DE2930162A1 - Noise dampening ventilation duct of standard length sections - has internal lining of heat resistant and sound absorbent material - Google Patents
Noise dampening ventilation duct of standard length sections - has internal lining of heat resistant and sound absorbent materialInfo
- Publication number
- DE2930162A1 DE2930162A1 DE19792930162 DE2930162A DE2930162A1 DE 2930162 A1 DE2930162 A1 DE 2930162A1 DE 19792930162 DE19792930162 DE 19792930162 DE 2930162 A DE2930162 A DE 2930162A DE 2930162 A1 DE2930162 A1 DE 2930162A1
- Authority
- DE
- Germany
- Prior art keywords
- sound
- ventilation
- absorbent material
- wool
- standard length
- 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.)
- Withdrawn
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
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
-
- 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
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Duct Arrangements (AREA)
Abstract
Description
Beschreibung description
Titel: Schalldämpfende Be- und Entlüftungsvorrichtung.Title: Sound-absorbing ventilation device.
Beschreibung Figur 1 eines Ausführungs- 1.1 Rohrprofil in eckiger, Kreirunbeiepieles: der, ovaler oder sonst möglicher Form aus Metall oder Kunststoff oder ähnlichem Material in Meterlängen 1.2 Absorptionsmaterial mit hitzekältebeständigen umweltfreundlichen Eigenschaften.Description of Figure 1 of an embodiment 1.1 tubular profile in an angular, Kreirunbeiepieles: the, oval or other possible shape made of metal or plastic or similar material in meter lengths 1.2 absorption material with heat and cold resistant environmentally friendly properties.
z.B. Schaumstoffe, Koks, Taca für die Verwendungsmöglichkeit getränkt. e.g. foams, coke, toca soaked for possible use.
Figur 2 2.3 Einheitlich vorgefertigte, mit dem o.a. Absorptionsmaterial ausgekleidete gebogene Endstücke, dem Rohrprofil angepaßt. Figure 2 2.3 Uniformly prefabricated, with the above-mentioned absorption material lined curved end pieces, adapted to the pipe profile.
Diese vorgefertigten Bögen können beliebig in Form und Gradzahl gebogen sein. These prefabricated arches can be bent in any shape and number of degrees be.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792930162 DE2930162A1 (en) | 1979-07-25 | 1979-07-25 | Noise dampening ventilation duct of standard length sections - has internal lining of heat resistant and sound absorbent material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792930162 DE2930162A1 (en) | 1979-07-25 | 1979-07-25 | Noise dampening ventilation duct of standard length sections - has internal lining of heat resistant and sound absorbent material |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2930162A1 true DE2930162A1 (en) | 1981-02-12 |
Family
ID=6076751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792930162 Withdrawn DE2930162A1 (en) | 1979-07-25 | 1979-07-25 | Noise dampening ventilation duct of standard length sections - has internal lining of heat resistant and sound absorbent material |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2930162A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3220023A1 (en) * | 1982-05-27 | 1983-12-01 | Cellofoam Deutschland Gmbh, 7950 Biberach | SILENCED FLOW CHANNEL AND METHOD FOR THE PRODUCTION THEREOF |
EP0120181A1 (en) * | 1983-02-23 | 1984-10-03 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Absorption silencer for gas-dynamic pressure wave machines |
US5025986A (en) * | 1988-07-30 | 1991-06-25 | Dr. Ing. H.C.F. Porsche Ag | Heating system for a motor vehicle with an air-cooled rear engine |
DE10007549A1 (en) * | 2000-02-18 | 2001-09-06 | Friedmund Nagel | Silencing line for engine exhaust system, consisting of at least one layer of sound absorbing material |
DE10302049A1 (en) * | 2003-01-21 | 2004-08-05 | Daimlerchrysler Ag | Water run off channels for a motor vehicle, especially a car, has a tubular foam body at the channel exit to reduce air noise |
FR2854649A1 (en) * | 2003-05-09 | 2004-11-12 | Jean Claude Peru | Vehicle e.g. truck, silencer, chambers formed by standard units locked by threaded rods with nuts and joints for releasing and exhaust pipes where units have common axis at silencer |
DE19722866B4 (en) * | 1997-05-06 | 2008-04-30 | Behr Gmbh & Co. Kg | Air duct of a heating or air conditioning of a motor vehicle |
EP2752363A1 (en) * | 2013-01-07 | 2014-07-09 | Dassault Aviation | Device for reducing the noise emitted by a duct and aircraft duct provided with such a device |
CN104565591A (en) * | 2015-01-07 | 2015-04-29 | 天津大华创业电力成套设备有限公司 | Muffling ventilating pipeline |
-
1979
- 1979-07-25 DE DE19792930162 patent/DE2930162A1/en not_active Withdrawn
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3220023A1 (en) * | 1982-05-27 | 1983-12-01 | Cellofoam Deutschland Gmbh, 7950 Biberach | SILENCED FLOW CHANNEL AND METHOD FOR THE PRODUCTION THEREOF |
EP0095582A1 (en) * | 1982-05-27 | 1983-12-07 | Cellofoam Deutschland GmbH | Sound insulated flow channel and method of making the same |
US4615411A (en) * | 1982-05-27 | 1986-10-07 | Dynamit Nobel Ag | Sound-insulated flow duct and process for the manufacture thereof |
EP0120181A1 (en) * | 1983-02-23 | 1984-10-03 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Absorption silencer for gas-dynamic pressure wave machines |
US5025986A (en) * | 1988-07-30 | 1991-06-25 | Dr. Ing. H.C.F. Porsche Ag | Heating system for a motor vehicle with an air-cooled rear engine |
DE19722866B4 (en) * | 1997-05-06 | 2008-04-30 | Behr Gmbh & Co. Kg | Air duct of a heating or air conditioning of a motor vehicle |
DE10007549A1 (en) * | 2000-02-18 | 2001-09-06 | Friedmund Nagel | Silencing line for engine exhaust system, consisting of at least one layer of sound absorbing material |
DE10302049A1 (en) * | 2003-01-21 | 2004-08-05 | Daimlerchrysler Ag | Water run off channels for a motor vehicle, especially a car, has a tubular foam body at the channel exit to reduce air noise |
DE10302049B4 (en) * | 2003-01-21 | 2008-02-28 | Daimler Ag | Water drain line in a motor vehicle |
FR2854649A1 (en) * | 2003-05-09 | 2004-11-12 | Jean Claude Peru | Vehicle e.g. truck, silencer, chambers formed by standard units locked by threaded rods with nuts and joints for releasing and exhaust pipes where units have common axis at silencer |
EP2752363A1 (en) * | 2013-01-07 | 2014-07-09 | Dassault Aviation | Device for reducing the noise emitted by a duct and aircraft duct provided with such a device |
FR3000722A1 (en) * | 2013-01-07 | 2014-07-11 | Dassault Aviat | NOISE REDUCTION DEVICE EMITTED BY A CONDUIT AND AIRCRAFT CONDUIT PROVIDED WITH SUCH A DEVICE |
US8985269B2 (en) | 2013-01-07 | 2015-03-24 | Dassault Aviation | Device for reducing the noise emitted by a conduit and aircraft conduit equipped with such a device |
CN104565591A (en) * | 2015-01-07 | 2015-04-29 | 天津大华创业电力成套设备有限公司 | Muffling ventilating pipeline |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |