IT201900004761A1 - Procedimento di fabbricazione di un pannello fonoassorbente con struttura a sandwich per la riduzione dell’impatto sonoro di un motore aeronautico - Google Patents
Procedimento di fabbricazione di un pannello fonoassorbente con struttura a sandwich per la riduzione dell’impatto sonoro di un motore aeronauticoInfo
- Publication number
- IT201900004761A1 IT201900004761A1 IT102019000004761A IT201900004761A IT201900004761A1 IT 201900004761 A1 IT201900004761 A1 IT 201900004761A1 IT 102019000004761 A IT102019000004761 A IT 102019000004761A IT 201900004761 A IT201900004761 A IT 201900004761A IT 201900004761 A1 IT201900004761 A1 IT 201900004761A1
- Authority
- IT
- Italy
- Prior art keywords
- sound
- reduce
- manufacturing process
- sandwich structure
- aircraft engine
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
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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
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- 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
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- 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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102019000004761A IT201900004761A1 (it) | 2019-03-29 | 2019-03-29 | Procedimento di fabbricazione di un pannello fonoassorbente con struttura a sandwich per la riduzione dell’impatto sonoro di un motore aeronautico |
US17/598,534 US20220177152A1 (en) | 2019-03-29 | 2020-03-27 | Method for manufacturing a sound-absorbing sandwich panel for reducing noise 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 |
EP20719722.9A EP3829861B1 (en) | 2019-03-29 | 2020-03-27 | Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine |
SG11202110620QA SG11202110620QA (en) | 2019-03-29 | 2020-03-27 | Method for manufacturing a sound- absorbing sandwich panel for reducing noise of an aircraft engine |
ES20719722T ES2971297T3 (es) | 2019-03-29 | 2020-03-27 | Procedimiento de fabricación de un panel sándwich fonoabsorbente para reducir el ruido de un motor de avión |
CN202080025281.XA CN113677513A (zh) | 2019-03-29 | 2020-03-27 | 用于降低飞行器发动机噪声的吸声夹层板的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102019000004761A IT201900004761A1 (it) | 2019-03-29 | 2019-03-29 | Procedimento di fabbricazione di un pannello fonoassorbente con struttura a sandwich per la riduzione dell’impatto sonoro di un motore aeronautico |
Publications (1)
Publication Number | Publication Date |
---|---|
IT201900004761A1 true IT201900004761A1 (it) | 2020-09-29 |
Family
ID=67108039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT102019000004761A IT201900004761A1 (it) | 2019-03-29 | 2019-03-29 | Procedimento di fabbricazione di un pannello fonoassorbente con struttura a sandwich per la riduzione dell’impatto sonoro di un motore aeronautico |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220177152A1 (it) |
EP (1) | EP3829861B1 (it) |
CN (1) | CN113677513A (it) |
ES (1) | ES2971297T3 (it) |
IT (1) | IT201900004761A1 (it) |
SG (1) | SG11202110620QA (it) |
WO (1) | WO2020201951A1 (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100017474A1 (it) | 2021-07-02 | 2023-01-02 | Leonardo Spa | Procedimento di fabbricazione di un nucleo per pannello fonoassorbente con struttura a sandwich per la riduzione del rumore in un aeromobile |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759513A (en) * | 1986-09-26 | 1988-07-26 | Quiet Nacelle Corporation | Noise reduction nacelle |
US4817756A (en) | 1985-08-26 | 1989-04-04 | Aeronautic Development Corp. Ltd. | Quiet nacelle system and hush kit |
US20050060982A1 (en) | 2003-09-22 | 2005-03-24 | General Electric Company | Method and system for reduction of jet engine noise |
US20050082112A1 (en) | 2003-10-17 | 2005-04-21 | Harrison Geoffrey E. | Annular acoustic panel |
CA2628670A1 (en) * | 2007-04-10 | 2008-10-10 | Rohr, Inc | Acoustic nacelle inlet lip having composite construction and an integral electric ice protection heater disposed therein |
EP2017077A2 (en) * | 2007-07-18 | 2009-01-21 | Alenia Aermacchi S.p.A. | Process for manufacturing a sound-absorbing panel for aircrafts |
US7640961B2 (en) | 2008-03-21 | 2010-01-05 | Rohr, Inc. | Apparatus and method for making a tubular composite barrel |
GB2452476B (en) | 2007-07-19 | 2010-01-20 | Assystem Uk Ltd | Acoustic liner for gas turbine engine and method of manufacture thereof |
US20130075193A1 (en) * | 2010-03-02 | 2013-03-28 | Armando Vavalle | Seamless acoustic liner |
US20150315972A1 (en) | 2014-04-30 | 2015-11-05 | The Boeing Company | Methods and apparatus for noise attenuation in an engine nacelle |
US9194293B2 (en) | 2007-09-18 | 2015-11-24 | Hamilton Sundstrand Corporation | Air inlet noise attenuation assembly |
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WO2018225706A1 (ja) * | 2017-06-07 | 2018-12-13 | 株式会社 Ihi | 吸音パネル及び吸音パネルの製造方法 |
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- 2020-03-27 US US17/598,534 patent/US20220177152A1/en active Pending
- 2020-03-27 ES ES20719722T patent/ES2971297T3/es active Active
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US20220177152A1 (en) | 2022-06-09 |
ES2971297T3 (es) | 2024-06-04 |
CN113677513A (zh) | 2021-11-19 |
SG11202110620QA (en) | 2021-10-28 |
EP3829861A1 (en) | 2021-06-09 |
EP3829861B1 (en) | 2024-01-17 |
WO2020201951A1 (en) | 2020-10-08 |
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