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GB2252076B - Noise attenuation panel - Google Patents

Noise attenuation panel

Info

Publication number
GB2252076B
GB2252076B GB9201245A GB9201245A GB2252076B GB 2252076 B GB2252076 B GB 2252076B GB 9201245 A GB9201245 A GB 9201245A GB 9201245 A GB9201245 A GB 9201245A GB 2252076 B GB2252076 B GB 2252076B
Authority
GB
United Kingdom
Prior art keywords
noise attenuation
attenuation panel
panel
noise
attenuation
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 - Fee Related
Application number
GB9201245A
Other versions
GB9201245D0 (en
GB2252076A (en
Inventor
Robert Samuel Wilson
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 PLC
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 PLC filed Critical Short Brothers PLC
Publication of GB9201245D0 publication Critical patent/GB9201245D0/en
Publication of GB2252076A publication Critical patent/GB2252076A/en
Application granted granted Critical
Publication of GB2252076B publication Critical patent/GB2252076B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
GB9201245A 1991-01-22 1992-01-21 Noise attenuation panel Expired - Fee Related GB2252076B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919101354A GB9101354D0 (en) 1991-01-22 1991-01-22 Noise attentuation panel

Publications (3)

Publication Number Publication Date
GB9201245D0 GB9201245D0 (en) 1992-03-11
GB2252076A GB2252076A (en) 1992-07-29
GB2252076B true GB2252076B (en) 1994-11-09

Family

ID=10688799

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919101354A Pending GB9101354D0 (en) 1991-01-22 1991-01-22 Noise attentuation panel
GB9201245A Expired - Fee Related GB2252076B (en) 1991-01-22 1992-01-21 Noise attenuation panel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919101354A Pending GB9101354D0 (en) 1991-01-22 1991-01-22 Noise attentuation panel

Country Status (3)

Country Link
AU (1) AU1166492A (en)
GB (2) GB9101354D0 (en)
WO (1) WO1992012856A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006107533A3 (en) * 2005-04-04 2007-05-31 Hexcel Corp Acoustic septum cap honeycomb

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176964B1 (en) * 1997-10-20 2001-01-23 Vought Aircraft Industries, Inc. Method of fabricating an acoustic liner
FR2781719B1 (en) * 1998-07-30 2000-09-08 Hispano Suiza Sa HONEYCOMB STRUCTURE, IN PARTICULAR FOR SOUND ABSORPTION, AND MANUFACTURING METHOD THEREOF
GB9909581D0 (en) * 1999-04-26 1999-06-23 Short Brothers Plc Noise attenuation panel
FR2815900B1 (en) 2000-10-31 2003-07-18 Eads Airbus Sa NOISE REDUCING SANDWICH PANEL, ESPECIALLY FOR AN AIRCRAFT TURBOREACTOR
EP1495858B1 (en) 2003-07-08 2019-08-07 Airbus Operations GmbH Lightweight material structure made of metal composite material
ATE406998T1 (en) 2003-07-08 2008-09-15 Airbus Gmbh LIGHTWEIGHT STRUCTURE
US8413761B2 (en) * 2005-04-04 2013-04-09 Hexcel Corporation Acoustic honeycomb with perforated septum caps
US7510052B2 (en) * 2005-04-04 2009-03-31 Hexcel Corporation Acoustic septum cap honeycomb
EP2445708A1 (en) 2009-06-24 2012-05-02 Zephyros Inc. Insulating honeycomb panel
US8047329B1 (en) 2010-08-13 2011-11-01 Rohr, Inc. System and method for noise suppression
ITTO20111124A1 (en) * 2011-12-09 2013-06-10 Alenia Aermacchi Spa ELEMENT FOR SOUND ABSORPTION, IN PARTICULAR INTENDED TO BE MOUNTED ON AIRCRAFT COMPONENTS, SUCH AS GONDOLAS ENGINES.
US8733500B1 (en) * 2012-11-12 2014-05-27 Hexcel Corporation Acoustic structure with internal thermal regulators
GB2531808A (en) 2014-11-03 2016-05-04 Short Brothers Plc Methods and precursors for manufacturing a perforated composite part
EP3250623B1 (en) 2015-01-30 2022-07-27 Zephyros Inc. Adhesive material and method of use thereof
EP3253814A1 (en) 2015-02-03 2017-12-13 Zephyros Inc. One part epoxy-based composition
US10443496B2 (en) 2016-07-18 2019-10-15 The Boeing Company Acoustic paneling
US10720135B2 (en) * 2016-07-18 2020-07-21 The Boeing Company Acoustic panels that include multi-layer facesheets
US11396366B2 (en) 2018-09-28 2022-07-26 Rohr, Inc. Active laminar flow control structural plenums fastened
US11414203B2 (en) 2018-09-28 2022-08-16 Rohr, Inc. Active laminar flow control plenum panel arrangement
US11524770B2 (en) 2018-09-28 2022-12-13 Rohr, Inc. Active laminar flow control plenum panel arrangements and installation methods
US11964752B2 (en) * 2021-05-26 2024-04-23 The Boeing Company Acoustically treated landing gear door and method for reducing noise from landing gear of an aircraft

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1463918A (en) * 1974-02-26 1977-02-09 Detude Et De Constr De Moteurs Composite material with acoustic absorption properties
GB1490923A (en) * 1975-06-23 1977-11-02 Short Brothers & Harland Ltd Sound-absorbing structures
GB2019983A (en) * 1978-05-01 1979-11-07 Boeing Co Sound-attenuating panel
GB2098926A (en) * 1981-05-26 1982-12-01 Rolls Royce Honeycomb core with internal septum
US4421201A (en) * 1981-09-29 1983-12-20 The Boeing Company High efficiency broadband acoustic resonator and absorption panel
GB2223448A (en) * 1988-07-25 1990-04-11 Short Brothers Plc Noise attenuation panel.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB750239A (en) * 1953-06-03 1956-06-13 Pritchett & Gold & E P S Co Improvements relating to the production of porous thermoplastic polymers
US4465725A (en) * 1982-07-15 1984-08-14 Rohr Industries, Inc. Noise suppression panel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1463918A (en) * 1974-02-26 1977-02-09 Detude Et De Constr De Moteurs Composite material with acoustic absorption properties
GB1490923A (en) * 1975-06-23 1977-11-02 Short Brothers & Harland Ltd Sound-absorbing structures
GB2019983A (en) * 1978-05-01 1979-11-07 Boeing Co Sound-attenuating panel
GB2098926A (en) * 1981-05-26 1982-12-01 Rolls Royce Honeycomb core with internal septum
US4421201A (en) * 1981-09-29 1983-12-20 The Boeing Company High efficiency broadband acoustic resonator and absorption panel
GB2223448A (en) * 1988-07-25 1990-04-11 Short Brothers Plc Noise attenuation panel.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006107533A3 (en) * 2005-04-04 2007-05-31 Hexcel Corp Acoustic septum cap honeycomb

Also Published As

Publication number Publication date
GB9201245D0 (en) 1992-03-11
WO1992012856A1 (en) 1992-08-06
GB9101354D0 (en) 1991-03-06
GB2252076A (en) 1992-07-29
AU1166492A (en) 1992-08-27

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Legal Events

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

Effective date: 19960121