EP1149233B1 - Verfahren zum herstellen eines schallabsorbierenden isolationsteils und ein nach diesem verfahren hergestelltes isolationsteil - Google Patents
Verfahren zum herstellen eines schallabsorbierenden isolationsteils und ein nach diesem verfahren hergestelltes isolationsteil Download PDFInfo
- Publication number
- EP1149233B1 EP1149233B1 EP00901030A EP00901030A EP1149233B1 EP 1149233 B1 EP1149233 B1 EP 1149233B1 EP 00901030 A EP00901030 A EP 00901030A EP 00901030 A EP00901030 A EP 00901030A EP 1149233 B1 EP1149233 B1 EP 1149233B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheets
- insulating element
- sheet
- sound
- metallic
- 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.)
- Expired - Lifetime
Links
Images
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
- F01N13/14—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 having thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- 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
- Y10T29/496—Multiperforated metal article making
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
- Y10T428/12417—Intersecting corrugating or dimples not in a single line [e.g., waffle form, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
Definitions
- the present invention relates to a method for Production of an insulation part according to the preamble of Claim 1, and an insulation part made therewith according to the preamble of claim 6.
- Such insulation parts are preferably used in the automotive sector and are there for example between the hot catalytic converter and the vehicle floor used.
- WO 91/10560 describes a heat shield with a foil package, the heat-conducting zones, so-called Includes heat sinks, and heat insulating zones.
- the individual foils of the foil package have Embossing or pimples, which lead to the stacked foils are spaced apart.
- the individual foils can be hermetically sealed together associated with which the inclusion of a gas, e.g. Xenon, is made possible.
- a gas e.g. Xenon
- US 5,424,139 discloses an insulation part which is a stack of several thin metallic Scrolling includes between which sheets metallic knitted fabric or an expanded metal-like Spacer is used.
- this object is achieved by a method solved with the features of claim 1, and in particular by a method for producing a sound-absorbing insulation part with at least two metallic sheets, which are in the form of a foil or can have a thin sheet.
- a method for producing a sound-absorbing insulation part with at least two metallic sheets which are in the form of a foil or can have a thin sheet.
- the material in one process step at least one metallic sheet is studded and in a further process step this nubbed sheet connected to at least one second metallic sheet.
- this nubbed sheet connected to at least one second metallic sheet.
- thin sheets are just as fissured as thick foils, or sheets in the form of expanded metal. Of is particularly advantageous if aluminum as Material is used for these sheets.
- a particularly preferred embodiment of the invention provides that the individual metallic Layers, especially foils respectively. Leaves, with each other be cold welded.
- Cold welding a metallurgical connection is understood in the following, by a plastic deformation of two or more neighboring foils or sheets, occurs at which deformation the metallic Material of adjacent leaves integrally connects.
- Such a connection can be used with aluminum achieve when neighboring metal sheets for example be compressed by about 75%.
- this object is achieved by a sound-absorbing Isolation part with the characteristics of the Claim 6 solved, and in particular by a sound absorbing Heat shield, which is at least two comprises metallic sheets, the at least one metallic sheet a variety of knobs and / or Has fissures and with the at least second sheet connected and deformed into a molded insulation part is. It is particularly advantageous if these are metallic Sheets are made of aluminum.
- the method according to the invention proves to be surprising simple and leads to sound absorbing Isolation parts with surprisingly good sound absorption.
- a roller device 14 For the production of the insulation parts according to the invention is in a preferred embodiment web-shaped metal foil 12 from a roll 13 continuously stripped and nubbed by a roller device 14 out.
- This roller device 14 comprises essentially a pimpled roller 15 and a counter roller 16, which is coated with an elastic material, or with a screen-like cooperating with the nub roller 15 Structure can be provided.
- This counter roller 16 presses the film 12 against the nubs of the nub roller 15.
- the knobs of the knob roller 15 and the counter roller 16 coordinated so that the Film 12 at the knobs in this roller device 14 partially tears open.
- the elastic Material of the jacket of the counter roller 16 or through suitable spacing of the rollers can be the number and Size of the fissures 4, 11 in the pimples Foil material 12 can be influenced in a simple manner.
- the brittleness or elasticity also plays a role of the film material to be pimpled.
- the so fissured film 13 is then known in Cut to size 19 and stacked 20. It understands themselves that this method is also designed discontinuously can be and the roller device 14 through suitable press plates can be replaced.
- the fissured leaves with similar or other metallic sheets combined and in known Shaped and fastened together.
- Fissures 4 compared to needled perforations, better dissipate acoustic energy and sound-absorbing insulation parts, in particular Heat shields with an improved acoustic Have effectiveness established.
- the air flow resistance on the surface of an acoustic effect Vary the insulation part in a simple manner and set it so that for any shaped insulation part optimal sound dissipation can be achieved. This optimization or adjustment takes place according to the invention about the number, density and length of the fissures.
- the Film thickness or sheet thickness and the design of the Roller device 14 can have fissures 4, 11 form different lengths.
- a high Fissure density with shorter fissures 4 (which e.g. on Locations with the greatest strain, i.e. on the tips of the knobs 10 occur), can be achieved, and one lower fissure density with longer fissures 11 that extend over two or more knobs 5, generate.
- the material of the web 12 is predetermined Parts cut and stacked.
- cold welding understood a metallurgical connection that by plastic deformation of two or more neighboring sheets comes about, in which Deformation of the metallic material adjacent Connects leaves cohesively. With aluminum leaves achieve such a connection when the material for example compressed by about 75%.
- FIG. 2 shows two fissured and stacked according to the invention Sheets 2, 3. These sheets have a variety from pimples 5 on which make sure the two Sheets 2, 3 are spaced apart.
- the one at the produced manufacturing method according to the invention Fissures 4, 11 are essentially in the range of Noppenkamms 10, because, when pimpling, in this area Stretching of the material occurs most pronounced and according to the invention, the elastic limit of the material is exceeded.
- the sheet material the number and length of each Fissures 4, 11 can be varied.
- the expert is free, the special shape of the knobs in a suitable To design wise, i.e. the individual knobs 5 as hemispherical, frustoconical, pyramidal, cuboid or to form cylindrical protrusions and their density, arrangement and size in the desired manner select.
- the insulation parts according to the invention have at least two sheets 2, 3, of which at least one is fissured according to the invention.
- These sheets 2, 3 are preferably made of aluminum and can imperforate or perforated, especially fissured be, nubbed, ribbed or undeformed, more or less stiff, have different thicknesses or in the form of a Expanded metal.
- these blades can be used as heat shields with carrier plates known type or with metallic insulation fabrics, -filled nonwovens.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Acoustics & Sound (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
- Exhaust Gas After Treatment (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Exhaust Silencers (AREA)
Description
- Fig. 1
- eine schematische Darstellung des erfindungsgemässen Herstellungsverfahrens;
- Fig. 2
- eine schematische Darstellung zweier erfindungsgemäss hergestellter und gestapelter Blätter.
Claims (10)
- Verfahren zum Herstellen eines schallabsorbierenden Isolationsteils, insbesondere eines schallabsorbierenden Hitzeschildes, mit mindestens zwei metallischen Blättern in Form von Folien oder Blechen, von denen mindestens eines genoppt wird, und welche Blätter miteinander verbunden und verformt werden,
dadurch gekennzeichnet, dass mindestens ein fissuriertes Blatt (2) erzeugt wird, indem beim Noppen des Materials des mindestens einen metallischen Blattes die Elastizitätsgrenze desselben derart überschritten wird, dass sich Fissuren (4) bilden. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass mindestens ein Blatt in Form eines Streckmetalls verwendet wird.
- Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass beim Noppen des Materials des mindestens einen Blattes kegelstumpffönaige Noppen erzeugt werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass Aluminium als Material für die Blätter verwendet wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die metallischen Blätter im Randbereich miteinander kaltverschweisst werden.
- Schallabsorbierendes Isolationsteil, insbesondere schallabsorbierendes Hitzeschild, hergestellt nach dem Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass dieses mindestens zwei metallische Blätter in Form von Folien oder Blechen umfasst, von denen mindestens eines eine Vielzahl von Noppen (5) und Fissuren (4, 11) aufweist und welche Blätter (2, 3) miteinander verbunden sind.
- Isolationsteil nach Anspruch 6, dadurch gekennzeichnet, dass dieses mindestens ein Blatt in Form eines Streckmetalls aufweist.
- Isolationsteil nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass die Noppen kegelstumpfförmig sind.
- Isolationsteil nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die metallischen Blätter aus Aluminium bestehen.
- Isolationsteil nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass die metallischen Blätter im Randbereich miteinander kaltverschweisst sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH19299 | 1999-02-02 | ||
CH19299 | 1999-02-02 | ||
PCT/CH2000/000058 WO2000046493A1 (de) | 1999-02-02 | 2000-02-02 | Verfahren zum herstellen eines schallabsorbierenden isolationsteils und ein nach diesem verfahren hergestelltes isolationsteil |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1149233A1 EP1149233A1 (de) | 2001-10-31 |
EP1149233B1 true EP1149233B1 (de) | 2003-01-15 |
EP1149233B2 EP1149233B2 (de) | 2008-09-10 |
Family
ID=4181357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00901030A Expired - Lifetime EP1149233B2 (de) | 1999-02-02 | 2000-02-02 | Verfahren zum herstellen eines schallabsorbierenden isolationsteils und ein nach diesem verfahren hergestelltes isolationsteil |
Country Status (5)
Country | Link |
---|---|
US (1) | US6555246B1 (de) |
EP (1) | EP1149233B2 (de) |
JP (1) | JP3578994B2 (de) |
DE (1) | DE50001089D1 (de) |
WO (1) | WO2000046493A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20319319U1 (de) * | 2003-12-12 | 2005-04-28 | Carcoustics Tech Center Gmbh | Schallabsorbierendes Hitzeschild |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA02010223A (es) * | 2000-04-17 | 2003-05-23 | Rieter Automotive Int Ag | Metodo para producir una pila de laminas acusticamente efectiva para una pantalla termoaislante de un vehiculo automotor. |
JP4117740B2 (ja) * | 2002-12-17 | 2008-07-16 | 日立マクセル株式会社 | 金属多孔体とその製造方法 |
JP2004264374A (ja) * | 2003-02-24 | 2004-09-24 | Kobe Steel Ltd | 薄膜を用いた吸音構造 |
US7585559B2 (en) * | 2003-06-03 | 2009-09-08 | Intellectual Property Holdings, Llc | Foam barrier heat shield |
CH698026B1 (de) * | 2004-02-18 | 2009-04-30 | Sevex Ag | Schallabsorbierendes Schlitzlochblech. |
DE102004019055A1 (de) * | 2004-04-20 | 2005-11-17 | Aksys Gmbh | Vorrichtung zum Abschirmen, Dämmen und/oder Dämpfen von Schall und Verfahren zur Herstellung derselben |
US7842396B2 (en) * | 2004-10-29 | 2010-11-30 | Thermo-Tec Automotive Products, Inc. | Air cooled heat shield |
DE102004053751A1 (de) | 2004-11-06 | 2006-05-11 | Seeber Ag & Co. Kg | Akustik-Verkleidungsteil für ein Fahrzeug |
US7748184B1 (en) | 2005-02-09 | 2010-07-06 | Intellectual Property Holdings, Llc | Body panel having improved stiffness and method of making |
PL1878008T3 (pl) * | 2005-03-18 | 2014-03-31 | Tumane Enterprises Ltd | Urządzenie tłumiące dźwięk kanału przepływowego |
US7851069B2 (en) * | 2005-11-18 | 2010-12-14 | Federal Mogul World-Wide, Inc. | Heat shield with integral attachment flanges |
DE202006001654U1 (de) * | 2006-02-02 | 2006-03-30 | Rieter Technologies Ag | Schallabsorbierendes Isolationsteil mit Verfestigungsprägungen |
JP4762778B2 (ja) * | 2006-04-28 | 2011-08-31 | 三和パッキング工業株式会社 | 金属製積層型カバー |
EP2022957B1 (de) * | 2007-07-26 | 2010-04-21 | Reinz-Dichtungs-Gmbh | Verfahren zur Herstellung eines Hitzeschildes |
EP2019193A1 (de) * | 2007-07-26 | 2009-01-28 | Reinz-Dichtungs-Gmbh | Hitzeschild |
WO2009129139A2 (en) * | 2008-04-14 | 2009-10-22 | 3M Innovative Properties Company | Multilayer sound absorbing sheet |
BRPI0910612A2 (pt) * | 2008-04-22 | 2020-08-04 | 3M Innovative Properties Company | folha absorvente de som híbrido, método para absorção de som e absorvedor de som |
US8573358B2 (en) * | 2008-05-22 | 2013-11-05 | 3M Innovative Properties Company | Multilayer sound absorbing structure comprising mesh layer |
DE102011006145A1 (de) * | 2011-03-25 | 2012-09-27 | Federal-Mogul Sealing Systems Gmbh | Verbundmaterial mit Prägung und Mikroperforierung |
EP2631449B1 (de) * | 2012-02-22 | 2020-07-29 | ISOLITE GmbH | Schallabsorber |
US9695788B2 (en) * | 2012-12-18 | 2017-07-04 | Ford Global Technologies, Llc | Structure to reduce noise and vibration in an engine system |
CN108780640B (zh) * | 2016-03-29 | 2023-06-09 | 富士胶片株式会社 | 隔音结构、隔断结构、窗部件以及笼状物 |
KR102273461B1 (ko) * | 2017-04-13 | 2021-07-07 | 현대자동차주식회사 | 음파투과형 금속판재 및 이를 이용한 흡음형 복합판재 |
US10539375B2 (en) | 2018-01-30 | 2020-01-21 | Dana Automotive Systems Group, Llc | Dimpled heat shield |
WO2024103031A1 (en) * | 2022-11-11 | 2024-05-16 | Slt Technologies, Inc. | Metal-based thermal insulation structures |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0453941A1 (de) * | 1990-04-26 | 1991-10-30 | Unix Corporation Ltd. | Schalldämmende Materialien und Verfahren zu ihrer Herstellung |
WO1997027370A1 (en) * | 1996-01-25 | 1997-07-31 | Sontech Ab | Soundabsorbing element and procedure for manufacture of this element and use of this element |
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US2076807A (en) * | 1930-12-19 | 1937-04-13 | Burgess Lab Inc C F | Sound absorbing construction |
US2004747A (en) * | 1931-05-15 | 1935-06-11 | John A Daly | Manufacture of gold inlays |
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GB757300A (en) * | 1951-09-25 | 1956-09-19 | Plessey Co Ltd | A method and means for applying metal foil to plastic sheet material |
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US4343866A (en) | 1975-10-16 | 1982-08-10 | Manville Service Corporation | Deeply embossed sheet product |
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EP0622161A4 (de) * | 1992-09-21 | 1996-11-20 | Ohara Metal Industry Co Ltd | Perforiertes blech,verfahren zu dessen herstellung,sowie unterstuetzungsteil und platte einer das blech verwendenden zelle. |
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US5958603A (en) * | 1997-06-09 | 1999-09-28 | Atd Corporation | Shaped multilayer metal foil shield structures and method of making |
US5939212A (en) * | 1997-06-09 | 1999-08-17 | Atd Corporation | Flexible corrugated multilayer metal foil shields and method of making |
KR100373601B1 (ko) * | 1997-12-30 | 2003-02-26 | 리이터 오토모티브 (인터내셔날) 아게 | 단열 패킷, 그 단열 패킷의 제조 방법 및 상기 방법을 수행하기 위한 절삭 공구 |
-
2000
- 2000-02-02 US US09/889,355 patent/US6555246B1/en not_active Expired - Lifetime
- 2000-02-02 WO PCT/CH2000/000058 patent/WO2000046493A1/de active IP Right Grant
- 2000-02-02 EP EP00901030A patent/EP1149233B2/de not_active Expired - Lifetime
- 2000-02-02 DE DE50001089T patent/DE50001089D1/de not_active Expired - Lifetime
- 2000-02-02 JP JP2000597543A patent/JP3578994B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0453941A1 (de) * | 1990-04-26 | 1991-10-30 | Unix Corporation Ltd. | Schalldämmende Materialien und Verfahren zu ihrer Herstellung |
WO1997027370A1 (en) * | 1996-01-25 | 1997-07-31 | Sontech Ab | Soundabsorbing element and procedure for manufacture of this element and use of this element |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20319319U1 (de) * | 2003-12-12 | 2005-04-28 | Carcoustics Tech Center Gmbh | Schallabsorbierendes Hitzeschild |
Also Published As
Publication number | Publication date |
---|---|
JP3578994B2 (ja) | 2004-10-20 |
WO2000046493A1 (de) | 2000-08-10 |
JP2002536184A (ja) | 2002-10-29 |
EP1149233B2 (de) | 2008-09-10 |
US6555246B1 (en) | 2003-04-29 |
DE50001089D1 (de) | 2003-02-20 |
EP1149233A1 (de) | 2001-10-31 |
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