FR2340499B1 - - Google Patents
Info
- Publication number
- FR2340499B1 FR2340499B1 FR7702875A FR7702875A FR2340499B1 FR 2340499 B1 FR2340499 B1 FR 2340499B1 FR 7702875 A FR7702875 A FR 7702875A FR 7702875 A FR7702875 A FR 7702875A FR 2340499 B1 FR2340499 B1 FR 2340499B1
- Authority
- FR
- France
- 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.)
- Expired
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
- F16L55/033—Noise absorbers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB425876A GB1568686A (en) | 1976-02-03 | 1976-02-03 | Absorption of acoustic energy from a fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2340499A1 FR2340499A1 (fr) | 1977-09-02 |
| FR2340499B1 true FR2340499B1 (nl) | 1983-03-18 |
Family
ID=9773726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7702875A Granted FR2340499A1 (fr) | 1976-02-03 | 1977-02-02 | Absorption de l'energie acoustique d'un fluide |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5296002A (nl) |
| AU (1) | AU512114B2 (nl) |
| BE (1) | BE851006A (nl) |
| CA (1) | CA1108061A (nl) |
| DE (1) | DE2703865C2 (nl) |
| FR (1) | FR2340499A1 (nl) |
| GB (1) | GB1568686A (nl) |
| IT (1) | IT1076861B (nl) |
| NL (1) | NL7701023A (nl) |
| SE (1) | SE7701125L (nl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5528039A (en) * | 1978-08-21 | 1980-02-28 | Mitsubishi Heavy Ind Ltd | Fluiddpowerrnoise silencer |
| FR2734850B1 (fr) * | 1995-05-31 | 1997-07-18 | Berthelon Bernard Joseph | Tunnel ou chenal a poissons |
| US6074208A (en) * | 1998-08-21 | 2000-06-13 | Mitchell; Kenneth B. | Noise reduction in fluid flow passage |
| DE102005007290B3 (de) * | 2005-02-17 | 2006-07-27 | Itw-Befestigungssysteme Gmbh | Gasstromschalldämpfer |
| DE102006037537B4 (de) * | 2006-08-10 | 2008-05-08 | Airbus Deutschland Gmbh | Blende sowie deren Verwendung zum Drosseln eines Volumenstroms in einem Luftverteilungsrohrsystem einer Klimaanlage eines Verkehrsflugzeuges |
| CN109253340B (zh) * | 2018-10-31 | 2024-04-19 | 中国船舶重工集团公司第七一九研究所 | 一种频率可调且可承压的共振式水消声器 |
| CN110242818B (zh) * | 2019-07-19 | 2024-07-05 | 厦门大学 | 一种用于细长构件的阻尼支撑装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE599977C (de) * | 1933-08-04 | 1934-07-12 | Josef Ernst | Schalldaempfer, insbesondere fuer Brennkraftmaschinen, mit eingebauten schalldaempfenden Elementen |
| GB463354A (en) * | 1935-04-16 | 1937-03-30 | Eduard Caspar | Improvements in and relating to exhaust silencers for internal combustion engines |
| GB542179A (en) * | 1940-06-28 | 1941-12-30 | Frederick Heather | Improvements in or relating to silencers |
| US2633873A (en) * | 1947-10-11 | 1953-04-07 | Standard Oil Dev Co | Elastic surface liner for abrasive service |
| GB1274871A (en) * | 1969-01-24 | 1972-05-17 | Rolls Royce | Sound absorptive material |
-
1976
- 1976-02-03 GB GB425876A patent/GB1568686A/en not_active Expired
-
1977
- 1977-01-31 CA CA270,760A patent/CA1108061A/en not_active Expired
- 1977-01-31 DE DE19772703865 patent/DE2703865C2/de not_active Expired
- 1977-02-01 NL NL7701023A patent/NL7701023A/nl not_active Application Discontinuation
- 1977-02-01 AU AU21835/77A patent/AU512114B2/en not_active Expired
- 1977-02-02 FR FR7702875A patent/FR2340499A1/fr active Granted
- 1977-02-02 SE SE7701125A patent/SE7701125L/ not_active Application Discontinuation
- 1977-02-02 BE BE174591A patent/BE851006A/xx not_active IP Right Cessation
- 1977-02-02 IT IT1988177A patent/IT1076861B/it active
- 1977-02-03 JP JP1032577A patent/JPS5296002A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2340499A1 (fr) | 1977-09-02 |
| SE7701125L (sv) | 1977-08-04 |
| AU2183577A (en) | 1978-08-10 |
| DE2703865C2 (de) | 1982-11-11 |
| IT1076861B (it) | 1985-04-27 |
| NL7701023A (nl) | 1977-08-05 |
| CA1108061A (en) | 1981-09-01 |
| AU512114B2 (en) | 1980-09-25 |
| GB1568686A (en) | 1980-06-04 |
| DE2703865A1 (de) | 1977-08-04 |
| BE851006A (fr) | 1977-05-31 |
| JPS5296002A (en) | 1977-08-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |