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 (en) | 1977-09-02 |
| FR2340499B1 true FR2340499B1 (en) | 1983-03-18 |
Family
ID=9773726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7702875A Granted FR2340499A1 (en) | 1976-02-03 | 1977-02-02 | ABSORPTION OF THE ACOUSTIC ENERGY OF A FLUID |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5296002A (en) |
| AU (1) | AU512114B2 (en) |
| BE (1) | BE851006A (en) |
| CA (1) | CA1108061A (en) |
| DE (1) | DE2703865C2 (en) |
| FR (1) | FR2340499A1 (en) |
| GB (1) | GB1568686A (en) |
| IT (1) | IT1076861B (en) |
| NL (1) | NL7701023A (en) |
| SE (1) | SE7701125L (en) |
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 (en) * | 1995-05-31 | 1997-07-18 | Berthelon Bernard Joseph | TUNNEL OR FISH CHANNEL |
| US6074208A (en) * | 1998-08-21 | 2000-06-13 | Mitchell; Kenneth B. | Noise reduction in fluid flow passage |
| DE102005007290B3 (en) * | 2005-02-17 | 2006-07-27 | Itw-Befestigungssysteme Gmbh | Gas flow sound damper for use in e.g. hand-operated driving tool for nails, has cover with number of fibers or filament bundles fixed with end at cover, which has gas emanation opening lying transverse to exhaust gas inflow direction |
| DE102006037537B4 (en) | 2006-08-10 | 2008-05-08 | Airbus Deutschland Gmbh | Aperture and its use for throttling a volume flow in an air distribution pipe system of an air conditioning system of a commercial aircraft |
| CN109253340B (en) * | 2018-10-31 | 2024-04-19 | 中国船舶重工集团公司第七一九研究所 | Resonant water muffler with adjustable frequency and pressure bearing |
| CN110242818B (en) * | 2019-07-19 | 2024-07-05 | 厦门大学 | Damping support device for slender component |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE599977C (en) * | 1933-08-04 | 1934-07-12 | Josef Ernst | Sound absorbers, especially for internal combustion engines, with built-in sound-absorbing elements |
| 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 DE DE19772703865 patent/DE2703865C2/en not_active Expired
- 1977-01-31 CA CA270,760A patent/CA1108061A/en not_active Expired
- 1977-02-01 NL NL7701023A patent/NL7701023A/en not_active Application Discontinuation
- 1977-02-01 AU AU21835/77A patent/AU512114B2/en not_active Expired
- 1977-02-02 FR FR7702875A patent/FR2340499A1/en active Granted
- 1977-02-02 BE BE174591A patent/BE851006A/en not_active IP Right Cessation
- 1977-02-02 IT IT1988177A patent/IT1076861B/en active
- 1977-02-02 SE SE7701125A patent/SE7701125L/en not_active Application Discontinuation
- 1977-02-03 JP JP1032577A patent/JPS5296002A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1108061A (en) | 1981-09-01 |
| AU512114B2 (en) | 1980-09-25 |
| SE7701125L (en) | 1977-08-04 |
| DE2703865C2 (en) | 1982-11-11 |
| GB1568686A (en) | 1980-06-04 |
| FR2340499A1 (en) | 1977-09-02 |
| BE851006A (en) | 1977-05-31 |
| DE2703865A1 (en) | 1977-08-04 |
| NL7701023A (en) | 1977-08-05 |
| IT1076861B (en) | 1985-04-27 |
| JPS5296002A (en) | 1977-08-12 |
| AU2183577A (en) | 1978-08-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |