EP0892386A3 - Panneau d'isolation acoustique à absorption par résonance - Google Patents

Panneau d'isolation acoustique à absorption par résonance Download PDF

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Publication number
EP0892386A3
EP0892386A3 EP98111639A EP98111639A EP0892386A3 EP 0892386 A3 EP0892386 A3 EP 0892386A3 EP 98111639 A EP98111639 A EP 98111639A EP 98111639 A EP98111639 A EP 98111639A EP 0892386 A3 EP0892386 A3 EP 0892386A3
Authority
EP
European Patent Office
Prior art keywords
resonance
insulation panel
thin sheet
absorption acoustic
holes
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.)
Withdrawn
Application number
EP98111639A
Other languages
German (de)
English (en)
Other versions
EP0892386A2 (fr
Inventor
Claudio Barabaschi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0892386A2 publication Critical patent/EP0892386A2/fr
Publication of EP0892386A3 publication Critical patent/EP0892386A3/fr
Withdrawn legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
EP98111639A 1997-07-18 1998-06-24 Panneau d'isolation acoustique à absorption par résonance Withdrawn EP0892386A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI971702 1997-07-18
IT97MI001702 IT1293727B1 (it) 1997-07-18 1997-07-18 Pannello fonoassorbente ad assorbimento acustico per risonanza e procedimento di regolazione della frequenza di risonanza dello stesso

Publications (2)

Publication Number Publication Date
EP0892386A2 EP0892386A2 (fr) 1999-01-20
EP0892386A3 true EP0892386A3 (fr) 2001-08-29

Family

ID=11377581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98111639A Withdrawn EP0892386A3 (fr) 1997-07-18 1998-06-24 Panneau d'isolation acoustique à absorption par résonance

Country Status (2)

Country Link
EP (1) EP0892386A3 (fr)
IT (1) IT1293727B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005024549B3 (de) * 2005-05-28 2006-12-07 Airbus Deutschland Gmbh Sandwichstruktur mit frequenzselektivem Doppelwandverhalten
WO2011047429A1 (fr) 2009-10-21 2011-04-28 Bellmax Acoustic Pty Ltd Panneau acoustique
EP2593614B1 (fr) * 2010-07-13 2016-04-13 Bellmax Acoustic Pty Ltd Panneau acoustique
CN105719638A (zh) * 2014-12-04 2016-06-29 北京市劳动保护科学研究所 复合共振吸声结构
CN110832576B (zh) * 2017-07-28 2023-05-26 揖斐电株式会社 吸音部件、车辆用构件和汽车
JP7006116B2 (ja) * 2017-10-16 2022-02-10 セイコーエプソン株式会社 吸音器およびプロジェクター

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990027A (en) * 1957-07-11 1961-06-27 Celotex Corp Composite sound absorber
US4172168A (en) * 1977-07-05 1979-10-23 Firma Carl Freudenberg Lay-flat flooring slab
US4241806A (en) * 1978-10-10 1980-12-30 Metzger Arthur C Noise attenuation panel
US4248647A (en) * 1979-08-07 1981-02-03 Armstrong Cork Company Method for producing acoustical ceiling tile faced with a smooth distortion free decorative thin plastic film
US4301890A (en) * 1979-12-06 1981-11-24 Lord Corporation Sound-absorbing panel
JPH02253297A (ja) * 1989-03-28 1990-10-12 Matsushita Electric Works Ltd 吸音装置
US5241512A (en) * 1991-04-25 1993-08-31 Hutchinson 2 Acoustic protection material and apparatus including such material
US5633067A (en) * 1991-08-26 1997-05-27 Illbruck Production S.A. Engine compartment casing element with perforated foam layer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990027A (en) * 1957-07-11 1961-06-27 Celotex Corp Composite sound absorber
US4172168A (en) * 1977-07-05 1979-10-23 Firma Carl Freudenberg Lay-flat flooring slab
US4241806A (en) * 1978-10-10 1980-12-30 Metzger Arthur C Noise attenuation panel
US4248647A (en) * 1979-08-07 1981-02-03 Armstrong Cork Company Method for producing acoustical ceiling tile faced with a smooth distortion free decorative thin plastic film
US4301890A (en) * 1979-12-06 1981-11-24 Lord Corporation Sound-absorbing panel
JPH02253297A (ja) * 1989-03-28 1990-10-12 Matsushita Electric Works Ltd 吸音装置
US5241512A (en) * 1991-04-25 1993-08-31 Hutchinson 2 Acoustic protection material and apparatus including such material
US5633067A (en) * 1991-08-26 1997-05-27 Illbruck Production S.A. Engine compartment casing element with perforated foam layer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 005 (P - 1149) 8 January 1991 (1991-01-08) *

Also Published As

Publication number Publication date
IT1293727B1 (it) 1999-03-10
EP0892386A2 (fr) 1999-01-20
ITMI971702A1 (it) 1999-01-18

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