WO2015049023A1 - Moteur à combustion interne et procédé permettant de monter un moteur à combustion interne - Google Patents

Moteur à combustion interne et procédé permettant de monter un moteur à combustion interne Download PDF

Info

Publication number
WO2015049023A1
WO2015049023A1 PCT/EP2014/002420 EP2014002420W WO2015049023A1 WO 2015049023 A1 WO2015049023 A1 WO 2015049023A1 EP 2014002420 W EP2014002420 W EP 2014002420W WO 2015049023 A1 WO2015049023 A1 WO 2015049023A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust manifold
exhaust
combustion engine
internal combustion
valve
Prior art date
Application number
PCT/EP2014/002420
Other languages
German (de)
English (en)
Inventor
Andrej Lutz
Original Assignee
Audi 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 Audi Ag filed Critical Audi Ag
Priority to EP14761953.0A priority Critical patent/EP3052778B1/fr
Publication of WO2015049023A1 publication Critical patent/WO2015049023A1/fr

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
    • F01N13/107—More than one exhaust manifold or exhaust collector
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like

Definitions

  • the invention relates to an internal combustion engine having a plurality of cylinders arranged in a row, each having at least a first exhaust valve and at least a second exhaust valve, wherein the first exhaust valve and the second exhaust valve are flow-connected to an exhaust manifold.
  • the invention further relates to a method for mounting an internal combustion engine.
  • the exhaust manifold is attached, for example, to a cylinder head of the internal combustion engine, which preferably integrated flow channels, in particular an integrated exhaust manifold, over which the flow connection between the first exhaust valve and the exhaust manifold and the second exhaust valve and the exhaust manifold is made.
  • a clamping flange on the cylinder head.
  • the document DE 10 2008 029 020 A1 is known.
  • the exhaust manifold comprises a first exhaust manifold and a separate from this second exhaust manifold, wherein the first exhaust manifold is fluidly connected to the first exhaust valve and the second exhaust manifold fluidly connected to the second exhaust valve.
  • exhaust manifolds are separately formed, which are individually and independently fastened or secured, in particular on the cylinder head of the internal combustion engine.
  • the two exhaust manifolds are thermally decoupled from each other substantially thermally or thermally induced deformations, so that at different mass flows through the first exhaust valve and the second exhaust valve no temperature-related stresses between the exhaust manifolds occur or these are significantly reduced. Accordingly, these voltages need not be considered in the design of the internal combustion engine or only in a reduced form.
  • a plurality of first exhaust valves to the first exhaust manifold and / or a plurality of second exhaust valves to the second exhaust manifold fluidly connected Preferably, a plurality of first exhaust valves and / or a plurality of second exhaust valves are provided, wherein, for example, all first exhaust valves to the first exhaust manifold and / or all second exhaust valves are connected to the second exhaust manifold.
  • the first and / or all second exhaust valves are arranged in series.
  • the first exhaust manifold is fluidly connected only to the first exhaust valve or the first exhaust valves and the second exhaust manifold fluidly only to the second exhaust valve or the second exhaust valves.
  • the first exhaust manifold for each first exhaust valve has a first connection flange and the second exhaust manifold for each second exhaust valve has a second connection flange, wherein the first connection flange via a first side wall and the second connection flange via a to the first side wall at least partially parallel second side wall has.
  • the first exhaust manifold communicates via the first connection flange, in particular flow connection, with the cylinder. the.
  • the first connection flange bears against the cylinder head of the internal combustion engine, with the flow connection in particular passing through the first connection flange.
  • the second exhaust manifold and the second connection flange or the corresponding flow connection to the second outlet valve is the first exhaust manifold and the second connection flange or the corresponding flow connection to the second outlet valve.
  • the cylinders are arranged in series and each have a first exhaust valve and a second exhaust valve, so that a total of a plurality of exhaust valves and a plurality of second exhaust valves are realized, replace after mounting the two exhaust manifold first connecting flanges and second connecting flanges, so are immediately adjacent to each other in front.
  • the side walls of the connecting flanges are intended to run parallel to each other at least partially, in particular completely.
  • the first side wall and the second side wall are at least partially, in particular completely, over the entire surface opposite each other.
  • the side wall is for example a wall to understand that adjacent to a bearing surface of the exhaust manifold, which is in direct contact with the cylinder head, in particular immediately adjacent, and is angled to this, so with her an angle greater than 0 ° and less than Includes 90 °.
  • the side wall is perpendicular to the support surface.
  • a further embodiment of the invention provides that the first connection flange and the second connection flange are at least partially trapezoidal.
  • the first side wall and the second side wall are arranged obliquely with respect to an imaginary straight line perpendicular to a longitudinal central axis of the internal combustion engine, so include an angle greater than 0 ° and smaller than 90 ° to this line.
  • Such a configuration is helpful, for example, in an assembly of the internal combustion engine, in particular if initially the first exhaust manifold is mounted and the first connecting flanges widen in a trapezoidal manner in the mounting direction of the second connecting flange.
  • a development of the invention provides that the first exhaust manifold and the second exhaust manifold are fastened together by means of a first retaining rail and a second retaining rail to a cylinder head of the internal combustion engine.
  • the two retaining rails are designed, for example, as clamping rails, which are fastened to the cylinder head and thereby produce the first exhaust manifold and the second exhaust manifold. bend in the direction of the cylinder head.
  • the two retaining rails are preferably arranged on opposite sides of the two exhaust manifold, so that the exhaust manifold between the two support rails are securely held.
  • each flange has a seal, which rests sealingly on the bearing surface of the cylinder head after assembly.
  • the first retaining rail has alternately a clamping region for the first exhaust manifold and an insertion region for the second exhaust manifold.
  • the first exhaust manifold is first fastened to the first retaining rail, for which purpose it has the clamping region.
  • a clamping region is assigned to each first connecting flange.
  • the clamping region is designed such that after fastening the first retaining rail to the cylinder head, the first exhaust manifold is already securely held on this.
  • the insertion region is configured in such a way that the second exhaust manifold can also be introduced into the internal combustion engine after it has been attached to the first retaining rail.
  • the invention further relates to a method for mounting an internal combustion engine, in particular an internal combustion engine according to the preceding embodiments, wherein the internal combustion engine has a plurality of cylinders arranged in a row, each having at least a first exhaust valve and at least a second exhaust valve, wherein the first exhaust valve and second exhaust valve during assembly with a Abgaskrümmer realized be fluidly connected.
  • the exhaust manifold comprises a first exhaust manifold and a separate from this second exhaust manifold, wherein the first exhaust manifold is fluidly connected to the first exhaust valve and the second exhaust manifold fluidly connected to the second exhaust valve.
  • Figure 1 shows a portion of an internal combustion engine, in particular a
  • Abgaskrümmer designed to be attached to a cylinder head of the internal combustion engine, after a first assembly step
  • FIG. 3 shows the exhaust manifold device after a third assembly step
  • Figure 4 is an alternative view of the exhaust manifold after the third assembly step.
  • FIG. 5 shows a first retaining rail of the exhaust manifold.
  • FIG. 1 shows a portion of an internal combustion engine 1, which has a plurality of cylinders arranged in a row, which are not shown here.
  • Each cylinder has at least a first exhaust valve and at least one second exhaust valve. Both the first exhaust valve and the second exhaust valve are fluidly connected to an exhaust manifold 2, which is attached to a cylinder head, not shown here.
  • exhaust manifold 2 exhaust gas is discharged from the cylinders in the direction of an external environment of the internal combustion engine 1, in particular via an exhaust gas purification device, such as a catalyst.
  • an exhaust gas turbocharger in particular a multi-flow exhaust gas turbocharger, or a plurality of exhaust gas turbochargers.
  • the exhaust manifold 2 has a first exhaust manifold 3 and a second exhaust manifold 4, not shown here. These are formed separately from each other.
  • the first exhaust manifold 3 is then fluidly connected to the first exhaust valve or the plurality of first exhaust valves and the second exhaust manifold 4 fluidly connected to the second exhaust valve or the plurality of second exhaust valves.
  • the first exhaust manifold 3 has a plurality of first Connecting flanges 5, 6, 7 and 8, wherein each cylinder of the internal combustion engine 1 is assigned to one of these connection flanges 5, 6, 7 or 8.
  • exhaust manifolds 2 with a smaller or a larger number of such connection flanges can be realized.
  • a flow connection is established from the first exhaust valves to an exhaust pipe 9 of the first exhaust manifold 3, in which the exhaust gas is combined and fed to an outlet port 10.
  • the outlet port 10 can be fastened, for example, by means of an outlet flange 11 to a further device of the internal combustion engine 1, for example the exhaust gas turbocharger or one of the exhaust gas turbochargers.
  • the first exhaust manifold 3 is fastened to the cylinder head of the internal combustion engine 1 by means of a first retaining rail 12.
  • the retaining rail 12 with fastening means 13, for example screws, which are only partially visible here, provided.
  • the first retaining rail 12 has clamping regions 14 for the first exhaust manifold 3. These preferably sit between the fastening means 13.
  • each clamping region 14 is assigned to one of the connecting flanges 5, 6, 7 and 8.
  • the clamping regions 14 are configured such that they receive a portion of the connecting flanges 5, 6, 7 and 8 and urge in the direction of the cylinder head or on the cylinder head, so that preferably the first exhaust manifold 3 is held by clamping the first retaining rail 12.
  • first retaining rail 12 has insertion regions 15 which are respectively adjacent to the clamping regions 14.
  • first exhaust manifold 3 is first fastened to the cylinder head of the internal combustion engine 1 by means of the first retaining rail 12 during a first step. This is shown here.
  • the second exhaust manifold 4 is arranged on the cylinder head.
  • the second exhaust manifold 4 has second connecting flanges 16, 17, 18 and 19.
  • an exhaust pipe 20 is connected.
  • This establishes a flow connection between the cylinders of the internal combustion engine 1 and an outlet port 21, to which preferably an outlet flange 22 is assigned.
  • Last serves, for example, the attachment of the outlet port 21 to a further device of the internal combustion engine 1, in particular the exhaust gas turbocharger.
  • the second connection flanges 16, 17, 18 and 19 are inserted into the insertion regions 15 of the first holding rail 12. brought or plugged.
  • the insertion regions 15 are, for example, designed such that, even after the attachment of the first retaining rail 12 to the cylinder head, in particular after complete tightening of the fastening means 13, the insertion of the connecting flanges 16, 17, 18 and 19 into the insertion regions 15 is permitted.
  • a second support rail 23 attached to the cylinder head, including fasteners 24, for example, also screws are provided.
  • each fastening flange 5, 6, 7 and 8 as well as every second connecting flange 16, 17, 18 and 19 is preferably associated with such a fastening means 24.
  • the second retaining rail 23 serves to urge the first exhaust manifold 3 and the second exhaust manifold 4 in the direction of the cylinder head or to the cylinder head. After mounting the second retaining rail 23, the two exhaust manifolds 3 and 4 are securely held on the cylinder head.
  • each of the first connecting flanges 5, 6, 7 and 8 first side walls 25 and 26 and the second connecting flanges 16, 17, 18 and 19 have second side walls 27 and 28. If now one of the first side walls 26 and one of the second side walls 27 or one of the first side walls 25 and one of the second side walls 28 opposite each other, it is preferably provided that they are parallel to each other. At the same time, the first connecting flanges 5, 6, 7 and 8 and the second connecting flanges 16, 17, 18 and 19 are at least partially trapezoidal.
  • first side wall 25 or 26 and the second side wall 27 or 28 are arranged obliquely with respect to an imaginary straight line perpendicular to a longitudinal central axis of the internal combustion engine 1.
  • first connecting flanges 5, 6, 7 and 8 are configured such that they taper in the direction of the first holding rail 12, in particular starting from the second holding rail 23.
  • FIG. 5 shows a detailed view of the first retaining rail 12. It becomes clear that it alternately has one of the clamping regions 14 and one of the insertion regions 15, so that they are adjacent to one another, in particular immediately adjacent to one another.
  • connection flange 1. connection flange
  • connection flange 1. connection flange
  • connection flange 1. connection flange
  • connection flange 1. connection flange

Landscapes

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

Abstract

L'invention concerne un moteur à combustion interne (1) pourvu de plusieurs cylindres disposés en ligne, lesquels comprennent respectivement au moins une première soupape d'échappement et au moins une deuxième soupape d'échappement, la première soupape d'échappement et la deuxième soupape d'échappement étant en liaison fluidique avec un dispositif à collecteurs d'échappement (2). Selon l'invention, le dispositif à collecteurs d'échappement (2) comprend un premier collecteur d'échappement (3, 9) et un deuxième collecteur d'échappement (4, 20) séparé de ce dernier, le premier collecteur d'échappement (3) étant raccordé conformément à la technique des fluides à la première soupape d'échappement et le deuxième collecteur d'échappement (4) étant raccordé conformément à la technique des fluides à la deuxième soupape d'échappement. L'invention concerne par ailleurs un procédé permettant le montage d'un dispositif à collecteurs d'échappement sur un moteur à combustion interne (1).
PCT/EP2014/002420 2013-10-04 2014-09-05 Moteur à combustion interne et procédé permettant de monter un moteur à combustion interne WO2015049023A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14761953.0A EP3052778B1 (fr) 2013-10-04 2014-09-05 Moteur à combustion interne et procédé permettant de monter un moteur à combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013016568.7A DE102013016568B4 (de) 2013-10-04 2013-10-04 Brennkraftmaschine sowie Verfahren zum Montieren einer Brennkraftmaschine
DE102013016568.7 2013-10-04

Publications (1)

Publication Number Publication Date
WO2015049023A1 true WO2015049023A1 (fr) 2015-04-09

Family

ID=51535405

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/002420 WO2015049023A1 (fr) 2013-10-04 2014-09-05 Moteur à combustion interne et procédé permettant de monter un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP3052778B1 (fr)
DE (1) DE102013016568B4 (fr)
WO (1) WO2015049023A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104070A3 (fr) * 2016-12-07 2018-07-26 Jaguar Land Rover Limited Appareil et procédé de démontage d'un agencement d'échappement
US11965445B1 (en) 2022-11-01 2024-04-23 Toyota Jidosha Kabushiki Kaisha Fastening structure and method for designing fastening structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653583A2 (fr) * 1993-11-12 1995-05-17 Erhardt Bischoff GmbH & Co KG Joint à brides
DE10229116A1 (de) * 2001-06-29 2003-01-09 Saab Automobile Verbrennungsmotor und Verfahren zum Betreiben eines solchen
DE202005001755U1 (de) * 2005-02-04 2006-06-08 Heinrich Gillet Gmbh Vorrichtung zum Befestigen eines Abgaskrümmers an einem Zylinderkopf
FR2897101A1 (fr) * 2006-02-08 2007-08-10 Renault Sas Dispositif de fixation d'un collecteur
DE102007046656A1 (de) * 2007-09-28 2009-04-09 Audi Ag Verfahren zum Betreiben einer Brennkraftmaschine, Brennkraftmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588012U (fr) * 1978-12-13 1980-06-18
JP2000027643A (ja) * 1998-07-09 2000-01-25 Nissan Motor Co Ltd 排気マニホールドの締結構造
DE19955090A1 (de) * 1999-11-15 2001-05-17 Fev Motorentech Gmbh Verfahren zum Betreiben einer Kolbenbrennkraftmaschine mit steuerbarem Abgasturbolader sowie Kolbenbrennkraftmaschine zur Durchführung des Verfahrens
DE10219829B4 (de) * 2002-05-03 2006-05-11 Daimlerchrysler Ag Vorrichtung zum Befestigen eines Abgaskrümmers
DE102008029020A1 (de) 2008-06-18 2009-12-24 Audi Ag Brennkraftmaschine mit integriertem Abgaskrümmer und angeflanschtem Aggregat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0653583A2 (fr) * 1993-11-12 1995-05-17 Erhardt Bischoff GmbH & Co KG Joint à brides
DE10229116A1 (de) * 2001-06-29 2003-01-09 Saab Automobile Verbrennungsmotor und Verfahren zum Betreiben eines solchen
DE202005001755U1 (de) * 2005-02-04 2006-06-08 Heinrich Gillet Gmbh Vorrichtung zum Befestigen eines Abgaskrümmers an einem Zylinderkopf
FR2897101A1 (fr) * 2006-02-08 2007-08-10 Renault Sas Dispositif de fixation d'un collecteur
DE102007046656A1 (de) * 2007-09-28 2009-04-09 Audi Ag Verfahren zum Betreiben einer Brennkraftmaschine, Brennkraftmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018104070A3 (fr) * 2016-12-07 2018-07-26 Jaguar Land Rover Limited Appareil et procédé de démontage d'un agencement d'échappement
US11965445B1 (en) 2022-11-01 2024-04-23 Toyota Jidosha Kabushiki Kaisha Fastening structure and method for designing fastening structure

Also Published As

Publication number Publication date
DE102013016568A1 (de) 2015-04-09
EP3052778B1 (fr) 2018-04-04
EP3052778A1 (fr) 2016-08-10
DE102013016568B4 (de) 2016-03-24

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