EP2921670B1 - Collecteur de gaz d'échappement pour une installation de gaz d'échappement d'un moteur à combustion interne - Google Patents

Collecteur de gaz d'échappement pour une installation de gaz d'échappement d'un moteur à combustion interne Download PDF

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Publication number
EP2921670B1
EP2921670B1 EP15157422.5A EP15157422A EP2921670B1 EP 2921670 B1 EP2921670 B1 EP 2921670B1 EP 15157422 A EP15157422 A EP 15157422A EP 2921670 B1 EP2921670 B1 EP 2921670B1
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EP
European Patent Office
Prior art keywords
shell
outer shell
flange
exhaust manifold
exhaust
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.)
Active
Application number
EP15157422.5A
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German (de)
English (en)
Other versions
EP2921670A2 (fr
EP2921670A3 (fr
Inventor
Mario Wegener
Uwe Fischer
Elmar Grussmann
Tobias Gockel
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 Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik 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 Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
Publication of EP2921670A2 publication Critical patent/EP2921670A2/fr
Publication of EP2921670A3 publication Critical patent/EP2921670A3/fr
Application granted granted Critical
Publication of EP2921670B1 publication Critical patent/EP2921670B1/fr
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811Fixing 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • F01N13/10Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/102Other arrangements or adaptations of exhaust conduits of exhaust manifolds having thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • F01N13/10Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/105Other 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/08Other arrangements or adaptations of exhaust conduits
    • F01N13/10Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • F01N13/107More than one exhaust manifold or exhaust collector
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/14Exhaust 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 having thermal insulation
    • F01N13/141Double-walled exhaust pipes or housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838Construction 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
    • F01N13/1844Mechanical joints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/18Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells

Definitions

  • the invention relates to an exhaust manifold for an exhaust system of an internal combustion engine according to the features in the preamble of claim 1.
  • An exhaust manifold for attachment to the cylinder head of an internal combustion engine is a component of the exhaust system. Set directly on the cylinder head of the internal combustion engine, the exhaust manifold is used to merge the exiting from the individual cylinders exhaust and forward an exhaust gas outlet. An exhaust manifold is therefore often referred to as exhaust manifold.
  • the thin-walled exhaust manifold has the advantage that the thermal mass and thus the response of a downstream catalytic converter after cold start is improved. Furthermore, air gap-insulated exhaust manifolds have the advantage that the heat loss of the exhaust gas on the way to the catalyst can be reduced by the insulating effect of the air gap, whereby a rapid heating or achievement of the operating temperature of the catalyst is effected after the engine cold start.
  • An air gap insulated exhaust manifold counts by the US 5,729,975 A to the state of the art. This has an inner tube system and a surrounding the inner tube system at a distance outer shell and an inlet flange and an outlet flange.
  • the DE 101 02 637 A1 an exhaust manifold for exhaust system.
  • the exhaust manifold has an inner tube system, there formed as an inner shell, which is surrounded by an outer shell, so that between the inner shell and the outer shell, an air gap is formed.
  • On the exhaust gas inlet side inlet flanges are provided with inlet openings. At a middle section of the exhaust manifold, the exhaust gases flowing in via the inlet flanges are brought together on a common outlet flange.
  • an air gap insulated exhaust manifold which consists essentially of three components: an outer shell, an inner shell and a fixable on the cylinder head of the engine flange.
  • the outer shell and the inner shell are each hood-shaped and each have a circumferential collar, wherein the outer shell collar is connected to the flange and the inner shell collar is clamped between outer shell collar and flange.
  • a plurality of knob-shaped or wave-shaped bulges are formed on the inner shell collar, which are punctiform supported against the outer shell collar and / or the flange.
  • the EP 1 206 631 B1 discloses an exhaust manifold having an exhaust manifold housing for receiving exhaust gas from the cylinder head having a sealing means disposed between the exhaust manifold housing and the cylinder head.
  • the exhaust gas collecting housing is provided with recesses such that it can be connected directly to the cylinder head via fastening means, wherein movements caused by the action of heat between the exhaust gas collecting housing and the cylinder head are possible.
  • Elaborate here is the additional sealing device between the outer system and exhaust manifold and the determination of the fastener.
  • An exhaust manifold with a double-walled structure goes out of the US Pat. No. 5,916,137 out.
  • This includes an inner shell and an outer shell, the individual Form inlet ports, wherein the inlet ports are mechanically connected to an outlet flange.
  • Another exhaust manifold for an internal combustion engine is known.
  • This comprises at least one exhaust pipe and possibly an outer shell receiving the exhaust pipes and at least one engine flange connected to the exhaust pipes and / or to the outer shell for connecting the exhaust manifold to an internal combustion engine.
  • the connection between the exhaust pipes and the engine flanges and optionally between the exhaust pipes and the outer shell and / or between the outer shell and the engine flanges is formed as a solder joint.
  • the arrangement comprises a hollow structure which has an outer jacket and an inner jacket, with a flange being joined to the end of the hollow structure.
  • the inner jacket is led out on the flange side out of the outer jacket and surrounds an end portion of the outer jacket on the outside with an outwardly directed flange.
  • the flange is inserted together with the end portion in the flange and at the mouth of the hollow structure facing away from the flange with these materially connected.
  • the aim is to simplify the known types of exhaust manifolds structurally.
  • a particular challenge in this case are the high temperature loads to which the component components of an exhaust manifold are exposed, resulting in durability problems.
  • the invention is based on the object of the prior art to functionally improve an exhaust manifold and to increase its durability.
  • the inner shell has an outwardly flanged flange on its edge on the inlet flange side.
  • a receptacle is formed in the inlet flange.
  • the inner shell is positioned with the flange in the receptacle.
  • the outer shell is also positioned with its inlet flange side edge in the receptacle and is here at least partially on the flange of the inner shell and joined with the recording.
  • the internal system of the exhaust manifold comprises at least one, preferably two inner shells. These are positioned over their converted flange in the receptacle of the inlet flange. In this way, the inner system is floating in the exhaust manifold stored.
  • the fixing takes place via the outer shell, which also engages on the side facing the inlet flange with its edge in the receptacle and rests with the end faces of the edge on the rearranged flange of the inner shell.
  • the outer shell is welded to the receptacle. As a result, the gas-tightness of the exhaust manifold is produced.
  • the inner system or the inner shells are floating, whereby thermal expansion of the system can be compensated.
  • the outer system of the exhaust manifold consists of the outer shell. This is preferably composed of at least two shell parts, in particular an upper shell and a lower shell.
  • the inner system of the exhaust manifold comprises in addition to the inner shell or in particular the two inner shells one or two outlet-side pipe sections, via which the inner shells are connected to the outlet flange.
  • the exhaust manifold according to the invention is functionally improved, simple in construction, rational and also advantageous assembly technology.
  • the interaction of inner shell, outer shell and inlet flange and their fixation relative to each other reduces thermal stresses and adverse temperature effects, in particular adverse temperatures are avoided on the outer shell, which forms the supporting and gas-tight shell of the system, whereby the durability of the exhaust manifold is increased overall.
  • the tightness of the system is ensured in a reliable and simple manner, without the need for expensive sealing devices.
  • the allowed Exhaust manifold as a result of its design and its construction a weight-reduced design.
  • the receptacle in the inlet flange is designed pocket-like and has a circumferential towards the outer shell directed or projecting collar.
  • the federal government is designed like a bridge or tail and extends circumferentially along the recording.
  • the contour of the collar is matched to the outer contour of the outer shell.
  • the outer shell is welded to the waistband. It is advantageous in this context if the collar has a wall thickness which corresponds approximately or substantially to the wall thickness of the outer shell. In practice, the wall thickness of the outer shell and the wall thickness of the federal government should not deviate from each other by more than 15%.
  • the substantially equal wall thickness of the collar and outer shell improves the weld joining between the components.
  • An additional stabilization of the inner shell can be achieved in that the inner shell in the receptacle with the outer shell at least partially, in particular punctiform, is joined. This can be done to counteract dynamic loads, in particular vibrations in the system.
  • An advantageous aspect of the invention provides to incorporate a fiber material between the inner shell and the outer shell.
  • the fiber material has insulating as well as elastic properties.
  • a mono- or multi-part fiber mat is used.
  • the fiber material fixes the inner shell in the outer shell and clamps it.
  • the inner shell is oriented within the outer shell.
  • the clamping force on the inner system can be varied by the mat thickness at a given air gap.
  • the temperature of the outer system can be varied by the fiber material or matte thickness, the fiber material density and the type of fiber material.
  • the fiber material acts as a damping element.
  • the fiber material between inner shell and outer shell supports these components against each other. Additional support elements or positioning aids, such as wire mesh, can be omitted.
  • the fiber material also reduces the thermal load on the Outer shell, which is also advantageous for the durability of the exhaust manifold.
  • the inner system comprising one or more inner shells can be designed as a common-part concept.
  • the indoor system can be easily adapted to the flow requirements.
  • the one or more inner shells are supported by the fiber material floating in the outer shell and held in position.
  • a one- or multi-part prefabricated and preformed fiber mat is used.
  • the fiber material is used as a damping element and clamps the internal system of the exhaust manifold.
  • the connection of the outer system, so the outer shell with the inlet flange is made by welding.
  • the exhaust manifold has an inlet flange 2 and an outlet flange 3, an inner system consisting of two inner shells 4, 5 and two outlet-side pipe sections 6, 7, and an outer system surrounding the inner system by far, which is formed by an outer shell 8 which consists of two shell parts 9 , 10, namely an upper shell and a lower shell is composed.
  • the shell parts 9, 10 are connected to each other at their overlapping edges 11, 12, in particular welded together.
  • the inlet flange 2 is designed to be clamped to the cylinder head of an internal combustion engine. Via inlet openings 13, 14 in the inlet flange 2, which communicate with the outlet openings of the cylinder bank, the exhaust gas flowing from the individual cylinders of the internal combustion engine passes into the inner shells 4, 5. About the inner shells 4, 5, the exhaust gas is collected, deflected and over the end Pipe pieces 6, 7 fed to the outlet flange 3.
  • the inner shells 4, 5 of the inner system are geometrically designed the same and arranged symmetrically to the vertical center axis.
  • the end-side pipe sections 6, 7 each connect an inner shell 4, 5 with the outlet flange 3.
  • the outlet flange 3 has two semicircular receiving openings 15, 16, which are separated by a central web 17.
  • the pipe sections 6, 7, the exit flange side are formed so that they fit positively into the receiving openings 15, 16.
  • the outer shell 8 of the outlet flange 3 is joined cohesively, in particular welded.
  • a coronal neck 18 is provided on the side directed toward the outer shell 8 of the outlet flange 3. This is surrounded by configuratively adjusted rounded end portions 19, 20 of the shell parts 9, 10 of the outer shell 8 on the outer circumference and joined tightly with these.
  • the coupling of the exhaust manifold 1 is carried out with downstream exhaust gas components, in particular an exhaust pipe or a turbocharger.
  • the lower shell body 22 and the upper shell body 23 are here on the outside configuratively adapted to the inner contour of the shell parts 9, 10 of the outer shell 8 and the inside on the outer contour of the inner shells 4, 5.
  • the inner shells 4, 5 in the outer shell 8 relative to the inlet flange 2 position-oriented and clamped.
  • the fiber material 21 serves the thermal insulation of the outer shell 8 with respect to the inner shells 4, 5.
  • inner shells 4, 5 are sheet metal parts.
  • the inner shells 4, 5 have on the inlet side at their inlet flange side edge 24 circumferentially on an outwardly converted flange 25.
  • a receptacle 26 is formed in the inlet flange 3.
  • the inner shells 4, 5 are inserted and positioned with the flange 25 in the receptacle 26.
  • the outer shell 8 engages over the inner shells 4, 5 and is inserted with its inlet flange-side edge 27 into the receptacle 26.
  • the outer shell 8 is flush with the end face 28 of its edge 27 over part of the circumference of the inner shells 4, 5 on the flanges 25.
  • the receptacle 26 has a circumferential and in the direction of the outer shell 8 and the inner shells 4, 5 projecting collar 29 , This is configured to the contour of the edge 27 of the outer shell 8 as well as to the contour of the longitudinal sides 30 and the outer short sides 31 of the inner shells 4, 5 adapted.
  • the outer shell 8 is joined to the receptacle 26.
  • the outer shell 8 is welded to the collar 29.
  • a central web 33 is formed in the middle region 32 of the inlet flange 2.
  • the central web 33 divides the receptacle 26 into a receiving pocket 34 for the inner shell 4 and into a receiving pocket 35 for the inner shell 5.
  • the inner shells 4, 5 are supported by the fiber material 21 and the shell body 22, 23 floating in the outer shell 8 and elastically supported in position.
  • the shell body 22, 23 of fiber material 21 each have an extension 36.
  • the extensions 36 of the lower shell body 22 and the upper shell body 23 are aligned with each other and protrude between the Inner shell 4 and the inner shell 5.
  • the connection of the outer shell 8 with the inlet flange 2 is carried out as already stated cohesively by means of welding.
  • the outer shell 8 is welded to the collar 29. It is advantageous for the joint that the wall thickness s1 of the collar 29 substantially corresponds to the wall thickness s2 of the outer shell 8.
  • the inner shells 4, 5 have from the inlet openings 13, 14 in the inlet flange 2 in the flow direction extending indentations 37.
  • the impressions 37 are each formed in the region of a middle section 38 of the inlet flange 2 located between two inlet openings 13, 14 of the inlet flange 2.
  • the indentations 37 support the flow of exhaust gas through the inner shells 4, 5 from the inlet openings 13, 14 in the inlet flange 2 to the outlet flange 3.
  • the outlet openings 39, 40 of the inner shell 4, 5 each open into a pipe section 6, 7 and are overlapped by these ends.
  • the receptacle 26 and the collar 29 as well as the outer shell 8 and the shell body 22, 23 are matched in their contour to the indentation 37 in the inner shells 4, 5.
  • the receptacle 26 and the collar 29 have in the region of the central portions 38 to the contour of the indentations 37 complementarily formed rounded mold sections 41.
  • corresponding indentations 42 are formed to the contour of the indentations 37 and the mold sections.
  • the lower shell body 22 and the upper shell body 23 have to the impressions 37, 42 complementary indentations 43.

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

Claims (7)

  1. Collecteur de gaz d'échappement pour une installation de gaz d'échappement d'un moteur à combustion interne avec au moins une coque intérieure (4, 5) disposée dans une coque extérieure (8) et une bride d'entrée (2) pouvant être fixée à la culasse du moteur à combustion interne ainsi qu'une bride de sortie (3), dans lequel la coque intérieure (4, 5) est montée de manière flottante dans la coque extérieure (8), dans lequel la coque intérieure (4, 5) présente, au niveau de son bord (24) situé côté bride d'entrée, une bride (25) déplacée vers l'extérieur et un logement (26) est réalisé dans la bride d'entrée (2), lequel logement présente un collet (29) périphérique et faisant saillie en direction de la coque extérieure (8), dans lequel la coque intérieure (4, 5) est positionnée avec la bride (25) dans le logement (26) et la coque extérieure (8) repose, par son bord (27) situé côté bride d'entrée, dans le logement (26), au moins par endroits sur la bride (25) et est assemblée au logement (26), caractérisé en ce que
    la coque extérieure (8) est soudée au logement (26), en particulier au collet (29).
  2. Collecteur de gaz d'échappement selon la revendication 1, caractérisé en ce qu'un matériau à base de fibres (21) est intégré entre la coque intérieure (4, 5) et la coque extérieure (8).
  3. Collecteur de gaz d'échappement selon la revendication 2, caractérisé en ce que la coque intérieure (4, 5) est orientée en position à travers le matériau à base de fibres (21) à l'intérieur de la coque extérieure (8).
  4. Collecteur de gaz d'échappement selon au moins l'une quelconque des revendications 1 à 3, caractérisé en ce que le collet (29) possède une épaisseur de paroi (s1) qui correspond sensiblement à l'épaisseur de paroi (s2) de la coque extérieure (8).
  5. Collecteur de gaz d'échappement selon au moins l'une quelconque des revendications 1 à 4, caractérisé en ce que la coque intérieure est assemblée dans le logement au moins par endroits, en particulier de manière ponctuelle, à la coque extérieure.
  6. Collecteur de gaz d'échappement selon au moins l'une quelconque des revendications 1 à 5, caractérisé en ce que la coque extérieure (8) est composée d'au moins deux parties de coque (9, 10).
  7. Collecteur de gaz d'échappement selon au moins l'une quelconque des revendications 1 à 6, caractérisé en ce que la coque intérieure (4, 5) fait partie intégrante d'un système intérieur et est reliée, par l'intermédiaire d'une pièce tubulaire (6, 7), à la bride de sortie (3).
EP15157422.5A 2014-03-20 2015-03-03 Collecteur de gaz d'échappement pour une installation de gaz d'échappement d'un moteur à combustion interne Active EP2921670B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014103809.6A DE102014103809A1 (de) 2014-03-20 2014-03-20 Abgaskrümmer für eine Abgasanlage eines Verbrennungsmotors

Publications (3)

Publication Number Publication Date
EP2921670A2 EP2921670A2 (fr) 2015-09-23
EP2921670A3 EP2921670A3 (fr) 2015-12-02
EP2921670B1 true EP2921670B1 (fr) 2017-09-20

Family

ID=52596423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15157422.5A Active EP2921670B1 (fr) 2014-03-20 2015-03-03 Collecteur de gaz d'échappement pour une installation de gaz d'échappement d'un moteur à combustion interne

Country Status (5)

Country Link
US (1) US9677453B2 (fr)
EP (1) EP2921670B1 (fr)
CN (1) CN104948283B (fr)
DE (1) DE102014103809A1 (fr)
ES (1) ES2644396T3 (fr)

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Publication number Priority date Publication date Assignee Title
US10544703B2 (en) 2017-01-30 2020-01-28 Garrett Transportation I Inc. Sheet metal turbine housing with cast core
CN116291837A (zh) * 2018-05-15 2023-06-23 康明斯公司 双壁集成凸缘接头
DE102018007999A1 (de) * 2018-10-10 2020-04-16 Deutz Aktiengesellschaft Hohes zweiflutiges Guss-Abgassammelrohr mit separierten Kanälen
US11732729B2 (en) 2021-01-26 2023-08-22 Garrett Transportation I Inc Sheet metal turbine housing
WO2023026581A1 (fr) * 2021-08-26 2023-03-02 株式会社Ihi Compresseur de suralimentation

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Publication number Publication date
CN104948283B (zh) 2017-11-24
EP2921670A2 (fr) 2015-09-23
CN104948283A (zh) 2015-09-30
EP2921670A3 (fr) 2015-12-02
ES2644396T3 (es) 2017-11-28
US9677453B2 (en) 2017-06-13
US20150267599A1 (en) 2015-09-24
DE102014103809A1 (de) 2015-12-03

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