WO1997043754A1 - Reaktiver schalldämpfer - Google Patents
Reaktiver schalldämpfer Download PDFInfo
- Publication number
- WO1997043754A1 WO1997043754A1 PCT/EP1997/002471 EP9702471W WO9743754A1 WO 1997043754 A1 WO1997043754 A1 WO 1997043754A1 EP 9702471 W EP9702471 W EP 9702471W WO 9743754 A1 WO9743754 A1 WO 9743754A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membrane
- reactive
- sensor
- silencer according
- amplifier
- Prior art date
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
- G10K11/17875—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
- G10K2210/112—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
- G10K2210/30—Means
- G10K2210/301—Computational
- G10K2210/3026—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
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3217—Collocated sensor and cancelling actuator, e.g. "virtual earth" designs
-
- 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
- G10K2210/32271—Active resonators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Duct Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97923077T ATE203849T1 (de) | 1996-05-14 | 1997-05-14 | Reaktiver schalldämpfer |
SI9730209T SI0898774T1 (en) | 1996-05-14 | 1997-05-14 | Reactive sound absorber |
EP97923077A EP0898774B1 (de) | 1996-05-14 | 1997-05-14 | Reaktiver schalldämpfer |
DE59704196T DE59704196D1 (de) | 1996-05-14 | 1997-05-14 | Reaktiver schalldämpfer |
US09/180,899 US6385321B1 (en) | 1996-05-14 | 1997-05-14 | Reactive sound absorber |
DK97923077T DK0898774T3 (da) | 1996-05-14 | 1997-05-14 | Reaktiv lyddæmper |
GR20010401874T GR3037001T3 (en) | 1996-05-14 | 2001-10-24 | Reactive sound absorber |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19619466 | 1996-05-14 | ||
DE19619466.0 | 1996-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997043754A1 true WO1997043754A1 (de) | 1997-11-20 |
Family
ID=7794315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/002471 WO1997043754A1 (de) | 1996-05-14 | 1997-05-14 | Reaktiver schalldämpfer |
Country Status (9)
Country | Link |
---|---|
US (1) | US6385321B1 (de) |
EP (1) | EP0898774B1 (de) |
AT (1) | ATE203849T1 (de) |
DE (1) | DE59704196D1 (de) |
DK (1) | DK0898774T3 (de) |
ES (1) | ES2162292T3 (de) |
GR (1) | GR3037001T3 (de) |
PT (1) | PT898774E (de) |
WO (1) | WO1997043754A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10019543A1 (de) * | 2000-04-20 | 2001-10-31 | Fraunhofer Ges Forschung | Zuluftelement |
US6963647B1 (en) | 1998-12-15 | 2005-11-08 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Controlled acoustic waveguide for soundproofing |
WO2007042223A1 (de) * | 2005-10-10 | 2007-04-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aktiver kanalschalldämpfer |
DE102009041890A1 (de) | 2009-09-18 | 2011-06-01 | Benteler Automobiltechnik Gmbh | Schalldämpfer und Schalldämpferanordnung |
AT510851A4 (de) * | 2011-03-16 | 2012-07-15 | Schertler Sa | Vibrationserfassungseinrichtung für frequenzen im hörbereich |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6778673B1 (en) * | 1998-10-28 | 2004-08-17 | Maximilian Hans Hobelsberger | Tunable active sound absorbers |
GB9920883D0 (en) * | 1999-09-03 | 1999-11-10 | Titon Hardware | Ventilation assemblies |
US6940983B2 (en) * | 2000-05-19 | 2005-09-06 | Siemens Vdo Automotive Inc. | Resonator for active noise attenuation system |
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 |
US7789194B2 (en) * | 2007-04-20 | 2010-09-07 | Cardinal Health 212, Inc. | Acoustic attenuation chamber |
DE102007032600A1 (de) * | 2007-07-11 | 2009-01-15 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Vorrichtung und Verfahren zur Verbesserung der Dämpfung von akustischen Wellen |
WO2014045123A2 (en) * | 2012-09-24 | 2014-03-27 | Actiwave Ab | Control and protection of loudspeakers |
DE102013210709A1 (de) | 2013-06-07 | 2014-12-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schallstrahler-Anordnung für aktive Schalldämpfer |
FR3043177B1 (fr) | 2015-11-02 | 2019-08-23 | Technofirst | Installation pour la ventilation naturelle d'un local |
FR3043179A1 (fr) | 2015-11-02 | 2017-05-05 | Technofirst | Installation pour la ventilation naturelle d'un local presentant un passage de ventilation associe a un amortisseur de bruit |
FR3043178B1 (fr) | 2015-11-02 | 2019-08-23 | Technofirst | Installation pour la ventilation naturelle d'un local pourvue d'un amortisseur de bruit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2632474A1 (fr) * | 1988-06-01 | 1989-12-08 | Saint Louis Inst | Dispositif d'attenuation active de vibrations et notamment de bruit sans retard acoustique |
DE4027511C1 (de) * | 1990-08-30 | 1991-10-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De | |
US5233137A (en) * | 1990-04-25 | 1993-08-03 | Ford Motor Company | Protective anc loudspeaker membrane |
DE4419933A1 (de) * | 1994-06-08 | 1995-12-14 | Gerhard Dr Lindner | Vorrichtung und Verfahren zur Schallerzeugung zum Schallnachweis und zur aktiven Schalldämpfung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6160892A (en) * | 1993-12-30 | 2000-12-12 | Bbn Corporation | Active muffler |
US6078671A (en) * | 1996-09-05 | 2000-06-20 | Ebara Corporation | Silencer for attenuating a sound or noise transmitted through an air passage of a duct |
-
1997
- 1997-05-14 PT PT97923077T patent/PT898774E/pt unknown
- 1997-05-14 EP EP97923077A patent/EP0898774B1/de not_active Expired - Lifetime
- 1997-05-14 DE DE59704196T patent/DE59704196D1/de not_active Expired - Lifetime
- 1997-05-14 WO PCT/EP1997/002471 patent/WO1997043754A1/de active IP Right Grant
- 1997-05-14 AT AT97923077T patent/ATE203849T1/de active
- 1997-05-14 US US09/180,899 patent/US6385321B1/en not_active Expired - Fee Related
- 1997-05-14 ES ES97923077T patent/ES2162292T3/es not_active Expired - Lifetime
- 1997-05-14 DK DK97923077T patent/DK0898774T3/da active
-
2001
- 2001-10-24 GR GR20010401874T patent/GR3037001T3/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2632474A1 (fr) * | 1988-06-01 | 1989-12-08 | Saint Louis Inst | Dispositif d'attenuation active de vibrations et notamment de bruit sans retard acoustique |
US5233137A (en) * | 1990-04-25 | 1993-08-03 | Ford Motor Company | Protective anc loudspeaker membrane |
DE4027511C1 (de) * | 1990-08-30 | 1991-10-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen, De | |
DE4419933A1 (de) * | 1994-06-08 | 1995-12-14 | Gerhard Dr Lindner | Vorrichtung und Verfahren zur Schallerzeugung zum Schallnachweis und zur aktiven Schalldämpfung |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6963647B1 (en) | 1998-12-15 | 2005-11-08 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Controlled acoustic waveguide for soundproofing |
DE10019543A1 (de) * | 2000-04-20 | 2001-10-31 | Fraunhofer Ges Forschung | Zuluftelement |
DE10019543C2 (de) * | 2000-04-20 | 2002-03-07 | Fraunhofer Ges Forschung | Zuluftelement |
WO2007042223A1 (de) * | 2005-10-10 | 2007-04-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aktiver kanalschalldämpfer |
DE102009041890A1 (de) | 2009-09-18 | 2011-06-01 | Benteler Automobiltechnik Gmbh | Schalldämpfer und Schalldämpferanordnung |
AT510851A4 (de) * | 2011-03-16 | 2012-07-15 | Schertler Sa | Vibrationserfassungseinrichtung für frequenzen im hörbereich |
AT510851B1 (de) * | 2011-03-16 | 2012-07-15 | Schertler Sa | Vibrationserfassungseinrichtung für frequenzen im hörbereich |
Also Published As
Publication number | Publication date |
---|---|
US6385321B1 (en) | 2002-05-07 |
PT898774E (pt) | 2002-01-30 |
ATE203849T1 (de) | 2001-08-15 |
ES2162292T3 (es) | 2001-12-16 |
EP0898774B1 (de) | 2001-08-01 |
DE59704196D1 (de) | 2001-09-06 |
EP0898774A1 (de) | 1999-03-03 |
DK0898774T3 (da) | 2001-10-22 |
GR3037001T3 (en) | 2002-01-31 |
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