EP2195512A4 - Sound-absorbing arrangement - Google Patents
Sound-absorbing arrangement Download PDFInfo
- 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
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)
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)
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)
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)
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 |
-
2007
- 2007-09-25 SE SE0702130A patent/SE531516C2/en unknown
-
2008
- 2008-09-18 EP EP08834479.1A patent/EP2195512B1/en active Active
- 2008-09-18 BR BRPI0816220-4A patent/BRPI0816220A2/en not_active IP Right Cessation
- 2008-09-18 WO PCT/SE2008/051046 patent/WO2009041892A1/en active Application Filing
- 2008-09-18 KR KR1020107009125A patent/KR101648526B1/en active IP Right Grant
- 2008-09-18 CN CN2008801078580A patent/CN101802352B/en not_active Expired - Fee Related
- 2008-09-18 AU AU2008305782A patent/AU2008305782B2/en not_active Ceased
Patent Citations (3)
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)
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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