BE840537A - Attenuation acoustique, inserable notamment dans un conduit d'air - Google Patents
Attenuation acoustique, inserable notamment dans un conduit d'airInfo
- Publication number
- BE840537A BE840537A BE165973A BE165973A BE840537A BE 840537 A BE840537 A BE 840537A BE 165973 A BE165973 A BE 165973A BE 165973 A BE165973 A BE 165973A BE 840537 A BE840537 A BE 840537A
- Authority
- BE
- Belgium
- Prior art keywords
- inserable
- air duct
- acoustic attenuation
- attenuation
- acoustic
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02736—Throttle passages using transversal baffles defining a tortuous path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
- Air-Flow Control Members (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7511416A FR2307330A1 (fr) | 1975-04-11 | 1975-04-11 | Attenuateur acoustique, inserable notamment dans un conduit d'air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE840537A true BE840537A (fr) | 1976-10-08 |
Family
ID=9153836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE165973A BE840537A (fr) | 1975-04-11 | 1976-04-08 | Attenuation acoustique, inserable notamment dans un conduit d'air |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE840537A (fr) |
| ES (1) | ES446879A1 (fr) |
| FR (1) | FR2307330A1 (fr) |
| GB (1) | GB1536164A (fr) |
| IE (1) | IE42550B1 (fr) |
| IT (1) | IT1058802B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800517A (zh) * | 2018-08-29 | 2018-11-13 | 正升环境科技股份有限公司 | 扩散共振消声装置及通风通道消声系统 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5189972B2 (ja) * | 2005-03-18 | 2013-04-24 | チューメイン エンタープライジズ リミテッド | 音減衰流路デバイス |
| WO2022080204A1 (fr) * | 2020-10-16 | 2022-04-21 | 株式会社日立産機システム | Compresseur de type boîtier |
| CN112555556A (zh) * | 2020-10-27 | 2021-03-26 | 中国原子能科学研究院 | 一种倒齿型节流件 |
| CN114440045B (zh) * | 2022-03-08 | 2025-01-07 | 公元股份有限公司 | 一种立管的降噪消能器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR921160A (fr) * | 1945-10-31 | 1947-04-29 | Travaux Souterrains | Canal perfectionné d'insonorisation |
| CH335132A (fr) * | 1951-08-30 | 1958-12-31 | Canadian Patents Dev | Installation pour amortir le bruit engendré par un jet de gaz s'échappant d'une tuyère |
-
1975
- 1975-04-11 FR FR7511416A patent/FR2307330A1/fr active Granted
-
1976
- 1976-04-08 BE BE165973A patent/BE840537A/fr unknown
- 1976-04-08 IE IE73576A patent/IE42550B1/en unknown
- 1976-04-09 IT IT6784076A patent/IT1058802B/it active
- 1976-04-09 ES ES446879A patent/ES446879A1/es not_active Expired
- 1976-04-09 GB GB1460076A patent/GB1536164A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800517A (zh) * | 2018-08-29 | 2018-11-13 | 正升环境科技股份有限公司 | 扩散共振消声装置及通风通道消声系统 |
| CN108800517B (zh) * | 2018-08-29 | 2024-05-17 | 正升环境科技股份有限公司 | 扩散共振消声装置及通风通道消声系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1536164A (en) | 1978-12-20 |
| IT1058802B (it) | 1982-05-10 |
| FR2307330A1 (fr) | 1976-11-05 |
| IE42550B1 (en) | 1980-08-27 |
| ES446879A1 (es) | 1977-06-01 |
| FR2307330B1 (fr) | 1978-02-24 |
| IE42550L (en) | 1976-10-11 |
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