EP2898196A1 - Beutel zum einsetzen in einen zur schalldämpfung bestimmten hohlraum eines schalldämpfers - Google Patents
Beutel zum einsetzen in einen zur schalldämpfung bestimmten hohlraum eines schalldämpfersInfo
- Publication number
- EP2898196A1 EP2898196A1 EP13765997.5A EP13765997A EP2898196A1 EP 2898196 A1 EP2898196 A1 EP 2898196A1 EP 13765997 A EP13765997 A EP 13765997A EP 2898196 A1 EP2898196 A1 EP 2898196A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bag
- cavity
- sheath
- inner tube
- filling
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
-
- 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
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/02—Cross-sectional features
- D10B2403/024—Fabric incorporating additional compounds
- D10B2403/0242—Fabric incorporating additional compounds enhancing chemical properties
- D10B2403/02421—Fabric incorporating additional compounds enhancing chemical properties containing particulate matter, e.g. powder or granulate
-
- 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
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
-
- 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
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/14—Wire mesh fabric, woven glass cloth or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4957—Sound device making
Definitions
- the invention relates to a bag for insertion into a
- a silencer is a device for reducing
- An absorption silencer contains porous material, usually rockwool, glass wool or fiberglass, which the
- the invention particularly relates to such mufflers.
- Silencers for internal combustion engines in particular of vehicles or trucks, have a perforated inner tube for passing the exhaust gases. This is in an outer air, dirt and moisture-proof
- Multi-component moldings which contain flammable components to retain the mold, which burn off during the first use of the muffler.
- Pouches are known for insertion into a cavity of a silencer with an all-round side for soundproofing or absorption closed envelope, with a sound-absorbing or -absorb Schlden filling, wherein the envelope consists of plastic films or nets. After filling these are welded.
- WO 2005/049982 discloses a bag for insertion into a cavity intended for sound absorption or absorption
- Silencer with a knitted tubular casing and with a sound-absorbing or absorbing filling the casing being made of glass fibers.
- the filling is introduced into the shell and the shell is then closed at its ends. It is not disclosed to make certain 3D shapes.
- Silencer with a hose-like non-heat-resistant casing and with a sound-absorbing or absorbing filling.
- the filling is introduced into the shell and the shell is then closed at its ends. It is not disclosed to make certain 3D shapes.
- the shell burns during operation of the muffler.
- US 6,068,082 discloses a grid-like element for insertion into a cavity intended for sound absorption or absorption
- the filling is introduced into the shell and the shell is then closed.
- GB 2 267 731 discloses a flexible bag for insertion into a cavity of a soundproofing or absorption cavity
- a set of such bags, a muffler with such bags and corresponding methods for producing the above are the subject of the independent claims.
- closed envelope is not a dense, for example, water, dirt or pressure-tight understood, such as a film.
- the term "closed” simply means that the envelope during transport, during normal handling and when inserted into the cavity of the muffler in the manufacture of the same
- inventive feature now consists in that the shell consists of glass fibers and the filling is blown through the envelope of the bag into the interior of the bag.
- the all-sided closed envelope has bushings. This allows adaptation to the geometry in the interior of the cavity, for example at indentations.
- the above-mentioned implementation in the shell can therefore absorb the indentation. It is therefore not manual customization
- the envelope is essentially made of meshed glass fibers
- a loop formed by means of thread is looped into another loop.
- the resulting stitches may be formed using one or more threads.
- the mesh size or size of the meshed glass fibers is therefore to be chosen so that the components of the filling are initially well inflated by a mesh of the shell and usually after the
- Blowing an increased volume filling after blowing can not fall out through the mesh.
- the mesh size is therefore preferably 2-9 mm, in particular 2.5-5 mm and in particular preferably 3 mm.
- the sheath closed on all sides by a single working method, in particular knitting, preferably on one
- Circular knitting machines manufactured and therefore on hose forms
- the sheath may preferably have over its length, width and / or height variable cross-sections, in particular steps, curves, bulges, constrictions and / or indentations. From the prior art, only comparatively simple, tubular or pillow-like forms have hitherto been known.
- the filling consists wholly or partly
- Roving is a bundle, strand or multifilament yarn made from parallel filaments used predominantly in the manufacture of fiber reinforced plastics (FRP) or fiber reinforced plastics, a sub-group of composites.
- FRP fiber reinforced plastics
- the cross-section of a roving is usually elliptical or rectangular. However, there are also rovings with a slight
- Protective rotation e.g., 10 turns / m
- a mesh of the shell and increase its volume after blowing, so that they can not fall out through the mesh.
- the filling is preferably made of glass or basalt materials.
- the shell and / or the filling are heat resistant in the range of 400-1300 ° C, preferably 450-1100 ° C.
- the materials used are preferably E glass, silica, glass fibers with Si0 2 content greater than 75%, ECR glass, S glass, C glass.
- the shape of the bag is to the cavity of a
- Muffler adapted so that the cavity can be filled well, without manual plugging or fitting is necessary. It is further proposed to provide a set of the bags described above, the shapes of which are such that together they can fill the cavity of a muffler. Similar to a puzzle so each bag has its predetermined place and is adapted to this and the adjacent bags. Therefore, in cramped conditions, for example with undercuts,
- each bag is preferably designed such that it has a shape adapted to a specific area of the cavity.
- a complete muffler is claimed using the bags made according to the teachings described above. This muffler, especially for internal combustion engines, preferably for vehicles or trucks, has a perforated inner tube for passing
- Sheath a cavity formed between the inner tube and sheath on.
- one or more bags are preferably arranged in the cavity, wherein in particular the cavity is completely filled.
- one or more bags can be arranged with passages in the cavity, wherein the inner tube through the
- the method according to the invention for producing a silencer comprises the following steps:
- FIG. 1 shows the pouch 1 according to the invention for insertion into a cavity of a soundproofing or absorption cavity
- Silencer Its all-sided closed glass fiber sheath 2 is made by means of a working method on a flat knitting machine and was not sewn. Inside the shell 2 is a
- Diameter is therefore adapted to the outer cross section of the inner tube of the muffler.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Exhaust Silencers (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL13765997T PL2898196T3 (pl) | 2012-09-18 | 2013-09-18 | Tłumik i sposób jego wytwarzania |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012018371.2A DE102012018371B4 (de) | 2012-09-18 | 2012-09-18 | Beutel zum Einsetzen in einen zur Schalldämpfung bestimmten Hohlraum eines Schalldämpfers |
| DE201220103599 DE202012103599U1 (de) | 2012-09-20 | 2012-09-20 | Beutel zum Einsetzen in einen zur Schalldämpfungbestimmten Hohlraum eines Schalldämpfers |
| PCT/EP2013/069345 WO2014044698A1 (de) | 2012-09-18 | 2013-09-18 | Beutel zum einsetzen in einen zur schalldämpfung bestimmten hohlraum eines schalldämpfers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2898196A1 true EP2898196A1 (de) | 2015-07-29 |
| EP2898196B1 EP2898196B1 (de) | 2017-07-26 |
Family
ID=49230724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13765997.5A Active EP2898196B1 (de) | 2012-09-18 | 2013-09-18 | Schalldämpfer und verfahren zu dessen herstellung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9305536B2 (de) |
| EP (1) | EP2898196B1 (de) |
| CN (1) | CN104662268B (de) |
| PL (1) | PL2898196T3 (de) |
| WO (1) | WO2014044698A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10093437B2 (en) * | 2015-05-20 | 2018-10-09 | David Charles LODA | High performance insulation packaging and disbursement system |
| US11325765B1 (en) | 2021-04-30 | 2022-05-10 | Blake Ian Goldsmith | Audio equipment weighting device |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421202A (en) * | 1981-03-20 | 1983-12-20 | Peabody Abc Corporation | Sound attenuator |
| JPH0625542B2 (ja) * | 1985-08-10 | 1994-04-06 | 日本ラインツ株式会社 | 排気筒包囲部材 |
| DE3826707A1 (de) * | 1988-08-05 | 1990-02-08 | Gruenzweig & Hartmann | Verfahren zum herstellen eines abgas-schalldaempfers |
| GB2267731A (en) | 1992-06-10 | 1993-12-15 | Lancaster Glass Fibre | Sound absorber insert for an exhaust silencer. |
| AU5894998A (en) * | 1996-12-02 | 1998-06-29 | Owens Corning | Molded insulation products and their manufacture using continuous-filament wool |
| GB9723148D0 (en) * | 1997-11-04 | 1998-01-07 | Eurotex Thermal Engineering Li | Sound muffling material and method of making thereof |
| US6068082A (en) * | 1997-11-21 | 2000-05-30 | D'amico, Jr.; John | Muffler packing method and apparatus |
| US6585078B2 (en) * | 2000-12-22 | 2003-07-01 | Race Tools, Inc. | Muffler insert |
| JP2003041923A (ja) * | 2001-07-30 | 2003-02-13 | Honda Motor Co Ltd | 排気消音装置 |
| US6581723B2 (en) * | 2001-08-31 | 2003-06-24 | Owens Corning Composites Sprl | Muffler shell filling process, muffler filled with fibrous material and vacuum filling device |
| US6607052B2 (en) * | 2001-09-12 | 2003-08-19 | Owens Corning Composites Sprl | Muffler shell filling process and muffler filled with fibrous material |
| EP1711694A1 (de) | 2003-11-21 | 2006-10-18 | Vale S.R.L. | Sockenförmiges stoffelement, welches schalldämpfungsmaterial enthält |
| US7165648B2 (en) * | 2004-06-22 | 2007-01-23 | Owens Corning Fiberglas Technology, Inc. | Method for containing an acoustical material within an assembly |
| FR2906307B1 (fr) | 2006-09-26 | 2008-12-19 | Faurecia Sys Echappement | Dispositif d'echappement des gaz emanant d'un moteur a combustion interne de vehicule automobile. |
| US8191581B2 (en) * | 2009-04-16 | 2012-06-05 | Emcon Technologies, Llc | Wire tube structure for exhaust component |
| US8985270B2 (en) * | 2013-03-11 | 2015-03-24 | Molded Acoustical Products Of Easton, Inc. | Clean burn muffler packing with stitched fiberglass envelope |
-
2013
- 2013-09-18 WO PCT/EP2013/069345 patent/WO2014044698A1/de not_active Ceased
- 2013-09-18 US US14/427,472 patent/US9305536B2/en active Active
- 2013-09-18 PL PL13765997T patent/PL2898196T3/pl unknown
- 2013-09-18 CN CN201380048616.XA patent/CN104662268B/zh active Active
- 2013-09-18 EP EP13765997.5A patent/EP2898196B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014044698A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014044698A1 (de) | 2014-03-27 |
| CN104662268B (zh) | 2018-12-04 |
| US20150235636A1 (en) | 2015-08-20 |
| EP2898196B1 (de) | 2017-07-26 |
| PL2898196T3 (pl) | 2017-12-29 |
| US9305536B2 (en) | 2016-04-05 |
| CN104662268A (zh) | 2015-05-27 |
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