DK0719975T3 - Indretning til støjdæmpning ved en kanalende - Google Patents
Indretning til støjdæmpning ved en kanalendeInfo
- Publication number
- DK0719975T3 DK0719975T3 DK95119761T DK95119761T DK0719975T3 DK 0719975 T3 DK0719975 T3 DK 0719975T3 DK 95119761 T DK95119761 T DK 95119761T DK 95119761 T DK95119761 T DK 95119761T DK 0719975 T3 DK0719975 T3 DK 0719975T3
- Authority
- DK
- Denmark
- Prior art keywords
- wall
- cover cap
- noise reduction
- duct end
- gas
- Prior art date
Links
Classifications
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- 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
-
- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pipe Accessories (AREA)
- Exhaust Silencers (AREA)
- Electric Cable Installation (AREA)
- Duct Arrangements (AREA)
- Heat Treatment Of Articles (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4446872A DE4446872A1 (de) | 1994-12-27 | 1994-12-27 | Vorrichtung zur Schalldämmung am Ende von Rohrleitungen |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0719975T3 true DK0719975T3 (da) | 2002-07-01 |
Family
ID=6537304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK95119761T DK0719975T3 (da) | 1994-12-27 | 1995-12-14 | Indretning til støjdæmpning ved en kanalende |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0719975B1 (fr) |
AT (1) | ATE215198T1 (fr) |
DE (2) | DE4446872A1 (fr) |
DK (1) | DK0719975T3 (fr) |
ES (1) | ES2174893T3 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5929396A (en) * | 1997-07-29 | 1999-07-27 | Awad; Elias A. | Noise reducing diffuser |
FR2785360A1 (fr) * | 1998-11-03 | 2000-05-05 | Decibel France Sa | Dispositif permettant de reduire la production sonore liee a l'ecoulement d'un fluide par fractionnement du flux a l'aide de diffuseurs a perforations multiples |
GB2364352A (en) * | 2000-07-03 | 2002-01-23 | Draftex Ind Ltd | Noise reduction in air conduits; making perforated conduits |
EP2064419B1 (fr) * | 2006-09-07 | 2012-04-25 | Volvo Trucks North America, Inc. | Diffuseur d'échappement pour camion professionnel |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2043030A (en) | 1935-04-02 | 1936-06-02 | Maxim Silencer Co | Sound attenuating device |
US2075265A (en) | 1935-08-09 | 1937-03-30 | Maxim Silencer Co | Sound attenuating device |
DE763253C (de) * | 1939-05-28 | 1953-01-05 | Forschungsanstalt Prof Junkers | Schalldaempfer fuer aus einer Leitung mit wechselnder Geschwindigkeit austretende Flude |
US3208551A (en) * | 1963-11-18 | 1965-09-28 | Carls William | Combined air muffler and metering valve with replaceable cartridge |
DE2403298A1 (de) * | 1974-01-24 | 1975-07-31 | Deutsche Edelstahlwerke Ag | Schalldaempfer in pneumatischen anlagen |
DE3807128A1 (de) * | 1988-03-04 | 1989-09-14 | Fraunhofer Ges Forschung | Schalldaempfendes wandelement |
DE4210786C2 (de) * | 1992-04-01 | 1994-11-10 | Bayer Ag | Schalldämpfender Resonator für Rohrleitungen |
DE4243280C2 (de) * | 1992-12-21 | 1996-03-28 | Bayer Ag | Vorrichtung zur Schalldämpfung an Rohrleitungen |
-
1994
- 1994-12-27 DE DE4446872A patent/DE4446872A1/de not_active Withdrawn
-
1995
- 1995-12-14 DE DE59510126T patent/DE59510126D1/de not_active Expired - Lifetime
- 1995-12-14 EP EP95119761A patent/EP0719975B1/fr not_active Expired - Lifetime
- 1995-12-14 AT AT95119761T patent/ATE215198T1/de not_active IP Right Cessation
- 1995-12-14 ES ES95119761T patent/ES2174893T3/es not_active Expired - Lifetime
- 1995-12-14 DK DK95119761T patent/DK0719975T3/da active
Also Published As
Publication number | Publication date |
---|---|
DE59510126D1 (de) | 2002-05-02 |
EP0719975A1 (fr) | 1996-07-03 |
ATE215198T1 (de) | 2002-04-15 |
DE4446872A1 (de) | 1996-07-04 |
EP0719975B1 (fr) | 2002-03-27 |
ES2174893T3 (es) | 2002-11-16 |
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