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EP1206631A1 - Collecteur de gaz d'echappement - Google Patents

Collecteur de gaz d'echappement

Info

Publication number
EP1206631A1
EP1206631A1 EP00945872A EP00945872A EP1206631A1 EP 1206631 A1 EP1206631 A1 EP 1206631A1 EP 00945872 A EP00945872 A EP 00945872A EP 00945872 A EP00945872 A EP 00945872A EP 1206631 A1 EP1206631 A1 EP 1206631A1
Authority
EP
European Patent Office
Prior art keywords
exhaust manifold
exhaust
housing
cylinder head
manifold according
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
EP00945872A
Other languages
German (de)
English (en)
Other versions
EP1206631B1 (fr
Inventor
Hans A. Haerle
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE10001287A external-priority patent/DE10001287A1/de
Application filed by Individual filed Critical Individual
Publication of EP1206631A1 publication Critical patent/EP1206631A1/fr
Application granted granted Critical
Publication of EP1206631B1 publication Critical patent/EP1206631B1/fr
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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/105—Other arrangements or adaptations of exhaust conduits of exhaust manifolds having the form of a chamber directly connected to the cylinder head, e.g. without having tubes connected between cylinder head and chamber
    • 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
    • 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
    • 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
    • F01N13/1805—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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
    • 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 relates to an exhaust manifold for attachment to a cylinder head of an internal combustion engine.
  • EP 0 709 557 AI describes an exhaust pipe elbow in one embodiment, as is used on a large number of internal combustion engines. Each exhaust pipe is welded to a flange, which is then screwed onto the cylinder head of the internal combustion engine. The exhaust pipes flow into a collecting pipe in a known manner, which continues in an exhaust pipe.
  • the exhaust manifold according to the invention can be connected directly to the cylinder head by means of suitable fastening means, e.g. Screws.
  • suitable fastening means e.g. Screws.
  • a sealing device between the exhaust manifold housing and the cylinder head is necessary and expensive welding work can be dispensed with.
  • the exhaust manifold housing can advantageously expand relative to the cylinder head and execute a corresponding movement, so that complex constructions with sliding flanges or the like can be avoided.
  • a particular advantage of the exhaust manifold according to the invention is the low degree of deformation required, as a result of which very thin sheets with a correspondingly low mass can be used. This leads to very low material and manufacturing costs and to the exhaust gas being extremely ⁇ nge amount of heat is withdrawn. Furthermore, the exhaust manifold according to the invention has the advantage of a relatively small space requirement in the engine compartment of a motor vehicle.
  • a flange is arranged between the exhaust manifold housing and the cylinder head, then an even better sliding movement of the exhaust manifold housing is possible due to the thermal expansion that may occur with respect to the cylinder head.
  • the cylinder head is hereby advantageously decoupled from the exhaust manifold housing.
  • a gas guide channel can be arranged in the exhaust gas collector housing. This results in an air gap-insulated exhaust manifold, which draws relatively little heat from the exhaust gas due to the thin walls of the gas guide duct and the air gap between the exhaust manifold housing and the gas guide duct. This prevents a decrease in the exhaust gas temperature and leads to better starting behavior and efficiency of a catalytic converter arranged in the exhaust pipe connected to the exhaust manifold.
  • an exhaust manifold housing made of inexpensive and easy-to-form structural steel can advantageously be used, since this is less thermally stressed.
  • a flange can be arranged between the exhaust manifold housing and the cylinder head, which allows a better sliding movement of the exhaust manifold housing relative to the cylinder head.
  • there is a low degree of deformation which advantageously leads to thin sheets and thus to very low masses of the individual components.
  • the gas guide channel is provided on its side facing the cylinder head with a circumferential collar which, in the assembled state, is at least indirectly clamped between the exhaust gas collecting housing and the sealing device, with between the gas guide channel and the sealing device Movements caused by heat are possible.
  • Figure 1 is a highly schematic internal combustion engine with an exhaust manifold attached to it.
  • FIG. 2 the exhaust manifold from FIG. 1 in a first embodiment in an exploded view
  • Fig. 3 is a section along the line III-III of Fig. 2;
  • FIG. 4 shows the exhaust manifold from FIG. 1 in a second embodiment in an exploded view
  • Fig. 5 is a section along the line V-V of Fig. 4;
  • FIG. 6 shows the exhaust manifold from FIG. 1 in a third embodiment in an exploded view
  • Fig. 7 is a section along the line VII-VII of Fig. 6;
  • FIG. 8 shows the exhaust manifold from FIG. 1 in a fourth embodiment in an exploded view
  • FIG. 10 shows the exhaust manifold from FIG. 1 in a fifth embodiment in an exploded view
  • FIG. 11 shows a section along the line XI-XI from FIG. 10;
  • FIG. 12 shows a sectional illustration of the exhaust manifold from FIG. 1 in a sixth embodiment
  • FIG. 13 is a sectional view of the exhaust manifold from FIG. 1 in a seventh embodiment.
  • Fig. 1 shows an exhaust manifold 1, which is attached to a cylinder head 2 of an internal combustion engine 3.
  • it is an internal combustion engine 3 m in series, in which the cylinder head 2 has only one cylinder bank 4 with four cylinders 5 in this case.
  • a plurality of cylinder banks 4 could be provided in the construction, on which the exhaust manifold 1 would then each be attached.
  • the cylinder head 2 there are a plurality of exhaust gas bores 6 starting from the cylinders 5, which open into the exhaust manifold 1, as a result of which the exhaust gas reaches the exhaust manifold 1.
  • the exhaust gas manifold 1 is provided on its side facing away from the internal combustion engine 3 with an opening 7, which can be located at any location and which exhaust gas line 8 is used in a known manner.
  • a catalytic converter (not shown), which serves to purify the exhaust gases, can be located in the exhaust line 8.
  • the exhaust manifold 1 consists of an exhaust manifold housing 9, which receives the exhaust gases from all exhaust gas bores 6 of a cylinder bank 4, and a sealing device 10.
  • the exhaust gases can pass the exhaust manifold housing 9 through the opening 7, which is located on the side facing away from the cylinder head 2 the same is located, leave again and thus get into the exhaust pipe 8.
  • the exhaust gas collection housing 9 is surrounded on its entire circumference by a collar 11, in which recesses 12 for the passage of fastening means, not shown in FIG. Screws.
  • the exhaust manifold housing 9 is attached to the cylinder head 2 with the fastening means.
  • the shape of the sealing device 10 corresponds to the side of the exhaust gas collection housing 9 facing the cylinder head 2, extends over the entire area between the exhaust gas collection housing 9 and the cylinder head 2 and points accordingly likewise a collar 13 with recesses 14, the positions of which correspond at least approximately with the positions of the recesses 12 in the collar 11 of the exhaust gas collection housing 9.
  • the sealing device 10 has a plurality of bores 15, the number and their positions of which at least approximately match the positions of the exhaust gas bores 6 in the cylinder head 2, in order to ensure that the exhaust gas flows through the exhaust gas bores 6 into the exhaust gas collection housing 9.
  • the sealing device 10 is provided with beads or protrusions 16 which create a gap between the cylinder head 2 and the sealing device 10.
  • the sealing device 10 can be formed, for example, from a metallic material.
  • Fig. 2 can be seen that the exhaust manifold housing 9 has a border 17 on its outside. This bordering 17 limits the collar 11 of the exhaust gas collection housing 9 to the outside and increases the strength of the exhaust gas collection housing 9.
  • the exhaust gas collection housing 9 consists of a high temperature-resistant material and is able to face the sealing device 10 and thus the cylinder head 2 minor movements to be carried out, which are caused by the heat emission of the exhaust gas and the associated expansion of the exhaust gas collection housing 9.
  • the exhaust gas collector housing 9 from multi-layer sheets in sandwich construction, as a result of which the sound radiation could be reduced.
  • sandwich construction for example, one layer could consist of steel and the other layer of aluminum, whereby it would also be possible to manufacture high-temperature-resistant exhaust gas collection housings 9.
  • a plurality of individual catalytic converter elements 39 are arranged in the exhaust gas collection housing 9.
  • Each catalyst element 39 is assigned to an exhaust gas bore 6 or a cylinder 5, so that four catalyst elements 39 are provided in all exemplary embodiments.
  • the catalyst elements 39 which consist, for example, of a known winding plate, are cylindrical in shape and can be arranged upright or lying down.
  • the catalyst elements 39 are held in the exhaust gas collecting housing 9 by wire mesh elements (not shown).
  • wire mesh elements not shown.
  • Fig. 3 the above-mentioned, designed as screws 18 fasteners for attaching the exhaust manifold 9 to the cylinder head 2 are shown. These are carried out through the recesses 12 in the exhaust gas collector housing 9 and the recesses 14 in the sealing device 10.
  • the above-mentioned displaceability of the exhaust gas collecting housing 9 relative to the cylinder head 2 can be adjusted by appropriately tightening the screws 18. In this case, however, tightness of the exhaust manifold 1 is ensured in each case.
  • the bores 15 of the sealing device 10 are provided with borders 19 which reach the exhaust bores 6 of the cylinder head 2.
  • FIG. 4 shows a further embodiment of the exhaust manifold 1, in which the exhaust manifold housing 9 and the sealing device 10, but additionally a flange 20 and a further sealing device 10a are provided in order to form the exhaust manifold 1. 4, only the sealing device 10a can be seen.
  • the flange 20 is provided with bores 21, the number and positions of which at least approximately match the positions of the exhaust bores 6 in the cylinder head 2.
  • the bores 21 are round in this case.
  • the flange 20 has a circumferential collar 22 and a border 23, with recesses 24 being introduced into the collar 22, the positions of which correspond to the positions of the recesses 12 in the exhaust gas collector housing 9.
  • the sealing device 10a does not have any holes 15 corresponding to the exhaust gas bores 6, but rather a recess 25 extending over almost the entire length and almost the entire width of the sealing device 10a.
  • the sealing device 10a is again with a collar 13a and recesses 14a. Because of the large recess 25, the seal is only provided by the collar 13a of the sealing device 10a.
  • the attachment of the exhaust manifold 1 to the cylinder head 2 is shown in section in FIG. 5. It can be seen here that the sealing device 10a is arranged between the flange 20 and the exhaust gas collector housing 9. Between the cylinder head 2 and the exhaust manifold housing 9 there is the further sealing device 10, which, however, in contrast to FIGS. 2 and 3, is designed without projections 16 and without borders 17. This figure also shows that the inner contour of the border 23 of the flange 20 corresponds to the outer contour of the collar 11 surrounding the exhaust manifold housing 9, so that the exhaust manifold housing 9 can be accommodated within the border 23 of the flange 20.
  • the exhaust gas In this case, however, melgehause 9 has no border 17.
  • the exhaust manifold housing 9 can be preassembled with the flange 20 by protrusions or spot welds.
  • FIG. 6 shows a further embodiment of the exhaust manifold 1, which in turn has the exhaust manifold housing 9 and the sealing device 10.
  • a gas guide channel 26 is arranged, which is formed in two parts with a base part 27 and a cover part 28.
  • the exhaust gas collecting housing 9 is, as before, provided with the collar 11 and the recesses 12 therein and the border 17 surrounding the collar 11.
  • the sealing device 10 likewise has the collar 13, the recesses 14 and the bores 15.
  • the bottom part 27 of the gas guide duct 26 made of a high temperature resistant material is provided with bores 29, the positions of which correspond at least approximately to the positions of the exhaust gas bores 6 of the cylinder head 2. In this way, the exhaust gas m can reach the gas guide channel 26.
  • Deflection plates 30 are arranged within the gas guide channel 26, which deflect the gas flow from the bores 29 to one to the exhaust gas line 8 lead leading opening 31, which is located in the cover part 28 of the gas guide channel 26.
  • the baffle plates 30 can either be welded to the exhaust manifold housing 9 or the gas guide channel 26, or can be shaped from the material of the base part 27 and / or the cover part 28 of the gas guide channel 26.
  • retaining brackets 33 are placed on the notches 32 on the outside of the cover part 28, which provide for fastening the gas guide channel 26.
  • the holding bracket 33 are arranged such that when the exhaust gas collecting housing 9 is attached to the cylinder head 2 by means of the fastening means 18, the holding bracket 33 holds the gas guide channel 26.
  • the tightness of the gas guide channel 26 is ensured by the fact that the base part 27 matches the cover part 28 with a very precise fit and these two parts are sealed off by the force applied by means of the holding bracket 33.
  • the base part 27 is stamped with the cover part 28 or spot welded, so that a complete pre-assembly is possible
  • the retaining bracket 33 designed as resilient or steaming elements can consist of a high temperature resistant material, for example also of a high temperature resistant wire mesh. This type of assembly means that there is no need for complex welding work.
  • catalytic converter elements 39 for exhaust gas purification can also be arranged in the gas guide channel 26 and held in the same with wire mesh elements (not shown).
  • the gas guide channel 26 can also consist of a fluid, in this case for Exhaust gases, permeable material exist. This can be solved, for example, by a fabric or by a perforated plate. As a result, the mass of the gas guide channel 26 is reduced even further and the latter can thus draw less heat from the exhaust gas. In this embodiment too, the exhaust gas will nevertheless endeavor to flow in the direction of the opening 31 and only a very small part will reach the exhaust gas collection housing 9 through the gas guide channel 26.
  • FIG. 7 it can be seen that an air gap 34 is formed between the gas guide channel 26 and the exhaust gas collection housing 9, which isolates the exhaust gas flowing into the gas guide channel 26 from the exhaust gas collection housing 9.
  • the exhaust gas collecting housing 9 is heated only insignificantly and thus extracts relatively little heat from the exhaust gas, which leads to the catalyst located in the exhaust gas line 8 having better light-off behavior and better efficiency owing to the higher exhaust gas temperatures.
  • the exhaust gas collecting housing 9 can hereby be made from an inexpensive structural steel, possibly also from an aluminized steel, since it generally does not come into contact with the exhaust gas.
  • the sealing device 10 is attached between the exhaust gas collector housing 9 and the cylinder head 2.
  • the air gap 34 can also be used with soundproofing materials, e.g. Rock wool, ceramic wool, wire mesh or individual pieces of wire pressed together to be filled in order to achieve appropriate sound insulation.
  • soundproofing materials e.g. Rock wool, ceramic wool, wire mesh or individual pieces of wire pressed together to be filled in order to achieve appropriate sound insulation.
  • FIG. 8 shows an embodiment of the exhaust manifold 1, which corresponds approximately to the embodiment according to FIG. 6.
  • the bottom Partly 27 of the gas guide channel 26 of the flange 20 is provided, which is very similar to the flange 20 shown in FIG. 4.
  • the bores 21 are oval in the same, ie the diameter of the bores 21 in the longitudinal direction of the flange 20 is larger than the diameter of the bores 21 in the transverse direction of the flange 20.
  • This enables the gas guide channel 26 to be moved or expanded within the bores 21 due to thermal expansion caused by exhaust gas temperatures.
  • Due to the housing of the exhaust gas collection housing 9 m the flange 20 analogous to FIG. 4, the exhaust gas collection housing 9 is not provided with the border 17, but only has the collar 11.
  • Fig. 9 it can be seen that between the flange 20 and the exhaust manifold housing 9 in turn, the sealing device 10a and between the exhaust manifold housing 9 and the cylinder head 2, the sealing device 10 is used.
  • the holding bracket 33 and the deflection plates 30 are provided, as shown in FIGS. 6 and 7.
  • FIG. 10 shows a further exhaust manifold 1, which is very similar to the exhaust manifold 1 shown in FIG. 8.
  • the gas guide channel 26 is provided, which, however, consists of a plurality of single channels 35, each of which is formed with connections 36 to the bores 21 in the flange 20 also provided here.
  • the bores 21 have a round cross section and the connections 36 are inserted into these bores 21 and welded in, if necessary.
  • other shapes of the bores 21 were also possible, for example oval or rectangular, the connections 36 then being adapted to these shapes of the bores 21, and a corresponding sealing was also carried out.
  • the individual channels 35 are connected to one another by widenings provided at one of the ends of the individual channels 35, in which the next individual channel 35 is inserted and optionally welded.
  • the exhaust gas collector housing 9 there are retaining rings 37 which abut the same and surround the gas guide channel 26. Vibrations of the gas guide channel 26 are prevented by the retaining rings 37 consisting, for example, of a wire mesh.
  • An outlet 38 goes from one of the individual channels 35 through the opening 7 in the exhaust gas collection housing 9 to the exhaust gas line 8, which is also attached to the exhaust gas collection housing 9 here.
  • the sealing device 10a between the exhaust gas collecting housing 9 and the flange 20 and the sealing device 10 between the flange 20 and the cylinder head 2 are used.
  • the air gap 34 is located between the gas guide channel 26 and the exhaust gas collecting housing 9.
  • This gas guide channel 26 can also consist of a material which is permeable to exhaust gases and is resistant to high temperatures.
  • FIG. 12 shows a further exhaust manifold 1, which likewise has a gas guide channel 26 in its interior.
  • the gas guide channel 26 is provided on the side facing the cylinder head 2 with a circumferential collar 40 which is arranged between the sealing device 10 on its underside and an additional clamping element 41 on its top.
  • the clamping element 41 partially overlaps the collar 40 and covers it over its entire circumference. fang.
  • the clamping element 41 is provided with a circumferential sealing support 42 on its side facing the exhaust manifold housing 9.
  • the fastening means 18 are of course also provided here and, with the help of the clamping element 41, clamp the gas guide channel 26 with the desired force between the exhaust gas collecting housing 9 and the sealing device 10 or the cylinder head 2. Due to the structure mentioned, a movement of the gas guide channel 26 is perpendicular to the plane of the Cylinder head 2 prevented, however, with appropriate tightening of the screws 18, a movement of the gas guide channel 26 in the plane of the cylinder head 2 triggered by the action of heat is still possible.
  • the gas guide channel 26 is also provided with a circumferential collar 40. However, this is clamped directly between the exhaust gas collector housing 9 and the flange 20, which is also provided in this case, by means of the fastening means or screws 18.
  • a circumferential sealing device 43 is provided on the circumference of the collar 40, and likewise also between the exhaust gas collecting housing 9 and the flange 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

L'invention concerne un collecteur de gaz d'échappement destiné à être disposé sur une tête de cylindre d'un moteur à combustion, composé d'au moins un support de cylindre comportant des perçages pour la sortie des gaz d'échappement. Ce collecteur de gaz d'échappement est caractérisé en ce qu'il comporte un carter collecteur de gaz d'échappement (9) destiné à collecter les gaz d'échappement provenant de la tête de cylindre, et un dispositif d'étanchéification (10) logé entre le carter collecteur de gaz d'échappement (9) et la tête de cylindre (2). Ce carter collecteur de gaz d'échappement (9) comporte des évidements (12) de manière à pouvoir être relié directement à la tête de cylindre (2) par l'intermédiaire de moyens de fixation (18), des mouvement dus à l'effet de la chaleur étant possibles entre le carter collecteur de gaz d'échappement (9) et la tête de cylindre (2).
EP00945872A 1999-08-05 2000-07-05 Collecteur de gaz d'echappement Expired - Lifetime EP1206631B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19936878 1999-08-05
DE19936878 1999-08-05
DE10001287 2000-01-14
DE10001287A DE10001287A1 (de) 1999-08-05 2000-01-14 Abgaskrümmer
PCT/EP2000/006285 WO2001011209A1 (fr) 1999-08-05 2000-07-05 Collecteur de gaz d'echappement

Publications (2)

Publication Number Publication Date
EP1206631A1 true EP1206631A1 (fr) 2002-05-22
EP1206631B1 EP1206631B1 (fr) 2005-02-02

Family

ID=26003856

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00945872A Expired - Lifetime EP1206631B1 (fr) 1999-08-05 2000-07-05 Collecteur de gaz d'echappement

Country Status (5)

Country Link
US (1) US6789386B1 (fr)
EP (1) EP1206631B1 (fr)
AT (1) ATE288539T1 (fr)
AU (1) AU5981900A (fr)
WO (1) WO2001011209A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005116412A1 (fr) * 2004-05-24 2005-12-08 Arvin Technologies, Inc. Collecteur pour moteur a combustion interne a plusieurs cylindres
US9410470B2 (en) 2014-04-22 2016-08-09 Benteler Automobiltechnik Gmbh Exhaust manifold
US9677453B2 (en) 2014-03-20 2017-06-13 Benteler Automobiltechnik Gmbh Exhaust manifold for an exhaust system of a combustion engine
US9689302B2 (en) 2014-09-26 2017-06-27 Benteler Automobiltechnik Gmbh Exhaust manifold

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10100934C1 (de) * 2001-01-10 2002-02-28 Freudenberg Carl Kg Anordnung zur gasdichten Befestigung eines einen Verbindungsflansch aufweisenden Ansaugkrümmers am Zylinderkopf einer Verbrennungskraftmaschine
EP1389267B1 (fr) * 2001-01-29 2006-03-29 Hans A. Haerle Collecteur d'echappement
DE10200638C2 (de) * 2002-01-10 2003-12-11 Benteler Automobiltechnik Gmbh Anordnung zur Führung von Abgas aus einem Verbrennungsmotor
DE10341868B4 (de) * 2003-09-09 2005-12-22 Härle, Hans A. Vorrichtung zur Halterung wenigstens eines Abgasreinigungselements
US7272927B2 (en) * 2003-11-07 2007-09-25 Heinrich Gillet Gmbh Air gap-insulated exhaust manifold for internal combustion engines
DE102004010815A1 (de) * 2004-03-05 2005-09-29 Benteler Automobiltechnik Gmbh Anordnung zur Fixierung eines Abgaskrümmers auf dem Zylinderkopf einer Brennkraftmaschine
JP3955291B2 (ja) * 2004-07-13 2007-08-08 株式会社共立 内燃エンジンの触媒付きマフラー
JP2006070705A (ja) * 2004-08-31 2006-03-16 Honda Motor Co Ltd 車両用エンジンの排気装置
FR2883031B1 (fr) * 2005-03-08 2007-04-20 Renault Sas Bride tole d'interface echappement
DE102006012365B4 (de) * 2006-03-17 2014-02-13 Man Diesel & Turbo Se Abgasleitungssystem für mehrzylindrige Gas- und Dieselmotoren
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EP1206631B1 (fr) 2005-02-02
AU5981900A (en) 2001-03-05
US6789386B1 (en) 2004-09-14
ATE288539T1 (de) 2005-02-15
WO2001011209A1 (fr) 2001-02-15

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