EP0953736A2 - Insert pour silencieux et son procédé de fabrication - Google Patents

Insert pour silencieux et son procédé de fabrication Download PDF

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Publication number
EP0953736A2
EP0953736A2 EP99108115A EP99108115A EP0953736A2 EP 0953736 A2 EP0953736 A2 EP 0953736A2 EP 99108115 A EP99108115 A EP 99108115A EP 99108115 A EP99108115 A EP 99108115A EP 0953736 A2 EP0953736 A2 EP 0953736A2
Authority
EP
European Patent Office
Prior art keywords
silencer
insert
partially
composite
loose
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
Application number
EP99108115A
Other languages
German (de)
English (en)
Other versions
EP0953736B1 (fr
EP0953736A3 (fr
Inventor
Johannes Ulrich Goertz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to SI9930099T priority Critical patent/SI0953736T1/xx
Publication of EP0953736A2 publication Critical patent/EP0953736A2/fr
Publication of EP0953736A3 publication Critical patent/EP0953736A3/fr
Application granted granted Critical
Publication of EP0953736B1 publication Critical patent/EP0953736B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of 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
    • F01N2310/00—Selection of sound absorbing or insulating material
    • F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos 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
    • Y10T29/49398—Muffler, manifold or exhaust pipe making

Definitions

  • the present invention relates to a method for producing Muffler inserts for mufflers, all or part of which Absorption principle work, as well as manufactured according to the method Muffler inserts.
  • Silencer inserts of the generic type are in the silencers the exhaust systems of internal combustion engines for noise reduction arranged.
  • the silencers are usually pot-like Formations through which the exhaust pipe is guided and in which there is sound can spread and lose in the damping material.
  • the sound-absorbing material is preferably a so-called porous Sound absorption material, i.e. a material without structured arrangements of cavities and material flow.
  • DE 31 44 193 discloses a sound-absorbing body made from a Mineral fiber tube shell. In the first place it is bound Material, i.e. a molded article bound with a binding agent, its effect unsatisfactory and the service life is short. They are also manufacturing and assembly is complex and the molded part is expensive.
  • the present invention has for its object to provide a method for the manufacture of silencer inserts and novel silencer inserts, which can be adapted to the interior of the silencer housing to be filled with simple means as optimally as possible, and also economically producible and the effects are improved.
  • the process proposes a method for producing silencer inserts, which work in whole or in part according to the absorption principle, a predetermined amount of a loose container being formed from individual elements of a suitable sound-absorbing material, the loose container roughly in one of the intended forms Muffler insert corresponding mounting form element is formed and the loose container is fixed in the form corresponding to the mounting form element to form a composite, such that the fixed shape can be handled without disassembly in individual elements until assembly for the intended use of the muffler insert, but during Intended use as a silencer insert, the fixation is at least partially removed.
  • an existing one is created Molded composite that completes the production process and in turn is easy to store, transport and assemble.
  • the molded composite is again partial canceled so that an optimal filling of the interior of the to be filled Muffler housing is effected.
  • the shape bond is canceled by the action high temperatures.
  • the usual operating conditions in silencer housings are characterized by very high temperatures. These can be used Dissolve adhesive bonds, seams or the like and thus the cause at least partial dissolution of the composite.
  • the loose package is available in the form of a loose cluster, namely binder-free.
  • a loose cluster namely binder-free.
  • it is a bunch of Fibers from textured E-glass yarn.
  • mineral wool or the like Materials can be used. Mixtures of different ones Materials can be used. Forming a predetermined amount can by Weighing done.
  • silencer housing types to be filled optimal quantities will be determinable. This can be done by Weight or other measurable physical properties of the material To be defined.
  • the loose container then becomes an assembly form element molded and fixed to a form composite.
  • a way to form the Compound can be sewing, wrapping or the like.
  • According to A proposal of the invention can cut from flat materials are formed, from which in turn an envelope for the loose cluster will be produced. In this way, the material can be introduced into the casing and this to be sewn. The material can also be finished after the wrapping these are stuffed. Finally, the wrapper is closed and / or molded.
  • a shape can e.g.
  • Pipe shape formation can be supported by that the mat formed from wrapping and wrapped sound-absorbing material a mandrel is wound. The free edges are then sewn. With A particular advantage has been found here that one on one edge sewable supernatant is formed. This supernatant can, for example smooth with the outside of the mat after wrapping be glued. This can be used to support the desired outer tube shape molded element wound around the mandrel can be introduced into a tube.
  • This Pipe shape is preferably created by folding two pipe halves together. After the adhesive has dried, the shaped element thus formed has the desired final shape.
  • the wrapping can, for example, also be made of textured E-glass yarn, alternative materials or mixtures exist. Also can be different Blanks of different materials can be combined depending on the application.
  • the blanks are cut, embossed, punched or poured formed in the case of plastic processing.
  • Commercially available glue Hot melt adhesive can be used.
  • Nets, sewings and the like can also be used to form a composite be used.
  • Wire mesh can also be used. It is essential that the materials used are non-flammable. They should also, unless they do are to be resolved as intended, such as seams or Glue points, be heat-resistant, so do not melt. Furthermore, they should have appropriate heat insulation properties, e.g. Carbon housing to protect or to protect stainless steel from discoloration. Beyond that only sound absorption or sound transmission properties relevant.
  • novel silencer inserts are made using a new method provided that have improved silencing effect, in addition economical to manufacture, easy to assemble and have a long service life.
  • a new type Muffler insert formed from a predetermined amount of a loose Package made from individual elements of a suitable sound absorbing material, which is shaped and fixed in shape, the fixation in the intended use of the silencer insert can be at least partially canceled.
  • FIG. 1 is a Cross section of a silencer housing 1 shown, in which a sieve tube 4 a damping material 2 is shown in a casing 3. The wrapping is sewn and shows the seam 5. In this state of assembly thus form Cavities and thus options for heat nests resulting in a short Service life or premature wear.
  • the silencer insert oversize, the assembly is arranged in the casing 3 Damping material 2 around the sieve tube 4 by pushing it into the Silencer housing 1 problematic.
  • the silencer insert can completely remove the housing 1 expand completely and the result is the state shown in FIG. 3.
  • Fig. 4 shows an embodiment for a silencer insert in one Intermediate state.
  • the silencer insert 6 has a mat shape and consists of a filled area 7, in which there is a loose in the envelope Containers made of individual elements made of a suitable sound absorbing material, for example fibers of textured E-glass yarn. That results in a protrusion 8 on one of the longitudinal edges.
  • a predetermined amount of loose container 16 formed by sound absorption material is in one Step 10 .
  • a blank 17 is formed from a wrapping material.
  • the cut 17 is only a blank in the exemplary embodiment shown, but can be made from a There are a large number of individual cuts. Comes as wrapping material For example, a fabric made of textured E-glass yarn in question.
  • a process step 11 the loose container 16 is then on the blank 17 spread out and in process step 12 by falling over the casing 17th a web with overhang 18 is formed.
  • a web with overhang 18 is formed.
  • the mat 19 is then wound around a mandrel 20 and into one by two form 21 of the pipe halves are embedded. Thus a Formed assembly element formed.
  • gluing the supernatant 18 with the Wrapping material results in a cylindrical silencer insert 22 according to Method step 15.
  • the silencer insert 22 can also be conical. This has a cylindrical or tubular shape and can be easily in an appropriate silencer housing. By Exposure to heat will adhere the supernatant 18 to the Dissolve the wrapping material and the mat spreads as desired and optimally inside in the housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
  • Woven Fabrics (AREA)
  • Instructional Devices (AREA)
EP99108115A 1998-05-01 1999-04-24 Insert pour silencieux et son procédé de fabrication Expired - Lifetime EP0953736B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930099T SI0953736T1 (en) 1998-05-01 1999-04-24 Insert for a silencer and method for producing it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29807858U 1998-05-01
DE29807858U DE29807858U1 (de) 1998-05-01 1998-05-01 Schalldämpfereinsätze aus texturiertem Glasgarn

Publications (3)

Publication Number Publication Date
EP0953736A2 true EP0953736A2 (fr) 1999-11-03
EP0953736A3 EP0953736A3 (fr) 2000-01-19
EP0953736B1 EP0953736B1 (fr) 2002-06-12

Family

ID=8056543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108115A Expired - Lifetime EP0953736B1 (fr) 1998-05-01 1999-04-24 Insert pour silencieux et son procédé de fabrication

Country Status (7)

Country Link
US (1) US6241043B1 (fr)
EP (1) EP0953736B1 (fr)
JP (1) JPH11324642A (fr)
AT (1) ATE219209T1 (fr)
DE (2) DE29807858U1 (fr)
ES (1) ES2178316T3 (fr)
SI (1) SI0953736T1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426511A1 (fr) * 2002-11-25 2004-06-09 G + H Schallschutz GmbH Dispositif absorbant le bruit
DE102011012156A1 (de) 2011-02-23 2012-08-23 Dbw Holding Gmbh Verfahren zur Herstellung eines Formmatrials aus Fasermaterialien und Vorrichtung hierüber
DE102011012202A1 (de) 2011-02-23 2012-08-23 Dbw Holding Gmbh Schalldämpfereinsatz für Kraftfahrzeuge und Verfahren zur Herstellung hiervon

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1010869A1 (fr) 1998-12-18 2000-06-21 h.k.o. Isolier- und Textiltechnik Gesellschaft mit beschränkter Haftung Elément d'insonorisation à insérer dans un silencieux, silencieux et son procédé de fabrication
US6585078B2 (en) * 2000-12-22 2003-07-01 Race Tools, Inc. Muffler insert
US6446750B1 (en) 2001-03-16 2002-09-10 Owens Corning Fiberglas Technology, Inc. Process for filling a muffler shell with fibrous material
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
US20060037815A1 (en) * 2004-08-18 2006-02-23 Schabel Norman G Jr Particulate insulation materials
ITRM20050107A1 (it) * 2005-03-10 2006-09-11 Vale S R L Materassino realizzato interamente in fibra di vetro.
US8590155B2 (en) * 2009-06-03 2013-11-26 Ocv Intellectual Capital, Llc Apparatus for and process of filling a muffler with fibrous material utilizing a directional jet
US8336673B2 (en) * 2010-07-07 2012-12-25 Bay Industries Inc. Muffler, muffler insert, and methods and apparatus for making
DE202014006987U1 (de) * 2014-09-01 2015-09-03 Reinz-Dichtungs-Gmbh Hitzeschild und mit einem derartigen Hitzeschild abgeschirmtes Bauteil
US9938872B2 (en) 2015-06-09 2018-04-10 Bay Fabrication, Inc. Muffler insert, and systems, methods and apparatus for making

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1627324A (en) * 1925-06-12 1927-05-03 Internat Silencer Company 1926 Silencer for gaseous currents
JPS5428952A (en) * 1977-08-09 1979-03-03 Toyota Motor Corp Silencer for internal combustion engine
US4316523A (en) * 1980-06-04 1982-02-23 Boretti Napoleon P Silencer for gas discharge devices
DE3144193A1 (de) 1981-11-06 1983-05-19 Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen Schallabsorbierender koerper, insbesondere fuer einen einbau in schalldaempfer
DE3205186A1 (de) * 1982-02-13 1983-08-25 Wilfried 6238 Hofheim Seitz Verfahren zum herstellen einer schalldaempf-fuellung fuer einen auspufftopf
DE3642714A1 (de) 1986-12-13 1988-06-16 Witzenmann Metallschlauchfab Abgasleitung fuer verbrennungsmotoren
DE3827863A1 (de) * 1988-08-17 1990-02-22 Leistritz Ag Katalytische abgasreinigungsvorrichtung
US4947957A (en) * 1989-06-16 1990-08-14 Multiform Desiccants, Inc. Regenerable desiccant cartridge for automotive muffler
DE8910785U1 (de) 1989-09-09 1989-12-07 Goertz, Johannes, 4054 Nettetal Texturiertes E-Glasgarn zur Geräuschdämpfung in Absorbtionsschalldämpfern von Verbrennungskraftmaschinen
US5007499A (en) * 1990-02-23 1991-04-16 Carrier Corporation Silencer for a centrifugal compressor
DE9101926U1 (de) 1991-02-19 1991-05-23 Goertz, Johannes, 4054 Nettetal Schalldämpfereinsätze aus texturiertem E-Glasgarn
US5593745A (en) 1994-02-24 1997-01-14 Caterpillar Inc. Insulated port liner assembly
JP2967390B2 (ja) * 1994-04-21 1999-10-25 本田技研工業株式会社 消音器及びその製造方法
JPH08177461A (ja) * 1994-07-15 1996-07-09 Owens Corning Fiberglass Corp エンジン排気マフラー用の予備成形された消音材料
JP2719890B2 (ja) * 1994-09-16 1998-02-25 株式会社ユタカ技研 消音器
US5777947A (en) * 1995-03-27 1998-07-07 Georgia Tech Research Corporation Apparatuses and methods for sound absorption using hollow beads loosely contained in an enclosure
US6053276A (en) * 1998-06-09 2000-04-25 D'amico, Jr.; John Muffler packing method with injection of cartrided continuous filament fiberglass

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426511A1 (fr) * 2002-11-25 2004-06-09 G + H Schallschutz GmbH Dispositif absorbant le bruit
DE102011012156A1 (de) 2011-02-23 2012-08-23 Dbw Holding Gmbh Verfahren zur Herstellung eines Formmatrials aus Fasermaterialien und Vorrichtung hierüber
DE102011012202A1 (de) 2011-02-23 2012-08-23 Dbw Holding Gmbh Schalldämpfereinsatz für Kraftfahrzeuge und Verfahren zur Herstellung hiervon
WO2012113867A1 (fr) 2011-02-23 2012-08-30 Dbw Holding Gmbh Élément de silencieux pour véhicules à moteur et procédé de fabrication correspondant
WO2012113866A1 (fr) 2011-02-23 2012-08-30 Dbw Holding Gmbh Procédé de fabrication d'une matière de moulage à base de matériaux fibreux et dispositif correspondant
DE202012012979U1 (de) 2011-02-23 2014-06-02 Dbw Holding Gmbh Formmaterial aus Fasermaterialien und Vorrichtung zur Herstellung hierfür
DE202012012942U1 (de) 2011-02-23 2014-08-18 Dbw Holding Gmbh Schalldämpfereinsatz für Kraftfahrzeuge
DE102011012202B4 (de) * 2011-02-23 2014-09-25 Dbw Holding Gmbh Schalldämpfereinsatz für Kraftfahrzeuge und Verfahren zur Herstellung hiervon

Also Published As

Publication number Publication date
ATE219209T1 (de) 2002-06-15
US6241043B1 (en) 2001-06-05
DE59901701D1 (de) 2002-07-18
DE29807858U1 (de) 1998-08-27
EP0953736B1 (fr) 2002-06-12
EP0953736A3 (fr) 2000-01-19
ES2178316T3 (es) 2002-12-16
SI0953736T1 (en) 2002-12-31
JPH11324642A (ja) 1999-11-26

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