DK142710B - Lydabsorberende struktur. - Google Patents

Lydabsorberende struktur. Download PDF

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Publication number
DK142710B
DK142710B DK345278AA DK345278A DK142710B DK 142710 B DK142710 B DK 142710B DK 345278A A DK345278A A DK 345278AA DK 345278 A DK345278 A DK 345278A DK 142710 B DK142710 B DK 142710B
Authority
DK
Denmark
Prior art keywords
rib
absorbing structure
cavity
sound absorbing
sound
Prior art date
Application number
DK345278AA
Other languages
Danish (da)
English (en)
Other versions
DK345278A (ko
DK142710C (ko
Inventor
Jens Wested
Original Assignee
Elektronikcentralen
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
Priority claimed from DK498477A external-priority patent/DK140951B/da
Application filed by Elektronikcentralen filed Critical Elektronikcentralen
Priority to DK345278AA priority Critical patent/DK142710B/da
Priority to US05/956,274 priority patent/US4244439A/en
Priority to SE7811467A priority patent/SE440101B/sv
Priority to FR7831550A priority patent/FR2408888A1/fr
Priority to LU80501A priority patent/LU80501A1/fr
Priority to NO783774A priority patent/NO153066C/no
Priority to DE19782848597 priority patent/DE2848597A1/de
Priority to IT69581/78A priority patent/IT1108395B/it
Priority to NL7811154A priority patent/NL7811154A/xx
Priority to GB7844061A priority patent/GB2010944B/en
Priority to JP13798178A priority patent/JPS5499401A/ja
Publication of DK345278A publication Critical patent/DK345278A/da
Publication of DK142710B publication Critical patent/DK142710B/da
Publication of DK142710C publication Critical patent/DK142710C/da
Application granted granted Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0035—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with undulated surfaces
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0076—Cellular, e.g. as wall facing
    • E01F8/0082—Cellular, e.g. as wall facing with damping material
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DK345278AA 1977-11-10 1978-08-04 Lydabsorberende struktur. DK142710B (da)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DK345278AA DK142710B (da) 1977-11-10 1978-08-04 Lydabsorberende struktur.
US05/956,274 US4244439A (en) 1977-11-10 1978-10-31 Sound-absorbing structure
SE7811467A SE440101B (sv) 1977-11-10 1978-11-06 Ljudabsorberande struktur parallell med ett ljudfelts utstreckning
FR7831550A FR2408888A1 (fr) 1977-11-10 1978-11-08 Structure d'absorption du son
DE19782848597 DE2848597A1 (de) 1977-11-10 1978-11-09 Schalldaemmendes gebilde
NO783774A NO153066C (no) 1977-11-10 1978-11-09 Lydabsorberende konstruksjon.
LU80501A LU80501A1 (fr) 1977-11-10 1978-11-09 Structure d'absorption du son
IT69581/78A IT1108395B (it) 1977-11-10 1978-11-10 Struttura fonoassorbente particolarmente per la attenuazione dei rumori del traffico autostradale ed aeroportuale
NL7811154A NL7811154A (nl) 1977-11-10 1978-11-10 Geluid-absorberende constructie.
GB7844061A GB2010944B (en) 1977-11-10 1978-11-10 Sound-absorbingstructures
JP13798178A JPS5499401A (en) 1977-11-10 1978-11-10 Sound absorbing structure

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK498477 1977-11-10
DK498477A DK140951B (da) 1977-11-10 1977-11-10 Lydabsorberende struktur.
DK345278AA DK142710B (da) 1977-11-10 1978-08-04 Lydabsorberende struktur.
DK345278 1978-08-04

Publications (3)

Publication Number Publication Date
DK345278A DK345278A (ko) 1980-02-05
DK142710B true DK142710B (da) 1980-12-29
DK142710C DK142710C (ko) 1981-08-03

Family

ID=26067059

Family Applications (1)

Application Number Title Priority Date Filing Date
DK345278AA DK142710B (da) 1977-11-10 1978-08-04 Lydabsorberende struktur.

Country Status (11)

Country Link
US (1) US4244439A (ko)
JP (1) JPS5499401A (ko)
DE (1) DE2848597A1 (ko)
DK (1) DK142710B (ko)
FR (1) FR2408888A1 (ko)
GB (1) GB2010944B (ko)
IT (1) IT1108395B (ko)
LU (1) LU80501A1 (ko)
NL (1) NL7811154A (ko)
NO (1) NO153066C (ko)
SE (1) SE440101B (ko)

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DE2829273A1 (de) * 1978-07-04 1980-01-24 Basalt Ag Laermschutzelement
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AT384053B (de) * 1986-03-07 1987-09-25 Schwarz Gerhard Laermschutzeinrichtung fuer mehrgleisige eisenbahnstrecken
US4821839A (en) * 1987-04-10 1989-04-18 Rpg Diffusor Systems, Inc. Sound absorbing diffusor
US4821841A (en) * 1987-06-16 1989-04-18 Bruce Woodward Sound absorbing structures
US4842097A (en) * 1987-06-16 1989-06-27 Woodward Bruce Sound absorbing structure
DE3830346A1 (de) * 1988-09-07 1990-03-15 Rehau Ag & Co Schalldaemmendes luftfuehrungselement
DE3940381A1 (de) * 1989-12-06 1991-06-13 Pks Engineering Heissgaskanal sowie verschlusselement
US5160816A (en) * 1990-10-17 1992-11-03 Systems Development Group Two dimensional sound diffusor
US5226267A (en) * 1991-10-23 1993-07-13 Rpg Diffusor Systems, Inc. Acoustical diffusing and absorbing cinder blocks
EP0743997B1 (en) * 1994-02-11 1997-09-24 Autostrade Concessioni E Costruzioni Autostrade S.P.A. Sound deadening road pavement and method for its realization
US5969301A (en) * 1996-12-23 1999-10-19 Cullum, Jr.; Burton E. Acoustic diffuser panel system and method
DE19804567C2 (de) * 1998-02-05 2003-12-11 Woco Franz Josef Wolf & Co Gmbh Flächenabsorber für Schallwellen und Verwendung
FR2795756B1 (fr) * 1999-06-30 2002-01-18 Capremib Champagne Ardennes Pr Ecran acoustique composite multimateriaux
IL137249A0 (en) * 1999-07-14 2001-07-24 Fracasso Metalmeccanica Soundproofing panel for acoustic barriers
JP3584465B2 (ja) * 1999-11-11 2004-11-04 日産自動車株式会社 吸音構造体
CA2328265A1 (en) 1999-12-16 2001-06-16 James G. Ryan Air-coupled surface wave structures for sound field modification
EP1172059A1 (en) * 2000-07-14 2002-01-16 Nilfisk Advance A/S A suction apparatus with noise reduction means
DE10102040A1 (de) * 2001-01-18 2002-07-25 Mahle Filtersysteme Gmbh Schalldämpfer
US6616337B1 (en) * 2002-02-28 2003-09-09 The Timken Company Noise-reducing machine component
FR2848232A1 (fr) * 2002-12-10 2004-06-11 Jean Luc Sandoz Structure antibruit
US6918740B2 (en) * 2003-01-28 2005-07-19 Dresser-Rand Company Gas compression apparatus and method with noise attenuation
US7314114B2 (en) * 2004-02-11 2008-01-01 Acoustics First Corporation Flat panel diffuser
CN102518605A (zh) * 2005-02-23 2012-06-27 康明斯涡轮增压技术有限公司 压缩机
US7469770B2 (en) * 2006-06-29 2008-12-30 United Technologies Corporation Anechoic visco-thermal liner
FR2915522A1 (fr) * 2007-04-30 2008-10-31 Airbus France Sas Panneau acoustique a caracteristique acoustique variable
WO2009127258A2 (en) 2008-04-17 2009-10-22 Stichting Nationaal Lucht- En Ruimtevaart Laboratorium Method for the reduction of sound
SE533764C2 (sv) * 2009-05-04 2010-12-28 Bloc Internat Ab Z Ljudbarriär för dämpning av störande trafikljud
NL2003697C2 (nl) 2009-10-22 2011-04-26 Univ Twente Weg met geluid-diffractoren.
GB2475718B (en) * 2009-11-27 2015-09-16 Red Twin Ltd Method of producing an acoustic surface.
US8276544B2 (en) * 2009-12-01 2012-10-02 Seltzer Robyn Sound dampened pet abode
WO2012079158A1 (en) 2010-12-16 2012-06-21 Taras Kowalczyszyn Improved housing for containing electronic components therein
JP5206818B2 (ja) * 2011-02-14 2013-06-12 トヨタ自動車株式会社 車両用吸音構造体
JP5810884B2 (ja) * 2011-12-15 2015-11-11 ヤマハ株式会社 音響構造体
NL1040287C2 (nl) * 2013-07-07 2015-01-12 4Silence B V Diffractor voor het afbuigen van verkeersgeluid.
US9909269B2 (en) 2013-07-07 2018-03-06 4Silence B.V. Diffractor for diffracting sound
US9725154B2 (en) * 2014-05-13 2017-08-08 The Boeing Company Method and apparatus for reducing structural vibration and noise
USD780159S1 (en) * 2014-07-15 2017-02-28 Funktion One Research Loudspeaker
USD769215S1 (en) * 2014-07-15 2016-10-18 Funktion One Research Loudspeaker
USD780158S1 (en) * 2014-07-15 2017-02-28 Funktion One Research Loudspeaker
US10796680B2 (en) * 2017-10-16 2020-10-06 The Hong Kong University Of Science And Technology Sound absorber with stair-stepping structure
US11004439B2 (en) * 2018-02-26 2021-05-11 Toyota Motor Engineering & Manufacturing North America, Inc. Acoustic absorber
CN109243421A (zh) * 2018-11-08 2019-01-18 南京光声超构材料研究院有限公司 一种用于吸声降噪的低频吸声结构
US11905703B2 (en) * 2018-12-21 2024-02-20 The Hong Kong University Of Science And Technology Soft acoustic boundary plate
US11929053B2 (en) 2019-09-11 2024-03-12 The Hong Kong University Of Science And Technology Broadband sound absorber based on inhomogeneous-distributed Helmholtz resonators with extended necks
CN111119085B (zh) * 2020-01-16 2021-07-27 湖南省交通科学研究院有限公司 一种具有半圆柱状顶部凸起结构的声屏障
DE102022119407A1 (de) 2022-08-02 2024-02-08 Bayerische Motoren Werke Aktiengesellschaft Flächenformteil und Kraftfahrzeug mit zumindest einem Flächenformteil

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US1825770A (en) * 1929-07-03 1931-10-06 Arthur Sitzman Sound absorbing construction
US1972563A (en) * 1933-01-31 1934-09-04 Irvin Richard Acoustic construction
US2043030A (en) * 1935-04-02 1936-06-02 Maxim Silencer Co Sound attenuating device
US2335728A (en) * 1939-09-13 1943-11-30 Benecke Heinrich Sound absorbing or attenuant arrangement for reverberant rooms
US3087565A (en) * 1957-04-23 1963-04-30 Bolt Beranek & Newman Apparatus for damping
US3087576A (en) * 1958-06-20 1963-04-30 Pittsburgh Corning Corp Sound absorbers
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FR1435430A (fr) * 1964-02-16 1966-04-15 Piste de décollage et d'atterrissage pour avions
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Also Published As

Publication number Publication date
SE7811467L (sv) 1979-05-11
DK345278A (ko) 1980-02-05
SE440101B (sv) 1985-07-15
NO153066B (no) 1985-09-30
GB2010944B (en) 1982-08-18
US4244439A (en) 1981-01-13
FR2408888A1 (fr) 1979-06-08
DE2848597A1 (de) 1979-05-17
NO153066C (no) 1986-01-08
DK142710C (ko) 1981-08-03
JPS5499401A (en) 1979-08-06
NL7811154A (nl) 1979-05-14
IT7869581A0 (it) 1978-11-10
NO783774L (no) 1979-05-11
FR2408888B1 (ko) 1984-08-24
JPS6125159B2 (ko) 1986-06-14
IT1108395B (it) 1985-12-09
GB2010944A (en) 1979-07-04
LU80501A1 (fr) 1980-06-05

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