WO2006015730A1 - Fahrzeugabgasreinigungsvorrichtung und verfahren zum hertellen derselben - Google Patents
Fahrzeugabgasreinigungsvorrichtung und verfahren zum hertellen derselben Download PDFInfo
- Publication number
- WO2006015730A1 WO2006015730A1 PCT/EP2005/008210 EP2005008210W WO2006015730A1 WO 2006015730 A1 WO2006015730 A1 WO 2006015730A1 EP 2005008210 W EP2005008210 W EP 2005008210W WO 2006015730 A1 WO2006015730 A1 WO 2006015730A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- exhaust gas
- purification device
- vehicle exhaust
- gas purification
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
-
- 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
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
-
- 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
- F01N13/1894—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells the parts being assembled in longitudinal direction
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Definitions
- the invention relates to a vehicle exhaust gas purification device, comprising a multi-part outer housing having a tube formed by a circumferential jacket portion and provided at the axial ends of the tube end walls with a
- Inlet and has an outlet, and one housed in the outer housing
- Filter body through which the exhaust gas flows and cleans it.
- Such vehicle exhaust gas purification devices are, for example, catalysts or soot filters.
- the filter bodies are e.g. formed by bonded together, extruded, one-piece, monolithic single body, in particular of SiC material.
- the end walls of the outer housing have funnel sections widening towards the tube, to which a radial, annular section adjoins.
- a metal jacket To a filter body inside the device, an insulation or swelling mat and then wrapped around the mat, a metal jacket.
- This metal jacket is made by a longitudinal weld to a pipe.
- the end walls are attached, wherein the end faces of the tube abut axially against the radial portions and the radial portions projecting outwardly relative to the pipe still something. In this projecting area, the end walls are finally welded to the pipe.
- the invention provides a vehicle exhaust gas purification device that is easier to manufacture with on average higher quality.
- a method for producing the vehicle exhaust gas purification device according to the invention is to be specified.
- At least one end wall has a deformed, angled towards the tube, substantially cylindrical shell approach on which the tube rests in the radial direction.
- the tube and at least one end wall are inserted axially into one another and then lie radially against each other, thus positioning each other. This eliminates the previously expensive positioning between end walls and pipe. This results in a higher process reliability for the subsequent welding or soldering. Due to the changed geometry results in a more homogeneous power flow, and the notch effect of the weld deleted by their other position.
- the device according to the invention is suitable not only for the connection of circular cylindrical tubes with the end walls, but also deviating from it geometries, such as so-called triovalen pipes. These are largely triangular, with strongly rounded corners, which instead of the flat sides of the triangle and a large curvature having pages may be provided.
- Another advantage which is achieved by the invention is the very precisely adjustable axial compression of a wire knit ring, which hitherto in the region of the inner edge between the associated end wall and the
- Filter body was clamped axially. Due to the axial telescoping of tube and end walls, the axial preload force can be adjusted exactly.
- the seam of the end wall to the tube has much lower tolerances than in the prior art, in which a Abbrandnaht was provided.
- the technique is problematic especially the non-uniform contour of the tube formed by winding, which does not allow exactly predeterminable and consistent position relative to the end walls.
- the mantle shoulder and / or associated pipe end should be tapered radially inward toward their axial ends or radially outwardly expanded to form an insertion chamfer for the axial mating of mantle neck and pipe. As a result, the assembly can be facilitated.
- the inside part (pipe end or jacket approach) is retracted according to the preferred embodiment further radially inward, compared to the tube center.
- the inner part protects the so-called bearing mat, which is wound around the filter body, against excessive erosion and the effect of heat.
- Mantelansatz trained end wall or end walls has a pipe widening funnel portion (inflow or outflow) and a pipe towards this subsequent radial section has.
- the jacket approach then connects to the radial section.
- the jacket approach is formed by deep drawing and subsequent axial trimming. Only in the following step is the trimmed edge plastically deformed radially inward, which is also called retraction.
- the resulting advantages will be erläu ⁇ tert later with reference to the drawings.
- a particularly preferred embodiment with regard to high Prozeß ⁇ safety and easy, easy installation of the outer housing is obtained when an axially acting latching connection is provided between the pipe and shell approach.
- This latching connection is preferably used for pre-assembly fixation between pipe and mantle attachment. This means that the end walls and the tube are axially inserted into one another, and the axial positioning is achieved by the latching connection. There is no additional tool for exact positioning of the parts to each other for the subsequent welding or soldering necessary.
- End wall or end walls and pipe are already aligned correctly, both axially by the locking connection and radially through the connector.
- the tool costs for the assembly of pipe and Stirn ⁇ walls and for the support during the subsequent welding or Löt ⁇ process can be reduced.
- the latching connection is e.g. formed by a recess and at least one projecting into the recess projection on the pipe or on the mantle.
- the indentation and the projection are produced simply by plastic deformation of the corresponding parts.
- the method according to the invention for producing the explained vehicle exhaust gas purification device provides the following steps:
- the jacket approach is preferably formed by edge-side deep drawing of the end wall, wherein projecting radially outwardly extending flange from the shell approach to the free edge. This flange is usually used to clamp the end wall in the thermoforming tool edge.
- This separation should be done inwardly prior to forming the edge resulting from the separation so that the end wall can be made within narrower axial tolerances.
- the tube and the end wall can be locked in place when being nested into one another and thereby axially positioned.
- FIG. 1 shows a longitudinal sectional view through a first embodiment of the vehicle exhaust gas purification device according to the invention
- FIG. 2 shows a cross-sectional view through the device along the line H-II in FIG. 1,
- FIG. 3 is an enlarged view of the area indicated by X in FIG. 1,
- FIG. 4 shows the region shown in FIG. 3 in a somewhat modified embodiment
- FIG. 5 shows the region shown in FIG. 3 in a further modified embodiment
- FIG. 6 shows the device in the region of the corner joint shown in FIG. 3 in various method steps
- FIG. 8 is a plan view of the tube in Figure 7, wherein only one half is shown.
- the device has a 3-part outer housing 10 with a longitudinally welded from a metal sheet, a circumferential jacket forming tube 12 and attached to the open end faces of the tube 12 end walls 14.
- a filter body 16 in the form of a monolithic Dieselrußfilters or a Catalyst accommodated, passes through the exhaust gas (see arrows).
- an insulating or swelling mat 18 is wound, through which the filter body 16 is mounted frictionally in the outer housing 10.
- the mat 18 also serves to compensate for tolerances as well as the limitation of the biasing force applied to the filter body 16 by the outer housing 10.
- the filter body 16 and the tube 12 each have a deviating from the circular outer geometry, which is defined by three flat or not curved portions 20 and three relatively strongly curved, the sections 20 connecting portions 22 ( Figure 2).
- the tube 12 is formed by a wound around the filter body 16 and the mat 18 sheet metal, which is circumferentially closed at its outer longitudinal edge 24 by welding.
- the two end walls 14 are made by deep drawing and each have a funnel section 26 which widens toward the tube 12 and forms an inlet 28 or outlet 30 for incoming or outgoing exhaust gas.
- Each funnel section 26 is adjoined by a radial section 32 towards the tube 12.
- a radial section 32 At the radial portion 32 then adjacent to the pipe 12 angled, cylindrical mantle projection 34, with which the end walls 14 'are inserted into the interior of the tube 12 and with which they rest in the radial direction on the tube 12.
- the jacket extension 34 is retracted to the free edge 36 inwardly, so that the inner side 38 projects further inward than the inner side 40 of the tube 12 in the region of the tube center.
- the tube 12 in turn, widens slightly radially outward toward its free axial end in region 42.
- both the tube 12 and the jacket extension 34 has a
- Insertion bevel which facilitate the axial mating of the end wall 14 and the tube 12. Due to the free edge 36 of the jacket projection 34 pulled inwards by plastic deformation, the annular gap 44 between the outer circumference of the filter body 16 and the inside of the outer housing 10 (in this case the inner side 40) is reduced. This results in a lower mass flow of hot gas through the annular gap 44 and thus both lower bypass currents and a lower thermal load of the mat 18th
- a wire knit ring 46 can be clamped axially between the radial portion 32 and the end wall 50 of the filter body 16, which further reduces the bypass flow and axially clamps the filter body 16.
- the tube 12 has a smaller wall thickness than the end wall 14.
- the tube 12 and the end walls 14 are welded or soldered at the axial end of the tube along the entire circumference.
- the corresponding weld bears the reference numeral 48.
- FIG. 4 corresponds essentially to that just described, so that functionally identical parts correspond to the reference elements already introduced. and in the following only the differences have to be dealt with.
- the jacket projection 34 ends upstream of the end wall 50 of the filter body 16 and radially inwardly of its outer circumference 52. Also in this embodiment, the free edge 36 of the jacket projection 34 is drawn inwardly, in the form of an arc in cross-section. By this design, the flow is directed to the end wall 50, and there is a small bypass flow in the annular gap 44.
- the mantle projection 34 has a chamfer, but not the tube 12, which at its axial ends obliquely radially extends inwardly to thereby reduce the annular gap 44 thereby.
- the tube 12 is also drawn radially obliquely inward at its axial end, but the end wall 14 is placed on the tube 12, with its region 42 substantially linear on the inside of the slightly outwardly projecting jacket approach
- the manner of producing the end walls 14 in the region of the jacket projection is briefly explained below with reference to FIG.
- the originally flat sheet metal is provided with an opening and clamped in the deep drawing tool along its outer edge (flange 56) and then deep-drawn. This results in a kind of step between the jacket projection 34 and the radial section 32 and the subsequent funnel section 26.
- the flange 56 is separated in the region of the outer circumference of the jacket projection 34.
- the cutting line is designated 58.
- the free edge 36 formed by the trimming is deformed in the direction of arrow inwards to form the inlet slope.
- the jacket projection 34 is or can be made slightly tapered in total tapered inwardly.
- a somewhat modified process in which the shell extension 34 is not formed with the same during the deep-drawing process, envisages forming a substantially wider flange 56 '. This wider flange 56 is then cut to size along cut line 60. In the next step, the resulting free edge 36 'is bent inwardly by more than 90 °, so that the jacket projection 34 and a certain insertion be created. However, since the material will partially flow when bent over at the tight radii between the skirt 34 and the radial portion 32, i. flowing in the length, the dimension d is very difficult to keep in close tolerances.
- tube 12 and end walls 14 are already pre-assembled in the axial direction by a latching connection 62, 64, which acts in the axial direction, before the weld seams 48 are set.
- a latching connection 62, 64 which acts in the axial direction, before the weld seams 48 are set.
- this in the region 42 has a circumferential bead 66 (FIG. 8), which forms an encircling projection 68 on the inside.
- the Mantel ⁇ approach 34 has a corresponding groove-shaped recess 70 into which the projection 68 engages when the left end wall 14 is pushed into the tube 12.
- the jacket projection 34 also has complementarily shaped, point-shaped recesses 70 ', whereby in the circumferential direction tube 12 and end wall 14 are aligned with each other. It should be emphasized that the end wall 14 can of course also be an intermediate piece between two filter bodies connected in series.
- double-walled end wall units can be installed by the invention. These are formed into funnels, nested plates, which preferably have a common point of attachment to the tube. After this connection point, however, they have an annular gap between them, which serves for thermal insulation.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/572,971 US7662204B2 (en) | 2004-08-03 | 2005-07-28 | Device for purifying exhaust gases of a motor vehicle and method for the production thereof |
EP05767867A EP1774146A1 (de) | 2004-08-03 | 2005-07-28 | Fahrzeugabgasreinigungsvorrichtung und verfahren zum hertellen derselben |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004037480.5 | 2004-08-03 | ||
DE102004037480A DE102004037480A1 (de) | 2004-08-03 | 2004-08-03 | Fahrzeugabgasreinigungsvorrichtung und Verfahren zum Herstellen derselben |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006015730A1 true WO2006015730A1 (de) | 2006-02-16 |
Family
ID=35058843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/008210 WO2006015730A1 (de) | 2004-08-03 | 2005-07-28 | Fahrzeugabgasreinigungsvorrichtung und verfahren zum hertellen derselben |
Country Status (6)
Country | Link |
---|---|
US (1) | US7662204B2 (de) |
EP (1) | EP1774146A1 (de) |
KR (1) | KR100861737B1 (de) |
CN (1) | CN101010496A (de) |
DE (1) | DE102004037480A1 (de) |
WO (1) | WO2006015730A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8092748B2 (en) * | 2005-09-23 | 2012-01-10 | Emcon Technologies Germany (Augsburg) Gmbh | Housing for a component of an exhaust system and method of producing such a housing |
EP3543498A1 (de) * | 2018-03-20 | 2019-09-25 | Eberspächer Exhaust Technology GmbH & Co. KG | Verfahren zur herstellung eines schalldämpfers |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101687132B (zh) * | 2007-05-04 | 2012-09-05 | 陶氏环球技术公司 | 改进的蜂窝式过滤器 |
DE102008016236A1 (de) * | 2008-03-27 | 2009-10-01 | J. Eberspächer GmbH & Co. KG | Abgasbehandlungseinrichtung |
DE102009014435A1 (de) * | 2009-03-26 | 2010-10-14 | J. Eberspächer GmbH & Co. KG | Abgasbehandlungseinrichtung |
DE102010015271A1 (de) | 2010-04-15 | 2011-10-20 | J. Eberspächer GmbH & Co. KG | Abgasbehandlungseinrichtung |
DE102010034743A1 (de) | 2010-08-19 | 2012-02-23 | J. Eberspächer GmbH & Co. KG | Abgasreinigungsvorrichtung, Abgasanlage, Ausbauverfahren |
JP5912605B2 (ja) * | 2012-02-03 | 2016-04-27 | 本田技研工業株式会社 | 排気マフラー装置 |
JP6027748B2 (ja) * | 2012-02-03 | 2016-11-16 | 本田技研工業株式会社 | 排気マフラー装置 |
DE102012207960B3 (de) * | 2012-05-11 | 2013-08-08 | Eberspächer Exhaust Technology GmbH & Co. KG | Partikelfilter |
DE102013208184A1 (de) | 2013-05-03 | 2014-11-06 | Eberspächer Exhaust Technology GmbH & Co. KG | Abgasanlagenkomponente |
WO2015056651A1 (ja) * | 2013-10-15 | 2015-04-23 | イビデン株式会社 | 排ガス浄化装置 |
DE102014208093A1 (de) * | 2014-04-29 | 2015-10-29 | Mahle Lnternational Gmbh | Wärmeübertrager |
US10436094B2 (en) * | 2017-01-30 | 2019-10-08 | Acat Global | Swaged shell |
DE102018126577A1 (de) * | 2018-10-25 | 2020-04-30 | Eberspächer Exhaust Technology GmbH & Co. KG | Verfahren zur Herstellung einer Abgasbehandlungsanordnung |
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US5656245A (en) * | 1995-11-14 | 1997-08-12 | Nippon Reinz Co., Ltd. | Catalytic converter for cleaning exhaust gas |
DE19626692A1 (de) * | 1996-07-03 | 1998-01-15 | Zeuna Staerker Kg | Abgasreinigungsvorrichtung für einen Verbrennungsmotor sowie Verfahren zu ihrer Herstellung |
WO1999017905A1 (en) * | 1997-10-07 | 1999-04-15 | Arvin Industries, Inc. | Method and apparatus for assembling exhaust components |
US20020071791A1 (en) * | 2000-12-13 | 2002-06-13 | Foster Michael Ralph | Catalytic converter |
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-
2004
- 2004-08-03 DE DE102004037480A patent/DE102004037480A1/de not_active Withdrawn
-
2005
- 2005-07-28 CN CNA200580026303XA patent/CN101010496A/zh active Pending
- 2005-07-28 KR KR1020077004125A patent/KR100861737B1/ko not_active IP Right Cessation
- 2005-07-28 WO PCT/EP2005/008210 patent/WO2006015730A1/de active Application Filing
- 2005-07-28 US US11/572,971 patent/US7662204B2/en active Active
- 2005-07-28 EP EP05767867A patent/EP1774146A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5656245A (en) * | 1995-11-14 | 1997-08-12 | Nippon Reinz Co., Ltd. | Catalytic converter for cleaning exhaust gas |
DE19626692A1 (de) * | 1996-07-03 | 1998-01-15 | Zeuna Staerker Kg | Abgasreinigungsvorrichtung für einen Verbrennungsmotor sowie Verfahren zu ihrer Herstellung |
WO1999017905A1 (en) * | 1997-10-07 | 1999-04-15 | Arvin Industries, Inc. | Method and apparatus for assembling exhaust components |
US20020071791A1 (en) * | 2000-12-13 | 2002-06-13 | Foster Michael Ralph | Catalytic converter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8092748B2 (en) * | 2005-09-23 | 2012-01-10 | Emcon Technologies Germany (Augsburg) Gmbh | Housing for a component of an exhaust system and method of producing such a housing |
EP3543498A1 (de) * | 2018-03-20 | 2019-09-25 | Eberspächer Exhaust Technology GmbH & Co. KG | Verfahren zur herstellung eines schalldämpfers |
US11208940B2 (en) | 2018-03-20 | 2021-12-28 | Purem GmbH | Process for manufacturing a muffler |
Also Published As
Publication number | Publication date |
---|---|
DE102004037480A1 (de) | 2006-03-02 |
US20080093421A1 (en) | 2008-04-24 |
KR100861737B1 (ko) | 2008-10-06 |
KR20070038162A (ko) | 2007-04-09 |
US7662204B2 (en) | 2010-02-16 |
CN101010496A (zh) | 2007-08-01 |
EP1774146A1 (de) | 2007-04-18 |
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