IT960888B - Dispositivo di insonorizzazione per condotti percorsi da flussi gassosi particolarmente per motori di aviogetti - Google Patents

Dispositivo di insonorizzazione per condotti percorsi da flussi gassosi particolarmente per motori di aviogetti

Info

Publication number
IT960888B
IT960888B IT67727/72A IT6772772A IT960888B IT 960888 B IT960888 B IT 960888B IT 67727/72 A IT67727/72 A IT 67727/72A IT 6772772 A IT6772772 A IT 6772772A IT 960888 B IT960888 B IT 960888B
Authority
IT
Italy
Prior art keywords
ducts
traveling
jet engines
soundproofing device
gaseous flows
Prior art date
Application number
IT67727/72A
Other languages
English (en)
Italian (it)
Inventor
A Labussiere
Original Assignee
Dassault Avions
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 Dassault Avions filed Critical Dassault Avions
Application granted granted Critical
Publication of IT960888B publication Critical patent/IT960888B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • E04C2/365—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels by honeycomb structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/827—Sound absorbing structures or liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/024—Honeycomb
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B2001/742—Use of special materials; Materials having special structures or shape
    • E04B2001/748—Honeycomb materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
IT67727/72A 1971-03-09 1972-03-08 Dispositivo di insonorizzazione per condotti percorsi da flussi gassosi particolarmente per motori di aviogetti IT960888B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7108094A FR2128939A5 (enrdf_load_stackoverflow) 1971-03-09 1971-03-09

Publications (1)

Publication Number Publication Date
IT960888B true IT960888B (it) 1973-11-30

Family

ID=9073196

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67727/72A IT960888B (it) 1971-03-09 1972-03-08 Dispositivo di insonorizzazione per condotti percorsi da flussi gassosi particolarmente per motori di aviogetti

Country Status (5)

Country Link
DE (1) DE2211051B2 (enrdf_load_stackoverflow)
FR (1) FR2128939A5 (enrdf_load_stackoverflow)
GB (1) GB1373063A (enrdf_load_stackoverflow)
IT (1) IT960888B (enrdf_load_stackoverflow)
NL (1) NL7202982A (enrdf_load_stackoverflow)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135603A (en) * 1976-08-19 1979-01-23 United Technologies Corporation Sound suppressor liners
US4197341A (en) * 1977-03-04 1980-04-08 Hexcel Corporation Cellular core structural panel components, structural panel formed therefrom and method of making
US4291079A (en) * 1979-12-12 1981-09-22 Rohr Industries, Inc. Method of manufacturing a honeycomb noise attenuation structure and the structure resulting therefrom
US4421811A (en) * 1979-12-21 1983-12-20 Rohr Industries, Inc. Method of manufacturing double layer attenuation panel with two layers of linear type material
US4485568A (en) * 1983-03-25 1984-12-04 Landi Curtis L Insole
DE3324369A1 (de) * 1983-07-06 1985-01-17 Robertson GAL Gesellschaft für angewandte Lufttechnik mbH & Co. KG, 4052 Korschenbroich Dachentluefter
EP0572725A1 (en) * 1992-06-03 1993-12-08 Fokker Aircraft B.V. Sound attenuating liner
ATE189160T1 (de) * 1992-08-03 2000-02-15 Supracor Inc Perforierter wabenkörper
EP0702141B1 (en) * 1994-09-14 2002-05-08 Mitsubishi Jukogyo Kabushiki Kaisha Wall assembly for an exhaust gas nozzle of a supersonic jet engine
FR2752392B1 (fr) * 1996-08-14 1999-04-23 Hispano Suiza Sa Panneau sandwich en nid d'abeille ventile et procede de ventilation d'un tel panneau
US6586072B1 (en) 1998-05-22 2003-07-01 Rieter Automotive (International) Ag Acoustically effective insulating lining for motor vehicles
DE102006023294A1 (de) * 2006-05-18 2007-11-22 Airbus Deutschland Gmbh Verbundplatte und Verfahren zum Drainieren einer Verbundplatte
DE102007060662B4 (de) 2007-12-17 2014-07-24 Airbus Operations Gmbh Flugzeugkabinenpaneel
DE102008063923A1 (de) 2008-12-19 2010-06-24 Airbus Deutschland Gmbh Mehrschichtplatte zur Schalldämmung
WO2011010115A1 (en) * 2009-07-24 2011-01-27 Viig Limited Improved panel
ITMI20100293U1 (it) * 2010-09-22 2012-03-23 Donati Group S P A Pannello composito strutturale metallico fonoassorbente
CN104896713B (zh) * 2015-05-26 2017-07-18 广东美的制冷设备有限公司 空调器的降噪件和空调器
DE102016118583A1 (de) 2016-09-30 2018-04-05 Bayerische Motoren Werke Aktiengesellschaft Belüftungseinrichtung zur Belüftung eines Innenraums eines Kraftfahrzeugs
FR3065472B1 (fr) * 2017-04-25 2019-05-03 Airbus Operations Panneau pour le traitement acoustique comprenant une structure acoustiquement resistive poreuse comportant des canaux de connexion
FR3070674B1 (fr) * 2017-09-06 2019-09-13 Safran Nacelles Integration a la levre acoustique degivree
US11286859B2 (en) 2018-08-09 2022-03-29 General Electric Company Acoustic panel and method for making the same
CN108999733A (zh) * 2018-09-18 2018-12-14 西安飞豹科技有限公司 一种蜂窝夹层消音结构及apu用消音装置
FR3095671B1 (fr) * 2019-04-30 2022-07-29 Safran Aircraft Engines Intégration d’un amortisseur de flottement fan dans un carter moteur
EP4411726A1 (fr) * 2023-01-31 2024-08-07 Airbus SAS Structure alvéolaire d'un panneau d atténuation acoustique comprenant au moins une cloison configurée pour vibrer à une fréquence souhaitée, procédé de fabrication de ladite structure alvéolaire
CN116791812A (zh) * 2023-06-25 2023-09-22 北京市科学技术研究院城市安全与环境科学研究所 一种分布式通风隔声板及其加工方法
WO2025132953A1 (en) * 2023-12-19 2025-06-26 Lilium GmbH Acoustic liner for an engine of a vertical take-off and landing aircraft

Also Published As

Publication number Publication date
GB1373063A (en) 1974-11-06
NL7202982A (enrdf_load_stackoverflow) 1972-09-12
DE2211051B2 (de) 1976-01-02
DE2211051A1 (de) 1972-10-26
FR2128939A5 (enrdf_load_stackoverflow) 1972-10-27

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