[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

WO2014111067A3 - A sound absorptive element comprising at least one acoustic resonance membrane formed by a layer of polymeric nanofibers - Google Patents

A sound absorptive element comprising at least one acoustic resonance membrane formed by a layer of polymeric nanofibers Download PDF

Info

Publication number
WO2014111067A3
WO2014111067A3 PCT/CZ2014/000007 CZ2014000007W WO2014111067A3 WO 2014111067 A3 WO2014111067 A3 WO 2014111067A3 CZ 2014000007 W CZ2014000007 W CZ 2014000007W WO 2014111067 A3 WO2014111067 A3 WO 2014111067A3
Authority
WO
WIPO (PCT)
Prior art keywords
layer
acoustic resonance
membrane formed
polymeric nanofibers
absorptive element
Prior art date
Application number
PCT/CZ2014/000007
Other languages
French (fr)
Other versions
WO2014111067A2 (en
Inventor
Klara Kalinova
Original Assignee
Technicka Univerzita V Liberci
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 Technicka Univerzita V Liberci filed Critical Technicka Univerzita V Liberci
Priority to EP14706277.2A priority Critical patent/EP2875507B1/en
Publication of WO2014111067A2 publication Critical patent/WO2014111067A2/en
Publication of WO2014111067A3 publication Critical patent/WO2014111067A3/en

Links

Classifications

    • 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8452—Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to a sound absorbing means which comprises at least one acoustic resonance membrane (1) formed by a layer of polymeric nanofibers which is fixedly attached to a frame (2, 20).
PCT/CZ2014/000007 2013-01-18 2014-01-16 A sound absorptive element comprising at least one acoustic resonance membrane formed by a layer of polymeric nanofibers WO2014111067A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14706277.2A EP2875507B1 (en) 2013-01-18 2014-01-16 A sound absorptive element comprising at least one acoustic resonance membrane formed by a layer of polymeric nanofibers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2013-34A CZ201334A3 (en) 2013-01-18 2013-01-18 Sound-absorbing means containing at least one acoustic resonance membrane comprised of layer of polymeric nanofiber layer
CZPV2013-34 2013-01-18

Publications (2)

Publication Number Publication Date
WO2014111067A2 WO2014111067A2 (en) 2014-07-24
WO2014111067A3 true WO2014111067A3 (en) 2014-11-27

Family

ID=50158984

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CZ2014/000007 WO2014111067A2 (en) 2013-01-18 2014-01-16 A sound absorptive element comprising at least one acoustic resonance membrane formed by a layer of polymeric nanofibers

Country Status (3)

Country Link
EP (1) EP2875507B1 (en)
CZ (1) CZ201334A3 (en)
WO (1) WO2014111067A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015209105A1 (en) * 2015-05-19 2016-11-24 Hp Pelzer Holding Gmbh Light acoustic component
CZ29371U1 (en) * 2015-12-22 2016-04-18 Marta Palowská Sound absorbing and thermally insulating panel
US10540952B2 (en) 2016-03-30 2020-01-21 Maryam Mohammadi Gojani Sound absorbing structure including nanofibers
CZ308472B6 (en) * 2018-08-22 2020-09-09 Vysoká Škola Báňská-Technická Univerzita Ostrava Sound-absorbing sandwich part
CN110619865B (en) * 2019-10-09 2023-08-15 西北工业大学 Film multi-cavity material with excellent sound absorption performance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007047263A1 (en) * 2005-10-19 2007-04-26 3M Innovative Properties Company Multilayer articles having acoustical absorbance properties and methods of making and using the same
WO2008021455A2 (en) * 2006-08-16 2008-02-21 Hitachi Chemical Co., Ltd. Composites for sound control applications
EP2214160A2 (en) * 2009-01-28 2010-08-04 AKsys GmbH Airborne sound absorption moulded part and method for manufacturing same
WO2011047429A1 (en) * 2009-10-21 2011-04-28 Bellmax Acoustic Pty Ltd Acoustic panel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4832147A (en) * 1987-06-19 1989-05-23 E. I. Dupont De Nemours And Company Sound reduction membrane
JP2002180566A (en) * 2000-12-11 2002-06-26 Ngk Insulators Ltd Composite sound absorbing material
JP2003049351A (en) * 2001-07-31 2003-02-21 Toyobo Co Ltd High-performance acoustic material
CZ294274B6 (en) 2003-09-08 2004-11-10 Technická univerzita v Liberci Process for producing nanofibers from polymeric solution by electrostatic spinning and apparatus for making the same
CZ2005226A3 (en) 2005-04-11 2006-11-15 Elmarco, S. R. O. Bonded sound-absorbing non-woven fabric
CZ299549B6 (en) 2006-09-04 2008-08-27 Elmarco, S. R. O. Rotary spinning electrode
CZ200727A3 (en) * 2007-01-11 2008-07-23 Elmarco, S. R. O. Process for producing bonded sound-absorbing non-woven fabric
CZ300345B6 (en) 2007-07-17 2009-04-22 Elmarco, S. R. O. Method for spinning the liquid matrix, device for production of nanofibers through electrostatic spinning of liquid matrix and spinning electrode for such device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007047263A1 (en) * 2005-10-19 2007-04-26 3M Innovative Properties Company Multilayer articles having acoustical absorbance properties and methods of making and using the same
WO2008021455A2 (en) * 2006-08-16 2008-02-21 Hitachi Chemical Co., Ltd. Composites for sound control applications
EP2214160A2 (en) * 2009-01-28 2010-08-04 AKsys GmbH Airborne sound absorption moulded part and method for manufacturing same
WO2011047429A1 (en) * 2009-10-21 2011-04-28 Bellmax Acoustic Pty Ltd Acoustic panel

Also Published As

Publication number Publication date
WO2014111067A2 (en) 2014-07-24
CZ304656B6 (en) 2014-08-20
CZ201334A3 (en) 2014-08-20
EP2875507B1 (en) 2018-08-01
EP2875507A2 (en) 2015-05-27

Similar Documents

Publication Publication Date Title
HK1212499A1 (en) Sound attenuating structures
SG11201605179XA (en) Micro-electromechanical sound transducer with sound energy-reflecting interlayer
MX342149B (en) Multilayered perforated sound absorber.
WO2014111068A3 (en) A sound absorbing means containing at least one cavity resonator
JP2011523810A5 (en)
IT1399905B1 (en) LAMINAR TEXTILE STRUCTURE, PARTICULARLY SUITABLE FOR ACOUSTIC COMPONENTS.
WO2014123945A3 (en) Enhanced, lightweight acoustic scrim absorber
EP2948626A4 (en) Downhole optical acoustic transducers
WO2012167162A3 (en) Methods for the production of chitin nanofibers and uses thereof
WO2014111067A3 (en) A sound absorptive element comprising at least one acoustic resonance membrane formed by a layer of polymeric nanofibers
WO2014000967A3 (en) Acoustic sensor with a diaphragm made of a composite fibre material
BR112013015999A2 (en) Air filter element.
BR112014016264A8 (en) acoustic signal modification
EP3089472A4 (en) Vibration damping material
EP3052739B8 (en) Vibration damper
DE102012103585A8 (en) pressure transducers
JP2014513003A5 (en)
WO2015086379A3 (en) Assembly comprising a frame element and a connecting element, and method for securing a connecting element to a frame element
JP2014531010A5 (en)
EA201390951A1 (en) SOUND ISOLATING CONSTRUCTIVE ELEMENT
GB201421213D0 (en) Low frequency active acoustic absorber by acoustic velocity control through porous resistive layers
FR2968838B1 (en) SOUND TRANSDUCER COMPRISING AT LEAST ONE PIEZOELECTRIC ELEMENT
FR2986844B1 (en) STRUCTURAL BONDING DEVICE WITH VIBRATION FILTRATION
DK3008917T3 (en) SUSPENSION ELEMENT FOR SUSPENSING THE MEMBRANE OF A SPEAKER UNIT ON ITS FRAME AS WELL AS A UNIT AND SPEAKER INCLUDING THE SAME
DK2444537T3 (en) Nonwoven textile for acoustic applications with improved sound absorption characteristics

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14706277

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 2014706277

Country of ref document: EP