FR2490855B1 - Silencieux capable d'absorber des ondes sonores - Google Patents
Silencieux capable d'absorber des ondes sonoresInfo
- Publication number
- FR2490855B1 FR2490855B1 FR8117640A FR8117640A FR2490855B1 FR 2490855 B1 FR2490855 B1 FR 2490855B1 FR 8117640 A FR8117640 A FR 8117640A FR 8117640 A FR8117640 A FR 8117640A FR 2490855 B1 FR2490855 B1 FR 2490855B1
- Authority
- FR
- France
- Prior art keywords
- quiet
- sound waves
- absorbing sound
- absorbing
- waves
- 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.)
- 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
- F16L55/0331—Noise absorbers by inserting an elongated element in the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Photographic Developing Apparatuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8006664A SE8006664L (sv) | 1980-09-24 | 1980-09-24 | Ljuddempningsanordning |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2490855A1 FR2490855A1 (fr) | 1982-03-26 |
FR2490855B1 true FR2490855B1 (fr) | 1985-06-07 |
Family
ID=20341801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8117640A Expired FR2490855B1 (fr) | 1980-09-24 | 1981-09-18 | Silencieux capable d'absorber des ondes sonores |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE8127607U1 (fr) |
FR (1) | FR2490855B1 (fr) |
GB (1) | GB2083864A (fr) |
SE (1) | SE8006664L (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0754901B1 (fr) * | 1995-07-21 | 2000-02-23 | Robert Alan Gladden | Dispositifs d'atténuation de bruit, leur fabrication et leur utilisation pour l'atténuation de bruit dans les canalisations |
AU2001240973A1 (en) * | 2000-03-17 | 2001-09-24 | Coetzee, Magdalena Petronella | A gas-flow silencer |
CN108692106B (zh) * | 2018-06-13 | 2020-03-24 | 江西力得管业有限公司 | 复合管道 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE529561C (de) * | 1931-07-15 | Albert Klein Dr Ing | Vorrichtung zur Schalldaempfung in Leitungen, insbesondere fuer Lueftungs-Anlagen o. dgl. | |
GB406442A (en) * | 1932-12-02 | 1934-03-01 | Amal Ltd | Air-intake silencers, preferably for use on internal-combustion engines |
CH203906A (de) * | 1938-04-23 | 1939-04-15 | Oederlin Cie Ag | Geräuschdämpfer für Flüssigkeitsströmungen. |
DE2620169A1 (de) * | 1976-05-07 | 1977-11-10 | Gruenzweig Hartmann Glasfaser | Schalldaempfer fuer rohrleitungen |
-
1980
- 1980-09-24 SE SE8006664A patent/SE8006664L/ unknown
-
1981
- 1981-09-18 FR FR8117640A patent/FR2490855B1/fr not_active Expired
- 1981-09-21 GB GB8128501A patent/GB2083864A/en not_active Withdrawn
- 1981-09-22 DE DE19818127607 patent/DE8127607U1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE8127607U1 (de) | 1982-02-04 |
SE8006664L (sv) | 1982-03-25 |
GB2083864A (en) | 1982-03-31 |
FR2490855A1 (fr) | 1982-03-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |