EP0714087A3 - - Google Patents

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Publication number
EP0714087A3
EP0714087A3 EP95117301A EP95117301A EP0714087A3 EP 0714087 A3 EP0714087 A3 EP 0714087A3 EP 95117301 A EP95117301 A EP 95117301A EP 95117301 A EP95117301 A EP 95117301A EP 0714087 A3 EP0714087 A3 EP 0714087A3
Authority
EP
European Patent Office
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
EP95117301A
Other versions
EP0714087B1 (en
EP0714087A2 (en
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 Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher 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 J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP0714087A2 publication Critical patent/EP0714087A2/en
Publication of EP0714087A3 publication Critical patent/EP0714087A3/xx
Application granted granted Critical
Publication of EP0714087B1 publication Critical patent/EP0714087B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the 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
    • 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
    • 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

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)
  • Surgical Instruments (AREA)
  • Soil Working Implements (AREA)
EP95117301A 1994-11-26 1995-11-03 Resonator sound attenuator Expired - Lifetime EP0714087B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9419022U DE9419022U1 (en) 1994-11-26 1994-11-26 Resonator silencer
DE9419022U 1994-11-26

Publications (3)

Publication Number Publication Date
EP0714087A2 EP0714087A2 (en) 1996-05-29
EP0714087A3 true EP0714087A3 (en) 1996-06-26
EP0714087B1 EP0714087B1 (en) 2001-09-19

Family

ID=6916677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117301A Expired - Lifetime EP0714087B1 (en) 1994-11-26 1995-11-03 Resonator sound attenuator

Country Status (2)

Country Link
EP (1) EP0714087B1 (en)
DE (2) DE9419022U1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19751940C1 (en) * 1997-11-24 1999-03-25 Mann & Hummel Filter Intake silencer for motor vehicle internal combustion engine
JP3439660B2 (en) * 1998-07-09 2003-08-25 豊田紡織株式会社 Resonator
US6467571B2 (en) 2000-12-11 2002-10-22 Nakagawa Sangyo Co., Ltd. Sound absorbing material, muffler using the sound absorbing material, and method for forming sound absorbing layer thereof
EP1217184B1 (en) * 2000-12-14 2003-06-04 Nakagawa Sangyo Co., Ltd. Sound absorbing material, muffler using the sound absorbing material, and method for forming sound absorbing layer thereof
DE10148413C2 (en) * 2001-09-29 2003-07-31 Eberspaecher J Gmbh & Co Flow-conducting pipe of a silencer
EP1375848B1 (en) * 2002-06-18 2004-12-29 Benteler Automobiltechnik GmbH Device for reducing the noise emissions and method for production thereof
DE10339539A1 (en) * 2003-08-26 2005-03-31 Abb Turbo Systems Ag Resonance silencer for exhaust gas-driven turbocharger of vehicle, includes chamber covering sheet with openings formed as slots along flow direction
SI22014A (en) * 2005-04-22 2006-10-31 Igor Akrapovic Exhaust tube with silencer
DE102006025230A1 (en) * 2006-05-29 2007-12-06 Mann + Hummel Gmbh Air filter housing for a compact air filter element

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052173B (en) * 1953-03-24 1959-03-05 Vladimir Jansa Exhaust system for motorcycle engines
FR1288891A (en) * 1961-02-16 1962-03-30 Tecalemit Silent device and acoustic wave deformator
US4580656A (en) * 1984-04-06 1986-04-08 Sankei Giken Kogyo Kabushiki Kaisha Absorbent retainer for absorbent type muffler
JPS6183020A (en) * 1984-09-28 1986-04-26 Tsuchiya Mfg Co Ltd Manufacture of resonance type muffler of synthetic resin
DE8702911U1 (en) * 1987-02-25 1988-06-23 Zeuna-Stärker GmbH & Co KG, 8900 Augsburg Exhaust silencers for internal combustion engines
US4779703A (en) * 1987-04-06 1988-10-25 Honda Giken Kogyo Kabushiki Kaisha Silencing device for internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052173B (en) * 1953-03-24 1959-03-05 Vladimir Jansa Exhaust system for motorcycle engines
FR1288891A (en) * 1961-02-16 1962-03-30 Tecalemit Silent device and acoustic wave deformator
US4580656A (en) * 1984-04-06 1986-04-08 Sankei Giken Kogyo Kabushiki Kaisha Absorbent retainer for absorbent type muffler
JPS6183020A (en) * 1984-09-28 1986-04-26 Tsuchiya Mfg Co Ltd Manufacture of resonance type muffler of synthetic resin
DE8702911U1 (en) * 1987-02-25 1988-06-23 Zeuna-Stärker GmbH & Co KG, 8900 Augsburg Exhaust silencers for internal combustion engines
US4779703A (en) * 1987-04-06 1988-10-25 Honda Giken Kogyo Kabushiki Kaisha Silencing device for internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 257 (M - 513) 3 September 1986 (1986-09-03) *

Also Published As

Publication number Publication date
DE59509613D1 (en) 2001-10-25
EP0714087B1 (en) 2001-09-19
DE9419022U1 (en) 1995-01-26
EP0714087A2 (en) 1996-05-29

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