AU2003212731A1 - Ventilation duct including sound dampning materials with different density and a valve - Google Patents

Ventilation duct including sound dampning materials with different density and a valve

Info

Publication number
AU2003212731A1
AU2003212731A1 AU2003212731A AU2003212731A AU2003212731A1 AU 2003212731 A1 AU2003212731 A1 AU 2003212731A1 AU 2003212731 A AU2003212731 A AU 2003212731A AU 2003212731 A AU2003212731 A AU 2003212731A AU 2003212731 A1 AU2003212731 A1 AU 2003212731A1
Authority
AU
Australia
Prior art keywords
dampning
valve
materials
ventilation duct
different density
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.)
Abandoned
Application number
AU2003212731A
Other languages
English (en)
Inventor
Sven-Inge Blank
Paul Nordin
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.)
VASAB VAGG AND AKUSTIK SYSTEM AB
Original Assignee
VASAB VAGG AND AKUSTIK SYSTEM
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 VASAB VAGG AND AKUSTIK SYSTEM filed Critical VASAB VAGG AND AKUSTIK SYSTEM
Publication of AU2003212731A1 publication Critical patent/AU2003212731A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0263—Insulation for air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/242—Sound-absorbing material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
AU2003212731A 2002-02-28 2003-02-25 Ventilation duct including sound dampning materials with different density and a valve Abandoned AU2003212731A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0200595-7 2002-02-28
SE0200595A SE525044C2 (sv) 2002-02-28 2002-02-28 Ventilationskanal innefattande ljuddämpande material med olik densiteter och spjäll med perforerat blad
PCT/SE2003/000306 WO2003073016A1 (en) 2002-02-28 2003-02-25 Ventilation duct including sound dampning materials with different density and a valve

Publications (1)

Publication Number Publication Date
AU2003212731A1 true AU2003212731A1 (en) 2003-09-09

Family

ID=20287107

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003212731A Abandoned AU2003212731A1 (en) 2002-02-28 2003-02-25 Ventilation duct including sound dampning materials with different density and a valve

Country Status (3)

Country Link
AU (1) AU2003212731A1 (sv)
SE (1) SE525044C2 (sv)
WO (1) WO2003073016A1 (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876434A1 (fr) * 2004-10-11 2006-04-14 Technofan Sa Dispositif d'obturation d'une conduite et ensemble de ventilation incluant un tel dispositif
DE102007062827A1 (de) 2007-12-21 2009-06-25 Behr Gmbh & Co. Kg Schalldämpfender Fluidkanal mit einem Strömungsleitelement
US9581353B2 (en) * 2009-01-23 2017-02-28 Valeo Climate Control Corporation HVAC system including a noise-reducing feature
EP2306108B1 (en) * 2009-09-25 2013-11-20 Hans Östberg A ventilating arrangement
GB2501867B (en) * 2012-03-19 2019-03-20 Nuaire Ltd Acoustically attenuated ventilation system
CN108506215A (zh) * 2017-09-25 2018-09-07 约克（无锡）空调冷冻设备有限公司 消音装置
EP3614066A1 (en) * 2018-08-22 2020-02-26 Arup Ventures Limited Openable panel unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB721860A (en) * 1952-11-11 1955-01-12 Bolt Beranek & Newman Improvements in sound-absorbers for use in fluid media
US3263771A (en) * 1964-05-21 1966-08-02 Seifert Kurt Sound absorbing pipe lining having packing with different densities
US4068736A (en) * 1975-04-14 1978-01-17 Tempmaster Corporation Method and device for reducing noise
US5530213A (en) * 1993-05-17 1996-06-25 Ford Motor Company Sound-deadened motor vehicle exhaust manifold
DE4429045B4 (de) * 1994-08-16 2005-11-24 E. Missel Gmbh Dämmmaterial
SE516302C2 (sv) * 1999-03-26 2001-12-17 Paroc Group Oy Ab Ljuddämparinsats för luft- eller gaskanaler

Also Published As

Publication number Publication date
WO2003073016A1 (en) 2003-09-04
SE0200595L (sv) 2003-08-29
SE0200595D0 (sv) 2002-02-28
SE525044C2 (sv) 2004-11-16

Similar Documents

Publication Publication Date Title
AU2003275097A1 (en) Exhaust sound and emission control systems
AU2003232175A1 (en) Method of digital equalisation of a sound from loudspeakers in rooms and use of the method
AU2003259122A1 (en) Underreamer and actuator therefor
AU2002352277A1 (en) Vertical ventilator fan for external and/or internal use
AU2003277171A1 (en) Air duct outlet with joystick louver control
AU2003250464A1 (en) Calibrating a first and a second microphone
GB0220127D0 (en) A throttle plate having reduced air rush noise and method
AU2003222406A1 (en) Loudspeaker with a first and a second diaphragm body
AU2003239484A1 (en) Zooplankton enrichment with probionts and prebionts and uses thereof
AU2002328545A1 (en) Humidifier and air conditioner using the humidifier
AU2003212731A1 (en) Ventilation duct including sound dampning materials with different density and a valve
AU2002349663A1 (en) Air supply and exhaust type range hood
AU2003266567A1 (en) Cross flow fan and air conditioner with the fan
AU2003237427A1 (en) Materials and reactor systems having humidity and gas control
AU2003249277A1 (en) Cut and abrasion resistant fibrous structure
AU2003276948A1 (en) Duct fastseam
AU2003219145A1 (en) Forced ventilated window with a limited airflow
AU2003245092A1 (en) Sound-absorbing material
AU2003240921A1 (en) Air duct and an arrangement with an air duct, which has a cross-section with two longer sides and two shorter
AU2003208433A1 (en) Air/fuel conditioning
AU2003299091A1 (en) A sound-absorbing and soundproofing polyurethane composition
AU2002235065A1 (en) Air freshener
AU2003241954A1 (en) Recording material and recording sheet
AU2003224331A1 (en) Insecticides and arachnicides
HK1064731A1 (en) A duct fan

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase