GB2028049B - Sound absorbing resonators - Google Patents

Sound absorbing resonators

Info

Publication number
GB2028049B
GB2028049B GB7926179A GB7926179A GB2028049B GB 2028049 B GB2028049 B GB 2028049B GB 7926179 A GB7926179 A GB 7926179A GB 7926179 A GB7926179 A GB 7926179A GB 2028049 B GB2028049 B GB 2028049B
Authority
GB
United Kingdom
Prior art keywords
sound absorbing
resonators
absorbing resonators
sound
absorbing
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.)
Expired
Application number
GB7926179A
Other versions
GB2028049A (en
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.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Publication of GB2028049A publication Critical patent/GB2028049A/en
Application granted granted Critical
Publication of GB2028049B publication Critical patent/GB2028049B/en
Expired 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)
  • Vibration Prevention Devices (AREA)
  • Microwave Tubes (AREA)
GB7926179A 1978-08-09 1979-07-27 Sound absorbing resonators Expired GB2028049B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834823A DE2834823C2 (en) 1978-08-09 1978-08-09 Volume-changing resonators based on the disc spring principle

Publications (2)

Publication Number Publication Date
GB2028049A GB2028049A (en) 1980-02-27
GB2028049B true GB2028049B (en) 1982-11-24

Family

ID=6046556

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7926179A Expired GB2028049B (en) 1978-08-09 1979-07-27 Sound absorbing resonators

Country Status (4)

Country Link
DE (1) DE2834823C2 (en)
FR (1) FR2433217A2 (en)
GB (1) GB2028049B (en)
IT (1) IT1162762B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947026C2 (en) * 1979-11-22 1981-10-01 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Silators to reduce noise
DE2947256C2 (en) * 1979-11-23 1984-09-13 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Device for reducing exhaust or exhaust noise
DE3020849A1 (en) * 1980-06-02 1981-12-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München SCREENS WITH RESONATORS, IN PARTICULAR SILATORS
DE3020830A1 (en) * 1980-06-02 1981-12-10 Messerschmitt-Bölkow-Blohm GmbH, 8000 München COINCIDENCE SILENCER
DE3241932A1 (en) * 1982-11-12 1984-05-17 Transformatoren Union Ag, 7000 Stuttgart TRANSFORMER WITH OIL-COOLED ACTIVE COMPONENT AND SOUND ABSORBING RESONATORS
DE3317103C2 (en) * 1983-05-10 1986-08-07 Metzeler Kautschuk GmbH, 8000 München Resonant, volume-changing resonator in the form of a silator
DE3347827A1 (en) * 1983-05-10 1985-03-07 Metzeler Kautschuk GmbH, 8000 München Resonating, variable-volume resonator in the form of a silator
DE3330471A1 (en) * 1983-08-24 1985-03-14 Metzeler Kautschuk GmbH, 8000 München Covibrating, variable-volume resonator in the form of a silator
SE441317B (en) * 1984-02-14 1985-09-23 Asea Ab SOUND MUTING DEVICE
EP0521740A1 (en) * 1991-04-25 1993-01-07 Hutchinson Material for acoustic protection and device incorporating such material
US5241512A (en) * 1991-04-25 1993-08-31 Hutchinson 2 Acoustic protection material and apparatus including such material
FR2750527B1 (en) † 1996-06-28 1998-08-21 Bertin & Cie NOISE ABSORPTION STRUCTURES AND WALLS MADE OF SUCH STRUCTURES
DE19802359C2 (en) * 1998-01-22 2001-09-13 Oskar Bschorr Vibration damping or activation method and negative spring therefor
DE19816092A1 (en) * 1998-05-12 1999-11-18 Coldewey Maik Volume-altering resonator component for sound damping
DE19821067C1 (en) * 1998-05-12 1999-11-11 Coldewey Maik Spring plate type resonator used in e.g. ventilation ducts for damping low frequency noise
GB0304867D0 (en) * 2003-03-04 2003-04-09 Rickards M J A sound barrier vacuum panel
JP7310120B2 (en) * 2018-11-05 2023-07-19 ヤマハ株式会社 sound absorbing structure
DE102021000670A1 (en) 2021-02-09 2022-08-11 Thilo Tollkühn Panels for soundproofing and soundproofing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502017A (en) * 1943-12-27 1950-03-28 Rca Corp Suspension means for acoustical absorbers
AU2494471A (en) * 1970-02-04 1972-08-10 Keithroy Morrison Noise suppression means for use on pneumatic tools, machinery and in building construction
DE2235452A1 (en) * 1972-07-20 1974-01-24 Robert Dipl Chem Freund PROCESS FOR SOUND ABSORPTION BY VOLUME CHANGING GASES

Also Published As

Publication number Publication date
FR2433217A2 (en) 1980-03-07
FR2433217B2 (en) 1984-08-17
DE2834823B1 (en) 1979-10-25
IT7924674A0 (en) 1979-07-26
IT1162762B (en) 1987-04-01
DE2834823C2 (en) 1980-07-17
GB2028049A (en) 1980-02-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960727