EP0926320A2 - Procédé de fabrication d' un silencieux à absorption - Google Patents

Procédé de fabrication d' un silencieux à absorption Download PDF

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Publication number
EP0926320A2
EP0926320A2 EP98117027A EP98117027A EP0926320A2 EP 0926320 A2 EP0926320 A2 EP 0926320A2 EP 98117027 A EP98117027 A EP 98117027A EP 98117027 A EP98117027 A EP 98117027A EP 0926320 A2 EP0926320 A2 EP 0926320A2
Authority
EP
European Patent Office
Prior art keywords
glass wool
silencer
filler
shell
inner tube
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
EP98117027A
Other languages
German (de)
English (en)
Other versions
EP0926320A3 (fr
EP0926320B1 (fr
Inventor
Roland Ackermann
Bernd Müller
Norbert Klein
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.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher GmbH and Co KG
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
Priority claimed from DE19811192A external-priority patent/DE19811192A1/de
Application filed by J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP0926320A2 publication Critical patent/EP0926320A2/fr
Publication of EP0926320A3 publication Critical patent/EP0926320A3/fr
Application granted granted Critical
Publication of EP0926320B1 publication Critical patent/EP0926320B1/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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • 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
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/06—Inserting sound absorbing material into a chamber
    • 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 invention relates to a method for producing a Absorption silencer for motor vehicles with an im Muffler body arranged soundproofing material, as well an absorption silencer manufactured in Half-shell or wrap construction itself, being in a cavity of the silencer body in Form of glass wool as an expanded endless fiberglass roving is introduced.
  • absorption silencers have annular gaps and / or chambers in which the sound absorbing material, in particular glass wool, is arranged.
  • the soundproofing material is around the semi-finished product of an inner shell or Inner tube attached before the outer shell is assembled and with the inner shell or the inner tube, e.g. about one Fold or a weld, is connected.
  • the order of the incompatible flexible sound absorption material to the designated places or in the designated places Chambers of a silencer and the subsequent one Assembly of the silencer body are comparative tedious and costly.
  • the object of the invention is a simplified method for Manufacture of an absorption silencer using simple To provide funds and accordingly a To create silencers in a simple way.
  • An absorption silencer manufactured by the method according to the invention is characterized by the characteristics of the Claim 9.
  • the muffler is advantageously further developed by the Features of claims 10 to 15.
  • the glass wool is provided by means of at least one rigid filler pipe or a flexible one Filling hose over one or more in the silencer body to introduce trained filling openings
  • the filling openings at different points depending on Construction type of the silencer can be provided, namely on the outer jacket or on the outer skin, and / or the inner shell or on the inner tube, namely on a radial (Mantle) point and / or at the axial end face with the outer jacket and / or with the inner tube or with the inner shell.
  • the small) Filling openings can, after pulling out the Filling tube or hose, again easily getting closed.
  • the glass wool is preferably under pressure through the fill tube or the filler hose in the silencer body pressed and / or by a vacuum inside the silencer body sucked in.
  • the filling openings are expediently before or after an assembly of a silencer body and again after inserting the sound absorbing material closed.
  • the outer skin or the outer shell of the Muffler body for a formation of the fill opening incised and it becomes the incised section deformed so that a filling gap is created.
  • the glass wool becomes the deformed incised section molded back and with the rest of the outer skin or welded outer shell if necessary.
  • One end can also be partially inward on the circumference deformed inner tube after inserting the glass wool shaped back into the original, preferably round shape become.
  • a hole or a jacket perforation in the inner shell or in the inner tube by inserting one Intermediate tube in the inner shell or in the inner tube again be closed.
  • the hole or holes are pressure equalization openings, which when filling the glass wool get the pressure equalization.
  • the holes also used to fill the interior with glass wool become.
  • an absorption silencer manufactured according to the invention in half-shell or wrap construction is so in completely prefabricated and completely assembled Muffler body retrofitted from the outside Sound absorbing material provided in the form of glass wool.
  • the outer skin or outer shell has at least one fill opening through which the glass wool is introduced and which are closed after the glass wool has been introduced becomes.
  • the filling opening of a glass wool provided later Muffler body can have a welded closure in the form of a welded plug or alternatively one have riveted closure.
  • the silencer body provided with glass wool can pressed outer shell or an at least partially compressed Have outer shell, which if necessary is still welded.
  • An inner shell deformed on the face or one on the face deformed inner tube of a silencer body provided with glass wool is expediently reshaped, preferably with the help of a thorn.
  • the inner shell or the inner tube of the silencer body suitably has a hole or a jacket perforation for pressure equalization when filling the glass wool, which after inserting the glass wool through an inserted Intermediate tube is closed.
  • the hole or the Jacket perforation can also be used to insert the glass wool the inside of the silencer can be used.
  • glass wool is therefore placed in a silencer body after folding and welding from the outside over one or several holes by means of a probe or a filling hose introduced or pipe. Then the Holes closed.
  • a manufacturing process saves production time and assembly time compared to the beginning known methods mentioned, resulting in competitive advantages surrender.
  • the glass wool as filler good environmental compatibility (better than when used of basalt wool).
  • Figures 1 to 8 comprises an absorption silencer a silencer body 1 in shell construction.
  • the silencer has two outer half shells 4 and a closed inner tube 5.
  • the glass wool 2 is in the completely prefabricated and final assembled Silencer body 1 retrofitted from the outside, by means of a probe or a rigid one Filler tube 15 or a flexible filler hose with or without a nozzle attached at the end.
  • the filler pipe 15 is used for filling the cavity 13 in a previously formed Filling opening 3 of the sound insulation body 1 introduced and then endless fiberglass material underneath Pressure from a storage container or from a glass wool spool packed inside the muffler, under expansion and confusion of glass fibers into a so-called Glass fiber spun, such that the whole to be filled Cavity 13 practically the same down to the last corner Density is filled. After inserting the glass wool the filler pipe 15 is pulled out of the filler opening and closed the filling opening again.
  • the silencer partially shown in Figures 4 to 6 So has a completely prefabricated silencer body 1 in the form of an inner tube 5, which of the two outer half-shells 4 is surrounded, with inner tube 5 and Outer shells 4 by a fold 12 in the area of the outer shells 4 are firmly connected to one another in an axial central region is located between the inner tube 5 and the outer shells 4 a cavity 13 to be filled with glass wool 2.
  • the filling opening 3 can be designed differently.
  • the filling opening 3 can be in the outer shell 4 trained bore, which after insertion of the Glass wool is closed again, e.g. through a welded Closure 10 in the form of a on the outer shell 4th welded plug, as shown in Figure 1, or by a riveted closure 11, as shown in FIG 2 is illustrated.
  • the filling opening can also be through a U-shaped incision be produced in the outer shell 4, as in Figure 3 is shown. After a cut, the cut one Section 6 deformed or bent to ultimately form the filling opening 3. After an introduction the glass wool 2, the bent section 6 is shaped back again and welded.
  • the filling opening 3 can be deformed by the Outer shells 4 in the area of an axial end of the outer shells 4 be formed so that a gap 7 or a filler channel according to Figure 4 arises through which glass wool 2 in the Muffler interior can be introduced.
  • the glass wool becomes the deformation of the two outer shells 4 reshaped by pressing together of the two outer shells in the area there, so that the Gap 7 or the filling channel is closed again. Possibly becomes the bent area of the two half-shells still spot or seam welded to a flawless Establish tightness and strength of the silencer.
  • the outer shells 5 are deformed around the filling opening 3 to train. After filling the glass wool the deformed inner tube 5 is bent back exactly round, around the filling opening at the axial end of the outer shells 4 close again.
  • the inner shell or the inner tube 5 have a hole 3 or 8 or a perforation on the shell side, which are used to fill the cavity 13 with glass wool 2 can be used.
  • the hole or the jacket perforation is closed again after filling by an intermediate pipe 9 coaxially inserted into the inner tube 5 tightly and is fixed axially.
  • Last hole 8 can also as a pressure compensation hole when filling one other filling opening can be used.
  • filling opening 3 on the outer shell 4 on the jacket side according to FIGS. 1, 2 or 3 or on the front side can be designed according to Figure 4. Furthermore can the filling opening 3 on the inner shell or in the inner tube 5 jacket side according to FIG. 6 or front side according to FIG. 5 be located.
  • the invention allows despite the complete construction of the silencer body even internal cavities that are difficult to access 13 satisfactory and easy to retrofit with glass wool be packed.
  • a shell muffler is shown in FIGS. 7 and 8, which has such cavities 13 at the same time or one after the other through two or one filler pipe 15 on the end face and can be filled on the shell side.
  • FIGS. which also has several (here front) filling openings has, through which filling through filler tubes 15 or packing cavities 13 is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
EP98117027A 1997-12-24 1998-09-09 Procédé de fabrication d' un silencieux à absorption Expired - Lifetime EP0926320B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19757810 1997-12-24
DE19757810 1997-12-24
DE19811192 1998-03-14
DE19811192A DE19811192A1 (de) 1997-12-24 1998-03-14 Verfahren zur Herstellung eines Absorptions-Schalldämpfers

Publications (3)

Publication Number Publication Date
EP0926320A2 true EP0926320A2 (fr) 1999-06-30
EP0926320A3 EP0926320A3 (fr) 2003-01-02
EP0926320B1 EP0926320B1 (fr) 2006-05-24

Family

ID=26042829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117027A Expired - Lifetime EP0926320B1 (fr) 1997-12-24 1998-09-09 Procédé de fabrication d' un silencieux à absorption

Country Status (3)

Country Link
US (1) US6158547A (fr)
EP (1) EP0926320B1 (fr)
DE (1) DE59813552D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002006643A3 (fr) * 2000-07-18 2002-06-27 Owens Corning Fiberglass Corp Silencieux rempli de fibres multicouche et son procede de fabrication
WO2002060763A3 (fr) * 2001-02-01 2002-11-21 Owens Corning Composites Sprl Procede de chargement d'un silencieux et silencieux charge au moyen de materiau fibreux
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
WO2016145244A1 (fr) * 2015-03-11 2016-09-15 Ocv Intellectual Capital, Llc Procédés et systèmes de remplissage de silencieux avec une matière fibreuse

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6317959B1 (en) * 1999-02-16 2001-11-20 Owens Corning Sweden A.B. Process and apparatus for packing insulation material in a passage between first and second elements
US6668972B2 (en) 2000-11-07 2003-12-30 Owens Corning Fiberglas Technology, Inc. Bumper/muffler assembly
US6467571B2 (en) * 2000-12-11 2002-10-22 Nakagawa Sangyo Co., Ltd. Sound absorbing material, muffler using the sound absorbing material, and method for forming sound absorbing layer thereof
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
US6607052B2 (en) 2001-09-12 2003-08-19 Owens Corning Composites Sprl Muffler shell filling process and muffler filled with fibrous material
US7077922B2 (en) 2003-07-02 2006-07-18 Owens Corning Composites S.P.R.L. Technique to fill silencers
DE102006016096B3 (de) * 2006-04-04 2007-12-13 J. Eberspächer GmbH & Co. KG Bauteilanordnung und zugehöriges Herstellungsverfahren
US7942237B2 (en) 2006-04-12 2011-05-17 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system with integrated reflective chamber
US7934580B2 (en) 2006-04-12 2011-05-03 Ocv Intellectual Capital, Llc Long fiber thermoplastic composite muffler system
FR2911165B1 (fr) * 2007-01-10 2010-01-22 Faurecia Sys Echappement Procede pour la fabrication d'un element d'echappement d'une ligne d'echappement d'un vehicule a moteur thermique et element d'echappement, notamment obtenu par la mise en oeuvre de ce procede
DE102007010814A1 (de) * 2007-03-06 2008-09-11 Arvinmeritor Emissions Technologies Gmbh Schalldämpfer-Dämmelement, Schalldämpfer sowie Verfahren zur Herstellung eines Schalldämpfers
DE102007027372A1 (de) * 2007-06-11 2008-12-18 Cognis Oleochemicals Gmbh Verfahren zur Hydrierung von Glycerin
US7975382B2 (en) 2007-10-30 2011-07-12 Ocv Intellectual Capital, Llc Method for filling a muffler cavity
US20100307863A1 (en) * 2007-12-14 2010-12-09 Ocv Intellectual Capital, Llc Composite muffler system thermosetable polymers
US8474115B2 (en) 2009-08-28 2013-07-02 Ocv Intellectual Capital, Llc Apparatus and method for making low tangle texturized roving
CN103925053A (zh) * 2013-01-14 2014-07-16 三河三友汽车部件有限公司 车用消音器的制造方法
DE102016106125A1 (de) * 2016-04-04 2017-10-05 Faurecia Emissions Control Technologies, Germany Gmbh Isoliervorrichtung für eine Abgasanlage, Abgasanlage und Verfahren zur Herstellung einer Isoliervorrichtung
CN112996989B (zh) * 2018-10-12 2022-08-23 科瑞法特股份有限公司 消声器的玻璃纤维丝填充方法及玻璃纤维丝填充装置
JP7195183B2 (ja) * 2019-03-06 2022-12-23 三恵技研工業株式会社 消音器及びその製造方法
JP7260511B2 (ja) * 2020-08-07 2023-04-18 株式会社ユタカ技研 消音器への吸音材充填方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091413A2 (fr) 1982-04-06 1983-10-12 Scandinavian Glasfiber AB Récipient à travers lequel s'écoule un gaz, préférentiellement un silencieux, avec remplissage de fibres de verre, et procédé et dispositif pour le remplir

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146249B1 (fr) * 1983-11-18 1989-01-18 TBA Industrial Products Limited Produits en fibres de verre
JPH0526025A (ja) * 1991-07-17 1993-02-02 Osaka Tanshiya Yohin Kogyo Kk 排気消音器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091413A2 (fr) 1982-04-06 1983-10-12 Scandinavian Glasfiber AB Récipient à travers lequel s'écoule un gaz, préférentiellement un silencieux, avec remplissage de fibres de verre, et procédé et dispositif pour le remplir

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002006643A3 (fr) * 2000-07-18 2002-06-27 Owens Corning Fiberglass Corp Silencieux rempli de fibres multicouche et son procede de fabrication
US6543576B1 (en) 2000-07-18 2003-04-08 Owens-Corning Fiberglas Technology, Inc. Multiple layer fiber filled sound absorber and a method of manufacturing the same
WO2002060763A3 (fr) * 2001-02-01 2002-11-21 Owens Corning Composites Sprl Procede de chargement d'un silencieux et silencieux charge au moyen de materiau fibreux
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
WO2016145244A1 (fr) * 2015-03-11 2016-09-15 Ocv Intellectual Capital, Llc Procédés et systèmes de remplissage de silencieux avec une matière fibreuse
CN107407187A (zh) * 2015-03-11 2017-11-28 Ocv智识资本有限责任公司 用于以纤维材料填充消音器的方法和系统
US10525495B2 (en) 2015-03-11 2020-01-07 Ocv Intellectual Capital, Llc Methods and systems for filling mufflers with fibrous material
CN107407187B (zh) * 2015-03-11 2020-01-17 Ocv智识资本有限责任公司 用于以纤维材料填充消音器的方法和系统

Also Published As

Publication number Publication date
EP0926320A3 (fr) 2003-01-02
EP0926320B1 (fr) 2006-05-24
US6158547A (en) 2000-12-12
DE59813552D1 (de) 2006-06-29

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