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EP1507071B8 - Exhaust silencer - Google Patents

Exhaust silencer Download PDF

Info

Publication number
EP1507071B8
EP1507071B8 EP04019054.8A EP04019054A EP1507071B8 EP 1507071 B8 EP1507071 B8 EP 1507071B8 EP 04019054 A EP04019054 A EP 04019054A EP 1507071 B8 EP1507071 B8 EP 1507071B8
Authority
EP
European Patent Office
Prior art keywords
exhaust silencer
silencer
exhaust
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.)
Expired - Lifetime
Application number
EP04019054.8A
Other languages
German (de)
French (fr)
Other versions
EP1507071B2 (en
EP1507071B1 (en
EP1507071A1 (en
Inventor
Udo Fechtner
Helmut Venghaus
Klaus Spindler
Bernhard Bachner
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.)
Faurecia Emissions Control Technologies Germany GmbH
Original Assignee
Faurecia Emissions Control Technologies Germany 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33566035&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1507071(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE2003137111 external-priority patent/DE10337111A1/en
Priority claimed from DE2003137110 external-priority patent/DE10337110A1/en
Application filed by Faurecia Emissions Control Technologies Germany GmbH filed Critical Faurecia Emissions Control Technologies Germany GmbH
Priority to EP14190957.2A priority Critical patent/EP2851526B1/en
Publication of EP1507071A1 publication Critical patent/EP1507071A1/en
Publication of EP1507071B1 publication Critical patent/EP1507071B1/en
Application granted granted Critical
Publication of EP1507071B8 publication Critical patent/EP1507071B8/en
Publication of EP1507071B2 publication Critical patent/EP1507071B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid 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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with exhaust gas flow passages
    • 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
    • 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
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling by passing the exhaust gases through porous members
    • 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 exhaust gases or successively throttling exhaust 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
    • 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
    • F01N2470/02—Tubes being perforated
    • F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
EP04019054.8A 2003-08-11 2004-08-11 Exhaust silencer Expired - Lifetime EP1507071B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14190957.2A EP2851526B1 (en) 2003-08-11 2004-08-11 Exhaust Silencer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2003137111 DE10337111A1 (en) 2003-08-11 2003-08-11 Internal combustion engine silencer for use on road vehicle has straight-through pipe with perforations surrounded by outer housing with perforated tubes acting as damping chambers
DE2003137110 DE10337110A1 (en) 2003-08-11 2003-08-11 Internal combustion engine silencer for use on road vehicle has straight-through pipe with perforations surrounded by outer housing with perforated tubes acting as damping chambers
DE10337111 2003-08-11
DE10337110 2003-08-11

Related Child Applications (4)

Application Number Title Priority Date Filing Date
EP08000648A Division-Into EP1953354A1 (en) 2003-08-11 2004-08-11 Exhaust silencer
EP08000648A Division EP1953354A1 (en) 2003-08-11 2004-08-11 Exhaust silencer
EP14190957.2A Division-Into EP2851526B1 (en) 2003-08-11 2004-08-11 Exhaust Silencer
EP14190957.2A Division EP2851526B1 (en) 2003-08-11 2004-08-11 Exhaust Silencer

Publications (4)

Publication Number Publication Date
EP1507071A1 EP1507071A1 (en) 2005-02-16
EP1507071B1 EP1507071B1 (en) 2016-07-13
EP1507071B8 true EP1507071B8 (en) 2016-09-21
EP1507071B2 EP1507071B2 (en) 2019-10-16

Family

ID=33566035

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14190957.2A Expired - Lifetime EP2851526B1 (en) 2003-08-11 2004-08-11 Exhaust Silencer
EP04019054.8A Expired - Lifetime EP1507071B2 (en) 2003-08-11 2004-08-11 Exhaust silencer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP14190957.2A Expired - Lifetime EP2851526B1 (en) 2003-08-11 2004-08-11 Exhaust Silencer

Country Status (1)

Country Link
EP (2) EP2851526B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054397C5 (en) * 2005-11-15 2010-02-11 Westa-Holding Gmbh & Co. Kg Pipe silencers with micro-openings
DE102006020155A1 (en) * 2005-12-15 2007-06-21 Friedrich Boysen Gmbh & Co. Kg Exhaust system for internal combustion engines
DE102010061994A1 (en) * 2010-11-25 2012-05-31 Gardner Denver Deutschland Gmbh Blower assembly
KR101823215B1 (en) 2013-02-12 2018-03-08 포레시아 이미션스 컨트롤 테크놀로지스, 유에스에이, 엘엘씨 Vehicle exhaust system with resonance damping
JP6625118B2 (en) * 2014-09-09 2019-12-25 スリーエム イノベイティブ プロパティズ カンパニー Acoustic device
CN106368863A (en) 2015-07-23 2017-02-01 曼胡默尔有限责任公司 Silencer and air inlet system comprising silencer
US11402123B2 (en) * 2017-06-28 2022-08-02 3M Innovative Properties Company Microperforated conduit
CN110847980A (en) * 2019-11-19 2020-02-28 上海钟音环保设备有限公司 Pipeline multilayer micro-perforated plate silencer and processing method thereof
US12326310B2 (en) * 2021-06-04 2025-06-10 Daren BERG Firearm noise suppressor
US12492654B2 (en) * 2022-03-04 2025-12-09 Acs Industries, Inc. Sound absorbing element with low profile micro-louver slits and muffler assembly using the same

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1229434A (en) 1916-04-14 1917-06-12 James Flockhart Silencer.
DE1031055B (en) 1955-09-06 1958-05-29 Eberspaecher J Container with sound absorption filling and guide channel for pulsating gas flow, in particular sound absorbers for internal combustion engines
US3113635A (en) 1959-03-31 1963-12-10 Bolt Beranek & Newman Apparatus for silencing vibrational energy
US3734234A (en) 1971-11-08 1973-05-22 Lockheed Aircraft Corp Sound absorption structure
US4132286A (en) 1976-08-31 1979-01-02 Nihon Radiator Co., Ltd. Muffler
IT7853327V0 (en) 1978-05-17 1978-05-17 Fiat Spa EXHAUST SILENCER FOR AGRICULTURAL TRACTORS
US4267899A (en) * 1979-08-31 1981-05-19 Donaldson Company, Inc. Muffler assembly
US5477014A (en) 1989-07-28 1995-12-19 Uop Muffler device for internal combustion engines
CN2096010U (en) 1991-08-07 1992-02-12 成都钢铁厂 Micro vacuum silencer for boiler waste
CN2108179U (en) 1991-12-08 1992-06-24 天津市拖拉机配件厂 Exhaust silencer for ic engine
WO1994024382A1 (en) * 1993-04-20 1994-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. False ceiling
DE9400428U1 (en) 1994-01-14 1994-04-07 Heinrich Gillet Gmbh & Co Kg, 67480 Edenkoben Device for reducing resonance effects in pipes
SE506188C2 (en) 1996-01-25 1997-11-17 Dale Edward Knipstein Sound absorbing element and method for making this element and use of the element
EP1403476B1 (en) 1996-09-30 2010-06-16 Silentor Holding A/S Gas flow silencer
CN2299155Y (en) 1996-10-30 1998-12-02 李戈夫 Shunting impedance step-down silencer
DE29710491U1 (en) * 1997-02-14 1998-03-12 Westa-Holding GmbH & Co. KG, 33334 Gütersloh Silencer
DE19730355C1 (en) 1997-07-15 1999-03-18 Fraunhofer Ges Forschung Noise absorber for air duct in building glazing
DE19750102A1 (en) 1997-11-12 1999-06-02 Stankiewicz Gmbh Gas-flowed line with sound absorption effect
DE19802624A1 (en) 1998-01-24 1999-07-29 Eberspaecher J Gmbh & Co Exhaust silencer for internal combustion engines
DE10022902A1 (en) * 1999-08-11 2001-03-08 Hp Chem Pelzer Res & Dev Ltd Component with high absorptive effect over a wide frequency range
GB2383091A (en) 2000-08-18 2003-06-18 Jefferson Liu Engine silencer for controlling back pressure and gas leakage
SE523018C2 (en) * 2001-02-09 2004-03-23 Enklaven Ab Muffler and use of said muffler in an exhaust system for an internal combustion engine
ATE333134T1 (en) * 2001-04-27 2006-08-15 Fraunhofer Ges Forschung SILENCER
DE20120470U1 (en) 2001-12-18 2003-04-30 Friedrich Boysen GmbH & Co. KG, 72213 Altensteig Muffler means
DE10303947A1 (en) 2003-01-31 2004-08-19 J. Eberspächer GmbH & Co. KG Muffler for a heater, especially a vehicle heater

Also Published As

Publication number Publication date
EP1507071B2 (en) 2019-10-16
EP2851526A1 (en) 2015-03-25
EP1507071B1 (en) 2016-07-13
EP1507071A1 (en) 2005-02-16
EP2851526B1 (en) 2018-05-23

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