JP2019148266A5 - - Google Patents
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- Publication number
- JP2019148266A5 JP2019148266A5 JP2018031578A JP2018031578A JP2019148266A5 JP 2019148266 A5 JP2019148266 A5 JP 2019148266A5 JP 2018031578 A JP2018031578 A JP 2018031578A JP 2018031578 A JP2018031578 A JP 2018031578A JP 2019148266 A5 JP2019148266 A5 JP 2019148266A5
- Authority
- JP
- Japan
- Prior art keywords
- perforated plate
- noise reduction
- fluid
- reduction device
- flow
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims 10
- 238000011144 upstream manufacturing Methods 0.000 claims 4
- 238000000034 method Methods 0.000 claims 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018031578A JP6631977B2 (ja) | 2018-02-26 | 2018-02-26 | 騒音低減装置、航空機及び騒音低減方法 |
| US16/976,020 US11577823B2 (en) | 2018-02-26 | 2019-01-23 | Noise reduction apparatus, aircraft, and noise reduction method |
| EP19756790.2A EP3760882B1 (en) | 2018-02-26 | 2019-01-23 | Noise reducing device, aircraft, and noise reduction method |
| PCT/JP2019/002065 WO2019163379A1 (ja) | 2018-02-26 | 2019-01-23 | 騒音低減装置、航空機及び騒音低減方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018031578A JP6631977B2 (ja) | 2018-02-26 | 2018-02-26 | 騒音低減装置、航空機及び騒音低減方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019148266A JP2019148266A (ja) | 2019-09-05 |
| JP2019148266A5 true JP2019148266A5 (cg-RX-API-DMAC7.html) | 2019-10-17 |
| JP6631977B2 JP6631977B2 (ja) | 2020-01-15 |
Family
ID=67687630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018031578A Active JP6631977B2 (ja) | 2018-02-26 | 2018-02-26 | 騒音低減装置、航空機及び騒音低減方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11577823B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP3760882B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6631977B2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2019163379A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11485471B2 (en) * | 2017-08-25 | 2022-11-01 | United States Of America As Represented By The Administrator Of Nasa | Application of leading edge serration and trailing edge foam for undercarriage wheel cavity noise reduction |
| EP3560826B1 (en) * | 2018-04-25 | 2022-11-30 | Safran Landing Systems UK Ltd | Noise reduction fairing |
| DE102020128400B3 (de) * | 2020-10-28 | 2022-01-27 | Airbus Defence and Space GmbH | Strömungskörper für ein Fahrzeug und Verfahren zum Herstellen eines Strömungskörpers |
| CN114462257B (zh) * | 2022-04-11 | 2023-01-31 | 中国空气动力研究与发展中心计算空气动力研究所 | 一种航空飞机起落架舱流动振荡控制方法 |
| GB2633083A (en) * | 2023-09-01 | 2025-03-05 | Safran Landing Systems Uk Ltd | Aircraft landing gear assembly |
| GB2638447A (en) * | 2024-02-23 | 2025-08-27 | Safran Landing Systems Uk Ltd | Aircraft Landing Gear Assembly |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003219506A (ja) * | 2002-01-22 | 2003-07-31 | Central Japan Railway Co | パンタグラフの騒音低減方法とパンタグラフカバー装置 |
| GB0225517D0 (en) | 2002-11-01 | 2002-12-11 | Airbus Uk Ltd | Landing gear |
| US7954757B2 (en) * | 2004-03-29 | 2011-06-07 | Goodrich Corporation | Landing gear noise attenuation |
| FR2913948B1 (fr) * | 2007-03-23 | 2009-04-24 | Airbus France Sas | Train d'atterrissage d'avion pourvu d'au moins au moyen de reduction de bruit |
| JP5185871B2 (ja) | 2009-03-30 | 2013-04-17 | 一般社団法人日本航空宇宙工業会 | 飛行体の騒音低減方法、飛行体の脚部構造及び飛行体 |
| SE535926C2 (sv) * | 2011-05-05 | 2013-02-19 | Scania Cv Ab | Anordning för dämpning av ljud och motorfordon innefattande en sådan anordning |
| GB2494219B (en) | 2012-02-06 | 2013-10-16 | Messier Dowty Ltd | A fairing |
| GB2514453B (en) * | 2013-03-15 | 2015-07-22 | Bae Systems Plc | Cavity acoustic tones suppression |
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2018
- 2018-02-26 JP JP2018031578A patent/JP6631977B2/ja active Active
-
2019
- 2019-01-23 EP EP19756790.2A patent/EP3760882B1/en active Active
- 2019-01-23 WO PCT/JP2019/002065 patent/WO2019163379A1/ja not_active Ceased
- 2019-01-23 US US16/976,020 patent/US11577823B2/en active Active