FR2300384A1 - Absorbeur acoustique a double bande - Google Patents

Absorbeur acoustique a double bande

Info

Publication number
FR2300384A1
FR2300384A1 FR7503930A FR7503930A FR2300384A1 FR 2300384 A1 FR2300384 A1 FR 2300384A1 FR 7503930 A FR7503930 A FR 7503930A FR 7503930 A FR7503930 A FR 7503930A FR 2300384 A1 FR2300384 A1 FR 2300384A1
Authority
FR
France
Prior art keywords
laminar
horn
honeycomb
sound absorbing
absorbing panel
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Withdrawn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
FR7503930A
Other languages
English (en)
Inventor
Leslie Spencer Wirt
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.)
Lockheed Corp
Original Assignee
Lockheed Aircraft Corp
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 Lockheed Aircraft Corp filed Critical Lockheed Aircraft Corp
Priority to FR7503930A priority Critical patent/FR2300384A1/fr
Publication of FR2300384A1 publication Critical patent/FR2300384A1/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Withdrawn legal-status Critical Current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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR7503930A 1975-02-07 1975-02-07 Absorbeur acoustique a double bande Withdrawn FR2300384A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7503930A FR2300384A1 (fr) 1975-02-07 1975-02-07 Absorbeur acoustique a double bande

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7503930A FR2300384A1 (fr) 1975-02-07 1975-02-07 Absorbeur acoustique a double bande

Publications (1)

Publication Number Publication Date
FR2300384A1 true FR2300384A1 (fr) 1976-09-03

Family

ID=9150945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7503930A Withdrawn FR2300384A1 (fr) 1975-02-07 1975-02-07 Absorbeur acoustique a double bande

Country Status (1)

Country Link
FR (1) FR2300384A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317504A1 (fr) * 1975-06-23 1977-02-04 Short Brothers & Harland Ltd Structure absorbant les sons et moteur a turbine a gaz comprenant une telle structure
FR2362461A1 (fr) * 1976-08-19 1978-03-17 United Technologies Corp Revetements acoustiques pour absorber les sons
EP0086184A2 (fr) * 1982-02-03 1983-08-17 Krister Amnéus Dispositif d'amortissement sonore
DE3504208A1 (de) * 1985-02-07 1986-08-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Schalldaempfer-box
EP0337077A1 (fr) * 1988-04-13 1989-10-18 Deutsche Aerospace AG Dispositif d'amortissement des vibrations acoustiques et des corps solides
EP0585772A1 (fr) * 1992-08-27 1994-03-09 ABBPATENT GmbH Réduction du bruit émis pour des transformateurs
FR2865309A1 (fr) * 2004-01-15 2005-07-22 Hurel Hispano Peau perforee pour element acoustique, element acoustique et procede de fabrication
EP3450738A1 (fr) * 2017-08-29 2019-03-06 MRA Systems, LLC Garniture acoustique ayant une structure interne
IT202200002072A1 (it) * 2022-02-04 2022-05-04 Mattia Giannaccari Piastra forata schermante lo scafo strutturale di un veicolo sottoposto a un’onda d’urto ad alta velocità

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317504A1 (fr) * 1975-06-23 1977-02-04 Short Brothers & Harland Ltd Structure absorbant les sons et moteur a turbine a gaz comprenant une telle structure
FR2362461A1 (fr) * 1976-08-19 1978-03-17 United Technologies Corp Revetements acoustiques pour absorber les sons
EP0086184A2 (fr) * 1982-02-03 1983-08-17 Krister Amnéus Dispositif d'amortissement sonore
EP0086184A3 (fr) * 1982-02-03 1984-05-02 Krister Amnéus Dispositif d'amortissement sonore
DE3504208A1 (de) * 1985-02-07 1986-08-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Schalldaempfer-box
WO1986004668A1 (fr) * 1985-02-07 1986-08-14 Fraunhofer-Gesellschaft Zur Förderung Der Angewand Boite anti-bruits
US4787473A (en) * 1985-02-07 1988-11-29 Fraunhofer Gesellschaft Sound attenuating box
EP0337077A1 (fr) * 1988-04-13 1989-10-18 Deutsche Aerospace AG Dispositif d'amortissement des vibrations acoustiques et des corps solides
EP0585772A1 (fr) * 1992-08-27 1994-03-09 ABBPATENT GmbH Réduction du bruit émis pour des transformateurs
FR2865309A1 (fr) * 2004-01-15 2005-07-22 Hurel Hispano Peau perforee pour element acoustique, element acoustique et procede de fabrication
WO2005073956A1 (fr) * 2004-01-15 2005-08-11 Aircelle Peau perforee pour element acoustique, element acoustique et procede de fabrication
EP3450738A1 (fr) * 2017-08-29 2019-03-06 MRA Systems, LLC Garniture acoustique ayant une structure interne
CN111099010A (zh) * 2017-08-29 2020-05-05 Mra系统有限责任公司 声衬及其形成方法、以及具有声衬的飞行器发动机组件
US10851713B2 (en) 2017-08-29 2020-12-01 Mra Systems, Llc. Acoustic liner having internal structure
CN111099010B (zh) * 2017-08-29 2023-11-10 Mra系统有限责任公司 声衬及其形成方法、以及具有声衬的飞行器发动机组件
IT202200002072A1 (it) * 2022-02-04 2022-05-04 Mattia Giannaccari Piastra forata schermante lo scafo strutturale di un veicolo sottoposto a un’onda d’urto ad alta velocità

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Legal Events

Date Code Title Description
ST Notification of lapse