GB2253076B - Method and apparatus for attenuating acoustic vibrations in a medium - Google Patents

Method and apparatus for attenuating acoustic vibrations in a medium

Info

Publication number
GB2253076B
GB2253076B GB9103689A GB9103689A GB2253076B GB 2253076 B GB2253076 B GB 2253076B GB 9103689 A GB9103689 A GB 9103689A GB 9103689 A GB9103689 A GB 9103689A GB 2253076 B GB2253076 B GB 2253076B
Authority
GB
United Kingdom
Prior art keywords
medium
acoustic vibrations
attenuating acoustic
attenuating
vibrations
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.)
Revoked
Application number
GB9103689A
Other versions
GB9103689D0 (en
GB2253076A (en
Inventor
Anthony Malcolm Mcdonald
Stephen Mark Hutchins
Ian Stothers
Philip John Crowther
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.)
Lotus Cars Ltd
Original Assignee
Lotus Cars Ltd
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 Lotus Cars Ltd filed Critical Lotus Cars Ltd
Priority to GB9103689A priority Critical patent/GB2253076B/en
Publication of GB9103689D0 publication Critical patent/GB9103689D0/en
Priority to JP4505039A priority patent/JPH06510870A/en
Priority to DE69223238T priority patent/DE69223238T2/en
Priority to PCT/GB1992/000314 priority patent/WO1992015088A1/en
Priority to EP92905463A priority patent/EP0572492B1/en
Publication of GB2253076A publication Critical patent/GB2253076A/en
Application granted granted Critical
Publication of GB2253076B publication Critical patent/GB2253076B/en
Anticipated expiration legal-status Critical
Revoked 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB9103689A 1991-02-21 1991-02-21 Method and apparatus for attenuating acoustic vibrations in a medium Revoked GB2253076B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9103689A GB2253076B (en) 1991-02-21 1991-02-21 Method and apparatus for attenuating acoustic vibrations in a medium
JP4505039A JPH06510870A (en) 1991-02-21 1992-02-21 Method and device for damping acoustic vibrations in a medium
DE69223238T DE69223238T2 (en) 1991-02-21 1992-02-21 Method and device for damping acoustic vibrations in a medium
PCT/GB1992/000314 WO1992015088A1 (en) 1991-02-21 1992-02-21 Method and apparatus for attenuating acoustic vibrations in a medium
EP92905463A EP0572492B1 (en) 1991-02-21 1992-02-21 Method and apparatus for attenuating acoustic vibrations in a medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9103689A GB2253076B (en) 1991-02-21 1991-02-21 Method and apparatus for attenuating acoustic vibrations in a medium

Publications (3)

Publication Number Publication Date
GB9103689D0 GB9103689D0 (en) 1991-04-10
GB2253076A GB2253076A (en) 1992-08-26
GB2253076B true GB2253076B (en) 1994-08-03

Family

ID=10690378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9103689A Revoked GB2253076B (en) 1991-02-21 1991-02-21 Method and apparatus for attenuating acoustic vibrations in a medium

Country Status (5)

Country Link
EP (1) EP0572492B1 (en)
JP (1) JPH06510870A (en)
DE (1) DE69223238T2 (en)
GB (1) GB2253076B (en)
WO (1) WO1992015088A1 (en)

Families Citing this family (33)

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DE4243280C2 (en) * 1992-12-21 1996-03-28 Bayer Ag Device for silencing pipes
DE4402699C2 (en) * 1994-01-29 1996-01-11 Continental Ag Device for reducing tire / road noise
US5710714A (en) * 1995-11-15 1998-01-20 Applied Power Inc. Electronic controller for an adaptively tuned vibration absorber
US5695027A (en) * 1995-11-15 1997-12-09 Applied Power Inc. Adaptively tuned vibration absorber
US5920173A (en) * 1995-11-15 1999-07-06 Applied Power Inc. Feedback enhanced adaptively tuned vibration absorber
JPH09212175A (en) * 1996-01-30 1997-08-15 Ricoh Co Ltd Silencer
US5930371A (en) * 1997-01-07 1999-07-27 Nelson Industries, Inc. Tunable acoustic system
US6295363B1 (en) 1997-03-20 2001-09-25 Digisonix, Inc. Adaptive passive acoustic attenuation system
DE19743482A1 (en) * 1997-10-01 1999-04-08 Mann & Hummel Filter Silencer with a shunt resonator
DE19841975B4 (en) * 1998-09-14 2004-02-12 Continental Aktiengesellschaft Sound absorbing plate
DE19861018C2 (en) * 1998-12-15 2001-06-13 Fraunhofer Ges Forschung Controlled acoustic waveguide for sound absorption
DE10002984C1 (en) 2000-01-24 2001-08-09 Daimler Chrysler Ag Acoustic absorber and method for sound absorption
DE10159487C1 (en) * 2001-12-04 2003-02-20 Eberspaecher J Gmbh & Co Active sound damping device for automobile engine exhaust has counter sound generated by reciprocation of piston at constant ratio to engine revs
EP1476699B1 (en) 2002-01-16 2013-11-13 Alstom Technology Ltd Combustion chamber and damper arrangement for reduction of combustion chamber pulsations in a gas turbine plant
US6998949B2 (en) 2002-05-08 2006-02-14 Koninklijke Philips Electronics N.V. Magnetic resonance imaging (MRI) system comprising acoustic resonators
EP1621042B1 (en) * 2003-04-28 2008-01-16 Oticon A/S Microphone, hearing aid with a microphone and inlet structure for a microphone
US8135140B2 (en) 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
US9020158B2 (en) 2008-11-20 2015-04-28 Harman International Industries, Incorporated Quiet zone control system
US8718289B2 (en) 2009-01-12 2014-05-06 Harman International Industries, Incorporated System for active noise control with parallel adaptive filter configuration
US8189799B2 (en) 2009-04-09 2012-05-29 Harman International Industries, Incorporated System for active noise control based on audio system output
US8199924B2 (en) 2009-04-17 2012-06-12 Harman International Industries, Incorporated System for active noise control with an infinite impulse response filter
US8077873B2 (en) 2009-05-14 2011-12-13 Harman International Industries, Incorporated System for active noise control with adaptive speaker selection
GB201108917D0 (en) * 2011-05-27 2011-07-13 Rolls Royce Plc A Hydraulic damping apparatus
DE102012019318A1 (en) * 2012-10-02 2014-04-03 Mann + Hummel Gmbh Silencer for gas-carrying pipe in internal combustion engine, has primary acoustic portions and secondary acoustic portions which are connected through common connecting elements connected to gas-conducting pipe
DE102015103936A1 (en) * 2015-03-17 2016-09-22 Hochschule für Angewandte Wissenschaften Hamburg Körperschaft des Öffentlichen Rechts Sound insulation device with a membrane and a mass
EP3070710A1 (en) * 2015-03-18 2016-09-21 Plum Sp. z o.o. Method for measuring sound in a waveguide, especially in a ventilation system, and a device for implementing the method
NL2016500A (en) * 2015-05-06 2016-11-10 Asml Netherlands Bv Lithographic apparatus.
JP6527828B2 (en) * 2016-02-08 2019-06-05 飛島建設株式会社 General purpose silencer
CN109654067B (en) * 2017-10-12 2021-02-02 英业达科技有限公司 Mute fan
DE102018103175B3 (en) 2018-02-13 2019-03-21 Dr. Ing. H.C. F. Porsche Aktiengesellschaft rotor assembly
DE102018004486A1 (en) * 2018-06-03 2019-12-05 Gesellschaft für Akustikforschung Dresden mbH Device for damping and / or absorbing sound
US11193693B2 (en) * 2018-09-05 2021-12-07 Denso International America, Inc. Sound suppression chamber for an HVAC air handling assembly
DE102018219729A1 (en) * 2018-11-16 2020-05-20 Robert Bosch Gmbh Device for determining at least one parameter of a fluid medium flowing in a flow tube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281741A (en) * 1979-10-01 1981-08-04 General Motors Corporation Compact exhaust silencer for diesel locomotives
EP0050621A1 (en) * 1980-04-28 1982-05-05 KOOPMANN, Gary H. Noise reduction system
FR2489881A1 (en) * 1980-09-08 1982-03-12 Peugeot INCORPORATED RESONATOR EXHAUST MUFFLER, FOR COMBUSTION ENGINE
NL8602537A (en) * 1986-10-09 1988-05-02 Zwaan Adrianus J SOUNDPROOFING VENTILATION DEVICE, IN PARTICULAR FOR A VENTILATION TRANSIT IN A WALL OR WALL.
DE3729765A1 (en) * 1987-09-05 1989-03-16 Bayerische Motoren Werke Ag Sound absorption system

Also Published As

Publication number Publication date
JPH06510870A (en) 1994-12-01
EP0572492A1 (en) 1993-12-08
GB9103689D0 (en) 1991-04-10
DE69223238D1 (en) 1998-01-02
WO1992015088A1 (en) 1992-09-03
DE69223238T2 (en) 1998-05-28
GB2253076A (en) 1992-08-26
EP0572492B1 (en) 1997-11-19

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977