ZA833742B - Sound absorbing flow channel and process for its production - Google Patents

Sound absorbing flow channel and process for its production

Info

Publication number
ZA833742B
ZA833742B ZA833742A ZA833742A ZA833742B ZA 833742 B ZA833742 B ZA 833742B ZA 833742 A ZA833742 A ZA 833742A ZA 833742 A ZA833742 A ZA 833742A ZA 833742 B ZA833742 B ZA 833742B
Authority
ZA
South Africa
Prior art keywords
production
flow channel
sound absorbing
absorbing flow
foam material
Prior art date
Application number
ZA833742A
Other languages
English (en)
Inventor
Hans Ulrich Breitscheidel
Cosmas Lorry
Helmut Rehlen
Juergen Roellinghoff
Original Assignee
Dynamit Nobel Ag
Helmut Rehlen
Juergen Roellinghoff
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6164671&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA833742(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dynamit Nobel Ag, Helmut Rehlen, Juergen Roellinghoff filed Critical Dynamit Nobel Ag
Publication of ZA833742B publication Critical patent/ZA833742B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24496—Foamed or cellular component
    • Y10T428/24504—Component comprises a polymer [e.g., rubber, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249981—Plural void-containing components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987—With nonvoid component of specified composition
    • Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
  • Duct Arrangements (AREA)
  • Building Environments (AREA)
  • Inorganic Insulating Materials (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Ventilation (AREA)
  • Thermal Insulation (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Cable Accessories (AREA)
  • Communication Cables (AREA)
  • Exhaust Silencers (AREA)
  • Nonwoven Fabrics (AREA)
ZA833742A 1982-05-27 1983-05-24 Sound absorbing flow channel and process for its production ZA833742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3220023A DE3220023C2 (de) 1982-05-27 1982-05-27 Schalldämpfender Strömungskanal und Verfahren zu seiner Herstellung

Publications (1)

Publication Number Publication Date
ZA833742B true ZA833742B (en) 1984-03-28

Family

ID=6164671

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA833742A ZA833742B (en) 1982-05-27 1983-05-24 Sound absorbing flow channel and process for its production

Country Status (8)

Country Link
US (1) US4615411A (xx)
EP (1) EP0095582B2 (xx)
JP (1) JPS58217889A (xx)
AT (1) ATE24596T1 (xx)
DE (2) DE3220023C2 (xx)
ES (1) ES8405125A1 (xx)
YU (1) YU45131B (xx)
ZA (1) ZA833742B (xx)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61175521U (xx) * 1985-04-23 1986-11-01
DE3536379A1 (de) * 1985-10-11 1987-04-16 Metzeler Schaum Gmbh Luftfuehrungskanal, insbesondere in kraftfahrzeugen
IT1184003B (it) * 1985-12-06 1987-10-22 Fiat Auto Spa Manicotto flessibile con funzione di assorbimento acustico e di isolamento termico
US4863791A (en) * 1987-04-06 1989-09-05 United Technologies Automotive, Inc. Sound absorption in foam core panels
US4781774A (en) * 1987-04-06 1988-11-01 United Technologies Automotive, Inc. Method of manufacturing foam core panels for sound absorption
DE3725147A1 (de) * 1987-07-29 1989-02-09 Bayerische Motoren Werke Ag Schallisolierendes bauteil
EP0317833A1 (de) * 1987-11-23 1989-05-31 Irbit Research + Consulting AG Dichtungselement
DE3808387A1 (de) * 1988-03-12 1989-09-21 Irbit Research & Consulting Ag Verfahren zur herstellung eines stroemungskanals und stroemungskanal
DE58900355D1 (de) * 1988-08-29 1991-11-14 Geberit Ag Formstueck aus kunststoff fuer rohrsysteme.
DE3907106C2 (de) * 1989-03-04 1997-07-17 Friatec Keramik Kunststoff Rohrleitung
CA1280007C (en) * 1989-04-19 1991-02-12 Konrad Baerveldt Joint filler
US5459291A (en) * 1992-09-29 1995-10-17 Schuller International, Inc. Sound absorption laminate
CN1112582A (zh) * 1993-09-21 1995-11-29 积水化学工业株式会社 由聚烯烃基料树脂和硅烷改性的聚合物组成的泡沫塑料及其制备方法
DE4445794C1 (de) 1994-12-21 1996-01-25 Norres Richard Gasführungselement mit schallweichen Wänden zum Dämmen und Dämpfen von sich in Hauptkanälen ausbreitenden Geräuschen
US5692060A (en) * 1995-05-01 1997-11-25 Knowles Electronics, Inc. Unidirectional microphone
JP2706912B2 (ja) * 1995-09-22 1998-01-28 東拓工業株式会社 断熱消音ダクト
DE19547565C1 (de) * 1995-12-20 1997-04-30 Richard Norres Fluidführungselement zum Dämmen und Dämpfen von sich in Hauptkanälen ausbreitenden Geräuschen mit einem Schalldämpfer und/oder einem Verbindungskanal
US5962107A (en) * 1997-10-29 1999-10-05 Johns Manville International, Inc. Perforated cellular sound absorption material
US20020179367A1 (en) * 1999-12-24 2002-12-05 Arno Becker Sound-absorbing polymer foam molded article
US6479097B1 (en) * 2000-08-03 2002-11-12 Mcintyre, Jr. Robert J. Sound lining for ducts
AU2002210476A1 (en) * 2000-09-07 2002-03-22 Behr Gmbh And Co. Structural part for a motor vehicle
EP1365388A4 (en) * 2001-01-23 2006-07-26 Kasai Kogyo Kk SOUNDPROOF MATERIAL FOR A VEHICLE AND METHOD FOR PRODUCING THE MATERIAL
DE10201763A1 (de) * 2002-01-18 2003-08-07 Bayer Ag Akustisches Abschirmelement
DE10302049B4 (de) * 2003-01-21 2008-02-28 Daimler Ag Wasserablaufleitung bei einem Kraftfahrzeug
DE10310651A1 (de) * 2003-03-12 2004-09-23 Daimlerchrysler Ag Luftkanal
US7137775B2 (en) 2003-03-20 2006-11-21 Huntair Inc. Fan array fan section in air-handling systems
US7597534B2 (en) 2003-03-20 2009-10-06 Huntair, Inc. Fan array fan section in air-handling systems
US11255332B2 (en) 2003-03-20 2022-02-22 Nortek Air Solutions, Llc Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system
US6932190B2 (en) * 2003-07-29 2005-08-23 Carrier Corporation Sound jacket for noise reduction in refrigeration apparatus
DE102004049398A1 (de) * 2003-10-08 2005-07-07 Behr Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines Bauteils, insbesondere eines Hybridbauteils für einen Querträger eines Fahrzeugs sowie Bauteil und Verwendung eines Bauteils
ATE464196T1 (de) * 2003-10-08 2010-04-15 Behr Gmbh & Co Kg Bauteil, insbesondere hybridträger für ein fahrzeug, und verwendung eines derartigen bauteils
WO2005032866A1 (de) * 2003-10-08 2005-04-14 Behr Gmbh & Co. Kg Bauteil, insbesondere hybridbauteil für einen querträger eines fahrzeugs und verwendung eines bauteils
DE10352783B4 (de) * 2003-11-12 2005-10-20 Stankiewicz Gmbh In Schächte, Rohrleitungen, Fahrzeug-Instrumententafeln, Fahrzeugtüren oder dergleichen einbaubarer Schallabsorber sowie Verfahren zur Herstellung und zum Einbau
TWI242706B (en) * 2004-03-08 2005-11-01 Avance Technologies Inc Convective cooling chassis air guide
DE202004006337U1 (de) * 2004-04-19 2004-07-29 Carcoustics Tech Center Gmbh Luftleitelement für eine Instrumententafel eines Kraftfahrzeuges
DE102005031969A1 (de) * 2005-07-08 2007-01-11 Rehau Ag + Co. Luftführungselement für Kraftfahrzeuge und daraus bestehender Bausatz
US7491120B1 (en) * 2005-07-27 2009-02-17 St. Cloud Window Inc. Trickle vent
FR2890907B1 (fr) * 2005-09-20 2010-12-17 Valeo Systemes Thermiques Appareil de chauffage, ventilation et/ou climatisation a acoustique amelioree
US7546899B2 (en) * 2005-10-05 2009-06-16 Arrowhead Products Corporation Lightweight polymer muffler apparatus and method of making same
US8336672B2 (en) * 2006-01-18 2012-12-25 Bard Manufacturing Company Air treatment and sound reduction system
HU227213B1 (en) * 2007-01-25 2010-11-29 Origo Plan Kft Procedure for making matching forms of air-handling systems, matching form and air-handling system
DE202007007832U1 (de) * 2007-06-01 2007-08-23 R+S Technik Gmbh Werkstoffkombination
US9669593B2 (en) * 2007-06-14 2017-06-06 The Boeing Company Light weight thermoplastic flex foam and hybrid duct system
DE102007045266A1 (de) * 2007-09-21 2009-04-02 Hydac Technology Gmbh Dämpfungseinrichtung, insbesondere Pulsationsdämpfer
JP5245641B2 (ja) * 2008-08-20 2013-07-24 ヤマハ株式会社 吸音構造体
US10316661B2 (en) 2008-11-20 2019-06-11 Emseal Joint Systems, Ltd. Water and/or fire resistant tunnel expansion joint systems
US8365495B1 (en) 2008-11-20 2013-02-05 Emseal Joint Systems Ltd. Fire and water resistant expansion joint system
US11180995B2 (en) 2008-11-20 2021-11-23 Emseal Joint Systems, Ltd. Water and/or fire resistant tunnel expansion joint systems
US9637915B1 (en) 2008-11-20 2017-05-02 Emseal Joint Systems Ltd. Factory fabricated precompressed water and/or fire resistant expansion joint system transition
US9631362B2 (en) 2008-11-20 2017-04-25 Emseal Joint Systems Ltd. Precompressed water and/or fire resistant tunnel expansion joint systems, and transitions
US9670666B1 (en) 2008-11-20 2017-06-06 Emseal Joint Sytstems Ltd. Fire and water resistant expansion joint system
US10851542B2 (en) 2008-11-20 2020-12-01 Emseal Joint Systems Ltd. Fire and water resistant, integrated wall and roof expansion joint seal system
US9739050B1 (en) 2011-10-14 2017-08-22 Emseal Joint Systems Ltd. Flexible expansion joint seal system
US20100212807A1 (en) * 2009-02-20 2010-08-26 Armacell Enterprise Gmbh Insulating angular duct sections formed on an automatic coil line
US8341908B1 (en) 2009-03-24 2013-01-01 Emseal Joint Systems Ltd. Fire and water resistant expansion and seismic joint system
US8813450B1 (en) 2009-03-24 2014-08-26 Emseal Joint Systems Ltd. Fire and water resistant expansion and seismic joint system
JP4913847B2 (ja) * 2009-06-16 2012-04-11 之啓 西川 吸音体及びその製造方法
US8974198B2 (en) * 2009-08-10 2015-03-10 Emerson Climate Technologies, Inc. Compressor having counterweight cover
GB0915517D0 (en) * 2009-09-04 2009-10-07 Ove Arup & Partners Internat L Sound attenuation air vent
SG185461A1 (en) 2010-07-01 2012-12-28 Emd Millipore Corp Rigid disposable flow path
US20120018026A1 (en) * 2010-07-21 2012-01-26 Unique Fabricating, Inc. Cross-linked polyolefin foam duct for hvac applications
DE102010031855A1 (de) * 2010-07-22 2012-01-26 J. Eberspächer GmbH & Co. KG Abgasanlage
EP2418338A1 (en) * 2010-08-11 2012-02-15 Armacell Enterprise GmbH Method of forming insulated angular duct sections, compatible with an automatic coil line
US8066096B1 (en) * 2010-11-04 2011-11-29 Hamilton Sundstrand Corporation Inlet silencer
JP5982870B2 (ja) * 2012-02-28 2016-08-31 キョーラク株式会社 発泡ダクト
DE102012203352A1 (de) * 2012-03-02 2013-09-05 Behr Gmbh & Co. Kg Fahrzeugbauteil
US8667995B1 (en) 2012-05-23 2014-03-11 Carl Fanelli Insulated ducts and insulated ductworks
US9068297B2 (en) 2012-11-16 2015-06-30 Emseal Joint Systems Ltd. Expansion joint system
US20140311823A1 (en) * 2013-04-17 2014-10-23 GM Global Technology Operations LLC Acoustic insulator having a tortuous path
JP6541938B2 (ja) * 2013-05-14 2019-07-10 株式会社ジェイエスピー ダクト
CN104553683B (zh) * 2014-11-21 2017-01-04 上海钟华汽车阻尼材料有限公司 一种汽车通风管的制作方法
JP2016120735A (ja) * 2014-12-24 2016-07-07 株式会社イノアックコーポレーション 空調用ダクト及びその製造方法
DE102015105555B4 (de) * 2015-04-13 2019-05-23 Odenwald-Chemie Gmbh Vorrichtung zur Strömungsberuhigung und Fahrzeug
DE102016213296A1 (de) * 2016-07-20 2018-01-25 Man Diesel & Turbo Se Strömungsmaschine und Verfahren zum Herstellen desselben
US10980391B2 (en) 2017-04-28 2021-04-20 Owens Corning Intellectual Capital, Llc Appliance with acoustically insulated ductwork
JP7081975B2 (ja) * 2018-05-10 2022-06-07 三井化学株式会社 折り畳み衝立および空間仕切り方法
FR3121195B1 (fr) * 2021-03-25 2023-11-24 Plastiques Du Val De Loire Conduit de circulation d’un fluide gazeux comprenant un revêtement absorbant acoustique
CN115355369A (zh) * 2022-08-26 2022-11-18 武汉理工大学 一种基于仿生原理的通水管路连接装置及安装方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7340715U (de) * 1974-05-09 Cellofoam Deutschland Gmbh Schalldämmende mehrlagige Verbundwarenbahn
US3000464A (en) * 1957-09-18 1961-09-19 Bolt Beranek & Newman Acoustic absorber
DE1861329U (de) * 1962-02-07 1962-10-31 Elmore S Metall Ag Schall- und waermeisoliertes metallrohr.
US3196975A (en) * 1962-12-13 1965-07-27 Allied Chem Acoustic foam
US3443007A (en) * 1967-02-21 1969-05-06 Mobay Chemical Corp Process for producing a smooth impervious skin on the surface of a resilient sheet of foamed plastic
LU54653A1 (xx) * 1967-10-11 1969-07-03
GB1242864A (en) * 1968-05-15 1971-08-18 Dunlop Holdings Ltd Acoustical elements
US3741844A (en) * 1971-06-03 1973-06-26 Tenneco Chem Hot melt process for forming resin layer on polyurethane foam
DE2365203B2 (de) * 1973-12-31 1977-02-03 Dynamit Nobel Ag, 5210 Troisdorf Herstellen von mehrschichtigen bahnen, platten, formteilen
DE2408028B2 (de) * 1974-02-20 1978-05-11 Fa. Carl Freudenberg, 6940 Weinheim Schallschluckplatte
DE2437947C3 (de) * 1974-08-07 1984-09-20 Fa. Carl Freudenberg, 6940 Weinheim Anordnung zur Absorption von Luftschall
DE2543840A1 (de) * 1974-10-03 1976-04-15 Sun Shipbuilding & Dry Dock Co Aus polyurethanschaum bestehende tieftemperaturisolation
DE2609872A1 (de) * 1976-03-10 1977-09-15 Freudenberg Carl Fa Schalldaempfer fuer stroemungskanaele
DE2659551A1 (de) * 1976-12-30 1978-07-06 Dynamit Nobel Ag Platten- bzw. bahnfoermiges element mit polsternder und daemmender wirkung
HU182491B (en) * 1977-04-08 1984-01-30 Fuetoeber Epueletgep Termekek Sound-damping deviceparticularly for reducing noise spreading in air duct
DE2749665A1 (de) * 1977-11-05 1979-05-10 Eckhard Faehnrich Schalldaemmender, flexibler schlauch
DE2930162A1 (de) * 1979-07-25 1981-02-12 Gottlieb Link Schalldaempfende be- und entlueftungsvorrichtung
DE2952600A1 (de) * 1979-12-28 1981-07-02 Juval Dr.-Ing. 8000 München Mantel Vorrichtung zur koerperschalldaemmung von rohren
JPS56142054A (en) * 1980-04-04 1981-11-06 Inoue Mtp Kk Sound absorbing material
US4340129A (en) * 1980-05-01 1982-07-20 Cabot Corporation Acoustical laminate construction and attenuated systems comprising same
DE8023225U1 (de) * 1980-08-30 1980-11-27 Freudenberg Carl Fa Hutablage
JPS5841297B2 (ja) * 1980-06-25 1983-09-10 旭化成株式会社 連続気泡発泡体用の重合体組成物
JPS5842324B2 (ja) * 1981-01-09 1983-09-19 日本国有鉄道 騒音制御装置
DE3112883C2 (de) * 1981-03-31 1988-04-14 Cellofoam Deutschland Gmbh, 7950 Biberach "Verfahren und Vorrichtung zum kontinuierlichen Verhauten der Oberfläche von Schaumstoffbahnen"

Also Published As

Publication number Publication date
DE3220023A1 (de) 1983-12-01
EP0095582B1 (de) 1986-12-30
EP0095582A1 (de) 1983-12-07
YU45131B (en) 1992-03-10
DE3220023C2 (de) 1993-05-27
ES522730A0 (es) 1984-05-16
ATE24596T1 (de) 1987-01-15
US4615411A (en) 1986-10-07
EP0095582B2 (de) 1994-08-03
ES8405125A1 (es) 1984-05-16
JPS58217889A (ja) 1983-12-17
DE3368749D1 (en) 1987-02-05
YU115083A (en) 1985-12-31

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