FR2887007B1 - Conduit de circulation d'air ayant des proprietes d'absorption acoustique - Google Patents
Conduit de circulation d'air ayant des proprietes d'absorption acoustiqueInfo
- Publication number
- FR2887007B1 FR2887007B1 FR0505928A FR0505928A FR2887007B1 FR 2887007 B1 FR2887007 B1 FR 2887007B1 FR 0505928 A FR0505928 A FR 0505928A FR 0505928 A FR0505928 A FR 0505928A FR 2887007 B1 FR2887007 B1 FR 2887007B1
- Authority
- FR
- France
- Prior art keywords
- air circulation
- absorption properties
- circulation conduit
- acoustic absorption
- acoustic
- 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 - Fee Related
Links
Classifications
-
- 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
-
- 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
- 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
- F16L9/00—Rigid pipes
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
-
- 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
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Duct Arrangements (AREA)
- Air-Conditioning For Vehicles (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0505928A FR2887007B1 (fr) | 2005-06-10 | 2005-06-10 | Conduit de circulation d'air ayant des proprietes d'absorption acoustique |
PCT/FR2006/001311 WO2006131660A1 (fr) | 2005-06-10 | 2006-06-09 | Conduit de circulation d’air ayant des proprietes d’absorption acoustique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0505928A FR2887007B1 (fr) | 2005-06-10 | 2005-06-10 | Conduit de circulation d'air ayant des proprietes d'absorption acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2887007A1 FR2887007A1 (fr) | 2006-12-15 |
FR2887007B1 true FR2887007B1 (fr) | 2009-01-23 |
Family
ID=35695892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0505928A Expired - Fee Related FR2887007B1 (fr) | 2005-06-10 | 2005-06-10 | Conduit de circulation d'air ayant des proprietes d'absorption acoustique |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2887007B1 (fr) |
WO (1) | WO2006131660A1 (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3113635A (en) * | 1959-03-31 | 1963-12-10 | Bolt Beranek & Newman | Apparatus for silencing vibrational energy |
US3175640A (en) * | 1961-04-19 | 1965-03-30 | Fukuo Saeki | Muffling devices for air handling systems |
US3920095A (en) * | 1974-02-01 | 1975-11-18 | Brunswick Corp | Free flow sound attenuating device and method of using |
US3955643A (en) * | 1974-07-03 | 1976-05-11 | Brunswick Corporation | Free flow sound attenuating device and method of making |
JPS6050265A (ja) * | 1983-08-31 | 1985-03-19 | Nissan Motor Co Ltd | 自動車の吸気騒音低減装置 |
DE4210786C2 (de) * | 1992-04-01 | 1994-11-10 | Bayer Ag | Schalldämpfender Resonator für Rohrleitungen |
CA2164370A1 (fr) * | 1995-12-04 | 1997-06-05 | Donald L. Allen | Attenuateur acoustique reactif |
FR2780347B1 (fr) * | 1998-06-29 | 2001-02-23 | Valeo Climatisation | Boitier de chauffage et/ou climatisation de vehicule automobile a performances acoustiques ameliorees |
-
2005
- 2005-06-10 FR FR0505928A patent/FR2887007B1/fr not_active Expired - Fee Related
-
2006
- 2006-06-09 WO PCT/FR2006/001311 patent/WO2006131660A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR2887007A1 (fr) | 2006-12-15 |
WO2006131660A1 (fr) | 2006-12-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
PLFP | Fee payment |
Year of fee payment: 14 |
|
PLFP | Fee payment |
Year of fee payment: 15 |
|
ST | Notification of lapse |
Effective date: 20210206 |