JPH112113A - 能動式に消音する方法および装置 - Google Patents

能動式に消音する方法および装置

Info

Publication number
JPH112113A
JPH112113A JP9101456A JP10145697A JPH112113A JP H112113 A JPH112113 A JP H112113A JP 9101456 A JP9101456 A JP 9101456A JP 10145697 A JP10145697 A JP 10145697A JP H112113 A JPH112113 A JP H112113A
Authority
JP
Japan
Prior art keywords
volume flow
volume
pipes
silencing
pipe
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.)
Pending
Application number
JP9101456A
Other languages
English (en)
Japanese (ja)
Inventor
Ingo Dr Borchers
インゴ、ボルヒャース
Ludwig Schauwecker
ルートビッヒ、シャウベッカー
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.)
Dornier GmbH
Original Assignee
Dornier 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 Dornier GmbH filed Critical Dornier GmbH
Publication of JPH112113A publication Critical patent/JPH112113A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • 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
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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
    • 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
    • G10K2210/3212—Actuator details, e.g. composition or microstructure
    • 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
    • G10K2210/3212—Actuator details, e.g. composition or microstructure
    • G10K2210/32121—Fluid amplifiers, e.g. modulated gas flow speaker using electrovalves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP9101456A 1996-05-02 1997-04-18 能動式に消音する方法および装置 Pending JPH112113A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19617465A DE19617465C2 (de) 1996-05-02 1996-05-02 Verfahren und Vorrichtung zur aktiven Schallreduzierung
DE19617465.1 1996-05-02

Publications (1)

Publication Number Publication Date
JPH112113A true JPH112113A (ja) 1999-01-06

Family

ID=7793005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9101456A Pending JPH112113A (ja) 1996-05-02 1997-04-18 能動式に消音する方法および装置

Country Status (4)

Country Link
EP (1) EP0805431B1 (de)
JP (1) JPH112113A (de)
DE (2) DE19617465C2 (de)
ES (1) ES2175205T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2293076C (en) * 1999-12-22 2010-03-30 Man-Chun Tse Fan and compressor noise attenuation
DE10049884C1 (de) * 2000-10-10 2002-04-04 Horst Schmitt Druckluft als Schallschutzvorrichtung
WO2016005580A1 (de) 2014-07-11 2016-01-14 Tenneco Gmbh Soundsystem für ein kfz
DE102017203181B4 (de) 2017-02-28 2021-08-26 Audi Ag Klangerzeugungsvorrichtung zur Erzeugung von Abgasanlagensound sowie ein zugehöriges Kraftfahrzeug
DE102017203182B4 (de) 2017-02-28 2021-09-02 Audi Ag Klangerzeugungsvorrichtung zur Erzeugung von Abgasanlagensound sowie ein zugehöriges Kraftfahrzeug
DE102017219573B4 (de) * 2017-11-03 2021-11-11 Cisma Solutions Aps Auspuffblende mit Schallquelle
DE202017007444U1 (de) 2017-11-03 2021-08-10 Cisma Solutions Aps Auspuffblende mit Schallquelle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02136504A (ja) * 1988-11-16 1990-05-25 Aisin Seiki Co Ltd 内燃エンジンの消音装置
GB8928052D0 (en) * 1989-12-12 1990-02-14 Lotus Group Plc Control of pressure vibrations in ducts
DE4341951A1 (de) * 1992-12-17 1994-06-23 Volkswagen Ag Interferenz-Geräuschdämpfer
US5325438A (en) * 1993-02-01 1994-06-28 At&T Bell Laboratories Active noise-cancellation system for automotive mufflers

Also Published As

Publication number Publication date
ES2175205T3 (es) 2002-11-16
DE19617465C2 (de) 1999-05-20
DE59707085D1 (de) 2002-05-29
EP0805431A3 (de) 1999-10-20
EP0805431A2 (de) 1997-11-05
DE19617465A1 (de) 1997-11-13
EP0805431B1 (de) 2002-04-24

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