776425 A EP11776425 A EP 11776425A EP 2633162 B1 EP2633162 B1 EP 2633162B1
Authority
EP
European Patent Office
Prior art keywords
muffler
exhaust gas
housing
wall
arrangement
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.)
Not-in-force
Application number
EP11776425.8A
Other languages
German (de)
English (en)
Other versions
EP2633162A1 (fr
Inventor
Kurt Klammler
Thomas Obenaus
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.)
AVL List GmbH
Original Assignee
AVL List 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
Application filed by AVL List GmbH filed Critical AVL List GmbH
Publication of EP2633162A1 publication Critical patent/EP2633162A1/fr
Application granted granted Critical
Publication of EP2633162B1 publication Critical patent/EP2633162B1/fr
Not-in-force 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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 exhaust 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
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features having thermal insulation
    • F01N13/141—Double-walled exhaust pipes or housings
    • 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
    • F01N13/1888—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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F01N3/2885—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with exhaust silencers in a single housing
    • 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
    • F01N2210/00—Combination of methods of silencing
    • F01N2210/02—Resonance and interference
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • 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
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction

Definitions

  • the partition wall has at least one thermal insulation, wherein preferably the partition wall has a sandwich-type structure with at least three layers, wherein an insulating mat is particularly preferably arranged between two separating plates.
  • the flow connection between the two chambers may be formed by a sliding seat normal to the partition exhibiting connecting pipe.
  • the housing is formed integrally with at least one preferably flexible exhaust pipe and / or an exhaust manifold, wherein to minimize the heat radiation may be provided that the exhaust pipe and / or the exhaust manifold, preferably by a sandwich Structure formed insulation having preferably arranged between two metallic layers insulating layer.
  • the housing comprises an upper shell and a lower shell, the upper shell and the lower shell preferably being parallel in the region of a parting plane welded to the partition wall. It is particularly advantageous if the inner wall of the upper and / or lower shell housing wall of a half-shell, preferably made of sheet metal.
  • the in Fig. 4 illustrated pre-muffler VSD in the chamber 3 is formed as a so-called reflection muffler 10 and has a plurality of reflection chambers 10a, 10b, which are bounded by normal to the partition wall 9 arranged reflective plates 11a, 11b, 11c.
  • the reflection muffler 10 has an input pipe 12a, a connection pipe 12b and an exhaust pipe 12c.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (14)

  1. Dispositif de silencieux d'échappement (1) pour un moteur à combustion interne, en particulier un ensemble de production de courant comprenant un silencieux amont (VSD) et un silencieux aval (NSD), le silencieux amont (VSD) et le silencieux aval (NSD) étant montés dans un boitier commun (2), le silencieux amont (VSD) étant monté dans une première chambre (3) de ce boitier tandis que le silencieux aval (NSD) est monté dans une seconde chambre (4) de celui-ci, et ces deux chambres (3, 4) étant en liaison d'écoulement par l'intermédiaire d'au moins une liaison d'écoulement,
    caractérisé en ce qu'
    une paroi de séparation (9) des deux chambres (3, 4) comportant la liaison d'écoulement comporte au moins une isolation thermique.
  2. Dispositif de silencieux d'échappement (1) conforme à la revendication 1,
    caractérisé en ce que
    les deux chambres (3, 4) sont montées au voisinage l'une de l'autre ou l'une sur l'autre selon une configuration de type sandwich.
  3. Dispositif de silencieux d'échappement (1) conforme à la revendication 1 ou 2,
    caractérisé en ce que
    la paroi de séparation (9) comporte une structure de type sandwich ayant au moins trois couches, une couche isolante (9c) étant de préférence positionnée entre deux tôles de séparation (9a, 9b).
  4. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 3,
    caractérisé en ce qu'
    une paroi (8) du boitier (2) séparant ce boitier (2) de l'environnement comporte une isolation thermique, cette paroi de boitier (8) ayant de préférence une structure de type sandwich ayant au moins trois couches, et de façon particulièrement préférentielle une couche isolante (8c) est positionnée entre une paroi interne métallique (8a) et une paroi externe de préférence métallique (8b) de la paroi (8) du boitier.
  5. Dispositif de silencieux d'échappement (1) conforme à la revendication 4,
    caractérisé en ce que
    la paroi externe (8b) de la paroi (8) du boitier est constituée d'une feuille d'acier spécial au moins en une seule couche, de préférence estampée en une calotte.
  6. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 5,
    caractérisé en ce que
    le silencieux amont (VSD) est réalisé sous la forme d'un silencieux par réflexion (10).
  7. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 6,
    caractérisé en ce que
    le silencieux aval (NSD) comporte au moins deux, de préférence au moins trois et de façon particulièrement préférentielle au moins quatre chambres de résonateur R1, R2, R3, R4.
  8. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 7,
    caractérisé en ce que
    dans le boitier (2) au moins en amont du silencieux amont (VSD) est monté au moins un dispositif de post-traitement des gaz d'échappement (6) formé de préférence par au moins une unité de catalyseur (5a, 5b).
  9. Dispositif de silencieux d'échappement (1) conforme à la revendication 8,
    caractérisé en ce que
    le boitier (2) comporte au moins une ouverture de montage (15) pouvant être fermée pour permettre le montage et le démontage du dispositif de post-traitement des gaz d'échappement (6).
  10. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 9,
    caractérisé en ce que
    le boitier (2) est réalisé en une seule pièce avec au moins une tubulure des gaz d'échappement, de préférence flexible et/ou un raccord coudé pour les gaz d'échappement (7).
  11. Dispositif de silencieux d'échappement (1) conforme à la revendication 10,
    caractérisé en ce que
    la tubulure des gaz d'échappement et/ou le raccord coudé pour les gaz d'échappement (7) comporte une isolation de préférence formée par une structure de type sandwich ayant de préférence une couche isolante positionnée entre deux couches métalliques.
  12. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 11,
    caractérisé en ce que
    la liaison d'écoulement entre les deux chambres (3, 4) est formée par une tubulure de liaison (16) susceptible de coulisser dans un siège de coulissement (17) de préférence perpendiculairement à la paroi de séparation (9).
  13. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 12,
    caractérisé en ce que
    le boitier (2) est constitué d'une coquille supérieure (2a) et d'une coquille inférieure (2b), la coquille supérieure (2a) et la coquille inférieure (2b) étant soudées l'une à l'autre parallèlement à la paroi de séparation (9), de préférence dans la zone d'un plan de séparation (ε).
  14. Dispositif de silencieux d'échappement (1) conforme à l'une des revendications 1 à 13,
    caractérisé en ce que
    la paroi interne (8a) du boitier (2) est constituée d'au moins une demi coquille de préférence en tôle.
EP11776425.8A 2010-10-28 2011-10-27 Système de silencieux d'échappement Not-in-force EP2633162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1788/2010A AT510788B1 (de) 2010-10-28 2010-10-28 Abgasschalldämpferanordnung
PCT/EP2011/068829 WO2012055949A1 (fr) 2010-10-28 2011-10-27 Système de silencieux d'échappement

Publications (2)

Publication Number Publication Date
EP2633162A1 EP2633162A1 (fr) 2013-09-04
EP2633162B1 true EP2633162B1 (fr) 2015-01-21

Family

ID=44897755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11776425.8A Not-in-force EP2633162B1 (fr) 2010-10-28 2011-10-27 Système de silencieux d'échappement

Country Status (5)

Country Link
EP (1) EP2633162B1 (fr)
JP (1) JP2013540948A (fr)
CN (1) CN103261593B (fr)
AT (1) AT510788B1 (fr)
WO (1) WO2012055949A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012209932A1 (de) * 2012-06-13 2013-12-19 Eberspächer Exhaust Technology GmbH & Co. KG Leichtbau-Schalldämpfer

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288891A (fr) * 1961-02-16 1962-03-30 Tecalemit Dispositif silencieux et déformateur des ondes acoustiques
JPS5982517A (ja) * 1982-11-01 1984-05-12 Yamaha Motor Co Ltd 自動二輪車等の消音器構造
JPS59155528A (ja) 1983-02-25 1984-09-04 Honda Motor Co Ltd 消音器
JPS60175717A (ja) * 1984-02-20 1985-09-09 Honda Motor Co Ltd 内燃機関用消音器
US4894987A (en) 1988-08-19 1990-01-23 Ap Parts Manufacturing Company Stamp formed muffler and catalytic converter assembly
JPH0723685B2 (ja) * 1990-11-09 1995-03-15 日本碍子株式会社 エンジン排気ガス用サイレンサー
JP2578330Y2 (ja) * 1992-02-10 1998-08-13 株式会社共立 内燃機関の排気マフラー構造
DE19608273A1 (de) * 1996-03-05 1997-09-11 Eberspaecher J Gmbh & Co Kombinierter Reflexions-Absorptions-Abgas-Schalldämpfer in Mehrkammerbauweise
DE19611133A1 (de) * 1996-03-21 1997-09-25 Eberspaecher J Schalldämpfer-Anordnung
DE19834822A1 (de) 1998-08-01 2000-02-03 Stihl Maschf Andreas Abgasschalldämpfer mit einem Katalysator
EP0992659B1 (fr) * 1998-10-05 2007-05-02 Scambia Industrial Developments Aktiengesellschaft Elément de conduit d'échappement et procédé de préparation d'un élément de conduit d'échappement
GB2347970A (en) 1999-03-13 2000-09-20 Ford Global Tech Inc Motor vehicle exhaust system insulated downstream of catalytic converter
JP2001164919A (ja) * 1999-12-06 2001-06-19 Mitsubishi Heavy Ind Ltd エンジンの排気消音器
DE10060522B4 (de) * 2000-12-06 2004-07-22 J. Eberspächer GmbH & Co. KG Abgas-Schalldämpfer für ein brennstoffbetriebenes Heizgerät
DE60129989T2 (de) * 2001-11-05 2008-05-15 Hiraoka Mfg. Co. Ltd., Ohme Schalldämpfer eines Motors
JP2003239717A (ja) * 2002-02-18 2003-08-27 Nissan Motor Co Ltd 消音装置
JP4047060B2 (ja) * 2002-04-30 2008-02-13 日野自動車株式会社 マフラ
DE10248781B3 (de) 2002-10-15 2004-02-19 Atj Autotechnik Gmbh Verfahren zur Herstellung isolierter Körper
CN2596032Y (zh) 2002-12-25 2003-12-31 罗开明 散热免烫摩托车消声器
JP2005083254A (ja) * 2003-09-08 2005-03-31 Fuji Heavy Ind Ltd 汎用エンジンの排気浄化装置
CN2736540Y (zh) * 2003-10-27 2005-10-26 张红杰 发动机低温防火消音器
JP4867855B2 (ja) * 2007-08-28 2012-02-01 トヨタ自動車株式会社 スピーカ付きマフラ
CN201521328U (zh) * 2009-09-08 2010-07-07 博浪柯(浙江)机电制造有限公司 柴油发电机之双排气口消声器

Also Published As

Publication number Publication date
CN103261593B (zh) 2018-02-02
EP2633162A1 (fr) 2013-09-04
CN103261593A (zh) 2013-08-21
AT510788B1 (de) 2012-10-15
WO2012055949A1 (fr) 2012-05-03
AT510788A1 (de) 2012-06-15
JP2013540948A (ja) 2013-11-07

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