EP3710688A1 - Groupe motopropulseur avec systeme de depollution ameliore - Google Patents
Groupe motopropulseur avec systeme de depollution amelioreInfo
- Publication number
- EP3710688A1 EP3710688A1 EP18789166.8A EP18789166A EP3710688A1 EP 3710688 A1 EP3710688 A1 EP 3710688A1 EP 18789166 A EP18789166 A EP 18789166A EP 3710688 A1 EP3710688 A1 EP 3710688A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casing
- tubular wall
- pollution control
- control system
- recirculation system
- 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
Links
- 239000003344 environmental pollutant Substances 0.000 title abstract description 6
- 231100000719 pollutant Toxicity 0.000 title abstract description 6
- 230000003134 recirculating effect Effects 0.000 claims abstract description 4
- 239000000110 cooling liquid Substances 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 39
- 239000003546 flue gas Substances 0.000 claims description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000005202 decontamination Methods 0.000 claims 1
- 230000003588 decontaminative effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
-
- 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
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- 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
-
- 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
- F01N3/103—Oxidation catalysts for HC and CO only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/12—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems characterised by means for attaching parts of an EGR system to each other or to engine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
- F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger
Definitions
- the invention relates to an improved depollution system of a power train with a heat engine.
- the invention relates more particularly to a catalytic converter of a heat engine depollution system.
- the invention relates to a motor vehicle with a power train with an improved pollution control system.
- a motor vehicle equipped with a powertrain has been subject for some years to strong constraints in terms of pollution control to minimize the release of gaseous pollutants into the atmosphere such as oxides and nitrogen monoxide. and / or carbon.
- a powertrain comprises a heat engine, and the pollution control system is placed on an exhaust line of said engine.
- a pollution control system comprises a particulate filter (FAP) and an oxidation catalyst (DOC) also known under the name of catalytic converter connected in series on the exhaust line.
- FAP particulate filter
- DOC oxidation catalyst
- the gases at the outlet of the low-pressure pollution control system are very hot, which reduces the mass of the gases before entering the engine intake circuit and therefore the efficiency of said engine. It is known to add to the low-pressure flue gas recirculation circuit a flue gas cooler.
- the cooler may be a water-air exchanger in which the air, in this case the burnt gases, transfers a heat quantity to the water which carries this heat for example to a radiator generally in front of the vehicle.
- Publication US4912928-A proposes a heat exchanger connected to a catalyst in order to reduce the size of the heat exchanger, to reduce the overall size of the exchanger, to lower the cost of production and to reduce the heat exchanger. space of the installation.
- Said heat exchanger is installed downstream of the catalyst and the document does not propose a compact arrangement of the gas recirculation device which comprises a catalyst and an exchanger.
- a piece connector of the water-air heat exchanger is pushed into an outlet of the pollution control system.
- This connector then forms a large protuberance in a chamber at the outlet of the pollution control system here a catalytic converter altering the circulation of exhaust gases at the outlet to form low gas velocity and high temperature zones.
- the gases arriving in this zone are very hot.
- they contribute to heating the wall of the water-air heat exchanger and form a zone of high temperatures which disturbs the operation of the cooler: indeed, the water is heated to high temperature and thus does not evacuate the heat of the heat. gas with the expected efficiency, which leads to less efficiency in reducing the discharge of gaseous pollutants.
- the object of the invention is to remedy these problems and one of the objects of the invention is a powertrain with a pollution control system with improved flue gas cooling.
- the present invention relates to a recirculation system of burnt gases from a motor vehicle engine, downstream of a pollution control system.
- the present invention more particularly relates to a device for recirculating burnt gases from a motor vehicle powertrain comprising:
- crankcase of a system for cleaning up burned gases
- a burnt gas recirculation element comprising a connection endpiece with a tubular wall driven into an outlet opening of the casing of the pollution control system;
- the device an envelope adapted to surround the tubular wall of the connection tip.
- the burnt gas recirculation device proposes a casing surrounding a tubular wall of a connecting end of an element of the flue gas recirculation circuit in order to protect hot gases burnt said tip and in particular the tubular wall recessed in the crankcase of the pollution control system.
- the casing is tubular.
- the casing is tubular to optimally accommodate the connection end and in particular to cover the tubular wall of said endpiece.
- the casing is adapted to reorient the flue gas flow in the opposite direction to the tubular wall.
- the casing is able to reorient and redirect flue gases directed towards the tubular wall of the nozzle in an opposite direction in order to avoid the impact of the gas flows directly on said tubular wall of the nozzle. tip, which would result in localized heating of said tip and therefore a reduction in the efficiency of the recirculation of flue gas.
- the casing is of complementary shape to the tubular wall of the connecting end piece.
- the casing has a shape complementary to the tubular wall of the connection tip, which keeps the compactness of the entire device.
- the envelope is part of the crankcase of the pollution control system.
- the envelope is part of the housing of the pollution control system, resulting for example from molding. Manufacturing and assembly are simplified.
- the envelope is part of the connection tip.
- the envelope according to another embodiment is part of the tip of the pollution control system, said envelope is then reported around said tip; which allows a simple adaptation of the invention to an existing pollution control system housing and nozzle.
- the envelope is formed by a metal sheet.
- the casing is formed by a sheet metal winding, which allows ease of manufacture and easy adaptation between the casing and the endpiece.
- the casing is separated from the tubular wall to prevent heat transfer by conduction between said casing and the tubular wall of the endpiece.
- the device comprises a thermal insulation layer disposed between the casing and the tubular wall.
- the device comprises a layer of thermal insulation disposed between the casing and the tubular wall in order to obtain optimum thermal protection of the tip.
- FIG. 1 is a schematic view of a flue gas recirculation device with a pollution control system.
- FIG. 2 is a schematic longitudinal sectional view of a connecting end of a heat exchanger with a tubular wall driven into an outlet opening of the housing of the pollution control system.
- FIG. 3 is a schematic longitudinal sectional view of the envelope according to one embodiment of the invention.
- FIG. 4 is a schematic longitudinal sectional view of the envelope with the nozzle according to the embodiment of the invention.
- FIG. 5 is a schematic of the exchanger according to a second embodiment.
- FIG. 6 is a schematic view of the envelope according to the second embodiment.
- FIG. 7 is a schematic view of the flue gas recirculation device with the pollution control system according to the second embodiment.
- FIG. 8 is a schematic view of longitudinal section of the nozzle according to the second embodiment.
- FIG. 1 represents a device for recirculating burnt gases resulting from the combustion of an air and fuel mixture in a combustion chamber of a heat engine or internal combustion engine (not shown).
- the engine of a motor vehicle comprises a crankcase surmounted by a cylinder head.
- a cylinder block In the cylinder block are drilled cylinders in each of which slides a piston.
- the volume defined by the wall of the cylinder, the piston and a bottom wall of the cylinder head form a combustion chamber.
- fuel and gas composed mainly of fresh air and recirculated gas to form a mixture which is compressed by the rise of the piston to be burned next.
- the flue gases escape via exhaust ducts controlled by exhaust valves to an exhaust manifold adapted to direct said flue gases to a pollution control system 100.
- the pollution control system may comprise various pollution control elements including a catalyst associated with a particle filter for example, said elements are housed inside a housing 101 substantially cylindrical.
- the flue gases undergo the depollution treatment passing through the pollution control elements and a portion of the exhaust gas exhausted from the pollution control system 100 is taken back to be returned to the engine air intake to reduce gas emissions. pollutants, thanks to a recirculation circuit 10 of the burnt gases.
- the flue gas recirculation circuit taken downstream according to the flow direction of the flue gases, the pollution control system is called “low pressure”.
- Another circuit may also bring burnt gases to the engine intake but upstream of the pollution control system and is called “high pressure”.
- the invention relates to the "low pressure" flue gas recirculation circuit.
- the cooler may be a water-air heat exchanger 102 in which the flue gases transfer a heat quantity to the water which carries this heat for example to a radiator (not shown) generally on the front of the vehicle.
- the flue gas recirculation circuit comprises various recirculation elements among which an EGR valve for "Exhaust gas recirculation” or recirculation of flue gases, a cooler 102 of said gases.
- FIG. 2 shows the connection of the water-gas exchanger 102 of the flue gas recirculation device 10 with the pollution control system 100.
- the cooler 102 has a substantially cylindrical connection tip 11 surrounding longitudinal gas lines 104 which are immersed in a transfer chamber 103 filled with coolant.
- the coolant is water-based and enters said transfer chamber 103 through an inlet opening 105 and exits through an outlet 106 to be subsequently conducted to a radiator (not shown).
- connection endpiece 11 has a tubular wall 12 and is pushed through an outlet opening 107 into a substantially conical wall 108 of the outlet of the housing 101 of the pollution control system.
- Part of the hot gases is directed by the conical wall 108 of the housing 101 and strike laterally said tubular wall 12 of the nozzle to form a high temperature zone affecting the thermal characteristics of the cooling liquid, in contact.
- the invention proposes a protection of the tubular wall 12 of the connecting piece 11 against this part of burnt gases.
- FIGS 3 and 4 show a first embodiment of the invention.
- the recirculation device 10 according to the invention comprises a casing 14 formed by a metal foil, for example sheet steel stainless steel thin between 0.2mm and 0.5mm. Said envelope 14 surrounds the tubular wall 12 of the connecting piece 11 when it is mounted and pressed into the wall 108 of the casing 101.
- the casing 14 is tubular to allow the housing of the connection piece to be housed.
- the casing has an outer wall 15 in contact with the flue gases, capable of deflecting the flue gases in a direction opposite to the tubular wall.
- the term "direction opposite to the wall tubular" a direction away from the tubular wall.
- Said outer wall 15 may have a substantially conical shape with a deflection angle ⁇ for example to substantially form a deflector 16 of the flue gases.
- the envelope 14 is separated from the tubular wall 12 of the connector 11. In this way, no thermal transfer of heat between the casing 14 and the tubular wall 12 can be performed.
- the inside diameter of the casing 14 is substantially equal to the outside diameter of the connection endpiece 11.
- no hot gas flow circulates between the casing and the tubular wall of the endpiece.
- the casing 14 is part of the housing 101 of the pollution control system 100.
- the casing 14 is substantially cylindrical with an end 17 facing the slightly strangled depollution system and comprising claws 18 fixing.
- the casing 14 is easily gripped at the connection endpiece 11 when said endpiece is pressed into the wall 108 of the casing 101.
- the fixing claws 18 also allow optimal positioning of the casing 14 with respect to the tubular wall 12 of the casing the connection tip to maintain a separation 19 between the casing 14 and the tubular wall 12, that is to say that the casing 14 is kept at a distance from the tubular wall 12, without contact.
- Said separation 19 or separation space is filled by a layer of air or gas forming an insulating layer between the envelope and the tubular wall.
- the separation space may be closed or of suitable size to prevent a flow of gas in said separation space 19.
- the thickness of said space is very small of the order of mm, or access to said space of separation is closed or covered by the envelope 14.
- the envelope 14 is part of the connector 11.
- the casing 14 is formed by a metal sheet wound around the tubular wall 12 of the connection piece. It rests solely on the longitudinal ends 17, 17 'of the end piece and is separated from the tubular wall 12 to form a separation space 19 between the casing 14 and the tubular wall 12 of the connection piece.
- the casing may consist of a cylindrical metal sheet shown in FIG. 6, it is wound or threaded around the tubular wall 12 as shown in FIG. 7.
- the separation space 19 between the casing 14 and the tubular wall 12 is thin and can be filled with air or a layer of thermal insulation 21 such as a layer based on glass fibers and high temperature resins or ceramic.
- the casing 14 can extend along the axis of the endpiece over a longer length than the insertion length 20 of the endpiece 11 in the housing 101. that is, the envelope 14 protrudes outside the housing 101 of the pollution control system 100 to increase the thermal insulation of the connection tip and improve the efficiency of the exchanger.
- the envelope covering the portion of the connecting end of the exchanger driven into the housing allows a thermal protection of said nozzle against hot gas flows from striking the lateral tubular wall of said nozzle, said envelope being simple to manufacture and set up.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Exhaust Gas After Treatment (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1760753A FR3073574A1 (fr) | 2017-11-15 | 2017-11-15 | Groupe motopropulseur avec systeme de depollution ameliore |
PCT/EP2018/079172 WO2019096553A1 (fr) | 2017-11-15 | 2018-10-24 | Groupe motopropulseur avec systeme de depollution ameliore |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3710688A1 true EP3710688A1 (fr) | 2020-09-23 |
EP3710688B1 EP3710688B1 (fr) | 2021-08-25 |
Family
ID=60923730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18789166.8A Active EP3710688B1 (fr) | 2017-11-15 | 2018-10-24 | Groupe motopropulseur avec systeme de depollution ameliore |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3710688B1 (fr) |
CN (1) | CN111295505B (fr) |
FR (1) | FR3073574A1 (fr) |
WO (1) | WO2019096553A1 (fr) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2659720B2 (ja) | 1987-09-11 | 1997-09-30 | 三菱重工業株式会社 | 排ガス熱交換装置 |
DE10054264A1 (de) * | 2000-11-02 | 2002-05-08 | Opel Adam Ag | Saugrohranlage für eine Brennkraftmaschine |
JP4931390B2 (ja) * | 2005-09-12 | 2012-05-16 | 臼井国際産業株式会社 | Egrガス冷却装置 |
CN101832201B (zh) * | 2010-04-29 | 2012-05-02 | 重庆长安汽车股份有限公司 | 一种发动机废气再循环管与塑料进气歧管的连接结构 |
FR3014947B1 (fr) * | 2013-12-13 | 2017-12-29 | Renault Sas | Ligne d'echappement de moteur a combustion interne et moteur a combustion interne comportant une telle ligne d'echappement |
FR3041033B1 (fr) * | 2015-09-15 | 2017-09-15 | Renault Sas | Ligne d'echappement et circuit d'air pour moteur de vehicule automobile permettant une integration optimisee du circuit de recirculation des gaz d'echappement |
GB2546488B (en) * | 2016-01-19 | 2020-05-13 | Ford Global Tech Llc | An engine exhaust gas recirculation system with at least one exhaust recirculation treatment device |
GB2559182B (en) * | 2017-01-30 | 2021-01-06 | Senior Uk Ltd | Finned heat exchangers |
-
2017
- 2017-11-15 FR FR1760753A patent/FR3073574A1/fr not_active Withdrawn
-
2018
- 2018-10-24 EP EP18789166.8A patent/EP3710688B1/fr active Active
- 2018-10-24 CN CN201880071633.8A patent/CN111295505B/zh active Active
- 2018-10-24 WO PCT/EP2018/079172 patent/WO2019096553A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
CN111295505B (zh) | 2022-07-26 |
EP3710688B1 (fr) | 2021-08-25 |
CN111295505A (zh) | 2020-06-16 |
FR3073574A1 (fr) | 2019-05-17 |
WO2019096553A1 (fr) | 2019-05-23 |
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