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EP0582205B1 - Collecteur d'échappement - Google Patents

Collecteur d'échappement Download PDF

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Publication number
EP0582205B1
EP0582205B1 EP93112104A EP93112104A EP0582205B1 EP 0582205 B1 EP0582205 B1 EP 0582205B1 EP 93112104 A EP93112104 A EP 93112104A EP 93112104 A EP93112104 A EP 93112104A EP 0582205 B1 EP0582205 B1 EP 0582205B1
Authority
EP
European Patent Office
Prior art keywords
exhaust manifold
flange
manifold according
inner tube
cylinder
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
EP93112104A
Other languages
German (de)
English (en)
Other versions
EP0582205A1 (fr
Inventor
Klaus Krüger
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.)
ERHARDT BISCHOFF GMBH & CO KG
Original Assignee
Erhardt Bischoff & Co KG 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
Application filed by Erhardt Bischoff & Co KG GmbH filed Critical Erhardt Bischoff & Co KG GmbH
Publication of EP0582205A1 publication Critical patent/EP0582205A1/fr
Application granted granted Critical
Publication of EP0582205B1 publication Critical patent/EP0582205B1/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
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features 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
    • 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
    • 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
    • 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
    • F01N2450/24—Methods or apparatus for fitting, inserting or repairing different elements by bolts, screws, rivets or the like

Definitions

  • the invention is based on an insulated exhaust manifold which is attached, for example, to a cylinder head using a flange.
  • the gas-carrying inner tube is surrounded by an outer tube which in many cases has a bearing, a distance being formed between the tubes. This distance can be filled with air or filled with an insulating material.
  • the outer tube has approximately the same shape as the inner tube and is attached to the cylinder flange at the same locations as the gas-carrying inner tube. On In this way, the outer tube must be constructed from several partial shells, which then have to be connected to one another in a relatively complicated process for forming the outer tube.
  • an inner skin consisting of two half-shells is present, which is surrounded by an insulating body consisting of two partial shells.
  • the outside is covered by an outer shell, which also consists of two parts.
  • the two half-shells of the outer shell can only be connected to one another after they have been attached to the inner skin.
  • the invention has for its object to provide an exhaust manifold that is inexpensive to manufacture and has high strength.
  • the invention proposes an exhaust manifold with the features of claim 1. Further training is the subject of the subclaims.
  • the outer tube By designing the outer tube as a hood, the number of parts required for producing the exhaust manifold is reduced, and thus the number of connection or fastening processes.
  • the hood is made in a size that can be placed over the inner tube. The shape of the hood no longer has to follow the shape of the inner tube. It can therefore be manufactured with relatively little effort. At the same time, the space between the inner tube and the hood increases, which can lead to better thermal insulation. Due to the larger surface of the hood, it can give off its heat better to the outside. This reduces the temperature load and increases the service life of the exhaust manifold.
  • the hood is designed as a one-piece sheet metal part.
  • the invention proposes in a further development that the hood is welded to the cylinder flange essentially along the edge thereof. This also leads to an increase in the strength of the exhaust manifold.
  • the hood prefferably be welded to the collecting flange essentially along its edge.
  • the cylinder flange and / or collecting flange is designed as a sheet metal plate, it also being possible, of course, to provide a plurality of sheet metal plates lying flat on one another to form the flanges.
  • the cylinder flange and the collector flange are connected directly to one another. This further increases the strength of the exhaust manifold, since it leads to a stiffening of the collecting flange.
  • the connection of the collector flange to the cylinder flange also results in thermal relief of the collector flange.
  • the cylinder flange and the collecting flange are part of a common circuit board. This board can be produced in one operation, so that no subsequent connection is required.
  • circuit board is angled, one part of the cylinder flange and the part separated by the bend forms the collecting flange.
  • the inner tube is passed through an opening of the collecting flange, insulated from the latter in particular through an air gap.
  • the inner tube can then be held in the forward tube. So there is a thermal decoupling between the gas-carrying and therefore hot inner tube and the flange and thus also the hood.
  • the inner tube can be constructed from a plurality of sections which can be connected to one another by sliding seats, the sliding seats possibly being sealed by a corrugated bellows.
  • the space between the gas-carrying inner tube and the hood can be filled with air, but it is also possible to fill it with an insulating material.
  • the part of the exhaust manifold shown in FIG. 1 contains a cylinder flange 1 which is constructed from an angled sheet metal plate 2 and a sealing plate 3 arranged on the side of the sheet metal plate 2 facing the cylinder head.
  • the sealing plate 3 can in particular consist of a different material.
  • a plurality of holes 4 passing through the circuit board 2, 3 are provided for fastening to the cylinder head.
  • a plurality of pipe parts 5a, 5b, 5c are fastened to the cylinder flange 1, which together form an inner pipe 5 carrying the exhaust gas of the engine.
  • the individual parts 5a, 5b, 5c of the inner tube 5 are connected to one another by sliding seats, so that a length compensation can take place when heated.
  • the part of the angled sheet metal plate 2 which is angled with respect to the plane of the cylinder flange 1 forms a collecting flange 6 to which a corresponding flange of the further pipeline can be screwed.
  • the collecting flange contains a central opening 7 for the passage of the inner tube 5.
  • the inner tube 5 is passed through the opening 7 in such a way that it has a radial distance from the edge of the opening 7 on all sides. So there is no touch. Even if the inner tube 5 heats up more than the angled plate 2, the distance from the edge of the opening is maintained.
  • the collecting flange 6 has threaded bores 8 in the region of its corners, into which screws for fastening the flange of the front pipe can be screwed. It is of course also possible to have 6 nuts in the area of the bores on the inside of the collecting flange visible in FIG. 1 8 welded, which then have the thread for the screws. It is also possible to weld bolts in the form of studs or combinations of both.
  • a hood 9 shown in the correct position in FIG. 2 is placed on the part of the exhaust manifold shown in FIG. 1.
  • the hood 9 is produced as a one-piece sheet metal part by pulling and has an opening directed downward in FIG. 2.
  • the edge of the sheet metal part 9 delimiting the opening corresponds approximately to the shape and dimensions of the angled sheet metal plate 2.
  • Three indentations 11 are formed in the mutually parallel side walls 10 of the hood 9, which lie in the axial extension of the holes 4. The indentations 11 provide access to the screws with which the exhaust manifold is screwed onto the cylinder head.
  • the hood 9 is placed on the angled sheet metal plate 2 and welded along the edge of the two angled parts both to the cylinder flange 1 and to the collecting flange 6. This results in a very stable arrangement of the circuit board 2 and the hood 9 with a simple construction. This arrangement is shown in FIG. 3. It can be seen that the indentations 11 allow access to the holes 4. The edge of the hood 9 lies flat on the top of the sheet metal plate 2 and can be welded there.
  • the end region 12 of the gas-carrying inner tube 5 protruding through the collecting flange 6 can then be plugged into a front tube and, if necessary, form a sliding fit there with a further tube part.
  • the one-piece connection of the collecting flange 6 with the cylinder flange 1 not only results in a stiffening of the exhaust manifold, but also a thermal relief of the collecting flange. This is further reinforced by the annular gap between the gas-carrying inner tube 5 and the edge of the opening 7 of the collecting flange 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Claims (12)

  1. Collecteur d'échappement, comportant
    1.1 une bride de culasse (1) pour poser le collecteur d'échappement sur une culasse de cylindres,
    1.2 une bride d'assemblage (6) pour le raccordement d'un tuyau en aval,
    1.3 un tuyau intérieur (5) de conduite des gaz, et
    1.4 une coiffe (9), qui
    1.4.1 enveloppe le tuyau intérieur (5) par tous les côtés,
    1.4.2 présente un espacement par rapport à celui-ci, de façon à former un espace intermédiaire,
    1.4.3 est réalisée sous forme d'une pièce en tôle emboutie,
    1.4.4 est raccordée, et notamment soudée à la bride de culasse (1), et
    1.4.5 qui est raccordée, et notamment soudée à la bride d'assemblage (6),
       collecteur d'échappement caractérisé en ce que la coiffe (9) est fabriquée avec des dimensions telles qu'elle peut être posée d'un bloc, après sa fabrication, par-dessus le tuyau intérieur (5).
  2. Collecteur d'échappement selon la revendication 1, dans lequel la coiffe (9) est réalisée en une seule pièce de tôle emboutie.
  3. Collecteur d'échappement selon la revendication 1 ou 2, dans lequel la coiffe (9) est soudée à la bride de culasse (1), pour l'essentiel sur le bord de celle-ci.
  4. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel la coiffe (9) est soudée à la bride d'assemblage (6), pour l'essentiel sur le bord de celle-ci.
  5. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel la bride de culasse (1) et/ou la bride d'assemblage (6) est réalisée sous forme de plaque de tôle.
  6. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel la bride de culasse (1) et la bride d'assemblage (6) sont directement raccordées entre elles.
  7. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel la bride de culasse (1) et la bride d'assemblage (6) font partie d'une platine commune (2).
  8. Collecteur d'échappement selon la revendication 7, dans lequel la platine (2) est pliée à angle.
  9. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel le tuyau intérieur (5) est introduit au-travers d'un orifice (7) de la bride d'assemblage (6), et séparé de cette dernière, en particulier par un intervalle.
  10. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel le tuyau intérieur (5) présente au moins un logement coulissant.
  11. Collecteur d'échappement selon la revendication 10, dans lequel le logement coulissant est étanchéifié par un soufflet annelé.
  12. Collecteur d'échappement selon l'une quelconque des revendications précédentes, dans lequel l'espace intermédiaire compris entre le tuyau intérieur (5) et la coiffe (9) est rempli de matière isolante.
EP93112104A 1992-08-07 1993-07-29 Collecteur d'échappement Expired - Lifetime EP0582205B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4226171 1992-08-07
DE4226171A DE4226171A1 (de) 1992-08-07 1992-08-07 Abgaskrümmer

Publications (2)

Publication Number Publication Date
EP0582205A1 EP0582205A1 (fr) 1994-02-09
EP0582205B1 true EP0582205B1 (fr) 1996-04-10

Family

ID=6465081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93112104A Expired - Lifetime EP0582205B1 (fr) 1992-08-07 1993-07-29 Collecteur d'échappement

Country Status (4)

Country Link
EP (1) EP0582205B1 (fr)
AT (1) ATE136623T1 (fr)
DE (2) DE4226171A1 (fr)
ES (1) ES2086158T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8429906B2 (en) 2008-12-18 2013-04-30 Friedrich Boysen Gmbh & Co. Kg Single-wall manifold

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19507439A1 (de) * 1995-03-03 1996-09-05 Bischoff Erhardt Gmbh Co Kg Auspuffkrümmer
DE10200638C2 (de) * 2002-01-10 2003-12-11 Benteler Automobiltechnik Gmbh Anordnung zur Führung von Abgas aus einem Verbrennungsmotor
DE10230015A1 (de) * 2002-07-04 2004-01-22 Bayerische Motoren Werke Ag Abgas-Krümmer für eine Brennkraftmaschine
FR2916800A1 (fr) * 2007-05-30 2008-12-05 Faurecia Sys Echappement Dispositif d'isolation d'un collecteur d'echappement
DE102007062660A1 (de) † 2007-12-24 2009-06-25 J. Eberspächer GmbH & Co. KG Abgaskrümmer
FR2930288B1 (fr) * 2008-04-16 2010-06-04 Faurecia Sys Echappement Ensemble collecteur de ligne d'echappement comprenant un collecteur et un boitier.
CN104595000B (zh) * 2015-01-04 2018-04-06 无锡市佳宜车厢制造有限公司 应用于柴油机的排气隔热罩及其生产工艺
GB2571270A (en) * 2018-02-21 2019-08-28 Jaguar Land Rover Ltd Exhaust manifold assembly
JP7086884B2 (ja) * 2019-03-27 2022-06-20 株式会社クボタ 作業車

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581494A (en) * 1970-01-02 1971-06-01 Arvin Ind Inc Exhaust gas manifold
DE2744964A1 (de) * 1977-10-06 1979-04-19 Kloeckner Humboldt Deutz Ag Abgasleitungssystem fuer mehrzylindrige hubkolbenbrennkraftmaschinen
DE3326260A1 (de) * 1983-07-21 1985-02-07 Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Auspuffleitung
DE3326259A1 (de) * 1983-07-21 1985-02-07 Witzenmann GmbH, Metallschlauch-Fabrik Pforzheim, 7530 Pforzheim Auspuffleitung
DE3333591A1 (de) * 1983-09-16 1985-03-28 Daimler-Benz Ag, 7000 Stuttgart Abgase fuehrender bauteil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8429906B2 (en) 2008-12-18 2013-04-30 Friedrich Boysen Gmbh & Co. Kg Single-wall manifold

Also Published As

Publication number Publication date
DE4226171A1 (de) 1994-02-10
ES2086158T3 (es) 1996-06-16
ATE136623T1 (de) 1996-04-15
EP0582205A1 (fr) 1994-02-09
DE59302160D1 (de) 1996-05-15

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