GB1406844A - Sound absorbing panels - Google Patents

Sound absorbing panels

Info

Publication number
GB1406844A
GB1406844A GB4071972A GB4071972A GB1406844A GB 1406844 A GB1406844 A GB 1406844A GB 4071972 A GB4071972 A GB 4071972A GB 4071972 A GB4071972 A GB 4071972A GB 1406844 A GB1406844 A GB 1406844A
Authority
GB
United Kingdom
Prior art keywords
webs
perforate
facing sheet
ridges
sound
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
GB4071972A
Other languages
English (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.)
Short Brothers PLC
Original Assignee
Short Brothers and Harland Ltd
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 Short Brothers and Harland Ltd filed Critical Short Brothers and Harland Ltd
Priority to GB4071972A priority Critical patent/GB1406844A/en
Priority to DE19732344214 priority patent/DE2344214A1/de
Priority to FR7331775A priority patent/FR2201010A5/fr
Publication of GB1406844A publication Critical patent/GB1406844A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/24—Heat or noise insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB4071972A 1972-09-01 1972-09-01 Sound absorbing panels Expired GB1406844A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4071972A GB1406844A (en) 1972-09-01 1972-09-01 Sound absorbing panels
DE19732344214 DE2344214A1 (de) 1972-09-01 1973-09-01 Schallabsorptionswand fuer gasturbinenmotoren
FR7331775A FR2201010A5 (enrdf_load_stackoverflow) 1972-09-01 1973-09-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4071972A GB1406844A (en) 1972-09-01 1972-09-01 Sound absorbing panels

Publications (1)

Publication Number Publication Date
GB1406844A true GB1406844A (en) 1975-09-17

Family

ID=10416282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4071972A Expired GB1406844A (en) 1972-09-01 1972-09-01 Sound absorbing panels

Country Status (3)

Country Link
DE (1) DE2344214A1 (enrdf_load_stackoverflow)
FR (1) FR2201010A5 (enrdf_load_stackoverflow)
GB (1) GB1406844A (enrdf_load_stackoverflow)

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848597A1 (de) * 1977-11-10 1979-05-17 Elektronikcentralen Schalldaemmendes gebilde
GB2236804A (en) * 1989-07-26 1991-04-17 Anthony Reginald Robins Compound nozzle
GB2340585A (en) * 1998-07-25 2000-02-23 Federal Mogul Sealing Sys Spa Heat shields
EP1098294A3 (de) * 1999-11-02 2001-08-16 CWW-GERKO Akustik GmbH & Co. KG Schalldämmwand und Verwendungen derselben
DE20319319U1 (de) * 2003-12-12 2005-04-28 Carcoustics Tech Center Gmbh Schallabsorbierendes Hitzeschild
ITRM20090259A1 (it) * 2009-05-21 2010-11-22 Consiglio Per La Ricerca E La Speri Mentazione In Lamella per captare liquidi in gocce e banco di prova provvisto di tali lamelle.
WO2011123392A3 (en) * 2010-03-31 2011-11-24 The Boeing Company Unitized engine nacelle structure
GB2494039A (en) * 2011-08-25 2013-02-27 Gen Electric Vibration and sound attenuator for a MRI scanner
US9592918B2 (en) 2014-06-23 2017-03-14 Rohr, Inc. Acoustic liner
RU172257U1 (ru) * 2015-10-02 2017-07-03 Государственное предприятие "Запорожское машиностроительно конструкторское бюро "Прогресс" имени академика А.Г. Ивченко Звукоизоляционная панель газотурбинного двигателя
US9704467B1 (en) 2016-04-15 2017-07-11 Rohr, Inc. Acoustic panel with corrugated baffles and septums
US9761216B2 (en) 2016-02-10 2017-09-12 Rohr, Inc. Acoustic panel with angled corrugated core structures
US9764818B2 (en) 2016-02-10 2017-09-19 Rohr, Inc. Structural, cellular core with corrugated support walls
CN107916992A (zh) * 2016-10-07 2018-04-17 通用电气公司 用于涡轮发动机的撞击力分散组件及其制造方法
US9978354B2 (en) 2016-04-15 2018-05-22 Rohr, Inc. Acoustic panel with vertical stiffeners
US20180142621A1 (en) * 2016-11-18 2018-05-24 Rohr, Inc. Acoustic panel with sidewall stringers
EP3336331A1 (en) * 2016-09-27 2018-06-20 General Electric Company Sound attenuating system for a gas turbine engine
US10316755B2 (en) * 2016-11-18 2019-06-11 Rohr, Inc. Acoustic panel with sidewall stringers
US10414481B2 (en) 2017-02-14 2019-09-17 Rohr, Inc. Method for forming a structural panel
US10436118B2 (en) 2017-06-19 2019-10-08 Rohr, Inc. Acoustic panel with folding chamber
US10525636B2 (en) 2017-06-19 2020-01-07 Rohr, Inc. Process for forming a fiber-reinforced composite structure
US10676171B2 (en) 2017-08-18 2020-06-09 Rohr, Inc. Structural panel with splice joint between adjacent core structures
CN111318856A (zh) * 2018-12-14 2020-06-23 罗尔公司 形成具有一个或多个结构加强件的结构化面板
US10695986B2 (en) 2017-08-22 2020-06-30 Rohr, Inc. Method for forming a structural panel
US10906659B2 (en) 2018-04-03 2021-02-02 Rohr, Inc. Structured panel with structural reinforcement(s)
US10994856B2 (en) 2017-10-16 2021-05-04 Rohr, Inc. Structural panel with splice joint between adjacent core structures
US11242822B2 (en) 2018-12-14 2022-02-08 Rohr, Inc. Structured panel with multi-panel structure(s)
CN114255724A (zh) * 2021-12-31 2022-03-29 南京光声超构材料研究院有限公司 吸隔声结构及装置
US11572850B2 (en) 2019-06-04 2023-02-07 Rohr, Inc. Acoustic panel with one or more structural stiffeners
US11600255B2 (en) 2020-12-22 2023-03-07 Rohr, Inc. Acoustic panel core with multi-material and/or multi-layered construction
EP4159997A3 (en) * 2021-09-13 2023-06-14 Rohr, Inc. Low-frequency acoustic center body
US12163472B2 (en) 2022-09-02 2024-12-10 Rohr, Inc. Engine exhaust nozzle with acoustic attenuation
US12319425B2 (en) 2022-01-04 2025-06-03 Rohr, Inc. Multi-core acoustic panel for an aircraft propulsion system

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2090334B (en) * 1980-12-29 1983-11-16 Rolls Royce Damping flutter of ducted fans
FR2498793A1 (fr) * 1981-01-29 1982-07-30 Snecma Garniture insonorisante pour conduit de gaz notamment pour veine de soufflante de turboreacteur et outillage pour sa fabrication
WO1991001034A2 (en) * 1989-06-26 1991-01-24 Grumman Aerospace Corporation An acoustic liner
DE4131777A1 (de) * 1991-09-24 1993-03-25 Linde Ag Fluiddurchstroemter schalldaempfer
FR2951854B1 (fr) * 2009-10-22 2014-09-12 Onera (Off Nat Aerospatiale) Dispositif d'absorption acoustique
CN105469781A (zh) * 2014-09-04 2016-04-06 北京市劳动保护科学研究所 一种复合吸声结构

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2848597A1 (de) * 1977-11-10 1979-05-17 Elektronikcentralen Schalldaemmendes gebilde
GB2236804A (en) * 1989-07-26 1991-04-17 Anthony Reginald Robins Compound nozzle
GB2340585A (en) * 1998-07-25 2000-02-23 Federal Mogul Sealing Sys Spa Heat shields
GB2340585B (en) * 1998-07-25 2002-06-12 Federal Mogul Sealing Sys Spa Heat shields
EP1098294A3 (de) * 1999-11-02 2001-08-16 CWW-GERKO Akustik GmbH & Co. KG Schalldämmwand und Verwendungen derselben
DE20319319U1 (de) * 2003-12-12 2005-04-28 Carcoustics Tech Center Gmbh Schallabsorbierendes Hitzeschild
ITRM20090259A1 (it) * 2009-05-21 2010-11-22 Consiglio Per La Ricerca E La Speri Mentazione In Lamella per captare liquidi in gocce e banco di prova provvisto di tali lamelle.
CN105539858A (zh) * 2010-03-31 2016-05-04 波音公司 发动机短舱、装配筒体结构的方法及构造发动机短舱的内筒结构的方法
WO2011123392A3 (en) * 2010-03-31 2011-11-24 The Boeing Company Unitized engine nacelle structure
EP3075660A1 (en) * 2010-03-31 2016-10-05 The Boeing Company Unitized engine nacelle structure
US8220588B2 (en) 2010-03-31 2012-07-17 The Boeing Company Unitized engine nacelle structure
GB2494039A (en) * 2011-08-25 2013-02-27 Gen Electric Vibration and sound attenuator for a MRI scanner
GB2494039B (en) * 2011-08-25 2018-08-08 Gen Electric Apparatus and method to attenuate vibration and acoustic noise
US9592918B2 (en) 2014-06-23 2017-03-14 Rohr, Inc. Acoustic liner
RU172257U1 (ru) * 2015-10-02 2017-07-03 Государственное предприятие "Запорожское машиностроительно конструкторское бюро "Прогресс" имени академика А.Г. Ивченко Звукоизоляционная панель газотурбинного двигателя
EP3205574A3 (en) * 2016-02-10 2017-11-22 Rohr, Inc. Structural, cellular core with corrugated support walls
US9761216B2 (en) 2016-02-10 2017-09-12 Rohr, Inc. Acoustic panel with angled corrugated core structures
US9764818B2 (en) 2016-02-10 2017-09-19 Rohr, Inc. Structural, cellular core with corrugated support walls
US9704467B1 (en) 2016-04-15 2017-07-11 Rohr, Inc. Acoustic panel with corrugated baffles and septums
EP3232435A1 (en) * 2016-04-15 2017-10-18 Rohr, Inc. Acoustic panel with corrugated baffles and septums
US9978354B2 (en) 2016-04-15 2018-05-22 Rohr, Inc. Acoustic panel with vertical stiffeners
EP3336331A1 (en) * 2016-09-27 2018-06-20 General Electric Company Sound attenuating system for a gas turbine engine
CN107916992A (zh) * 2016-10-07 2018-04-17 通用电气公司 用于涡轮发动机的撞击力分散组件及其制造方法
US20180142621A1 (en) * 2016-11-18 2018-05-24 Rohr, Inc. Acoustic panel with sidewall stringers
US10309305B2 (en) * 2016-11-18 2019-06-04 Rohr, Inc. Acoustic panel with sidewall stringers
US10316755B2 (en) * 2016-11-18 2019-06-11 Rohr, Inc. Acoustic panel with sidewall stringers
US10414481B2 (en) 2017-02-14 2019-09-17 Rohr, Inc. Method for forming a structural panel
US10436118B2 (en) 2017-06-19 2019-10-08 Rohr, Inc. Acoustic panel with folding chamber
US10525636B2 (en) 2017-06-19 2020-01-07 Rohr, Inc. Process for forming a fiber-reinforced composite structure
US10676171B2 (en) 2017-08-18 2020-06-09 Rohr, Inc. Structural panel with splice joint between adjacent core structures
US10695986B2 (en) 2017-08-22 2020-06-30 Rohr, Inc. Method for forming a structural panel
US10994856B2 (en) 2017-10-16 2021-05-04 Rohr, Inc. Structural panel with splice joint between adjacent core structures
US10906659B2 (en) 2018-04-03 2021-02-02 Rohr, Inc. Structured panel with structural reinforcement(s)
CN111318856A (zh) * 2018-12-14 2020-06-23 罗尔公司 形成具有一个或多个结构加强件的结构化面板
US11242822B2 (en) 2018-12-14 2022-02-08 Rohr, Inc. Structured panel with multi-panel structure(s)
US11398214B2 (en) 2018-12-14 2022-07-26 Rohr, Inc. Forming a structured panel with one or more structural reinforcements
CN111318856B (zh) * 2018-12-14 2024-11-19 罗尔公司 形成具有一个或多个结构加强件的结构化面板
US11572850B2 (en) 2019-06-04 2023-02-07 Rohr, Inc. Acoustic panel with one or more structural stiffeners
US11600255B2 (en) 2020-12-22 2023-03-07 Rohr, Inc. Acoustic panel core with multi-material and/or multi-layered construction
EP4159997A3 (en) * 2021-09-13 2023-06-14 Rohr, Inc. Low-frequency acoustic center body
US12078125B2 (en) 2021-09-13 2024-09-03 Rohr, Inc. Low-frequency acoustic center body
US12116955B2 (en) 2021-09-13 2024-10-15 Rohr, Inc. Low-frequency acoustic center body
CN114255724A (zh) * 2021-12-31 2022-03-29 南京光声超构材料研究院有限公司 吸隔声结构及装置
US12319425B2 (en) 2022-01-04 2025-06-03 Rohr, Inc. Multi-core acoustic panel for an aircraft propulsion system
US12163472B2 (en) 2022-09-02 2024-12-10 Rohr, Inc. Engine exhaust nozzle with acoustic attenuation

Also Published As

Publication number Publication date
FR2201010A5 (enrdf_load_stackoverflow) 1974-04-19
DE2344214A1 (de) 1974-03-14

Similar Documents

Publication Publication Date Title
GB1406844A (en) Sound absorbing panels
US4135603A (en) Sound suppressor liners
GB1456302A (en) Sound suppressing panels
US4433751A (en) Sound suppressor liner
US4231447A (en) Multi-layer acoustic linings
US4287962A (en) Packless silencer
US4298090A (en) Multi-layer acoustic linings
US4421201A (en) High efficiency broadband acoustic resonator and absorption panel
GB1429240A (en) Acoustic damping and cooling of exhaust ducts for example of gas turbine jet engines
JPS6038717B2 (ja) 吸音パネル
GB1210205A (en) Improvements in sound absorbing structure
GB1369345A (en) Sound absorption structure
GB1520720A (en) Sound-suppressing structures with thermal relief
CN209875570U (zh) 降噪装置及燃气热水器
JPH0578040B2 (enrdf_load_stackoverflow)
US3286786A (en) Gas turbine exhaust silencer and acoustical material therefor
GB2024380A (en) Acoustic linings for fluid flow ducts
US2904125A (en) Straight through silencer
JPH07139429A (ja) ジェットエンジン用の騒音抑止装置に使用される騒音抑止要素
KR100835709B1 (ko) 엔진 배기가스용 소음기
US3709319A (en) Resonator chamber silencer for gas turbine
JPS595764B2 (ja) 消音装置
SU1629576A1 (ru) Глушитель шума
CN204225958U (zh) 一种新型级联式抗性消声器
SU1368451A1 (ru) Глушитель шума

Legal Events

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