EP0682335A3 - Lamellated absorber - Google Patents

Lamellated absorber Download PDF

Info

Publication number
EP0682335A3
EP0682335A3 EP95106848A EP95106848A EP0682335A3 EP 0682335 A3 EP0682335 A3 EP 0682335A3 EP 95106848 A EP95106848 A EP 95106848A EP 95106848 A EP95106848 A EP 95106848A EP 0682335 A3 EP0682335 A3 EP 0682335A3
Authority
EP
European Patent Office
Prior art keywords
lamellated
absorber
vibrating
vibrating bodies
large number
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.)
Granted
Application number
EP95106848A
Other languages
German (de)
French (fr)
Other versions
EP0682335A2 (en
EP0682335B1 (en
Inventor
Franz Josef Wolf
Nenad Cvjeticanin
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.)
Woco Franz Josef Wolf and Co GmbH
Original Assignee
Woco Franz Josef Wolf and Co GmbH
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 Woco Franz Josef Wolf and Co GmbH filed Critical Woco Franz Josef Wolf and Co GmbH
Publication of EP0682335A2 publication Critical patent/EP0682335A2/en
Publication of EP0682335A3 publication Critical patent/EP0682335A3/en
Application granted granted Critical
Publication of EP0682335B1 publication Critical patent/EP0682335B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3214—Architectures, e.g. special constructional features or arrangements of features
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3227—Resonators

Abstract

Es ist eine Vorrichtung zur Dämpfung von sich in einem insbesondere gasförmigen Medium ausbreitenden Schallwellen vorgesehen, die eine Vielzahl schwingungsfähiger Schwingungskörper aufweist. Die Schwingungskörper sind langgestreckte ausgebildete Lamellen.

Figure 00000001
A device for damping sound waves propagating in a gaseous medium in particular is provided, which has a large number of vibrating vibrating bodies. The vibrating bodies are elongated slats.
Figure 00000001
EP95106848A 1994-05-09 1995-05-05 Lamellated absorber Expired - Lifetime EP0682335B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4416361A DE4416361A1 (en) 1994-05-09 1994-05-09 Lamella absorber
DE4416361 1994-05-09

Publications (3)

Publication Number Publication Date
EP0682335A2 EP0682335A2 (en) 1995-11-15
EP0682335A3 true EP0682335A3 (en) 1998-01-07
EP0682335B1 EP0682335B1 (en) 2001-12-12

Family

ID=6517701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106848A Expired - Lifetime EP0682335B1 (en) 1994-05-09 1995-05-05 Lamellated absorber

Country Status (6)

Country Link
US (1) US5719359A (en)
EP (1) EP0682335B1 (en)
KR (1) KR950034050A (en)
DE (2) DE4416361A1 (en)
ES (1) ES2169738T3 (en)
MX (1) MX9501846A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2389150B (en) 2001-09-07 2004-08-25 Avon Polymer Prod Ltd Noise and vibration suppressors
NO322685B1 (en) * 2005-03-23 2006-11-27 Deamp As Plate Element
CN102132339A (en) * 2008-08-19 2011-07-20 西门子公司 Noise-reducing device and method for reducing noise
US10149044B2 (en) * 2014-07-21 2018-12-04 Nokia Technologies Oy Vibration damping structure for audio device
US10657947B2 (en) * 2017-08-10 2020-05-19 Zin Technologies, Inc. Integrated broadband acoustic attenuator
JP7006116B2 (en) * 2017-10-16 2022-02-10 セイコーエプソン株式会社 Sound absorbers and projectors
EP3909813B1 (en) * 2019-01-11 2023-09-13 FUJIFILM Corporation Sound dampening member for electric-powered vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725186A1 (en) * 1976-06-04 1977-12-15 Lord Corp SOUND ABSORBING DEVICE
GB2024380A (en) * 1978-04-29 1980-01-09 Rolls Royce Acoustic linings for fluid flow ducts
EP0246464A1 (en) * 1986-05-14 1987-11-25 Pape, Hans Sound-absorbing layer for a wall or covering
EP0337077A1 (en) * 1988-04-13 1989-10-18 Deutsche Aerospace AG Damping device for air transmitted and rigid-body sound vibrations
EP0521740A1 (en) * 1991-04-25 1993-01-07 Hutchinson Material for acoustic protection and device incorporating such material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534137A (en) * 1946-03-25 1950-12-12 M B Mfg Company Inc Vibration isolator pad
US2989136A (en) * 1959-04-14 1961-06-20 Wohlberg George Sound attenuation
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
JP3076945B2 (en) * 1993-06-15 2000-08-14 松下電器産業株式会社 Sound absorbing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725186A1 (en) * 1976-06-04 1977-12-15 Lord Corp SOUND ABSORBING DEVICE
GB2024380A (en) * 1978-04-29 1980-01-09 Rolls Royce Acoustic linings for fluid flow ducts
EP0246464A1 (en) * 1986-05-14 1987-11-25 Pape, Hans Sound-absorbing layer for a wall or covering
EP0337077A1 (en) * 1988-04-13 1989-10-18 Deutsche Aerospace AG Damping device for air transmitted and rigid-body sound vibrations
EP0521740A1 (en) * 1991-04-25 1993-01-07 Hutchinson Material for acoustic protection and device incorporating such material

Also Published As

Publication number Publication date
EP0682335A2 (en) 1995-11-15
DE59509926D1 (en) 2002-01-24
KR950034050A (en) 1995-12-26
ES2169738T3 (en) 2002-07-16
MX9501846A (en) 1997-02-28
US5719359A (en) 1998-02-17
EP0682335B1 (en) 2001-12-12
DE4416361A1 (en) 1995-11-16

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