EP0933509B1 - Collecteur d'échappement - Google Patents

Collecteur d'échappement Download PDF

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Publication number
EP0933509B1
EP0933509B1 EP98118632A EP98118632A EP0933509B1 EP 0933509 B1 EP0933509 B1 EP 0933509B1 EP 98118632 A EP98118632 A EP 98118632A EP 98118632 A EP98118632 A EP 98118632A EP 0933509 B1 EP0933509 B1 EP 0933509B1
Authority
EP
European Patent Office
Prior art keywords
pipe
sliding seat
connection
sliding fit
pipe connection
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
Application number
EP98118632A
Other languages
German (de)
English (en)
Other versions
EP0933509B2 (fr
EP0933509A1 (fr
Inventor
Johannes Bussmann
Andreas Dr.-Ing. Fritz
Jürgen Dipl.-Ing. Kleinschmidt
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.)
Benteler Deutschland GmbH
Original Assignee
Benteler Deutschland GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7855927&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0933509(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Benteler Deutschland GmbH filed Critical Benteler Deutschland GmbH
Publication of EP0933509A1 publication Critical patent/EP0933509A1/fr
Publication of EP0933509B1 publication Critical patent/EP0933509B1/fr
Application granted granted Critical
Publication of EP0933509B2 publication Critical patent/EP0933509B2/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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • 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
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/10—Exhaust treating devices having provisions not otherwise provided for for avoiding stress caused by expansions or contractions due to temperature variations
    • 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled

Definitions

  • the invention relates to an exhaust manifold according to the features in the preamble of claim 1.
  • a generic ad gas manifold is known from DE-A-43 39 290.
  • Such an exhaust manifold comprises a curved end section, to which usually two T sections are attached.
  • the end section and the T sections point a flange connection and a pipe connection.
  • the T-sections have a sliding seat socket.
  • the T sections are also via the flange connection like the end section with a head flange on the motor side Connection of the exhaust manifold connected.
  • the end section is to enable expansion compensation and the T-sections with each other via sliding seats connected.
  • the sliding seat socket extends a T-section the pipe connection of the end section or the pipe connection of an adjacent T-section end.
  • the T-sections of the exhaust manifold are made from a straight line Pipe section made. To do this, use hydraulic high pressure is essentially rectangular Spout-shaped bulge protruding from the pipe axis generated. This is cut at the end by a saw cut open. In this way the flange connection manufactured.
  • the sliding seat socket is from one end of the output pipe is formed.
  • the disadvantage of this is that the length of the flange connection due to the hydroforming training is limited to a maximum of one to two times the diameter of an outlet pipe. A greater length of the flange connection could lead to an impermissible thinning of the material to lead. The design of other component parts must therefore be matched to the short flange length become. This also defines the top flange difficult. Furthermore, the installation conditions of the Exhaust manifold affected because the anchor points for the fixing on the engine is more difficult to access. In order to encounter the constructive design and the technical Use of such an exhaust manifold to its limits.
  • the invention is therefore based on the prior art based on the task of improving its functionality To create exhaust manifolds.
  • the key point of the invention is the measure, the sliding seat socket due to internal high pressure molding on the outer radius to form a pipe bend.
  • a curved tube is used as the output tube.
  • For the sliding seat socket is first on the outer radius of the pipe bend hydraulically generated a bulge. This is opened at the end by a saw cut.
  • the saw cut is preferably oblique to the vertical Transverse plane of the bulge or the pipe connection of a T-piece led.
  • the flange connection of a T-piece can be technical or design requirements are carried out for a correspondingly long time his. As a result, both the attachment of the head flange as well as the assembly of the exhaust manifold on the engine.
  • the length of a sliding seat socket can be proportionate be kept short. There is a relationship in practice the length of the sliding seat socket to the diameter a pipe bend of about 0.3 to 0.7, preferably 0.5, on. This is an advantageous hydroforming technique Manufacture of the sliding seat socket possible without that material thinning is to be feared.
  • the sliding seat between the end section and subsequent T section or between the T sections with each other is achieved by inserting the respective sliding seat socket guaranteed with the pipe connection.
  • the sliding seat socket the respective Grips pipe connection. It will be a reliable Exhaust gas routing guaranteed.
  • the in the sliding seat socket immersed ends of the pipe connections are chamfered, in such a way that they follow the contour of a pipe bend to adjust. In this way, an impairment of Exhaust gas routing or flow conditions in the pipe network avoided.
  • a double-walled design is also within the scope of the invention of the exhaust manifold possible.
  • the invention is based on one in the figure illustrated embodiment described in more detail.
  • the exhaust manifold 1 shows an exhaust manifold 1 with a multi-channel inflow side 2 and a single-channel Outflow side 3.
  • the exhaust manifold 1 essentially comprises three manifold components, namely a curved one End section 4, to which two T sections 5 and 6 are attached.
  • the end section 4 and the T section 5 and the T section 5 and the T-section 6 each have a sliding seat 7 or 8 connected to each other.
  • the bent end section 4 has a flange connection 9 and a pipe connection 10. Also the T-sections 5, 6 have a flange connection 11, 12 and a pipe connection 13, 14. Also have the T sections 5, 6 each have a sliding seat socket 15, 16.
  • Each T section 5, 6 is made of a pipe bend 17, 18 made on the wall of the sliding seat socket 15th or 16 is formed.
  • the saw cut is made obliquely, so that the ends 21, 22 of the sliding seat socket 15, 16 accordingly at an angle to the vertical plane runs obliquely. Also the end 23 of the pipe connection 10 and the end 24 of the pipe connection 13 is chamfered. In this way there is an impairment of the flow conditions avoided in the manifold area 19 or 20.
  • the sliding seat 7 or 8 is formed in that the sliding seat socket 15 of the T section 5 overlaps the pipe connection 10 and the sliding seat socket 16 of the T section 6 overlaps the pipe connection 13 of the T section 5, the sliding seat socket 15 or 16 and the pipe connections 10 and 13 are each media-tight. Accordingly, the diameter D 1 of the sliding seat socket 15, 16 is larger by a corresponding amount than the diameter D 2 of the pipe connections 10 and 13, respectively.
  • the ratio of the length L S of a sliding seat socket 15, 16 measured along the center line ML to the diameter D of a pipe bend 17, 18, which corresponds to D 2 , is 0.5.
  • an exhaust manifold 1 is on his Inflow side 2 a head flange, not shown here fixed.
  • the flange connections are towards the top flange 9 or 11 and 12 expanded in diameter.
  • On the outflow side 3 also closes via a Sliding seat an exhaust pipe or intermediate pipe with a end flange.

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)
  • Fluid-Damping Devices (AREA)

Claims (4)

  1. Collecteur d'échappement présentant une section d'extrémité (4) courbée, sur laquelle s'articulent au moins deux sections en T (5, 6) respectivement par l'intermédiaire d'un siège coulissant (7, 8), la section d'extrémité (4) et les sections en T (5, 6) comportant respectivement une bride de raccordement (9, 11, 12) ainsi qu'un raccord tubulaire (10, 13, 14) et chaque section en T (5, 6) possédant un ajutage ou tubulure à siège coulissant (15, 16), caractérisé en ce que l'ajutage ou tubulure à siège coulissant (15, 16) est réalisé par formage à haute pression interne sur le rayon extérieur (Ra) d'un raccord tubulaire coudé (17, 18).
  2. Collecteur d'échappement selon la revendication 1, caractérisé en ce que l'ajutage ou tubulure à siège coulissant (15, 16) et/ou le raccord tubulaire (10, 13) sont conçus en oblique sur le côté d'extrémité.
  3. Collecteur d'échappement selon la revendication 1 ou 2, caractérisé en ce que le rapport entre la longueur de la tubulure ou ajutage à siège coulissant et le diamètre du raccord coudé tubulaire est d'environ 0,5.
  4. Collecteur d'échappement selon l'une des revendications 1 à 3, caractérisé en ce que la tubulure ou ajutage à siège coulissant (15) de la section en T (5) emprisonne par le dessus le raccord tubulaire (10) de la section d'extrémité (4) et la tubulure ou ajutage coulissant (16) de la section en forme de T (6) emprisonne par le dessus le raccord tubulaire (13) de la section en T (5) sur le côté d'extrémité.
EP98118632A 1998-01-29 1998-10-01 Collecteur d'échappement Expired - Lifetime EP0933509B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803275A DE19803275A1 (de) 1998-01-29 1998-01-29 Abgaskrümmer
DE19803275 1998-01-29

Publications (3)

Publication Number Publication Date
EP0933509A1 EP0933509A1 (fr) 1999-08-04
EP0933509B1 true EP0933509B1 (fr) 2001-03-28
EP0933509B2 EP0933509B2 (fr) 2005-02-16

Family

ID=7855927

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118632A Expired - Lifetime EP0933509B2 (fr) 1998-01-29 1998-10-01 Collecteur d'échappement

Country Status (7)

Country Link
US (1) US6134886A (fr)
EP (1) EP0933509B2 (fr)
BR (1) BR9804289A (fr)
CZ (1) CZ294172B6 (fr)
DE (2) DE19803275A1 (fr)
ES (1) ES2159417T5 (fr)
PT (1) PT933509E (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19923557B4 (de) * 1999-05-21 2006-07-13 Daimlerchrysler Ag Gebauter luftspaltisolierter Abgaskrümmer einer Abgasanlage eines Kraftfahrzeuges und ein Verfahren zu dessen Herstellung
US6293098B1 (en) * 2000-08-29 2001-09-25 George J. Coates Method and apparatus for joining pressurized exhaust manifold sections
DE10200638C2 (de) * 2002-01-10 2003-12-11 Benteler Automobiltechnik Gmbh Anordnung zur Führung von Abgas aus einem Verbrennungsmotor
DE602004006698T2 (de) * 2003-12-01 2007-10-04 Nissan Motor Co., Ltd., Yokohama Abgaskrümmer für eine Brennkraftmaschine
KR100794018B1 (ko) 2006-10-31 2008-01-10 현대자동차주식회사 배기 매니폴드
JP2013213491A (ja) * 2012-03-08 2013-10-17 Calsonic Kansei Corp 二重管式エキゾースト・マニホールド
US20150315666A1 (en) * 2014-04-30 2015-11-05 Ford Global Technologies, Llc Induction annealing as a method for expanded hydroformed tube formability
US9422857B2 (en) * 2014-12-17 2016-08-23 Caterpillar Inc. Exhaust nozzle tip device and system
CN117418928A (zh) 2016-02-05 2024-01-19 康明斯有限公司 用于均衡发动机气缸背压的系统和方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514020A1 (de) * 1995-04-13 1996-10-17 Daimler Benz Ag Abgassammelrohr, insbesondere für eine Brennkraftmaschine in einem Kraftfahrzeug, und Verfahren zu dessen Herstellung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179884A (en) * 1977-08-08 1979-12-25 Caterpillar Tractor Co. Watercooled exhaust manifold and method of making same
US4644747A (en) * 1986-02-10 1987-02-24 General Motors Corporation Low-stress shielded exhaust passage assemblies
JPS63162918A (ja) * 1986-12-25 1988-07-06 Kazuhito Fukazawa マニホ−ルドおよびその製造方法
US5159811A (en) * 1990-07-16 1992-11-03 Caterpillar Inc. Flexible coupling device for use in an engine manifold system
DE4228187C2 (de) * 1992-08-25 1995-04-27 Hde Metallwerk Gmbh Abgaskrümmer für Verbrennungsmotoren
EP0623739B1 (fr) * 1993-05-03 1995-12-20 Volkswagen Aktiengesellschaft Collecteur
DE4339290C2 (de) * 1993-11-18 1995-11-02 Daimler Benz Ag Verfahren zum Herstellen von Rohr-T-Stücken aus einem unverzweigt durchgehenden Ausgangsrohrstück durch Innenhochdruck-Umformung sowie Vorrichtung zur Durchführung des Verfahrens
DE4444760C2 (de) * 1994-12-16 2003-02-13 Eberspaecher J Gmbh & Co Luftspaltisolierter Abgaskrümmer
DE19510602C1 (de) * 1995-03-23 1996-04-11 Daimler Benz Ag Fächerartiger Abgaskrümmer für mehrzylindrige Brennkraftmaschinen
DE19511514C1 (de) * 1995-03-29 1996-08-01 Daimler Benz Ag Abgaskrümmer für eine Brennkraftmaschine
DE19606003A1 (de) * 1996-02-17 1997-06-12 Daimler Benz Ag Schiebesitz-Rohrverbindung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514020A1 (de) * 1995-04-13 1996-10-17 Daimler Benz Ag Abgassammelrohr, insbesondere für eine Brennkraftmaschine in einem Kraftfahrzeug, und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
DE59800573D1 (de) 2001-05-03
ES2159417T5 (es) 2005-09-01
US6134886A (en) 2000-10-24
ES2159417T3 (es) 2001-10-01
DE19803275A1 (de) 1999-08-12
BR9804289A (pt) 1999-12-21
CZ322398A3 (cs) 1999-08-11
CZ294172B6 (cs) 2004-10-13
EP0933509B2 (fr) 2005-02-16
EP0933509A1 (fr) 1999-08-04
PT933509E (pt) 2001-07-31

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