JP5813290B2 - 吸音構造 - Google Patents
吸音構造 Download PDFInfo
- Publication number
- JP5813290B2 JP5813290B2 JP2010040942A JP2010040942A JP5813290B2 JP 5813290 B2 JP5813290 B2 JP 5813290B2 JP 2010040942 A JP2010040942 A JP 2010040942A JP 2010040942 A JP2010040942 A JP 2010040942A JP 5813290 B2 JP5813290 B2 JP 5813290B2
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- Prior art keywords
- sound
- base material
- sound absorbing
- absorbing base
- absorbing
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
さらに、ウレタンフォームも良く使われる吸音母材であるが、製造上の特性として、吸音性能のバラツキが多く、長期耐久性の点では十分とはいえない。
実施例2
実施例3
2・・チャンネル材、
3・・空気室、
4・・閉鎖プレート(シート)、
10・・アダプタ、
11、12・・ストッパー、
13・・空気室、
A、B、C・・実施例1、2、3における残響室法吸音率を示すグラフ。
Claims (3)
- 音波の入射に対向する多孔質吸音母材と、
断面コ字状で開口面が前記多孔質吸音母材の側面に沿って配置された枠材と、
前記開口面を前記多孔質吸音母材の側面で塞ぐことにより形成され、前記多孔質吸音母材の面内方向に沿った長さが、前記音波の入射方向に沿った長さに対して2/5〜5/2の空気室と、
を備えた吸音構造。 - 前記枠材の内側には、前記開口面に嵌め込まれた前記多孔質吸音母材を固定するストッパーが備えられている請求項1に記載の吸音構造。
- 前記多孔質吸音母材が、ポリエステル繊維系不織材である請求項1又は2に記載の吸音構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010040942A JP5813290B2 (ja) | 2010-02-25 | 2010-02-25 | 吸音構造 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2010040942A JP5813290B2 (ja) | 2010-02-25 | 2010-02-25 | 吸音構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011175202A JP2011175202A (ja) | 2011-09-08 |
JP5813290B2 true JP5813290B2 (ja) | 2015-11-17 |
Family
ID=44688078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010040942A Active JP5813290B2 (ja) | 2010-02-25 | 2010-02-25 | 吸音構造 |
Country Status (1)
Country | Link |
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JP (1) | JP5813290B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6791620B2 (ja) * | 2015-08-25 | 2020-11-25 | 東急建設株式会社 | 吸音構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3522583B2 (ja) * | 1999-04-26 | 2004-04-26 | 株式会社鐡工社ブル | 吸音パネル |
JP4768428B2 (ja) * | 2005-12-12 | 2011-09-07 | Necディスプレイソリューションズ株式会社 | 消音装置、電子機器 |
JP2008114697A (ja) * | 2006-11-02 | 2008-05-22 | Toyota Motor Corp | 車両用防音構造 |
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2010
- 2010-02-25 JP JP2010040942A patent/JP5813290B2/ja active Active
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JP2011175202A (ja) | 2011-09-08 |
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