EP2362076B1 - Amortisseur de bruit - Google Patents

Amortisseur de bruit Download PDF

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Publication number
EP2362076B1
EP2362076B1 EP11150812.3A EP11150812A EP2362076B1 EP 2362076 B1 EP2362076 B1 EP 2362076B1 EP 11150812 A EP11150812 A EP 11150812A EP 2362076 B1 EP2362076 B1 EP 2362076B1
Authority
EP
European Patent Office
Prior art keywords
pipe
deflection
flow
outlet
housing
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
EP11150812.3A
Other languages
German (de)
English (en)
Other versions
EP2362076A2 (fr
EP2362076A3 (fr
Inventor
Peter Gorke
Michael Pommerer
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 EP2362076A2 publication Critical patent/EP2362076A2/fr
Publication of EP2362076A3 publication Critical patent/EP2362076A3/fr
Application granted granted Critical
Publication of EP2362076B1 publication Critical patent/EP2362076B1/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
    • 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

Definitions

  • the present invention relates to a silencer, in particular a rear silencer, for an exhaust system of an internal combustion engine, in particular of a motor vehicle, having the features of the preamble of claim 1.
  • the deflecting tube has on its closed side a concavely curved bottom to the outlet tube.
  • the flow resistance of the muffler can be reduced.
  • the housing or an outer tube enclosing the deflecting tube may have, on its side facing the open side of the deflecting tube, a concavely curved bottom in relation to the deflecting tube. As a result, the 180 ° deflection is favored, which reduces the flow resistance of the muffler.
  • the outlet pipe at its inlet side, ie within the deflection tube, with a perforation.
  • a perforation can reduce the generation of higher-frequency noise.
  • the muffler 1 is integrated in the installed state in a here only partially recognizable exhaust system 5, which belongs to an internal combustion engine, not shown here, which are preferably arranged in a motor vehicle can. If the muffler 1 is preferably configured as a rear muffler 1, it is located in an exit-side end region of the exhaust system 5.
  • the outlet pipe arrangement 4 led out of the housing 2 comprises a so-called tail pipe 6 of the exhaust system 5 or is connected to this tail pipe 6.
  • the tailpipe 6 is characterized in that it has the outlet-side orifice of the exhaust system 5 or the respective strand of the exhaust system 5.
  • the rear silencer 1 is thus located on the tailpipe 6 or close to the tailpipe 6.
  • the cross-section of the inner channel 14 can be the same size as the cross-section through which the exhaust pipe 9 can flow the flow-through cross-sections of the outer channel 13, the inner channel 14 and the outlet pipe 9 can be matched to one another with regard to a reduced flow resistance.

Landscapes

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

Claims (13)

  1. Silencieux d'échappement, notamment silencieux d'échappement arrière, pour une installation de gaz d'échappement (5) d'un moteur à combustion interne, notamment d'un véhicule automobile,
    - comportant un logement (2), dans lequel se trouve un espace de sortie (3),
    - comportant un dispositif de tuyau de sortie (4) menant hors du logement (2), qui est relié fluidiquement du côté d'entrée à l'espace de sortie (3),
    - dans lequel le dispositif de tuyau de sortie (4) est conçu comme un dispositif de tuyau en tuyau (7), qui présente au moins un tuyau de déviation (8) fermé d'un côté, disposé dans le logement (2) et un tuyau de sortie (9) menant hors du logement (2),
    - dans lequel le tuyau de déviation (8) présente sur son côté ouvert un contour de déviation d'écoulement (19) pour dévier l'écoulement en réduisant la résistance,
    caractérisé en ce que
    - le tuyau de sortie (9) présente une perforation (22) sur son côté d'entrée,
    - le tuyau de sortie (9) est fixé au tuyau de déviation (8) sur son côté d'entrée.
  2. Silencieux d'échappement selon la revendication 1,
    caractérisé
    en ce que le disposition de tuyau en tuyau (7) présente un trajet d'écoulement (10), qui présente au moins deux déviations à 180° (11,12) de l'espace de sortie (3) jusqu'au tuyau de sortie (9).
  3. Silencieux d'échappement selon les revendications 1 ou 2,
    caractérisé
    en ce que la disposition de tuyau en tuyau (7) présente un canal extérieur (13) conçu radialement entre le tuyau de déviation (8) et le logement (2) ou comme un tuyau extérieur enveloppant le tuyau de déviation (8).
  4. Silencieux d'échappement selon une des revendications 1 à 3,
    caractérisé
    en ce que la disposition de tuyau en tuyau (7) présente un canal intérieur (14) conçu radialement entre le tuyau de déviation (8) et le tuyau de sortie (9).
  5. Silencieux d'échappement selon une des revendications 3 à 4,
    caractérisé
    en ce que la section transversale du canal extérieur (13) traversée par un écoulement est plus petite ou de taille identique à la section transversale traversée par un écoulement du canal intérieur (14).
  6. Silencieux d'échappement selon une des revendications 3 à 5,
    caractérisé
    en ce que la section transversale traversée par un écoulement du canal intérieur (14) est plus petite ou de taille identique à la section transversale traversée par un écoulement du tuyau de sortie (9).
  7. Silencieux d'échappement selon une des revendications 3 à 6,
    caractérisé
    en ce que les section transversales traversées par un écoulement du canal de sortie (9), du canal intérieur (14) et du canal extérieur (13) sont harmonisées les unes aux autres en ce qui concerne une résistance à l'écoulement réduite.
  8. Silencieux d'échappement selon une des revendications 1 à 7,
    caractérisé
    en ce que le logement (2) ou le tuyau extérieur enveloppant le tuyau de déviation (8), le tuyau de déviation (8) et le tuyau de sortie (9) sont disposés les uns dans les autres sur des axes parallèles.
  9. Silencieux d'échappement selon la revendication 8,
    caractérisé
    en ce que le logement (2) ou le tuyau extérieur enveloppant la tuyau de déviation (8), le tuyau de déviation (8) et le tuyau de sortie (9) sont disposés concentriquement les uns aux autres.
  10. Silencieux d'échappement selon la revendication 8,
    caractérisé
    en ce que au moins deux du groupe du logement (2) ou le tuyau extérieur enveloppant le tuyau de déviation (8), le tuyau de déviation (8) et le tuyau de sortie (9) sont disposés excentriquement les uns par rapport aux autres.
  11. Silencieux d'échappement selon une des revendications 1 à 10,
    caractérisé
    en ce que le tuyau de déviation (8) présente sur son côté fermé un fond (17) bombé concavement par rapport au tuyau de sortie (9).
  12. Silencieux d'échappement selon une des revendications 1 à 11,
    caractérisé
    en ce que le logement (2) ou le tuyau extérieur enveloppant le tuyau de déviation (8) présente sur son côté tourné vers le côté ouvert du tuyau de déviation (8) un fond (18) bombé concavement par rapport au tuyau de déviation (8).
  13. Silencieux d'échappement selon une des revendications 1 à 12,
    caractérisé
    en ce que le contour de déviation d'écoulement (19) est conçu comme un collier de déviation (20) déviant vers l'extérieur et comme une zone d'extrémité arrondie (21).
EP11150812.3A 2010-02-18 2011-01-13 Amortisseur de bruit Active EP2362076B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010008403A DE102010008403A1 (de) 2010-02-18 2010-02-18 Schalldämpfer

Publications (3)

Publication Number Publication Date
EP2362076A2 EP2362076A2 (fr) 2011-08-31
EP2362076A3 EP2362076A3 (fr) 2012-05-16
EP2362076B1 true EP2362076B1 (fr) 2014-04-02

Family

ID=43921053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11150812.3A Active EP2362076B1 (fr) 2010-02-18 2011-01-13 Amortisseur de bruit

Country Status (5)

Country Link
US (1) US8302732B2 (fr)
EP (1) EP2362076B1 (fr)
JP (1) JP6039880B2 (fr)
CN (1) CN102162386B (fr)
DE (1) DE102010008403A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049578A1 (de) * 2010-10-26 2012-04-26 Webasto Ag Schalldämpfereinrichtung für eine Fluidleitung sowie Heizgerät mit einer Schalldämpfereinrichtung
KR101315266B1 (ko) * 2012-02-24 2013-10-08 세종공업 주식회사 소음기용 테일파이프구조
DE102012006544B4 (de) 2012-04-02 2015-12-31 Tenneco Gmbh Schalldämpfer mit Ankopplung Endrohr über Kopplungskammer
CN103836339A (zh) * 2012-11-27 2014-06-04 深圳市达航工业有限公司 飞机气源车的供气消音器
US8978819B2 (en) * 2013-06-07 2015-03-17 Yamaha Hatsudoki Kabushiki Kaisha Spark arrestor, muffler, and straddle type vehicle
WO2014205039A1 (fr) * 2013-06-19 2014-12-24 Norvell James Gene Appareil silencieux à recyclage de flux et son procédé
CN104324582B (zh) * 2014-11-14 2018-02-27 北京中成航宇空分设备有限公司 变压吸附设备消声器、变压吸附设备
JP6059749B2 (ja) * 2015-02-23 2017-01-11 本田技研工業株式会社 排気マフラー
CN107849955B (zh) * 2015-06-17 2021-10-26 奥比托澳大利亚有限公司 消音器
DE102017107599A1 (de) * 2017-04-10 2018-10-11 Gardner Denver Deutschland Gmbh Pulsations-Schalldämpfer für Kompressoren
DE102017117607A1 (de) * 2017-08-03 2019-02-07 Faurecia Emissions Control Technologies, Germany Gmbh Kraftfahrzeugschalldämpfer
US10765787B2 (en) * 2017-09-21 2020-09-08 DAO Health Compact sound suppressing muffler for breast vacuum pumps
CN108980049B (zh) * 2018-09-17 2023-09-26 西安交通大学 一种螺杆压缩机气流脉动衰减装置
US11391195B2 (en) * 2019-06-19 2022-07-19 Tenneco Automotive Operating Company Inc. Exhaust system and muffler
JP7382204B2 (ja) * 2019-10-23 2023-11-16 株式会社ブリヂストン 排水管構造用消音器

Family Cites Families (28)

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DE39488C (de) 1900-01-01 J. F. A. Freiherr VON PALSTRING in Kötiz bei Coswig, Sachsen Antriebsvorrichtung für Fuhrwerke und dergl
BE513629A (fr) *
DD39488A (fr) *
FR330668A (fr) * 1903-03-28 1903-08-24 Lorenzo William Crosta Pot d'échappement silencieux
AT54721B (de) 1909-11-23 1912-08-10 Internat Metal Products Compan Verfahren zur Herstellung von schmiedbarem Eisen aus Roheisen beliebiger Herkunft.
US1338520A (en) * 1919-07-03 1920-04-27 George W Moores Muffler
DE647591C (de) * 1935-08-01 1937-07-08 Josef Hawle Schalldaempfer fuer Brennkraftmaschinen
GB593282A (en) * 1944-12-14 1947-10-13 Maxim Silencer Co Improvements in and relating to silencers for the gases of internal combustion engines
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DE1695647A1 (de) 1967-09-01 1971-05-13 Rhein Pharma Arzneimittel Gmbh 3-Pyridyl(4)-indole und Verfahren zu ihrer Herstellung
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Also Published As

Publication number Publication date
JP6039880B2 (ja) 2016-12-07
US8302732B2 (en) 2012-11-06
US20110198150A1 (en) 2011-08-18
DE102010008403A1 (de) 2011-08-18
EP2362076A2 (fr) 2011-08-31
EP2362076A3 (fr) 2012-05-16
CN102162386B (zh) 2015-06-17
CN102162386A (zh) 2011-08-24
JP2011169323A (ja) 2011-09-01

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