EP0178430A1 - Collecteur d'échappement - Google Patents

Collecteur d'échappement Download PDF

Info

Publication number
EP0178430A1
EP0178430A1 EP85110556A EP85110556A EP0178430A1 EP 0178430 A1 EP0178430 A1 EP 0178430A1 EP 85110556 A EP85110556 A EP 85110556A EP 85110556 A EP85110556 A EP 85110556A EP 0178430 A1 EP0178430 A1 EP 0178430A1
Authority
EP
European Patent Office
Prior art keywords
exhaust
flange
exhaust manifold
pipe socket
boards
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
EP85110556A
Other languages
German (de)
English (en)
Other versions
EP0178430B1 (fr
Inventor
Rudolf Loup
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 & Co KG Fabrik fur Kraftfahrzeugteile GmbH
Original Assignee
Erhardt Bischoff & Co KG Fabrik fur Kraftfahrzeugteile 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 Fabrik fur Kraftfahrzeugteile GmbH filed Critical Erhardt Bischoff & Co KG Fabrik fur Kraftfahrzeugteile GmbH
Priority to AT85110556T priority Critical patent/ATE34805T1/de
Publication of EP0178430A1 publication Critical patent/EP0178430A1/fr
Application granted granted Critical
Publication of EP0178430B1 publication Critical patent/EP0178430B1/fr
Expired 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 ; 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
    • 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

Definitions

  • the invention relates to an exhaust manifold with a flange for its attachment to an engine block and with exhaust pipes leading away from the flange.
  • Exhaust manifolds of this type are currently usually manufactured as castings.
  • the flange with the aid of which the exhaust manifold is screwed onto the engine block, poses the greatest problems, since the flange must be screwed onto the engine block in a gas-tight manner.
  • the requirements of modern engine construction prescribe certain flange shapes and thicknesses, which mean a high financial outlay when manufactured using cast iron.
  • the castings require post-processing, which is expensive, particularly in the case of complicated shapes
  • the invention has for its object to develop an exhaust manifold of the type mentioned in such a way that it can be produced with considerable cost savings and still enables the most complicated flange shapes.
  • the invention proposes an exhaust manifold, in which the lamellar flange is constructed from at least two interconnected or connectable boards which have an exhaust opening for each exhaust pipe, in the area of which a pipe socket is fastened to the flange.
  • the boards are extremely easy to produce as stamped parts, and the most complicated shapes are possible. Due to the structure of several blanks, any desired thickness and strength can be achieved, the post-processing, if such is still necessary, is extremely simple.
  • the pipe socket which is present in the area of the exhaust openings, makes it possible to also manufacture the actual exhaust pipes from pipe material and to weld them to the pipe socket. This in turn makes it possible to make the exhaust pipes themselves thinner than was possible with cast material.
  • the thinner, yet firm and stable exhaust pipes have the advantage of lower heat capacity, which is particularly advantageous in connection with the catalytic converters. These must have a certain minimum temperature in order to work correctly, the measures of the invention ensuring that not too much heat is absorbed by the catalytic converters through the exhaust pipes in the cold start phase.
  • the invention proposes that the blanks be welded to one another, resistance welding, in particular projection welding, having proven to be particularly favorable.
  • the inner circuit boards can have one or more welding pins which project in the direction of the outer circuit boards and therefore form the contact point in the case of electrical resistance welding.
  • the boards are soldered to one another.
  • the boards can be soldered under protective gas, a pure copper being used as the solder.
  • a pure copper being used as the solder.
  • the exhaust pipes can be welded to each other after soldering the boards.
  • the inner boards have openings for the insertion of copper, which then melts in the vacuum furnace during the soldering.
  • the invention provides that the pipe socket is also soldered to the flange formed by the circuit boards.
  • the pipe socket can be soldered into the exhaust opening of the circuit boards. It can be provided here that the outside of the pipe socket is connected, in particular soldered, to the inside of the exhaust opening of at least one circuit board. This soldering process can also take place when the circuit boards are connected to one another in the soldering furnace.
  • the exhaust pipes are then welded to the pipe socket. Therefore, according to the proposal of the invention, the exhaust pipes in the area of the manifold are no longer made of cast iron, but of bent pipe, which makes it possible to keep their wall thickness smaller, despite great stability, than was possible with cast iron.
  • the outer i.e. the circuit board facing away from the engine block has a curved edge surrounding its exhaust opening, which forms the pipe socket.
  • a process step namely the soldering of the pipe socket, is saved.
  • the exhaust pipes can be welded directly onto the bent edge forming the pipe socket.
  • the edge is formed by deep drawing. It is also advantageously possible for the edge to be punched through when the board is manufactured
  • Fig. 1 shows a plan view of a Ptatine 11 to form a flange of an exhaust manifold.
  • the circuit board contains two exhaust openings 12 which, when the exhaust flange is attached to an engine block, are in line with the corresponding exhaust openings of the engine block.
  • For fastening the circuit board 11 to the engine block there are several holes 13 with which the flange can be screwed onto the engine block.
  • the circuit board 11 contains several small holes 14 in the area of the edge of the exhaust openings 1 2, which holes are intended to receive solder, for example solder copper.
  • Fig. 2 shows the structure of an exhaust flange 15 from several boards. A total of four boards are provided to form the flange 15.
  • the two inner boards 11, 15 are constructed identically and have the shape shown in FIG. 1 . They have matching openings 13 for the passage of a screw and matching holes 14 for inserting the solder copper.
  • the connection of the boards can also be carried out by resistance welding, for which purpose the two boards 11, 15 have a welding pin 16 which is inserted into openings in the boards 11, 15 and upwards and protrudes like a cone below. When the outer boards 17, 18, which are under tension, are pressed, resistance welding then takes place.
  • the circuit board 18 arranged in the direction of the engine block does not contain any holes 14 for solder, but again a hole 13 for fastening.
  • the exhaust opening 19, which is in line with the exhaust openings 12 of the other boards, has a smaller area.
  • a pipe socket 20 which is only shown broken off, is inserted, which is soldered to the inner walls of the exhaust openings 12. With its end face 21, the pipe socket 20 is soldered onto the upper side 22 of the motor-side circuit board 18. Accordingly, the exhaust opening 19 of the engine-side board 18 is offset inwards by the wall thickness of the pipe socket 20.
  • the individual boards are moved towards each other so that they lie close together and soldered to each other in this position, with the help of the soldering copper arranged in the holes, or welded, with the help of the welding pin 16.
  • the pronounced hump 16 can also be used.
  • Fig. 3 shows a modified embodiment.
  • the flange 23 consists of four individual boards, of which the outer board 24 has a punched-out edge 25 surrounding its exhaust opening.
  • the edge 25 has the shape of an approximately tubular, short extension.
  • An only schematically illustrated exhaust pipe 26 is inserted into the inside of this edge 25 and can be soldered or welded to the inside of the edge 25.
  • a separate pipe socket 20 is unnecessary, since the edge 25 forms the pipe socket.
  • the exhaust port 28 of the engine side board 27 has the same shape and size as the exhaust ports of the other boards.
  • a manifold pipe could also be inserted and fastened in the pipe socket 20 shown in FIG. 2, as is shown and described in FIG. 3 with regard to the exhaust pipe 26.

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)
EP85110556A 1984-09-19 1985-08-22 Collecteur d'échappement Expired EP0178430B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85110556T ATE34805T1 (de) 1984-09-19 1985-08-22 Auspuffkruemmer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843434288 DE3434288A1 (de) 1984-09-19 1984-09-19 Auspuffkruemmer
DE3434288 1984-09-19

Publications (2)

Publication Number Publication Date
EP0178430A1 true EP0178430A1 (fr) 1986-04-23
EP0178430B1 EP0178430B1 (fr) 1988-06-01

Family

ID=6245725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85110556A Expired EP0178430B1 (fr) 1984-09-19 1985-08-22 Collecteur d'échappement

Country Status (3)

Country Link
EP (1) EP0178430B1 (fr)
AT (1) ATE34805T1 (fr)
DE (2) DE3434288A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717989A1 (de) * 1987-05-27 1988-12-08 Bischoff Erhardt Gmbh Co Kg Flansch zur befestigung von rohren
EP0918148A3 (fr) * 1997-11-26 2001-01-03 HEINRICH GILLET GMBH & CO. KG Bride de collecteur d'échappement
EP1365121A1 (fr) * 2002-04-23 2003-11-26 Friedrich Boysen GmbH & Co. KG Collecteur d'échappement pour un moteur à combustion interne et et méthode de fabrication d'un tel collecteur d'échappement
DE102004051680A1 (de) * 2004-10-22 2006-05-04 Benteler Automobiltechnik Gmbh Anordnung zur Befestigung eines Abgaskrümmers
DE10338382B4 (de) * 2003-08-21 2008-07-31 Adam Opel Ag Krümmer für eine Brennkraftmaschine und Verfahren zu dessen Herstellung
US8230680B2 (en) * 2007-12-24 2012-07-31 J. Eberspaecher Gmbh & Co. Kg Exhaust manifold

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925802A1 (de) * 1989-08-04 1991-02-07 Bayerische Motoren Werke Ag Abgaskruemmer
DE4025652A1 (de) * 1989-10-26 1991-05-02 Hermanns Gebr Kremo Werke Aufsteckflansch fuer rohrleitungen und verfahren zu seiner herstellung
DE9316960U1 (de) * 1993-11-05 1995-03-16 Prototechnik GmbH, 73529 Schwäbisch Gmünd Vorrichtung zum Anschrauben von Auspuffkrümmern an einen Motorblock
DE19607184C1 (de) * 1996-02-27 1997-04-24 Schmitz & Brill Gmbh & Co Kg Flansch für eine mehrflutige Abgasanlage von Kraftfahrzeugen
DE19721092C1 (de) * 1997-05-20 1998-09-03 Bayerische Motoren Werke Ag Gebauter Auspuffkrümmer, insbesondere für Abgasleitungen von Brennkraftmaschinen
DE19722725A1 (de) * 1997-05-30 1998-12-03 Zeuna Staerker Kg Rohrzusammenführung
DE19735061B4 (de) * 1997-08-13 2007-09-13 Arvinmeritor Emissions Technologies Gmbh Flansch für eine mehrflutige Abgasanlage von Kraftfahrzeugen
DE19743399C2 (de) * 1997-10-01 2003-05-28 Schmitz & Brill Gmbh & Co Kg Flansch für eine mehrflutige Abgasanlage von Kraftfahrzeugen
DE102012011609A1 (de) 2012-06-12 2012-11-29 Daimler Ag Unterlegelement zur Befestigung eines Abgaskrümmers an einem Verbrennungsmotor, Abgaskrümmer und Verbrennungsmotor
DE102013102859B4 (de) 2013-03-20 2015-04-02 Tenneco Gmbh Flanschplatte für einen Krümmer einer Abgasanlage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135628A (en) * 1935-10-17 1938-11-08 Acklin Stamping Company Manifold
US2847819A (en) * 1952-11-07 1958-08-19 Gen Motors Corp Reversible exhaust manifold system
DE3129351A1 (de) * 1981-07-24 1983-02-10 Roth Technik GmbH, 7560 Gaggenau Flansch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177649A (en) * 1963-03-08 1965-04-13 Alco Products Inc Exhaust manifolds

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135628A (en) * 1935-10-17 1938-11-08 Acklin Stamping Company Manifold
US2847819A (en) * 1952-11-07 1958-08-19 Gen Motors Corp Reversible exhaust manifold system
DE3129351A1 (de) * 1981-07-24 1983-02-10 Roth Technik GmbH, 7560 Gaggenau Flansch

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717989A1 (de) * 1987-05-27 1988-12-08 Bischoff Erhardt Gmbh Co Kg Flansch zur befestigung von rohren
EP0918148A3 (fr) * 1997-11-26 2001-01-03 HEINRICH GILLET GMBH & CO. KG Bride de collecteur d'échappement
EP1365121A1 (fr) * 2002-04-23 2003-11-26 Friedrich Boysen GmbH & Co. KG Collecteur d'échappement pour un moteur à combustion interne et et méthode de fabrication d'un tel collecteur d'échappement
DE10338382B4 (de) * 2003-08-21 2008-07-31 Adam Opel Ag Krümmer für eine Brennkraftmaschine und Verfahren zu dessen Herstellung
DE102004051680A1 (de) * 2004-10-22 2006-05-04 Benteler Automobiltechnik Gmbh Anordnung zur Befestigung eines Abgaskrümmers
DE102004051680B4 (de) * 2004-10-22 2008-06-05 Benteler Automobiltechnik Gmbh Anordnung zur Befestigung eines Abgaskrümmers
DE102004051680C5 (de) * 2004-10-22 2014-02-27 Benteler Automobiltechnik Gmbh Anordnung zur Befestigung eines Abgaskrümmers
US8230680B2 (en) * 2007-12-24 2012-07-31 J. Eberspaecher Gmbh & Co. Kg Exhaust manifold
US8850805B2 (en) 2007-12-24 2014-10-07 J. Eberspaecher Gmbh & Co. Kg Exhaust manifold

Also Published As

Publication number Publication date
DE3434288A1 (de) 1986-03-20
DE3563090D1 (en) 1988-07-07
ATE34805T1 (de) 1988-06-15
EP0178430B1 (fr) 1988-06-01

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