EP3734033B8 - Exhaust silencer for an exhaust gas system of a combustion engine - Google Patents

Exhaust silencer for an exhaust gas system of a combustion engine Download PDF

Info

Publication number
EP3734033B8
EP3734033B8 EP20164452.3A EP20164452A EP3734033B8 EP 3734033 B8 EP3734033 B8 EP 3734033B8 EP 20164452 A EP20164452 A EP 20164452A EP 3734033 B8 EP3734033 B8 EP 3734033B8
Authority
EP
European Patent Office
Prior art keywords
exhaust
combustion engine
gas system
exhaust gas
silencer
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
EP20164452.3A
Other languages
German (de)
French (fr)
Other versions
EP3734033B1 (en
EP3734033A1 (en
Inventor
Nicolas Mettenleiter
Thomas Uhlemann
Frank Berkemer
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
Purem 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 Purem GmbH filed Critical Purem GmbH
Publication of EP3734033A1 publication Critical patent/EP3734033A1/en
Application granted granted Critical
Publication of EP3734033B1 publication Critical patent/EP3734033B1/en
Publication of EP3734033B8 publication Critical patent/EP3734033B8/en
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
    • F01N1/02—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
    • 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
    • F01N13/007—Apparatus used as intake or exhaust silencer
    • 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
    • F01N2470/00—Structure or shape of 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/02—Two or more expansion chambers in series connected by means of tubes
    • F01N2490/04—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet only in one 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/10—Two or more expansion chambers in parallel
    • 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
    • F01N2490/14—Dead or resonance chambers connected to gas flow tube by relatively short side-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
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
EP20164452.3A 2019-05-02 2020-03-20 Exhaust silencer for an exhaust gas system of a combustion engine Active EP3734033B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019111270.2A DE102019111270A1 (en) 2019-05-02 2019-05-02 Exhaust silencer for an exhaust system of an internal combustion engine

Publications (3)

Publication Number Publication Date
EP3734033A1 EP3734033A1 (en) 2020-11-04
EP3734033B1 EP3734033B1 (en) 2021-07-21
EP3734033B8 true EP3734033B8 (en) 2021-08-25

Family

ID=69941191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20164452.3A Active EP3734033B8 (en) 2019-05-02 2020-03-20 Exhaust silencer for an exhaust gas system of a combustion engine

Country Status (4)

Country Link
US (1) US11643953B2 (en)
EP (1) EP3734033B8 (en)
CN (1) CN111878192B (en)
DE (1) DE102019111270A1 (en)

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434565A (en) * 1967-12-21 1969-03-25 Walker Mfg Co Silencer with angled tuning tube leading to helmholtz resonator
GB1443652A (en) * 1973-05-07 1976-07-21 Nissan Motor Combination exhaust-gas cleaner and muffler for an automobile engine
US4111279A (en) * 1976-07-26 1978-09-05 Tenneco Inc. Louver flow muffler
US4359135A (en) * 1979-08-31 1982-11-16 Donaldson Company, Inc. Muffler assembly
JPS60167126U (en) * 1984-04-13 1985-11-06 日産自動車株式会社 Automotive engine exhaust system
JPH0745806B2 (en) * 1986-11-21 1995-05-17 カルソニック株式会社 Silencer
JP3344239B2 (en) * 1995-12-26 2002-11-11 日産自動車株式会社 Automotive exhaust silencer
JP3568005B2 (en) * 1996-03-15 2004-09-22 ヤンマー株式会社 Exhaust silencer
JP3424471B2 (en) * 1996-05-16 2003-07-07 日産自動車株式会社 Automotive exhaust silencer
JPH10299473A (en) * 1997-04-22 1998-11-10 Calsonic Corp Control type muffler
KR100311132B1 (en) * 1999-03-12 2001-11-02 이계안 Resonator for internal combustion engine
JP2005240633A (en) * 2004-02-25 2005-09-08 Suzuki Motor Corp Muffler structure
JP4324142B2 (en) * 2005-08-29 2009-09-02 株式会社汎建製作所 Scarf
DE102005054002B4 (en) * 2005-11-10 2021-08-12 Purem GmbH silencer
US7798286B2 (en) * 2007-07-10 2010-09-21 Tmg Performance Products, Llc Exhaust muffler having a horizontally extending sound attenuation chamber
KR100957147B1 (en) * 2007-12-07 2010-05-11 현대자동차주식회사 Muffler of vehicle and exhaust apparatus using the same
KR100962791B1 (en) * 2008-07-08 2010-06-09 현대자동차주식회사 a muffler for a vehicle
KR101526594B1 (en) * 2009-10-07 2015-06-08 현대자동차주식회사 Muffler in vehicle
CN102278171B (en) * 2010-06-09 2012-12-19 上海天纳克排气系统有限公司 Helmholtz resonator with variable tuning pipe
DE102010042679A1 (en) * 2010-10-20 2012-04-26 J. Eberspächer GmbH & Co. KG silencer
KR101211301B1 (en) * 2011-01-13 2012-12-11 엘에스엠트론 주식회사 Resonator
US8424636B2 (en) * 2011-04-29 2013-04-23 E.I. Du Pont De Nemours And Company Muffler assembly and process of manufacture
US20120273301A1 (en) * 2011-04-29 2012-11-01 E. I. Du Pont De Nemours And Company Muffler assembly with mounting adapter(s) and process of manufacture
CN102536386A (en) * 2011-12-29 2012-07-04 湛江市华夏消声器有限公司 Structurally modified automobile exhaust muffler assembly
KR101262612B1 (en) * 2012-02-16 2013-05-08 현대자동차주식회사 Horizontally installed muffer having sporty tone
KR101316133B1 (en) * 2012-08-10 2013-10-08 현대자동차주식회사 Muffler for vehicle
AT13947U1 (en) * 2013-01-16 2015-01-15 Henn Gmbh & Co Kg Silencer and process for its production
DE102014217058A1 (en) * 2014-08-27 2016-03-03 Eberspächer Exhaust Technology GmbH & Co. KG silencer
US10781732B2 (en) * 2015-05-25 2020-09-22 Wärtsilä Finland Oy Acoustic attenuator for damping pressure vibrations in an exhaust system of an engine, an acoustic attenuation system using the attenuators, and method of damping pressure vibrations in an exhaust system of an engine
DE102015108495A1 (en) * 2015-05-29 2016-12-01 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust silencer for transverse installation in a vehicle
DE102015118573A1 (en) * 2015-10-30 2017-05-04 Eberspächer Exhaust Technology GmbH & Co. KG Silencer for an exhaust system of an internal combustion engine
US10196947B2 (en) * 2016-02-02 2019-02-05 Kohler Co. Muffler
WO2017144266A1 (en) 2016-02-26 2017-08-31 Tenneco Gmbh Exhaust muffler element and exhaust muffler
US9976460B2 (en) * 2016-03-24 2018-05-22 Caterpillar Inc. Exhaust after-treatment assembly for engine system
DE102016109388A1 (en) * 2016-05-23 2017-11-23 Eberspächer Exhaust Technology GmbH & Co. KG Silencer for an exhaust system of an internal combustion engine, in particular for motor vehicles with hybrid drive
US11199116B2 (en) * 2017-12-13 2021-12-14 Tenneco Automotive Operating Company Inc. Acoustically tuned muffler

Also Published As

Publication number Publication date
CN111878192A (en) 2020-11-03
US20200347761A1 (en) 2020-11-05
CN111878192B (en) 2022-05-31
DE102019111270A1 (en) 2020-11-05
EP3734033B1 (en) 2021-07-21
EP3734033A1 (en) 2020-11-04
US11643953B2 (en) 2023-05-09

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