SE440101B - Ljudabsorberande struktur parallell med ett ljudfelts utstreckning - Google Patents

Ljudabsorberande struktur parallell med ett ljudfelts utstreckning

Info

Publication number
SE440101B
SE440101B SE7811467A SE7811467A SE440101B SE 440101 B SE440101 B SE 440101B SE 7811467 A SE7811467 A SE 7811467A SE 7811467 A SE7811467 A SE 7811467A SE 440101 B SE440101 B SE 440101B
Authority
SE
Sweden
Prior art keywords
sound
grooves
structure according
absorbing structure
absorbing
Prior art date
Application number
SE7811467A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811467L (sv
Inventor
J 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
Publication of SE7811467L publication Critical patent/SE7811467L/xx
Publication of SE440101B publication Critical patent/SE440101B/sv

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)
SE7811467A 1977-11-10 1978-11-06 Ljudabsorberande struktur parallell med ett ljudfelts utstreckning SE440101B (sv)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
SE7811467L SE7811467L (sv) 1979-05-11
SE440101B true SE440101B (sv) 1985-07-15

Family

ID=26067059

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811467A SE440101B (sv) 1977-11-10 1978-11-06 Ljudabsorberande struktur parallell med ett ljudfelts utstreckning

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)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829273A1 (de) * 1978-07-04 1980-01-24 Basalt Ag Laermschutzelement
DE3020830A1 (de) * 1980-06-02 1981-12-10 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Koinzidenzschalldaempfer
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

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1483365A (en) * 1918-06-27 1924-02-12 Mazer Jacob Sound-absorbing method and material
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
US3087567A (en) * 1959-03-06 1963-04-30 Bolt Beranek & Newman High acoustic-energy transmission-loss panel and the like
DE1823527U (de) * 1960-09-24 1960-12-15 Huldreich Germann Schalldaempfender mehrfrequenzresonator.
FR1435430A (fr) * 1964-02-16 1966-04-15 Piste de décollage et d'atterrissage pour avions
FR1516863A (fr) * 1966-12-22 1968-03-15 Le Panneau Magnetique L P M Panneau d'insonorisation, notamment pour revêtement du plafond et des murs d'un local
FR1552050A (ko) * 1967-11-07 1969-01-03
FR2034394A1 (ko) * 1969-03-21 1970-12-11 Bleton Louis
DE1945200A1 (de) * 1969-09-06 1971-03-11 Alfred Weissbrodt Wand- und/oder Deckenverkleidung
GB1274343A (en) * 1970-02-24 1972-05-17 Rolls Royce Improvements in or relating to acoustic linings
US3822762A (en) * 1971-09-23 1974-07-09 Mc Donnell Douglas Corp Decorative acoustic panel
GB1406844A (en) * 1972-09-01 1975-09-17 Short Brothers & Harland Ltd Sound absorbing panels
US3783968A (en) * 1972-12-29 1974-01-08 C Derry Sound barrier
US3819009A (en) * 1973-02-01 1974-06-25 Gen Electric Duct wall acoustic treatment
DE2314396B1 (de) * 1973-03-22 1974-06-20 Vasiljevic Costa Silard Dipl I Vorrichtung zur Schalldaempfung unter Verwendung von Resonatoren
US3895152A (en) * 1973-12-26 1975-07-15 Continental Oil Co A composite cellular construction
US4015682A (en) * 1974-01-17 1977-04-05 Alfred Keller Protecting system for roadway adjacent areas
US3866001A (en) * 1974-03-04 1975-02-11 Junger Miguel C Structural block with septum
US3972383A (en) * 1974-06-19 1976-08-03 United Technologies Corporation Sound absorption with variable acoustic resistance means by oscillatory air pressure signal
CA1027002A (en) * 1974-08-30 1978-02-28 Horst W.W. Hehmann Phased treatment noise suppressor for acoustic duct applications
GB1550226A (en) * 1975-06-04 1979-08-08 Scott Paper Co Perforated embossed film or foil to foam laminates
US4158401A (en) * 1975-07-11 1979-06-19 Bridgestone Tire Company Limited Device for controlling a propagation direction of noise
US4106587A (en) * 1976-07-02 1978-08-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Sound-suppressing structure with thermal relief
US4138947A (en) * 1977-04-07 1979-02-13 Pickett William H Noise barrier

Also Published As

Publication number Publication date
SE7811467L (sv) 1979-05-11
DK345278A (ko) 1980-02-05
NO153066B (no) 1985-09-30
GB2010944B (en) 1982-08-18
US4244439A (en) 1981-01-13
DK142710B (da) 1980-12-29
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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