EP2955344A3 - Schalldämpfer - Google Patents

Schalldämpfer Download PDF

Info

Publication number
EP2955344A3
EP2955344A3 EP15169284.5A EP15169284A EP2955344A3 EP 2955344 A3 EP2955344 A3 EP 2955344A3 EP 15169284 A EP15169284 A EP 15169284A EP 2955344 A3 EP2955344 A3 EP 2955344A3
Authority
EP
European Patent Office
Prior art keywords
volume
tube
outlet
resonator
fluid communication
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.)
Granted
Application number
EP15169284.5A
Other languages
English (en)
French (fr)
Other versions
EP2955344B1 (de
EP2955344A2 (de
Inventor
Micha HÖRR
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 EP2955344A2 publication Critical patent/EP2955344A2/de
Publication of EP2955344A3 publication Critical patent/EP2955344A3/de
Application granted granted Critical
Publication of EP2955344B1 publication Critical patent/EP2955344B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing the flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
    • 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
    • F01N1/023—Helmholtz resonators
    • 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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/161—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers
    • F01N1/163—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers by means of valves
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/36—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an exhaust flap
    • 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
    • F01N2470/02—Tubes being perforated
    • 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
    • F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length
    • 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
    • F01N2470/18—Structure or shape of exhaust gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • 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
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
    • 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

Landscapes

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

Abstract

Ein Schalldämpfer (1) für eine Abgasanlage eines verbrennungsmotorisch betriebenen Fahrzeugs weist ein gasdichtes Gehäuse (2), wenigstens eine in dem Gehäuse (2) angeordnete Trennwand (31), wenigstens ein Einlassrohr (51), wenigstens ein erstes Auslassrohr (61), ein schaltbares zweites Auslassrohr (7) und ein Resonatorrohr (8) auf. Die wenigstens eine Trennwand (31) unterteilt das Innere des Gehäuses in ein erstes Volumen (41) und ein von dem ersten Volumen (41) getrenntes zweites Volumen (42). Das wenigstens eine Einlassrohr (51) und das wenigstens eine erste Auslassrohr (61) und das wenigstens eine zweite Auslassrohr (7) und das Resonatorrohr (8) stehen mit dem ersten Volumen (41) in Fluidverbindung. Das Resonatorrohr (8) steht zudem mit dem zweiten Volumen (42) in Fluidverbindung, und stellt so eine Fluidverbindung zwischen dem ersten Volumen (41) und dem zweiten Volumen (42) bereit. Das zweite Auslassrohr (7) durchsetzt das zweite Volumen (42) und ist zumindest in einem Abschnitt, in welchem es die wenigstens eine Trennwand (31) durchsetzt, im Inneren des Resonatorrohres (8) angeordnet, welches das zweite Auslassrohr (7) in diesem Abschnitt vollständig in Umfangsrichtung umgibt.
EP15169284.5A 2014-06-04 2015-05-26 Schalldämpfer Active EP2955344B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014107907.8A DE102014107907A1 (de) 2014-06-04 2014-06-04 Schalldämpfer

Publications (3)

Publication Number Publication Date
EP2955344A2 EP2955344A2 (de) 2015-12-16
EP2955344A3 true EP2955344A3 (de) 2016-02-17
EP2955344B1 EP2955344B1 (de) 2016-12-07

Family

ID=53264545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15169284.5A Active EP2955344B1 (de) 2014-06-04 2015-05-26 Schalldämpfer

Country Status (5)

Country Link
US (2) US9429052B2 (de)
EP (1) EP2955344B1 (de)
JP (1) JP6063002B2 (de)
CN (1) CN105156176B (de)
DE (1) DE102014107907A1 (de)

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DE102014103054A1 (de) 2014-03-07 2015-09-10 Tenneco Gmbh Abgasschalldämpfer
DE102014107907A1 (de) * 2014-06-04 2015-12-17 Eberspächer Exhaust Technology GmbH & Co. KG Schalldämpfer
DE102015222088B4 (de) * 2015-11-10 2025-09-04 Purem GmbH Schalldämpfer für eine Abgasanlage
CN105569775B (zh) * 2016-03-07 2018-06-19 广州汽车集团股份有限公司 排气消声器及具有其的车辆
US10180093B2 (en) * 2016-04-13 2019-01-15 GM Global Technology Operations LLC Selectively tunable exhaust noise attenuation device
DE112017007325T5 (de) * 2017-03-27 2019-12-05 Honda Motor Co., Ltd. Abgasauspuff
US11365658B2 (en) 2017-10-05 2022-06-21 Tenneco Automotive Operating Company Inc. Acoustically tuned muffler
DE102018124198A1 (de) 2017-10-05 2019-04-11 Tenneco Automotive Operating Company Inc. Akustisch abgestimmter Schalldämpfer
US11199116B2 (en) 2017-12-13 2021-12-14 Tenneco Automotive Operating Company Inc. Acoustically tuned muffler
CN110030060B (zh) * 2017-12-27 2021-06-01 本田技研工业株式会社 用于车辆的排气消声器结构
US10900396B2 (en) * 2018-01-15 2021-01-26 Ford Global Technologies, Llc Exhaust orifice tube for vehicle mufflers
EP3514342B1 (de) * 2018-01-22 2020-07-22 Eberspächer Exhaust Technology GmbH & Co. KG Schalldämpfer
DE102018104239A1 (de) * 2018-01-22 2019-07-25 Eberspächer Exhaust Technology GmbH & Co. KG Schalldämpfer
US11293664B2 (en) * 2018-03-06 2022-04-05 Gulfstream Aerospace Corporation Dual tube silencer for separate gas flows
EP3557015B1 (de) * 2018-04-20 2020-11-04 Volvo Car Corporation Schalldämpfer mit einem helmholtz resonator and fahrzeug mit einem solchen schalldämpfer
DE102018112963A1 (de) 2018-05-30 2019-12-05 Faurecia Emissions Control Technologies, Germany Gmbh Schalldämpfer für eine Abgasanlage einer Brennkraftmaschine
US11268430B2 (en) 2019-01-17 2022-03-08 Tenneco Automotive Operating Company Inc. Diffusion surface alloyed metal exhaust component with welded edges
US11268429B2 (en) 2019-01-17 2022-03-08 Tenneco Automotive Operating Company Inc. Diffusion surface alloyed metal exhaust component with inwardly turned edges
JP6936262B2 (ja) * 2019-01-28 2021-09-15 フタバ産業株式会社 消音器
US11391195B2 (en) 2019-06-19 2022-07-19 Tenneco Automotive Operating Company Inc. Exhaust system and muffler
US11441456B2 (en) * 2019-07-01 2022-09-13 Toyota Motor North America, Inc. Tuning a sound profile of a muffler
US11421569B2 (en) 2019-10-18 2022-08-23 Tenneco Automotive Operating Company Inc. Muffler
US12071874B2 (en) * 2020-01-24 2024-08-27 K&N Engineering, Inc. Sound attenuating engine exhaust system
US10975743B1 (en) 2020-03-13 2021-04-13 Tenneco Automotive Operating Company Inc. Vehicle exhaust component
CN112523838B (zh) * 2020-12-01 2022-08-05 潍柴动力股份有限公司 车辆排气降噪方法、装置、后消声装置及消声器
US11802499B2 (en) * 2021-11-23 2023-10-31 Tenneco Automotive Operating Company Inc. Exhaust system tuner tube to reduce standing wave

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JPH0213124U (de) * 1988-07-04 1990-01-26
EP1760279B1 (de) * 2005-09-01 2010-10-13 J. Eberspächer GmbH & Co. KG Schalldämpfer für eine Abgasanlage

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Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS54143941U (de) * 1978-03-30 1979-10-05
JPH0213124U (de) * 1988-07-04 1990-01-26
EP1760279B1 (de) * 2005-09-01 2010-10-13 J. Eberspächer GmbH & Co. KG Schalldämpfer für eine Abgasanlage

Also Published As

Publication number Publication date
US20160333756A1 (en) 2016-11-17
CN105156176A (zh) 2015-12-16
CN105156176B (zh) 2018-02-23
DE102014107907A1 (de) 2015-12-17
EP2955344B1 (de) 2016-12-07
US9429052B2 (en) 2016-08-30
US20150354421A1 (en) 2015-12-10
JP6063002B2 (ja) 2017-01-18
EP2955344A2 (de) 2015-12-16
US9638077B2 (en) 2017-05-02
JP2015232327A (ja) 2015-12-24

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