EP1861608A1 - Abgasanlage mit einer abgasbehandlungseinheit und einem wärmetauscher in einer abgasrückführleitung - Google Patents
Abgasanlage mit einer abgasbehandlungseinheit und einem wärmetauscher in einer abgasrückführleitungInfo
- Publication number
- EP1861608A1 EP1861608A1 EP06723685A EP06723685A EP1861608A1 EP 1861608 A1 EP1861608 A1 EP 1861608A1 EP 06723685 A EP06723685 A EP 06723685A EP 06723685 A EP06723685 A EP 06723685A EP 1861608 A1 EP1861608 A1 EP 1861608A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- treatment unit
- exhaust
- heat exchanger
- gas treatment
- 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
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 112
- 238000009826 distribution Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 9
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006262 metallic foam Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- 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
-
- 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
- F01N13/009—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 having two or more separate purifying devices arranged in series
- F01N13/0097—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 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
- F01N3/2889—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices with heat exchangers in a single housing
-
- 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
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- 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
- F02M26/23—Layout, e.g. schematics
- F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
-
- 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
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
-
- 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 subject matter of the present invention is an exhaust system for internal combustion engines with heat exchanger and exhaust gas treatment unit in an exhaust gas recirculation system.
- Exhaust systems of internal combustion engines are often formed with heat exchangers, which are used in particular for a return of the exhaust gas into the air inlet region of the internal combustion engine for cooling the exhaust gas. Pollution of the heat exchanger due to pollutants present in the exhaust gas reduces its performance, so that when the heat exchanger is designed, it must basically be over-dimensioned in order to ensure over a longer period of time that the heat exchanger has at least the desired performance.
- the object of the invention is to propose a system to be used in the exhaust gas recirculation line, comprising a heat exchanger and a catalyst, in which an effective reduction of the Pollution of the heat exchanger and at the same time the smallest possible volume of the heat exchanger and the catalyst is achieved.
- the exhaust system according to the invention of an internal combustion engine which comprises an intake system and an exhaust outlet, wherein the exhaust outlet and intake system are connected via an exhaust gas recirculation line, in which an exhaust gas treatment unit and a heat exchanger are formed, wherein the heat exchanger has a first back pressure and the exhaust gas treatment unit has a second back pressure, is smaller than the first dynamic pressure, is characterized in that the exhaust gas treatment unit is formed in such a first distance in the direction of flow in front of the heat exchanger, that during operation, a gas flow entering the exhaust gas treatment unit is made uniform. This means, in particular, that the back pressure in the flow direction before the exhaust gas treatment unit is influenced by the first dynamic pressure of the heat exchanger. ⁇
- a heat exchanger is to be understood here in particular also an exhaust gas cooler, with which the recirculated exhaust gas is cooled.
- the internal combustion engine is in particular a diesel engine, for example a diesel engine of a motor vehicle (eg a passenger car, a truck, a motor-driven two-wheeler, boat or aircraft) or a stationary-use diesel engine.
- a homogenization is in particular also understood as a broadening of the probability distribution of the applied velocities.
- a heat exchanger which has a plurality of tubes through which the exhaust gas flows. These tubes are preferably flowed around by a coolant which flows through the housing of the heat exchanger and which is taken from a not shown cooling circuit of the internal combustion engine.
- honeycomb bodies for example ceramic or metallic honeycomb bodies, or else wire knit bodies, bodies made of metal foam or the like.
- Metallic honeycomb bodies can be constructed, in particular, from at least one at least partially structured metallic layer and optionally at least one substantially smooth layer, which is wound up or stacked and wound together. The twisted or wound layers form permeable cavities, which are bounded by the layers.
- the layers are in particular made of a high temperature corrosion resistant material, such as Al or Cr steel.
- the layers can be connected to one another, in particular materially bonded, such as, for example, by a high-temperature soldering process.
- Both the essentially smooth layers and the at least partially structured layers can have microstructures, guide surfaces, perforations and / or perforations, at least in some areas, which serve for even better mixing of the gas flow.
- the equalization of the gas flow before entering the exhaust gas treatment unit is advantageously carried out in that the exhaust gas treatment unit is formed relatively close to the heat exchanger. This leads to an equalization of the gas flow already in the exhaust gas treatment unit, so that here the conversion rate is improved because the cross section of the exhaust gas treatment unit is more uniformly exposed to exhaust gas.
- the volume of the exhaust gas treatment unit can be reduced compared to a conventional structure at the same rate of conversion of pollutants in the exhaust gas. Due to the significantly more efficient conversion rate of the pollutants also reduces the pollution of the heat exchanger, so that it can be smaller in size compared to conventional heat exchangers.
- honeycomb body which has a relatively small number of cells, for example less than 400 cpsi (cells per square inch), preferably less than 300 cpsi 200 cpsi and less, especially even 100 cpsi.
- the first distance is selected such that the effect of the first dynamic pressure and the second dynamic pressure accumulate.
- Cumulating means here in particular that the dynamic pressure applied in front of the exhaust-gas treatment unit is greater than the second dynamic pressure which the exhaust-gas treatment unit would have as such.
- the back pressure before a component in a flow causes a kind of pressure cushion, which leads to a change in the flow.
- the present invention causes instead of two areas with a pressure pad before the heat exchanger and the exhaust gas treatment unit, only a pressure pad before the exhaust gas treatment unit forms.
- the cumulation of the dynamic pressures advantageously leads to the exhaust gas, before it flows into the exhaust gas treatment unit, having to overcome a back pressure which is greater than the second back pressure of the exhaust gas treatment unit.
- the dynamic pressure is even significantly greater than the second dynamic pressure.
- the increase of the back pressure causes a homogenization of the flow of the exhaust gas treatment unit and thus the gas flow through the exhaust gas treatment unit and heat exchanger.
- a second distance of a gas inlet-side end face of the exhaust gas treatment unit from a gas inlet on the outlet side of the heat exchanger less than 60 mm, preferably less than 45 mm, more preferably less than 30 mm.
- the expansion of the exhaust gas treatment unit in the flow direction is less than 100 mm, preferably less than 50 mm, particularly preferably 25 mm or less.
- the exhaust gas treatment unit comprises a honeycomb body.
- honeycomb bodies With a honeycomb body, an exhaust gas treatment unit can be created whose properties such as surface, back pressure, etc. can be set very accurately.
- metallic or ceramic honeycomb bodies are suitable as honeycomb bodies.
- honeycomb bodies can advantageously be used here, as described, for example, in DE 197 55 703 A1, WO 90/13736 A1 and WO 99/11911 A1. With respect to the attachment of the honeycomb body, these applications are fully incorporated by reference.
- the first distance between the exhaust gas treatment unit and the Heat exchanger less than 15 mm, preferably less than 10 mm, more preferably less than 5 mm.
- the heat exchanger and exhaust gas treatment unit in a common housing.
- the exhaust gas treatment unit can be held in a corresponding bead of the housing by means of a Ausbörde- treatment or the like. It is also possible to fit the exhaust gas treatment unit flush on a front side of the heat exchanger.
- the exhaust gas treatment unit comprises a catalytically active coating, in particular an oxidation catalyst coating.
- the catalytically active coating comprises, for example, a ceramic washcoat which contains materials which catalyze the desired reactions, ie in particular reduce the reaction temperature of these reactions to such an extent that they run to a significant extent at the temperatures in the exhaust gas recirculation.
- Suitable catalysts are in particular noble metals such as platinum, rhodium or the like.
- the oxidation catalyst coating catalyzes, in particular, the oxidation of hydrocarbons, since these are responsible for fouling the heat exchanger.
- the hydrocarbons form a sticky substance which condenses on the cold areas of the heat exchanger and which may further cause soot particles contained in the exhaust gas to adhere to the walls of the heat exchanger.
- the exhaust gas treatment unit is in particular so designed det that the longest possible residence time and the largest possible surface available for the reaction is given.
- the ratio of the first dynamic pressure to the second dynamic pressure is greater than 2, preferably greater than 10.
- Fig. 1 shows schematically a first embodiment of an exhaust system according to the invention
- FIG. 2 shows schematically a section of the first embodiment of an exhaust system according to the invention
- FIG. 3 is a schematic section of a second embodiment of an exhaust system according to the invention.
- FIG. 4 schematically shows two probability distributions of the flow velocity.
- 1 shows schematically a first exemplary embodiment of an exhaust system 1 according to the invention of a combustion engine 2.
- the internal combustion engine 2 comprises an intake system 3 and an exhaust gas outlet 4, wherein the exhaust gas outlet 4 and intake system 3 are connected via an exhaust gas recirculation line 5, in which an exhaust gas treatment unit 6 and a Heat exchangers 7 are formed.
- the heat exchanger 7 has a first dynamic pressure and the exhaust gas treatment unit 6 has a second dynamic pressure, which is smaller than the first dynamic pressure.
- the usual flow direction of the exhaust gas was symbolized by corresponding arrows.
- the amount of exhaust gas flowing through the exhaust gas recirculation line 5 can be regulated, for example, by corresponding valves not shown.
- the exhaust gas recirculation line 5 can branch off on the exhaust side, both upstream and downstream of an exhaust gas turbocharger (not shown).
- the exhaust gas treatment unit 6 is formed in such a first distance 8 upstream of the heat exchanger 7 in the flow direction, so that during operation, a gas flow 14 entering the exhaust gas treatment unit 6 is made uniform.
- the first distance 8 is in this case in particular less than 15 mm, preferably less than 10 mm, particularly preferably less than 5 mm.
- Heat exchanger 7 and exhaust gas treatment unit 6 are designed so that at this first distance 8 to accumulate the effects of the first dynamic pressure and the second dynamic pressure, so that the exhaust gas flowing into the exhaust gas treatment unit 6 must overcome a back pressure greater than the second back pressure of Exhaust gas treatment unit 6 as such. As explained above, this leads to an equalization of the gas flow 14, which flows into the exhaust gas treatment unit 6.
- FIG. 2 schematically shows the detail of the exhaust gas recirculation line 5, which comprises the exhaust gas treatment unit 6 and the heat exchanger 7.
- a second distance 9 between a gas inlet-side end face 10 of the heat exchanger 7 and a gas inlet-side end face 11 of the exhaust gas treatment unit 6 is selected according to the invention so that it is an equalization of the flow in the exhaust treatment unit 6 comes.
- the second distance 9 is less than 60 mm, preferably less than 45 mm, particularly preferably less than 30 mm.
- short honeycomb bodies may be used as the exhaust gas treatment unit 6, in particular an expansion 12 in the flow direction of about 20 to about 40 mm.
- the first distance 8 is, for example, less than 15 mm, or even 5 mm or less.
- the first distance 8 is selected so that the effect of the first dynamic pressure of the heat exchanger 7 and the second dynamic pressure of the exhaust gas treatment unit 6 accumulate, so that the exhaust gas flowing into the exhaust gas treatment unit 6 has to overcome a back pressure that is greater, preferably significantly larger than the second dynamic pressure of the exhaust gas treatment unit 6 is.
- FIG. 3 schematically shows a section of a further exemplary embodiment of an exhaust system 1 according to the invention.
- a cone 13 is formed in the exhaust gas recirculation line 5, which comprises the exhaust gas treatment unit 6 designed as honeycomb body 17 with here conical channels 18.
- the cone 13 carries the gas flow 14 flowing through the exhaust gas recirculation line 5 to the heat exchanger 7.
- the heat exchanger 7 comprises exhaust pipes 15 in a housing 16.
- the gas flow 14 flows through the exhaust pipes 15, these being surrounded by a coolant in the housing 16 which forms part of the housing Cooling circuit of the internal combustion engine 2 is.
- the first distance 8 between the heat exchanger 7 and the exhaust gas treatment unit 6 is erf ⁇ ndungshiel chosen so that during operation of a entering into the exhaust gas treatment unit 6 gas flow 14 is made uniform.
- the second probability distribution 20 is the probability distribution in a system according to the invention. It therefore relates to an exhaust system 1 with a heat exchanger 7 and an exhaust gas treatment unit 6 in an exhaust gas recirculation line 5.
- the second probability distribution 20 is wider, in particular has a greater width at half maximum height (fill width half maximum) than the first probability distribution 19. This is based on the homogenization of the flow according to the invention.
- the exhaust system according to the invention advantageously allows the formation of a heat exchanger 7 and an exhaust gas treatment unit 6 such as a honeycomb body in the exhaust gas recirculation line 5, wherein both the heat exchanger 7 and the exhaust gas treatment unit 6 can be formed smaller than in the usual way. This saves considerable costs in the design of such systems.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Exhaust Gas After Treatment (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06723685T PL1861608T3 (pl) | 2005-03-24 | 2006-03-24 | Układ spalinowy z jednostką przetwarzania spalin i wymiennikiem ciepła w przewodzie odprowadzania spalin |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005014264A DE102005014264A1 (de) | 2005-03-24 | 2005-03-24 | Abgasanlage mit einer Abgasbehandlungseinheit und einem Wärmetauscher in einer Abgasrückführleitung |
PCT/EP2006/002702 WO2006100090A1 (de) | 2005-03-24 | 2006-03-24 | Abgasanlage mit einer abgasbehandlungseinheit und einem wärmetauscher in einer abgasrückführleitung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1861608A1 true EP1861608A1 (de) | 2007-12-05 |
EP1861608B1 EP1861608B1 (de) | 2013-05-15 |
Family
ID=36577409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06723685.1A Active EP1861608B1 (de) | 2005-03-24 | 2006-03-24 | Abgasanlage mit einer abgasbehandlungseinheit und einem wärmetauscher in einer abgasrückführleitung |
Country Status (9)
Country | Link |
---|---|
US (1) | US7490595B2 (de) |
EP (1) | EP1861608B1 (de) |
JP (1) | JP2008534835A (de) |
KR (1) | KR100901548B1 (de) |
CN (1) | CN101146989B (de) |
DE (1) | DE102005014264A1 (de) |
PL (1) | PL1861608T3 (de) |
RU (1) | RU2410561C2 (de) |
WO (1) | WO2006100090A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2925608A3 (fr) * | 2007-12-19 | 2009-06-26 | Renault Sas | Dispositif de recirculation des gaz d'echappement comportant un refroidisseur |
JP4966290B2 (ja) * | 2008-12-17 | 2012-07-04 | 本田技研工業株式会社 | 内燃機関の排気ガス還流装置 |
CN102784524B (zh) * | 2011-05-20 | 2014-12-10 | 雅高思先进科技有限公司 | 高效能空气净化装置及方法 |
JP5863320B2 (ja) | 2011-08-05 | 2016-02-16 | 三菱重工コンプレッサ株式会社 | 遠心圧縮機 |
DE102013000766A1 (de) | 2013-01-18 | 2014-07-24 | Man Diesel & Turbo Se | Kühler |
CN106444234A (zh) * | 2016-09-21 | 2017-02-22 | 苏州佳世达光电有限公司 | 投影装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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DE8905415U1 (de) | 1989-04-28 | 1990-08-30 | Emitec Gesellschaft für Emissionstechnologie mbH, 5204 Lohmar | In einer Trennwand befestigter metallischer Katalysator-Trägerkörper |
DE29513957U1 (de) * | 1995-08-31 | 1997-01-09 | Robert Bosch Gmbh, 70469 Stuttgart | Abgasleitungsanordnung einer Brennkraftmaschine, insbesondere für ein Blockheizkraftwerk |
US5785030A (en) * | 1996-12-17 | 1998-07-28 | Dry Systems Technologies | Exhaust gas recirculation in internal combustion engines |
JPH10238414A (ja) * | 1997-02-28 | 1998-09-08 | Isuzu Motors Ltd | Egrの制御装置 |
DE19755703B4 (de) | 1997-12-15 | 2008-03-13 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Katalysatorträgeranordnung für einen motornahen Einbau |
WO1999011911A1 (de) | 1997-09-03 | 1999-03-11 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Katalysatorträgeranordnung für einen motornahen einbau |
JP2000146465A (ja) | 1998-09-03 | 2000-05-26 | Usui Internatl Ind Co Ltd | 排気ガス再循環燃焼システムにおける異物付着防止方法 |
JP2000130269A (ja) * | 1998-10-23 | 2000-05-09 | Hino Motors Ltd | 排ガス再循環装置付エンジンの触媒内蔵マフラ |
JP3937635B2 (ja) * | 1999-03-01 | 2007-06-27 | いすゞ自動車株式会社 | 排気ガス浄化機能付きegrクーラー |
DE19923781C2 (de) * | 1999-05-22 | 2001-04-26 | Degussa | Verfahren und Vorrichtung zur Entfernung von Ruß aus dem Abgas eines Dieselmotors |
JP2001027157A (ja) * | 1999-07-13 | 2001-01-30 | Mitsubishi Motors Corp | Egrクーラの構造 |
SE520972C2 (sv) * | 2001-12-06 | 2003-09-16 | Stt Emtec Ab | Anordning för att vid en förbränningsmotor rena dess avgaser |
JP2003336549A (ja) * | 2002-05-20 | 2003-11-28 | Denso Corp | 内燃機関のegr装置 |
US6851414B2 (en) * | 2002-07-30 | 2005-02-08 | Exxonmobil Research And Engineering Company | Method and system to extend lubricant life in internal combustion EGR systems |
DE102004042454A1 (de) * | 2003-09-18 | 2005-04-14 | Behr Gmbh & Co. Kg | Abgaswärmeübertrager, insbesondere Abgaskühler für Abgasrückführung in Kraftfahrzeugen |
US7013879B2 (en) * | 2003-11-17 | 2006-03-21 | Honeywell International, Inc. | Dual and hybrid EGR systems for use with turbocharged engine |
US7195006B2 (en) * | 2004-11-29 | 2007-03-27 | Southwest Research Institute | Exhaust gas recirculation system with control of EGR gas temperature |
US20060266019A1 (en) * | 2005-05-26 | 2006-11-30 | Ricart-Ugaz Laura M | Low-pressure EGR system and method |
-
2005
- 2005-03-24 DE DE102005014264A patent/DE102005014264A1/de not_active Withdrawn
-
2006
- 2006-03-24 RU RU2007139107/06A patent/RU2410561C2/ru not_active IP Right Cessation
- 2006-03-24 CN CN2006800096065A patent/CN101146989B/zh active Active
- 2006-03-24 JP JP2008502335A patent/JP2008534835A/ja active Pending
- 2006-03-24 EP EP06723685.1A patent/EP1861608B1/de active Active
- 2006-03-24 KR KR1020077022310A patent/KR100901548B1/ko active IP Right Grant
- 2006-03-24 PL PL06723685T patent/PL1861608T3/pl unknown
- 2006-03-24 WO PCT/EP2006/002702 patent/WO2006100090A1/de active Application Filing
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2007
- 2007-09-24 US US11/859,942 patent/US7490595B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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See references of WO2006100090A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20080028747A1 (en) | 2008-02-07 |
PL1861608T3 (pl) | 2014-07-31 |
JP2008534835A (ja) | 2008-08-28 |
KR100901548B1 (ko) | 2009-06-08 |
CN101146989A (zh) | 2008-03-19 |
RU2007139107A (ru) | 2009-05-20 |
US7490595B2 (en) | 2009-02-17 |
CN101146989B (zh) | 2010-09-29 |
DE102005014264A1 (de) | 2006-09-28 |
KR20070120116A (ko) | 2007-12-21 |
EP1861608B1 (de) | 2013-05-15 |
RU2410561C2 (ru) | 2011-01-27 |
WO2006100090A1 (de) | 2006-09-28 |
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