AU7572191A - Single cavity automobile muffler - Google Patents

Single cavity automobile muffler

Info

Publication number
AU7572191A
AU7572191A AU75721/91A AU7572191A AU7572191A AU 7572191 A AU7572191 A AU 7572191A AU 75721/91 A AU75721/91 A AU 75721/91A AU 7572191 A AU7572191 A AU 7572191A AU 7572191 A AU7572191 A AU 7572191A
Authority
AU
Australia
Prior art keywords
single cavity
automobile muffler
cavity automobile
muffler
cavity
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.)
Abandoned
Application number
AU75721/91A
Inventor
Dennis Barnes
John J Cain
David Dye
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.)
Active Noise and Vibration Technologies Inc
Original Assignee
Active Noise and Vibration Technologies Inc
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 Active Noise and Vibration Technologies Inc filed Critical Active Noise and Vibration Technologies Inc
Publication of AU7572191A publication Critical patent/AU7572191A/en
Abandoned 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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/20—Silencing apparatus characterised by method of silencing by using movable parts having oscillating or vibrating movement
    • 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
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
    • 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
    • F01N1/22—Silencing apparatus characterised by method of silencing by using movable parts the parts being resilient walls
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3227—Resonators
    • G10K2210/32272—Helmholtz resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AU75721/91A 1990-04-09 1991-02-26 Single cavity automobile muffler Abandoned AU7572191A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50736690A 1990-04-09 1990-04-09
US507366 1990-04-09

Publications (1)

Publication Number Publication Date
AU7572191A true AU7572191A (en) 1991-10-30

Family

ID=24018364

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75721/91A Abandoned AU7572191A (en) 1990-04-09 1991-02-26 Single cavity automobile muffler

Country Status (5)

Country Link
EP (1) EP0542749B1 (en)
AU (1) AU7572191A (en)
CA (1) CA2039745C (en)
DE (1) DE69128352T2 (en)
WO (1) WO1991015666A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0817166B1 (en) * 1992-05-01 2000-08-23 Fujitsu Ten Limited Noise control device
US5325438A (en) * 1993-02-01 1994-06-28 At&T Bell Laboratories Active noise-cancellation system for automotive mufflers
KR960703256A (en) * 1993-07-07 1996-06-19 디테르 카트게·한스-베르네르 세프레르 Active sound damper
IT1267402B1 (en) * 1994-02-22 1997-02-05 Electronic Sound Attenuation S ACTIVE SILENCER FOR EXHAUST GAS.
DE102009045999A1 (en) * 2009-10-26 2011-04-28 J. Eberspächer GmbH & Co. KG Vehicle heating system for use in motor vehicle, comprises burner area for combustion of fuel and combustion air mixture, and exhaust arrangement for guiding burnt fuel and combustion air mixture
DE102013005147A1 (en) 2013-03-26 2014-10-02 Mann + Hummel Gmbh Active muffler device for an internal combustion engine
DE102014001721A1 (en) 2013-03-26 2014-10-02 Mann+Hummel Gmbh Active muffler device for an internal combustion engine
DE102014001786A1 (en) 2013-03-26 2014-10-02 Mann + Hummel Gmbh Active muffler device for an internal combustion engine
FR3005993B1 (en) * 2013-05-23 2015-06-26 Dcns ACTIVE SILENT SYSTEM FOR THE EXHAUST LINE OF A DIESEL ENGINE, IN PARTICULAR A NAVAL PLATFORM
DE102015212041A1 (en) * 2015-06-29 2016-12-29 Mahle International Gmbh Gas-carrying facility

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712412A (en) * 1971-11-18 1973-01-23 Environeering Sound suppressing system
US3936606A (en) * 1971-12-07 1976-02-03 Wanke Ronald L Acoustic abatement method and apparatus
US3789166A (en) * 1971-12-16 1974-01-29 Dyna Magnetic Devices Inc Submersion-safe microphone
US4044203A (en) * 1972-11-24 1977-08-23 National Research Development Corporation Active control of sound waves
FR2385972A2 (en) * 1977-04-01 1978-10-27 Anvar ACTIVE ACOUSTICAL ABSORBERS FOR DUCTS
ZA825676B (en) * 1981-08-11 1983-06-29 Sound Attenuators Ltd Method and apparatus for low frequency active attennuation
US4665549A (en) * 1985-12-18 1987-05-12 Nelson Industries Inc. Hybrid active silencer
GB2204916B (en) * 1987-05-19 1991-10-16 British Gas Plc A silencer
EP0373188B1 (en) * 1988-02-19 1993-12-01 Noise Cancellation Technologies, Inc. Exhaust gas muffler arrangement for combustion engine

Also Published As

Publication number Publication date
EP0542749B1 (en) 1997-12-03
CA2039745C (en) 2001-06-12
EP0542749A1 (en) 1993-05-26
EP0542749A4 (en) 1994-05-25
CA2039745A1 (en) 1991-10-10
DE69128352T2 (en) 1998-06-10
WO1991015666A1 (en) 1991-10-17
DE69128352D1 (en) 1998-01-15

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