FR2143276A1 - - Google Patents
Info
- Publication number
- FR2143276A1 FR2143276A1 FR7222531A FR7222531A FR2143276A1 FR 2143276 A1 FR2143276 A1 FR 2143276A1 FR 7222531 A FR7222531 A FR 7222531A FR 7222531 A FR7222531 A FR 7222531A FR 2143276 A1 FR2143276 A1 FR 2143276A1
- 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.)
- Granted
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2131410A DE2131410C3 (de) | 1971-06-24 | 1971-06-24 | Schalldämpfer, insbesondere für lufttechnische Anlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2143276A1 true FR2143276A1 (de) | 1973-02-02 |
FR2143276B1 FR2143276B1 (de) | 1973-07-13 |
Family
ID=5811709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR727222531A Expired FR2143276B1 (de) | 1971-06-24 | 1972-06-22 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3791483A (de) |
AT (1) | AT320223B (de) |
CH (1) | CH550964A (de) |
DE (1) | DE2131410C3 (de) |
FR (1) | FR2143276B1 (de) |
GB (1) | GB1373292A (de) |
IT (1) | IT956565B (de) |
NL (1) | NL7208711A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498793A1 (fr) * | 1981-01-29 | 1982-07-30 | Snecma | Garniture insonorisante pour conduit de gaz notamment pour veine de soufflante de turboreacteur et outillage pour sa fabrication |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3955643A (en) * | 1974-07-03 | 1976-05-11 | Brunswick Corporation | Free flow sound attenuating device and method of making |
JPH0792002B2 (ja) * | 1991-12-26 | 1995-10-09 | ゼネラル・エレクトリック・カンパニイ | ガスタービンエンジン支柱用のダンパアセンブリ |
DE9317376U1 (de) * | 1993-11-12 | 1994-02-03 | Wilms, Peter, 45731 Waltrop | Vorrichtung zur Schalldämpfung an einem Silofahrzeug |
AT408676B (de) * | 1999-12-07 | 2002-02-25 | Kamleithner Maly Uta Mag Ing | Lüftungsrohr, insbesondere zuluftrohr |
US6868939B2 (en) * | 2003-02-25 | 2005-03-22 | Vicious Cycle Performance, Inc. | Exhaust silencer system |
FI6728U1 (fi) * | 2004-03-24 | 2005-06-30 | Uponor Innovation Ab | Ilmanvaihtokanavan äänenvaimennin |
US20060157295A1 (en) * | 2005-01-14 | 2006-07-20 | Ziehl John C | Combination muffler and spark arrester |
US7367424B2 (en) * | 2005-02-14 | 2008-05-06 | Honeywell International, Inc. | Eccentric exhaust muffler for use with auxiliary power units |
US7784283B2 (en) * | 2006-05-03 | 2010-08-31 | Rohr, Inc. | Sound-absorbing exhaust nozzle center plug |
US7959412B2 (en) * | 2006-09-29 | 2011-06-14 | General Electric Company | Wind turbine rotor blade with acoustic lining |
EP2334915A1 (de) * | 2008-09-22 | 2011-06-22 | Dan Petschenig | Abgasschalldämpfer mit offener kammer sowie entsprechende herstellungs- und verwendungsverfahren |
CN103711984B (zh) * | 2012-09-28 | 2018-04-13 | 费希尔控制国际公司 | 简化的模态衰减器 |
US9376946B1 (en) | 2015-04-02 | 2016-06-28 | Fisher Controls International Llc | Modal attenuator |
WO2019074917A1 (en) | 2017-10-11 | 2019-04-18 | Carrier Corporation | SILENCER WITH METAL MESH RINGS |
US20190120414A1 (en) * | 2017-10-23 | 2019-04-25 | Hamilton Sundstrand Corporation | Duct assembly having internal noise reduction features, thermal insulation and leak detection |
DE102020100162B4 (de) | 2020-01-07 | 2023-01-12 | Umfotec Gmbh | Vorrichtung zur Absenkung von Luft- und Körperschall |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1909511A (en) * | 1929-11-01 | 1933-05-16 | Gen Motors Res Corp | Muffler |
FR782848A (fr) * | 1934-03-03 | 1935-06-12 | Bronzavia Sa | Silencieux pour moteurs à explosions et autres applications |
US2326612A (en) * | 1940-11-25 | 1943-08-10 | Maxim Silencer Co | Silencer |
US2514996A (en) * | 1948-07-28 | 1950-07-11 | Jr Charles H Faust | Flash eliminator and silencer for firearms |
US3132717A (en) * | 1955-05-27 | 1964-05-12 | Bolt Beranek & Newman | Acoustically absorbent conduit |
US2989136A (en) * | 1959-04-14 | 1961-06-20 | Wohlberg George | Sound attenuation |
US3141520A (en) * | 1960-01-14 | 1964-07-21 | Grunzweig And Hartmann A G | Sound absorber for gas conduits |
US3142354A (en) * | 1960-08-09 | 1964-07-28 | Gutehoffnungshuette Sterkrade | Sound absorption device and method of manufacture |
-
1971
- 1971-06-24 DE DE2131410A patent/DE2131410C3/de not_active Expired
-
1972
- 1972-06-09 AT AT501472A patent/AT320223B/de not_active IP Right Cessation
- 1972-06-14 CH CH885372A patent/CH550964A/de not_active IP Right Cessation
- 1972-06-15 IT IT25676/72A patent/IT956565B/it active
- 1972-06-19 GB GB2858272A patent/GB1373292A/en not_active Expired
- 1972-06-19 US US00264209A patent/US3791483A/en not_active Expired - Lifetime
- 1972-06-22 FR FR727222531A patent/FR2143276B1/fr not_active Expired
- 1972-06-23 NL NL7208711A patent/NL7208711A/xx not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498793A1 (fr) * | 1981-01-29 | 1982-07-30 | Snecma | Garniture insonorisante pour conduit de gaz notamment pour veine de soufflante de turboreacteur et outillage pour sa fabrication |
EP0057621A2 (de) * | 1981-01-29 | 1982-08-11 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Schalldämpfvorrichtung für Gasleitungen, insbesondere für Turboreaktorgebläse, und Gerät zu dessen Herstellung |
EP0057621A3 (en) * | 1981-01-29 | 1982-08-25 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A." | Sound dampening device for gas tubes, especially for the blower of a turbo-reactor and apparatus for its production |
Also Published As
Publication number | Publication date |
---|---|
DE2131410B2 (de) | 1974-09-12 |
US3791483A (en) | 1974-02-12 |
DE2131410A1 (de) | 1973-01-11 |
FR2143276B1 (de) | 1973-07-13 |
DE2131410C3 (de) | 1975-04-30 |
AT320223B (de) | 1975-01-27 |
GB1373292A (en) | 1974-11-06 |
NL7208711A (de) | 1972-12-28 |
IT956565B (it) | 1973-10-10 |
CH550964A (de) | 1974-06-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |