JP7352925B2 - 圧力変動吸収構造体 - Google Patents

圧力変動吸収構造体 Download PDF

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Publication number
JP7352925B2
JP7352925B2 JP2018226694A JP2018226694A JP7352925B2 JP 7352925 B2 JP7352925 B2 JP 7352925B2 JP 2018226694 A JP2018226694 A JP 2018226694A JP 2018226694 A JP2018226694 A JP 2018226694A JP 7352925 B2 JP7352925 B2 JP 7352925B2
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Japan
Prior art keywords
sound
thin film
sound absorption
panel
pressure fluctuation
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JP2018226694A
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English (en)
Japanese (ja)
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JP2020091324A5 (https=
JP2020091324A (ja
Inventor
達哉 石井
秀司 生沼
健一郎 長井
俊治 榎本
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Japan Aerospace Exploration Agency JAXA
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Japan Aerospace Exploration Agency JAXA
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Priority to JP2018226694A priority Critical patent/JP7352925B2/ja
Priority to PCT/JP2019/033834 priority patent/WO2020115960A1/ja
Publication of JP2020091324A publication Critical patent/JP2020091324A/ja
Publication of JP2020091324A5 publication Critical patent/JP2020091324A5/ja
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    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/40—Sound or heat insulation, e.g. using insulation blankets
    • 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—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
    • 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
    • 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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
JP2018226694A 2018-12-03 2018-12-03 圧力変動吸収構造体 Active JP7352925B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018226694A JP7352925B2 (ja) 2018-12-03 2018-12-03 圧力変動吸収構造体
PCT/JP2019/033834 WO2020115960A1 (ja) 2018-12-03 2019-08-29 圧力変動吸収構造体及び圧力変動抑制用の薄膜

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018226694A JP7352925B2 (ja) 2018-12-03 2018-12-03 圧力変動吸収構造体

Publications (3)

Publication Number Publication Date
JP2020091324A JP2020091324A (ja) 2020-06-11
JP2020091324A5 JP2020091324A5 (https=) 2021-12-02
JP7352925B2 true JP7352925B2 (ja) 2023-09-29

Family

ID=70974931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018226694A Active JP7352925B2 (ja) 2018-12-03 2018-12-03 圧力変動吸収構造体

Country Status (2)

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JP (1) JP7352925B2 (https=)
WO (1) WO2020115960A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022091542A1 (ja) 2020-10-30 2022-05-05 国立研究開発法人宇宙航空研究開発機構 圧力変動吸収構造体
WO2025023267A1 (ja) * 2023-07-27 2025-01-30 株式会社Ihi リブレット付き吸音パネル

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003295867A (ja) 2002-02-01 2003-10-15 Ngk Insulators Ltd 吸音構造体
JP2015007791A (ja) 2008-04-22 2015-01-15 スリーエム イノベイティブ プロパティズ カンパニー 複合吸音シート
JP2016536624A (ja) 2013-09-25 2016-11-24 パナシアン マイクロベント テック（ジアンスー）コーポレーションＰａｎａｓｉａｎ Ｍｉｃｒｏｖｅｎｔ Ｔｅｃｈ（Ｊｉａｎｇｓｕ）Ｃｏｒｐｏｒａｔｉｏｎ 交通音遮断用高吸音複合材料及びその製造方法
JP2016213829A (ja) 2015-04-30 2016-12-15 日東電工株式会社 高分子樹脂フィルムとこれを備える通気膜、通音膜、音響抵抗体、通気膜部材、通音膜部材、音響抵抗体部材および音響機器ならびに高分子樹脂フィルムの製造方法
JP2019028176A (ja) 2017-07-27 2019-02-21 富士フイルム株式会社 防音構造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6182787B1 (en) * 1999-01-12 2001-02-06 General Electric Company Rigid sandwich panel acoustic treatment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003295867A (ja) 2002-02-01 2003-10-15 Ngk Insulators Ltd 吸音構造体
JP2015007791A (ja) 2008-04-22 2015-01-15 スリーエム イノベイティブ プロパティズ カンパニー 複合吸音シート
JP2016536624A (ja) 2013-09-25 2016-11-24 パナシアン マイクロベント テック（ジアンスー）コーポレーションＰａｎａｓｉａｎ Ｍｉｃｒｏｖｅｎｔ Ｔｅｃｈ（Ｊｉａｎｇｓｕ）Ｃｏｒｐｏｒａｔｉｏｎ 交通音遮断用高吸音複合材料及びその製造方法
JP2016213829A (ja) 2015-04-30 2016-12-15 日東電工株式会社 高分子樹脂フィルムとこれを備える通気膜、通音膜、音響抵抗体、通気膜部材、通音膜部材、音響抵抗体部材および音響機器ならびに高分子樹脂フィルムの製造方法
JP2019028176A (ja) 2017-07-27 2019-02-21 富士フイルム株式会社 防音構造

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WO2020115960A1 (ja) 2020-06-11
JP2020091324A (ja) 2020-06-11

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