EP2195512A4 - Sound-absorbing arrangement - Google Patents

Sound-absorbing arrangement Download PDF

Info

Publication number
EP2195512A4
EP2195512A4 EP08834479.1A EP08834479A EP2195512A4 EP 2195512 A4 EP2195512 A4 EP 2195512A4 EP 08834479 A EP08834479 A EP 08834479A EP 2195512 A4 EP2195512 A4 EP 2195512A4
Authority
EP
European Patent Office
Prior art keywords
sound
absorbing arrangement
absorbing
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.)
Granted
Application number
EP08834479.1A
Other languages
German (de)
French (fr)
Other versions
EP2195512A1 (en
EP2195512B1 (en
Inventor
Ragnar Glav
Mikael Karlsson
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.)
Scania CV AB
Original Assignee
Scania CV AB
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 Scania CV AB filed Critical Scania CV AB
Publication of EP2195512A1 publication Critical patent/EP2195512A1/en
Publication of EP2195512A4 publication Critical patent/EP2195512A4/en
Application granted granted Critical
Publication of EP2195512B1 publication Critical patent/EP2195512B1/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
    • 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • 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 gas 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
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP08834479.1A 2007-09-25 2008-09-18 Sound-absorbing arrangement Active EP2195512B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0702130A SE531516C2 (en) 2007-09-25 2007-09-25 Noise-canceling arrangement
PCT/SE2008/051046 WO2009041892A1 (en) 2007-09-25 2008-09-18 Sound-absorbing arrangement

Publications (3)

Publication Number Publication Date
EP2195512A1 EP2195512A1 (en) 2010-06-16
EP2195512A4 true EP2195512A4 (en) 2017-11-29
EP2195512B1 EP2195512B1 (en) 2018-11-28

Family

ID=40511685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08834479.1A Active EP2195512B1 (en) 2007-09-25 2008-09-18 Sound-absorbing arrangement

Country Status (7)

Country Link
EP (1) EP2195512B1 (en)
KR (1) KR101648526B1 (en)
CN (1) CN101802352B (en)
AU (1) AU2008305782B2 (en)
BR (1) BRPI0816220A2 (en)
SE (1) SE531516C2 (en)
WO (1) WO2009041892A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109667A1 (en) * 2012-10-11 2014-04-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Exhaust system for e.g. sports car, has exhaust gas secondary line whose length is adjusted based on engine speed and exhaust gas temperature, such that exhaust noise is produced from two cylinders of internal combustion engine
ES2710337T3 (en) * 2016-05-04 2019-04-24 Sontech Int Ab Sound dampening device for a duct or camera
KR101867573B1 (en) * 2016-05-23 2018-06-15 현대자동차주식회사 Slip-type active noise control muffler and method for controlling the same
US10071664B2 (en) * 2016-10-21 2018-09-11 Ford Global Technologies, Llc System and method for variable sound dampening in an adjustable vehicle seat
CN112102805B (en) * 2020-08-28 2024-05-14 武汉理工大学 Impedance-adjustable composite muffler and noise elimination system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0540891A1 (en) * 1991-11-02 1993-05-12 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Exhaust installation for a motor vehicle reciprocating engine
DE19520157A1 (en) * 1995-06-01 1996-12-05 Wolfgang Lenhardt Motor vehicle exhaust silencer with choke flap
KR20020074965A (en) * 2001-03-23 2002-10-04 기아자동차주식회사 Structure of a silencer type of frequency variability

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4341951A1 (en) * 1992-12-17 1994-06-23 Volkswagen Ag Interference noise damper for exhaust gas system
JPH08189330A (en) * 1995-01-10 1996-07-23 Toyota Motor Corp Muffler for internal combustion engine
JPH0988568A (en) * 1995-09-26 1997-03-31 Toyota Motor Corp Exhaust device for internal combustion engine
DE19743482A1 (en) * 1997-10-01 1999-04-08 Mann & Hummel Filter Silencer with a shunt resonator
KR100369212B1 (en) * 1999-07-07 2003-01-24 한국과학기술연구원 Method and Apparatus for Controlling Exhaust Noise in Internal Combustion Engine and/or Noise in Duct of Air Delivering System
JP2001140627A (en) * 1999-11-17 2001-05-22 Fuji Heavy Ind Ltd Exhaust silencer for automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0540891A1 (en) * 1991-11-02 1993-05-12 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Exhaust installation for a motor vehicle reciprocating engine
DE19520157A1 (en) * 1995-06-01 1996-12-05 Wolfgang Lenhardt Motor vehicle exhaust silencer with choke flap
KR20020074965A (en) * 2001-03-23 2002-10-04 기아자동차주식회사 Structure of a silencer type of frequency variability

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009041892A1 *

Also Published As

Publication number Publication date
AU2008305782B2 (en) 2012-09-06
CN101802352B (en) 2013-03-13
SE531516C2 (en) 2009-05-05
EP2195512A1 (en) 2010-06-16
SE0702130L (en) 2009-03-26
AU2008305782A1 (en) 2009-04-02
EP2195512B1 (en) 2018-11-28
KR20100061568A (en) 2010-06-07
WO2009041892A1 (en) 2009-04-02
KR101648526B1 (en) 2016-08-16
BRPI0816220A2 (en) 2015-06-16
CN101802352A (en) 2010-08-11

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