EP0919703A3 - Method of making an air gap isolated exhaust manifold for a vehicle - Google Patents

Method of making an air gap isolated exhaust manifold for a vehicle Download PDF

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Publication number
EP0919703A3
EP0919703A3 EP98119975A EP98119975A EP0919703A3 EP 0919703 A3 EP0919703 A3 EP 0919703A3 EP 98119975 A EP98119975 A EP 98119975A EP 98119975 A EP98119975 A EP 98119975A EP 0919703 A3 EP0919703 A3 EP 0919703A3
Authority
EP
European Patent Office
Prior art keywords
air gap
exhaust pipes
exhaust
welded
insulated
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
EP98119975A
Other languages
German (de)
French (fr)
Other versions
EP0919703A2 (en
EP0919703B1 (en
Inventor
Pierre Bonny
Thomas Hülsberg
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0919703A2 publication Critical patent/EP0919703A2/en
Publication of EP0919703A3 publication Critical patent/EP0919703A3/en
Application granted granted Critical
Publication of EP0919703B1 publication Critical patent/EP0919703B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • 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
    • F01N13/1883—Construction facilitating manufacture, assembly, or disassembly manufactured by hydroforming
    • 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
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
    • 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
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49879—Spaced wall tube or receptacle

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Exhaust Silencers (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Herstellung eines luftspaltisolierten Abgaskrümmers einer Abgasanlage eines Fahrzeuges. Um in einfacher Weise eine prozeßsichere und exakt reproduzierende Herstellung von bauraumsparenden luftspaltisolierten Abgaskrümmern zu erreichen, wird vorgeschlagen, daß der Abgaskrümmer aus mehreren luftspaltisolierten Abgasrohren sowie den zugehörigen Eingangsflanschen und dem Ausgangsflansch zusammengefügt wird, welche mittels des Innenhochdruck-Umformverfahrens aus jeweils einem Doppelrohr luftspaltisoliert ausgeformt werden, daß die miteinander zu verbindenden Enden der luftspaltisolierten Abgasrohre zuerst unter Öffnung des jeweiligen Luftisolierspaltes beschnitten und dann ineinandergesteckt werden, wobei die Enden so ausgeformt sind, daß die Steckverbindungen der Außenrohre und der Innenrohre der zu verbindenden Abgasrohre mit Spiel erfolgen, daß die miteinander verbundenen Außenrohrenenden der Abgasrohre an der Stelle ihrer Steckverbindung unter Bildung einer Rundnaht miteinander verschweißt werden, und daß die verbindungsfreien an den Zylinderkopf anzuschließenden Enden der Abgasrohre mit den jeweils zugehörigen Eingangsflanschen zusammengesteckt und verschweißt werden und das verbindungsfreie zylinderkopfabgewandte Ende des letzten der in der Reihe nebeneinander angeordneten verzweigten Abgasrohre mit dem Ausgangsflansch zusammengesteckt und mit diesem verschweißt wird.

Figure 00000001
The invention relates to a method for producing an air gap-insulated exhaust manifold of an exhaust system of a vehicle. In order to achieve a process-reliable and exactly reproducing production of space-saving air gap insulated exhaust manifolds in a simple manner, it is proposed that the exhaust manifold is assembled from a plurality of air gap insulated exhaust pipes and the associated input flanges and the output flange, which are formed by means of the hydroforming process from each double tube air gap isolated in that the ends of the air gap-insulated exhaust pipes to be joined together are first cut open at the opening of the respective Luftisolierspaltes and then inserted into each other, wherein the ends are formed so that the connections of the outer tubes and the inner tubes of the exhaust pipes to be connected with play done that the interconnected outer tube ends the exhaust pipes are welded together at the location of their connector to form a circumferential seam, and that the connection-free connected to the cylinder head ends of the exhaust pipes with the respective associated input flanges are plugged together and welded and the connection-free end remote from the cylinder head of the last of the series juxtaposed branched exhaust pipes is plugged together with the output flange and welded thereto.
Figure 00000001
EP98119975A 1997-11-28 1998-10-22 Method of making an air gap isolated exhaust manifold for a vehicle Expired - Lifetime EP0919703B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752773 1997-11-28
DE19752773A DE19752773C2 (en) 1997-11-28 1997-11-28 Method for producing an air gap-insulated exhaust manifold of a vehicle exhaust system

Publications (3)

Publication Number Publication Date
EP0919703A2 EP0919703A2 (en) 1999-06-02
EP0919703A3 true EP0919703A3 (en) 2003-03-12
EP0919703B1 EP0919703B1 (en) 2003-11-26

Family

ID=7850096

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119975A Expired - Lifetime EP0919703B1 (en) 1997-11-28 1998-10-22 Method of making an air gap isolated exhaust manifold for a vehicle

Country Status (4)

Country Link
US (1) US6343417B1 (en)
EP (1) EP0919703B1 (en)
DE (2) DE19752773C2 (en)
ES (1) ES2210643T3 (en)

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DE19952648C2 (en) * 1998-10-23 2001-12-20 Leistritz Abgastech Air gap insulated cup manifold
US6425243B1 (en) * 1999-05-10 2002-07-30 Ford Global Tech., Inc. Hybrid exhaust manifold for combustion engines
DE19923557B4 (en) * 1999-05-21 2006-07-13 Daimlerchrysler Ag A built air gap insulated exhaust manifold of an exhaust system of a motor vehicle and a method for its production
DE29913241U1 (en) 1999-08-04 1999-12-30 IWK Regler und Kompensatoren GmbH, 76297 Stutensee Device for connecting a pipe to an internal combustion engine
DE10102896B4 (en) * 2001-01-23 2004-01-15 Benteler Automobiltechnik Gmbh Process for the production of an exhaust manifold
DE10331614A1 (en) * 2003-07-12 2005-02-10 Daimlerchrysler Ag Flange assembly of an engine cylinder head and a method of manufacturing the flange assembly
DE102004009109A1 (en) 2004-02-25 2005-09-15 Borgwarner Turbo Systems Gmbh Method for connecting a sheet metal component such as a pipe with a cast metal component such as an opening of a housing, in particular for exhaust system
DE102004021196B4 (en) * 2004-04-29 2006-10-05 J. Eberspächer GmbH & Co. KG Air gap insulated exhaust manifold
DE102005011639B4 (en) * 2005-03-14 2015-10-22 Faurecia Emissions Control Technologies, Germany Gmbh Air gap insulated exhaust manifold
DE102005025735B3 (en) * 2005-06-04 2006-09-07 Daimlerchrysler Ag Welded joint of air gap insulated waste gas bend useful in automobile construction has connecting flange, inner part for guiding hot gases and outer jacket
US7305763B2 (en) * 2005-07-26 2007-12-11 Board Of Trustees Of Michigan State University Hydroformed port liner
WO2007081669A2 (en) * 2006-01-03 2007-07-19 Metaldyne Company, Llc Dual wall exhaust manifold and method of making same
US7788960B2 (en) * 2006-10-27 2010-09-07 Cummins Filtration Ip, Inc. Multi-walled tube and method of manufacture
DE102006058218A1 (en) * 2006-12-11 2008-06-12 Witzenmann Gmbh Method and preprocessed pipe for producing a pipe with a bend or with a bend executed as a polygon
US8793850B2 (en) 2006-12-11 2014-08-05 Witzenmann Gmbh Method for producing a tube with a bent progression as a transverse progression
KR100993376B1 (en) * 2007-07-06 2010-11-09 기아자동차주식회사 Turbo charge system of engine
DE102007062661A1 (en) 2007-12-24 2009-06-25 J. Eberspächer GmbH & Co. KG collector
DE102007062659A1 (en) 2007-12-24 2009-06-25 J. Eberspächer GmbH & Co. KG Exhaust manifold and related manufacturing process
ES2331225B1 (en) * 2008-04-25 2010-09-29 Eads Construcciones Aeronauticas, S.A. DOUBLE WALL CONDUCT SYSTEM.
DE102008047448B4 (en) * 2008-09-16 2020-09-24 Bayerische Motoren Werke Aktiengesellschaft Exhaust gas turbocharger
CN102466104B (en) 2010-11-08 2015-08-26 通用电气公司 Pipeline and delivery method
DE102013113214A1 (en) * 2013-11-29 2015-06-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Suction arrangement for an internal combustion engine
USD765142S1 (en) * 2014-08-08 2016-08-30 Kenneth J. Hunter Combustion engine intake manifold for snowmobiles and all terrain vehicles
USD779559S1 (en) * 2015-02-09 2017-02-21 Dixon Valve & Coupling Company, Inc. Intake manifold
US10151414B2 (en) 2015-02-09 2018-12-11 Dixon Valve & Coupling Company Intake manifold
US9957863B2 (en) * 2016-06-27 2018-05-01 Indmar Products Company, Inc. Exhaust conduits for marine engine exhaust systems
US10464652B2 (en) 2018-01-23 2019-11-05 Indmar Products Company Inc. Riser conduits having inner tube extensions for marine engine exhaust systems

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US4644747A (en) * 1986-02-10 1987-02-24 General Motors Corporation Low-stress shielded exhaust passage assemblies
US5189790A (en) * 1990-06-22 1993-03-02 Benteler Aktiengesellschaft Method of fabricating a double walled pipe elbow
EP0717179A1 (en) * 1994-12-16 1996-06-19 Firma J. Eberspächer Air gap insulation exhaust manifold
DE19511514C1 (en) * 1995-03-29 1996-08-01 Daimler Benz Ag Exhaust manifold for IC engine

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US4928509A (en) * 1987-07-29 1990-05-29 Mitsui & Co., Ltd. Method for manufacturing a pipe with projections
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US6026570A (en) * 1994-05-11 2000-02-22 Zeuna-Staker Gmbh & Co., Kg Method for producing an exhaust gas manifold for a multi-cylinder engine
DE4428435A1 (en) * 1994-08-11 1996-02-15 Huber & Bauer Gmbh Production method for air gap insulated tube
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DE19518252C2 (en) * 1995-05-18 1997-05-22 Schaefer Maschbau Wilhelm Method and device for producing a metal downpipe using the hydroforming process
US5673470A (en) * 1995-08-31 1997-10-07 Benteler Automotive Corporation Extended jacket end, double expansion hydroforming
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DE19706386B4 (en) * 1997-02-19 2006-03-16 Daimlerchrysler Ag Method for producing an air-gap-insulated exhaust manifold
DE19713411C2 (en) 1997-04-01 2001-02-15 Benteler Werke Ag Process for producing a double-walled exhaust manifold
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Publication number Priority date Publication date Assignee Title
US4644747A (en) * 1986-02-10 1987-02-24 General Motors Corporation Low-stress shielded exhaust passage assemblies
US5189790A (en) * 1990-06-22 1993-03-02 Benteler Aktiengesellschaft Method of fabricating a double walled pipe elbow
EP0717179A1 (en) * 1994-12-16 1996-06-19 Firma J. Eberspächer Air gap insulation exhaust manifold
DE19511514C1 (en) * 1995-03-29 1996-08-01 Daimler Benz Ag Exhaust manifold for IC engine

Also Published As

Publication number Publication date
EP0919703A2 (en) 1999-06-02
DE59810260D1 (en) 2004-01-08
DE19752773C2 (en) 1999-09-02
DE19752773A1 (en) 1999-06-02
ES2210643T3 (en) 2004-07-01
US6343417B1 (en) 2002-02-05
EP0919703B1 (en) 2003-11-26

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