DE59400768D1 - Anordnung zur aktiven Schalldämpfung - Google Patents

Anordnung zur aktiven Schalldämpfung

Info

Publication number
DE59400768D1
DE59400768D1 DE59400768T DE59400768T DE59400768D1 DE 59400768 D1 DE59400768 D1 DE 59400768D1 DE 59400768 T DE59400768 T DE 59400768T DE 59400768 T DE59400768 T DE 59400768T DE 59400768 D1 DE59400768 D1 DE 59400768D1
Authority
DE
Germany
Prior art keywords
exhaust gas
pipe
chamber
box
antisound
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
DE59400768T
Other languages
English (en)
Inventor
Stefan Geisenberger
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.)
Harman Audio Electronic Systems GmbH
Original Assignee
Nokia Technology 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
Application filed by Nokia Technology GmbH filed Critical Nokia Technology GmbH
Application granted granted Critical
Publication of DE59400768D1 publication Critical patent/DE59400768D1/de
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
    • F01N1/06—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
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • 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 gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • 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
    • G10K2210/10—Applications
    • G10K2210/101—One dimensional
    • 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
    • G10K2210/10—Applications
    • G10K2210/112—Ducts
    • 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
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • G10K2210/12822—Exhaust pipes or mufflers
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Silicon Polymers (AREA)
DE59400768T 1993-12-10 1994-11-26 Anordnung zur aktiven Schalldämpfung Expired - Lifetime DE59400768D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4342133A DE4342133A1 (de) 1993-12-10 1993-12-10 Anordnung zur aktiven Schalldämpfung

Publications (1)

Publication Number Publication Date
DE59400768D1 true DE59400768D1 (de) 1996-11-07

Family

ID=6504651

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4342133A Withdrawn DE4342133A1 (de) 1993-12-10 1993-12-10 Anordnung zur aktiven Schalldämpfung
DE59400768T Expired - Lifetime DE59400768D1 (de) 1993-12-10 1994-11-26 Anordnung zur aktiven Schalldämpfung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4342133A Withdrawn DE4342133A1 (de) 1993-12-10 1993-12-10 Anordnung zur aktiven Schalldämpfung

Country Status (8)

Country Link
US (1) US5466899A (de)
EP (1) EP0657630B1 (de)
JP (1) JPH07271381A (de)
AT (1) ATE143715T1 (de)
CA (1) CA2136293A1 (de)
DE (2) DE4342133A1 (de)
DK (1) DK0657630T3 (de)
ES (1) ES2095124T3 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677961A (en) * 1995-06-08 1997-10-14 Von Reusner; Johannes Connecting element for speaker elements
EP0755045B1 (de) * 1995-07-20 2002-10-02 Harman Audio Electronic Systems GmbH Anordnung zur Auslöschung von Schallwellen
US5828759A (en) * 1995-11-30 1998-10-27 Siemens Electric Limited System and method for reducing engine noise
US5966452A (en) * 1997-03-07 1999-10-12 American Technology Corporation Sound reduction method and system for jet engines
US6084971A (en) * 1997-06-10 2000-07-04 Siemens Electric Limited Active noise attenuation system
US6072880A (en) * 1998-02-27 2000-06-06 Tenneco Automotive Inc. Modular active silencer with port dish
US20010046302A1 (en) * 2000-04-14 2001-11-29 Daly Paul D. Active noise cancellation optimized air gaps
US20010046300A1 (en) * 2000-04-17 2001-11-29 Mclean Ian R. Offline active control of automotive noise
US20010036279A1 (en) * 2000-05-08 2001-11-01 Daly Paul D. Active noise cancellation system
US20010036282A1 (en) * 2000-05-12 2001-11-01 Roy Haworth Active noise attenuation inlet microphone system
US6557665B2 (en) 2000-06-06 2003-05-06 Siemens Canada Limited Active dipole inlet using drone cone speaker driver
US6996242B2 (en) * 2000-06-06 2006-02-07 Siemens Vdo Automotive Inc. Integrated and active noise control inlet
US20020039422A1 (en) * 2000-09-20 2002-04-04 Daly Paul D. Driving mode for active noise cancellation
US6775384B2 (en) 2000-09-20 2004-08-10 Siemens Vdo Automotive Inc. Environmentally robust noise attenuation system
US6898289B2 (en) 2000-09-20 2005-05-24 Siemens Vdo Automotive Inc. Integrated active noise attenuation system and fluid reservoir
US6702061B2 (en) 2001-03-15 2004-03-09 Siemens Vdo Automotive, Inc. Environmentally protected microphone for an active noise control system
US6684977B2 (en) 2001-09-13 2004-02-03 Siemens Vdo Automotive, Inc. Speaker retention assembly for an active noise control system
WO2003028007A1 (en) * 2001-09-25 2003-04-03 Siemens Vdo Automotive Inc. Modular active noise cancellation air filter speaker and microphone assembly
US20030112981A1 (en) * 2001-12-17 2003-06-19 Siemens Vdo Automotive, Inc. Active noise control with on-line-filtered C modeling
US9038899B2 (en) * 2004-09-30 2015-05-26 The Invention Science Fund I, Llc Obtaining user assistance
DE102006010558A1 (de) * 2006-03-06 2007-09-13 J. Eberspächer GmbH & Co. KG Aktiver Schalldämpfer für eine Abgasanlage
DE102006042224B3 (de) * 2006-09-06 2008-01-17 J. Eberspächer GmbH & Co. KG Aktiver Schalldämpfer für eine Abgasanlage
DE102008018085A1 (de) * 2008-04-09 2009-10-15 J. Eberspächer GmbH & Co. KG Aktiver Schalldämpfer
DE102009032553A1 (de) * 2009-07-10 2011-01-20 J. Eberspächer GmbH & Co. KG Abgasanlage und zugehörige Verbindungsanordnung für einen Aktuator
US9394812B2 (en) * 2014-07-09 2016-07-19 Aai Corporation Attenuating engine noise using a reverse resonator
DE202014008783U1 (de) 2014-11-05 2014-12-12 Gunter Henkel Schlafhaube - Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen
DE102014016397A1 (de) 2014-11-05 2016-05-12 Gunter Henkel Schlafhaube : Vorrichtung zur Reduzierung bzw. Eliminierung von Schnarch- und Schlafgeräuschen
US9459536B1 (en) * 2015-06-30 2016-10-04 Taiwan Semiconductor Manufacturing Company, Ltd. Negative tone developer composition for extreme ultraviolet lithography
DE102017127454A1 (de) * 2017-11-21 2019-05-23 Faurecia Emissions Control Technologies, Germany Gmbh Schallerzeugungsvorrichtung sowie Fahrzeugabgasanlage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU836652A1 (ru) * 1979-07-18 1981-06-07 Научно-Исследовательский Институтстроительной Физики Госстроя Cccp Устройство дл подавлени шума
US4665549A (en) * 1985-12-18 1987-05-12 Nelson Industries Inc. Hybrid active silencer
US5044464A (en) * 1990-01-23 1991-09-03 Nelson Industries, Inc. Active acoustic attenuation mixing chamber
US5272286A (en) * 1990-04-09 1993-12-21 Active Noise And Vibration Technologies, Inc. Single cavity automobile muffler
DE4027511C1 (de) * 1990-08-30 1991-10-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De
GB9118779D0 (en) * 1991-08-29 1991-10-16 Active Noise & Vibration Tech Muffler
JPH05232974A (ja) * 1992-02-24 1993-09-10 Fujitsu Ten Ltd 騒音制御装置
US5336856A (en) * 1992-07-07 1994-08-09 Arvin Industries, Inc. Electronic muffler assembly with exhaust bypass

Also Published As

Publication number Publication date
DK0657630T3 (da) 1997-02-24
EP0657630A1 (de) 1995-06-14
DE4342133A1 (de) 1995-06-14
US5466899A (en) 1995-11-14
ES2095124T3 (es) 1997-02-01
ATE143715T1 (de) 1996-10-15
JPH07271381A (ja) 1995-10-20
EP0657630B1 (de) 1996-10-02
CA2136293A1 (en) 1995-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HARMAN AUDIO ELECTRONIC SYSTEMS GMBH, 94315 STRAUB