SG11202110620QA - Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine - Google Patents

Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine

Info

Publication number
SG11202110620QA
SG11202110620QA SG11202110620QA SG11202110620QA SG11202110620QA SG 11202110620Q A SG11202110620Q A SG 11202110620QA SG 11202110620Q A SG11202110620Q A SG 11202110620QA SG 11202110620Q A SG11202110620Q A SG 11202110620QA SG 11202110620Q A SG11202110620Q A SG 11202110620QA
Authority
SG
Singapore
Prior art keywords
sound
manufacturing
aircraft engine
reducing noise
sandwich panel
Prior art date
Application number
SG11202110620QA
Inventor
Marco Vercellesi
Original Assignee
Leonardo Spa
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 Leonardo Spa filed Critical Leonardo Spa
Publication of SG11202110620QA publication Critical patent/SG11202110620QA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings
    • B29D99/0021—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings provided with plain or filled structures, e.g. cores, placed between two or more plates or sheets, e.g. in a matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B32B15/08—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 of synthetic resin
    • B32B15/085—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 of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/088—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 of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0206—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
SG11202110620QA 2019-03-29 2020-03-27 Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine SG11202110620QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000004761A IT201900004761A1 (en) 2019-03-29 2019-03-29 Manufacturing process of a sound-absorbing panel with a sandwich structure to reduce the sound impact of an aircraft engine
PCT/IB2020/052900 WO2020201951A1 (en) 2019-03-29 2020-03-27 Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine

Publications (1)

Publication Number Publication Date
SG11202110620QA true SG11202110620QA (en) 2021-10-28

Family

ID=67108039

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202110620QA SG11202110620QA (en) 2019-03-29 2020-03-27 Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine

Country Status (7)

Country Link
US (1) US20220177152A1 (en)
EP (1) EP3829861B1 (en)
CN (1) CN113677513A (en)
ES (1) ES2971297T3 (en)
IT (1) IT201900004761A1 (en)
SG (1) SG11202110620QA (en)
WO (1) WO2020201951A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100017474A1 (en) 2021-07-02 2023-01-02 Leonardo Spa Manufacturing process of a sound-absorbing panel core with sandwich structure for noise reduction in an aircraft

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US4759513A (en) * 1986-09-26 1988-07-26 Quiet Nacelle Corporation Noise reduction nacelle
GB0016149D0 (en) * 2000-06-30 2000-08-23 Short Brothers Plc A noise attenuation panel
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US6920958B2 (en) 2003-10-17 2005-07-26 The Boeing Company Annular acoustic panel
CA2628670C (en) * 2007-04-10 2011-06-14 Rohr, Inc Acoustic nacelle inlet lip having composite construction and an integral electric ice protection heater disposed therein
ITMI20071448A1 (en) * 2007-07-18 2009-01-19 Alenia Aermacchi Spa PROCEDURE FOR THE REALIZATION OF A SOUND ABSORBING PANEL FOR VEHICLES
GB2452476B (en) 2007-07-19 2010-01-20 Assystem Uk Ltd Acoustic liner for gas turbine engine and method of manufacture thereof
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US7640961B2 (en) 2008-03-21 2010-01-05 Rohr, Inc. Apparatus and method for making a tubular composite barrel
GB2478312B (en) * 2010-03-02 2012-08-22 Gkn Aerospace Services Ltd Seamless acoustic liner
US8763753B2 (en) * 2012-02-10 2014-07-01 General Electric Company Acoustic panel and method of forming
US9604438B2 (en) 2014-04-30 2017-03-28 The Boeing Company Methods and apparatus for noise attenuation in an engine nacelle
US9856030B2 (en) 2014-11-26 2018-01-02 Rohr, Inc. Acoustic attenuation with adaptive impedance
CN105346152A (en) 2015-12-11 2016-02-24 中国飞机强度研究所 Engine nacelle acoustic liner
US10443496B2 (en) * 2016-07-18 2019-10-15 The Boeing Company Acoustic paneling
CA3065742A1 (en) * 2017-06-07 2018-12-13 Ihi Corporation Sound-absorbing panel and manufacturing method for same

Also Published As

Publication number Publication date
ES2971297T3 (en) 2024-06-04
WO2020201951A1 (en) 2020-10-08
IT201900004761A1 (en) 2020-09-29
EP3829861B1 (en) 2024-01-17
EP3829861A1 (en) 2021-06-09
US20220177152A1 (en) 2022-06-09
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