DE69528002T2 - Perforierte Schalldämpfer - Google Patents

Perforierte Schalldämpfer

Info

Publication number
DE69528002T2
DE69528002T2 DE69528002T DE69528002T DE69528002T2 DE 69528002 T2 DE69528002 T2 DE 69528002T2 DE 69528002 T DE69528002 T DE 69528002T DE 69528002 T DE69528002 T DE 69528002T DE 69528002 T2 DE69528002 T2 DE 69528002T2
Authority
DE
Germany
Prior art keywords
silencers
perforated
perforated silencers
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
DE69528002T
Other languages
English (en)
Other versions
DE69528002D1 (de
Inventor
Leland R Whitney
Thomas J Scanlan
Charles A Marttila
Joseph G Mandell
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69528002D1 publication Critical patent/DE69528002D1/de
Publication of DE69528002T2 publication Critical patent/DE69528002T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Electric Suction Cleaners (AREA)
  • Exhaust Silencers (AREA)
DE69528002T 1994-01-21 1995-01-13 Perforierte Schalldämpfer Expired - Lifetime DE69528002T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/184,646 US5504281A (en) 1994-01-21 1994-01-21 Perforated acoustical attenuators

Publications (2)

Publication Number Publication Date
DE69528002D1 DE69528002D1 (de) 2002-10-10
DE69528002T2 true DE69528002T2 (de) 2003-01-30

Family

ID=22677761

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528002T Expired - Lifetime DE69528002T2 (de) 1994-01-21 1995-01-13 Perforierte Schalldämpfer

Country Status (6)

Country Link
US (1) US5504281A (de)
EP (1) EP0664659B1 (de)
JP (1) JP3640995B2 (de)
CN (1) CN1109196A (de)
CA (1) CA2139288A1 (de)
DE (1) DE69528002T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016174196A1 (fr) * 2015-04-29 2016-11-03 Centre National De La Recherche Scientifique Métamatériau acoustique pour l'isolation et son procédé de fabrication

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US5813180A (en) * 1996-03-28 1998-09-29 Minnesota Mining And Manufacturing Company Privacy enclosure
US6818161B2 (en) * 1997-04-01 2004-11-16 Jsp Corporation Molded body of thermoplastic resin having sound absorption characteristics
US6004817A (en) * 1997-04-04 1999-12-21 3M Innovative Properties Company Method for measuring stress levels in polymeric compositions
US6119808A (en) * 1997-08-20 2000-09-19 Steedman; James B. Transportable acoustic screening chamber for testing sound emitters
US6237302B1 (en) 1998-03-25 2001-05-29 Edge Innovations & Technology, Llc Low sound speed damping materials and methods of use
US6089346A (en) 1999-06-02 2000-07-18 3M Innovative Properties Company Muffler with acoustic barrier material for limited clearance pneumatic device applications
US6202785B1 (en) 1999-06-02 2001-03-20 3M Innovative Properties Company Muffler with acoustic absorption insert for limited clearance pneumatic device applications
JP3474817B2 (ja) * 1999-11-17 2003-12-08 イソライト工業株式会社 セラミックス吸音材
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DE10323527B4 (de) * 2003-05-24 2009-04-16 Danfoss Compressors Gmbh Kältemittelkompressor
FR2888386B1 (fr) * 2005-07-07 2007-09-07 Faurecia Automotive Ind Snc Ensemble a mousse de tortuosite elevee, et application de celle-ci a l'insonorisation d'espaces clos
US7682577B2 (en) 2005-11-07 2010-03-23 Geo2 Technologies, Inc. Catalytic exhaust device for simplified installation or replacement
US7682578B2 (en) 2005-11-07 2010-03-23 Geo2 Technologies, Inc. Device for catalytically reducing exhaust
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JP5056248B2 (ja) * 2007-08-06 2012-10-24 マツダ株式会社 吸音材を備えた吸音構造
US8666085B2 (en) * 2007-10-02 2014-03-04 Phitek Systems Limited Component for noise reducing earphone
US8351630B2 (en) * 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
EP2129114A3 (de) * 2008-05-29 2011-11-02 Phitek Systems Limited Medienerweiterungsmodul
GB0819534D0 (en) * 2008-10-24 2008-12-03 Marine Systems Technology Ltd Noise reduction in ducted air systems
WO2010060241A1 (en) 2008-11-26 2010-06-03 Dow Global Technologies Inc. Acoustic baffle members and methods for applying acoustic baffles in cavities
US20110002474A1 (en) * 2009-01-29 2011-01-06 Graeme Colin Fuller Active Noise Reduction System Control
GB0901982D0 (en) 2009-02-06 2009-03-11 Univ Loughborough Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers
US9607600B2 (en) 2009-02-06 2017-03-28 Sonobex Limited Attenuators, arrangements of attenuators, acoustic barriers and methods for constructing acoustic barriers
US20110003505A1 (en) * 2009-03-06 2011-01-06 Nigel Greig In-flight entertainment system connector
US20110075331A1 (en) * 2009-05-04 2011-03-31 Nigel Greig Media Player Holder
US20110188668A1 (en) * 2009-09-23 2011-08-04 Mark Donaldson Media delivery system
US9818394B2 (en) * 2009-11-30 2017-11-14 Graeme Colin Fuller Realisation of controller transfer function for active noise cancellation
MX2010003431A (es) * 2010-03-26 2011-09-26 Mabe Sa De Cv Estampado de gabinete.
WO2011146429A1 (en) 2010-05-17 2011-11-24 Thales Avionics, Inc. Airline passenger seat modular user interface device
EP2424270B1 (de) * 2010-08-23 2014-05-21 Knowles Electronics Asia PTE. Ltd. Lautsprechersystem mit verbessertem Ton
US9289191B2 (en) 2011-10-12 2016-03-22 Seno Medical Instruments, Inc. System and method for acquiring optoacoustic data and producing parametric maps thereof
EP2471710A1 (de) 2010-11-15 2012-07-04 Nigel Greig Medienverteilungssystem
WO2012165976A1 (en) 2011-06-01 2012-12-06 Phitek Systems Limited In-ear device incorporating active noise reduction
JP5683044B2 (ja) * 2011-09-12 2015-03-11 株式会社巴川製紙所 音響透過性材料の製造方法
US20130338475A1 (en) 2012-06-13 2013-12-19 Seno Medical Instruments, Inc. Optoacoustic imaging system with fiber optic cable
US20130289381A1 (en) 2011-11-02 2013-10-31 Seno Medical Instruments, Inc. Dual modality imaging system for coregistered functional and anatomical mapping
US9730587B2 (en) 2011-11-02 2017-08-15 Seno Medical Instruments, Inc. Diagnostic simulator
US9743839B2 (en) 2011-11-02 2017-08-29 Seno Medical Instruments, Inc. Playback mode in an optoacoustic imaging system
US9445786B2 (en) 2011-11-02 2016-09-20 Seno Medical Instruments, Inc. Interframe energy normalization in an optoacoustic imaging system
US10433732B2 (en) 2011-11-02 2019-10-08 Seno Medical Instruments, Inc. Optoacoustic imaging system having handheld probe utilizing optically reflective material
US11287309B2 (en) 2011-11-02 2022-03-29 Seno Medical Instruments, Inc. Optoacoustic component utilization tracking
US20130116538A1 (en) 2011-11-02 2013-05-09 Seno Medical Instruments, Inc. Optoacoustic imaging systems and methods with enhanced safety
US9814394B2 (en) 2011-11-02 2017-11-14 Seno Medical Instruments, Inc. Noise suppression in an optoacoustic system
US9733119B2 (en) 2011-11-02 2017-08-15 Seno Medical Instruments, Inc. Optoacoustic component utilization tracking
US20140005544A1 (en) 2011-11-02 2014-01-02 Seno Medical Instruments, Inc. System and method for providing selective channel sensitivity in an optoacoustic imaging system
US11191435B2 (en) * 2013-01-22 2021-12-07 Seno Medical Instruments, Inc. Probe with optoacoustic isolator
US9757092B2 (en) 2011-11-02 2017-09-12 Seno Medical Instruments, Inc. Method for dual modality optoacoustic imaging
JP2015509443A (ja) 2012-03-09 2015-03-30 セノ メディカル インストルメンツ，インク． 光音響イメージングシステムにおける統計マッピング
US20150018662A1 (en) * 2012-11-02 2015-01-15 Seno Medical Instruments, Inc. Probe with optoacoustic isolator
BR112015021807A2 (pt) 2013-03-15 2017-07-18 Seno Medical Instr Inc sistema e método de apoio para classificação de vetor de diagnóstico
CA2925586A1 (en) 2013-10-11 2015-04-16 Seno Medical Instruments, Inc. Systems and methods for component separation in medical imaging
WO2015131098A1 (en) 2014-02-27 2015-09-03 Seno Medical Instruments, Inc. Probe adapted to control blood flow through vessels during imaging and method of use of same
WO2016070115A1 (en) 2014-10-30 2016-05-06 Seno Medical Instruments, Inc. Opto-acoustic imaging system with detection of relative orientation of light source and acoustic receiver using acoustic waves
JP6495094B2 (ja) * 2015-05-19 2019-04-03 株式会社神戸製鋼所 多孔板
CN106358132B (zh) * 2016-04-19 2019-09-17 尹东海 一种调音棉的制作工艺
CN106303884A (zh) * 2016-09-22 2017-01-04 珠海市精实测控技术有限公司 基于材料特性层积配合的低频屏蔽箱
EP3311886A1 (de) * 2016-10-20 2018-04-25 Siemens Schweiz AG Schallgedämpfte löschdüsenanordnung mit frequenzselektiver schalldämpfschicht sowie geeignete verwendung
RU171555U1 (ru) * 2016-10-26 2017-06-06 Акционерное общество "Омский научно-исследовательский институт приборостроения" (АО "ОНИИП") Вч аттенюатор
US11320139B2 (en) * 2018-01-02 2022-05-03 Signify Holding B.V. Lighting module, kit and panel
CN108717032A (zh) * 2018-07-19 2018-10-30 吉林大学 一种多孔吸声材料流阻测试装置及测试方法
CN109404089A (zh) * 2018-12-11 2019-03-01 广州威能机电有限公司 多孔排气谐振静音式***及发电机组
CN114730557A (zh) * 2019-11-28 2022-07-08 日立环球生活方案株式会社 消音器以及具备该消音器的家电产品
WO2022013421A1 (en) 2020-07-17 2022-01-20 Recticel Noise barrier and apparatus comprising the noise barrier
CN115352374B (zh) * 2022-10-21 2023-01-17 质子汽车科技有限公司 车辆驾乘室及车辆

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US3898063A (en) * 1973-02-23 1975-08-05 George A Gazan Combination muffler and filter device
US4109983A (en) * 1974-08-22 1978-08-29 Pioneer Electronic Corporation Speaker cabinet
US4435877A (en) * 1982-09-30 1984-03-13 Shop-Vac Corporation Noise reducing means for vacuum cleaner
AT385384B (de) * 1986-07-28 1988-03-25 Stastny & Schroegendorfer Ges Lautsprecherabdeckung
DE68921548T2 (de) * 1988-10-31 1995-10-05 Mitsubishi Electric Corp Poröse Strukture und Verfahren zu ihrer Herstellung.
JPH0370932A (ja) * 1989-08-08 1991-03-26 Mitsubishi Electric Home Appliance Co Ltd 消音装置
FI95747B (fi) * 1991-01-17 1995-11-30 Valmet Paper Machinery Inc Matalien taajuuksien äänenvaimennin paperitehtaiden ilmakanaviin
US5304415A (en) * 1991-04-15 1994-04-19 Matsushita Electric Works, Ltd. Sound absorptive material
WO1993000163A1 (en) * 1991-06-28 1993-01-07 Minnesota Mining And Manufacturing Company Article for separations and purifications and method of controlling porosity therein

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016174196A1 (fr) * 2015-04-29 2016-11-03 Centre National De La Recherche Scientifique Métamatériau acoustique pour l'isolation et son procédé de fabrication
FR3035737A1 (fr) * 2015-04-29 2016-11-04 Centre Nat Rech Scient Metamateriau acoustique pour l'isolation et son procede de fabrication
US10978037B2 (en) 2015-04-29 2021-04-13 Centre National De La Recherche Scientifique Acoustic metamaterial for isolation and method for the production thereof

Also Published As

Publication number Publication date
JPH07302088A (ja) 1995-11-14
EP0664659A2 (de) 1995-07-26
CN1109196A (zh) 1995-09-27
EP0664659B1 (de) 2002-09-04
CA2139288A1 (en) 1995-07-22
EP0664659A3 (de) 1996-01-10
US5504281A (en) 1996-04-02
JP3640995B2 (ja) 2005-04-20
DE69528002D1 (de) 2002-10-10

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Legal Events

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8364 No opposition during term of opposition