EP1533489A2 - Système de traitement des gaz d'échappement d'un moteur, en particulier moteur diesel, et procédé de fonctionnement d'un système de traitement des gaz d'échappement d'un moteur - Google Patents

Système de traitement des gaz d'échappement d'un moteur, en particulier moteur diesel, et procédé de fonctionnement d'un système de traitement des gaz d'échappement d'un moteur Download PDF

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Publication number
EP1533489A2
EP1533489A2 EP04023077A EP04023077A EP1533489A2 EP 1533489 A2 EP1533489 A2 EP 1533489A2 EP 04023077 A EP04023077 A EP 04023077A EP 04023077 A EP04023077 A EP 04023077A EP 1533489 A2 EP1533489 A2 EP 1533489A2
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
arrangement
treatment system
exhaust
evaporator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04023077A
Other languages
German (de)
English (en)
Other versions
EP1533489A3 (fr
EP1533489B1 (fr
Inventor
Walter Blaschke
Günter Eberspach
Gerd Gaiser
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.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher GmbH and Co KG
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 J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP1533489A2 publication Critical patent/EP1533489A2/fr
Publication of EP1533489A3 publication Critical patent/EP1533489A3/fr
Application granted granted Critical
Publication of EP1533489B1 publication Critical patent/EP1533489B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N3/02—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
    • F01N3/033—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 in combination with other devices
    • F01N3/035—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 in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate 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
    • F01N3/02—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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/025—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to 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
    • F01N3/02—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
    • F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/027—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 using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus

Definitions

  • the present invention relates to an exhaust gas treatment system for a Internal combustion engine, in particular a diesel internal combustion engine, comprising a catalyst arrangement.
  • a temperature is required, which, depending on the catalyst type and Catalyst material, in the range of at least 200 - 250 ° C. Does that fall? Temperature of the catalyst below a lying in this area so-called “Light-off temperature", so can one to the required pollutant reduction appropriate catalytic reaction can no longer be maintained or not started.
  • Such a drop in temperature in the area of the catalyst can occur, for example, when the one Internal combustion engine leaving exhaust gases insufficient temperature transport to ensure adequate heating of the catalyst to be able to. This may be the case, for example, during idling, in which the temperature of the engine leaving Exhaust gases in the range of about 150 ° C is located.
  • Especially critical regarding a suitable catalytic reaction are therefore the starting phase of a Internal combustion engine or phases during the journey, in which with low load is driven, so for example for longer-lasting Downhill or slow down on highways or the like ..
  • At least one evaporator / burner assembly can be taken to ensure that when the temperature of the Internal combustion engine in the direction of the catalyst arrangement flowing exhaust gases is not sufficient to start the autothermal catalytic reaction there or to sustain, an additional combustion is started by which on the one hand combustion exhaust gases are generated, which is a very high Have temperature and on the other hand, from the internal combustion engine oncoming exhaust gases can be heated, so that through corresponding heat transfer then the temperature of the catalyst arrangement or the catalyst material thereof over the so-called Light-off temperature can be raised or above this Temperature can be maintained.
  • the heater may be an electrically operable Heating means may, for example, a Schuetzlhunt, a heating coil or the like. include.
  • the evaporator medium at least in a bottom region of the Substantially cup-shaped housing arrangement is provided and that the heater in the bottom area of the housing assembly is provided.
  • the invention in operation as an additional heat source for the catalyst arrangement requires the invention to be provided evaporator / burner assembly Oxygen to burn the hydrocarbon vapor generated therein to be able to.
  • the invention of the in-coming from the internal combustion engine Exhaust gases transported residual oxygen can be used, so no additional Combustion air blower or the like. must be provided.
  • a peripheral wall the housing assembly protrudes into the exhaust gas flow path and a Has exhaust passage opening arrangement.
  • a first temperature sensor arrangement is provided for detection a temperature of the exhaust gas leaving an internal combustion engine in the Exhaust gas flow path upstream of the catalyst arrangement.
  • the first temperature sensor arrangement upstream of the at least an evaporator / burner arrangement is provided.
  • a particle filter arrangement may be provided.
  • Heating the exhaust gases emitted by the internal combustion engine particularly important because thus even if the exhaust gas temperature to maintain or starting the autothermal catalytic reaction in the catalyst arrangement is insufficient and insofar also in the catalyst arrangement not the high required for the regeneration of the particulate filter Temperatures can be provided by operating the evaporator / burner assembly for a suitable catalysis and as a result Also, a suitable particle filter regeneration can be provided.
  • a second temperature sensor arrangement for Detection of the exhaust gas temperature in the flow path region between the catalyst arrangement and the particulate filter assembly is provided.
  • This second temperature sensor arrangement can be used to Decision about operating the evaporator / burner arrangement as Burner or to meet as an evaporator. Is namely recognized that the Temperature of the incoming to the particulate filter assembly exhaust gases not is sufficiently high to perform the particulate filter regeneration is this is an indication that also in the catalyst arrangement the catalytic reaction does not or does not proceed in a suitable manner.
  • Raising the temperature of the incoming from the internal combustion engine Exhaust gases can thus be ensured again that the two addressed cleaning processes in the catalyst arrangement or Particle filter arrangement can proceed in an optimal manner.
  • the beginning said object solved by a method for operating a exhaust gas treatment system according to the invention, in which method then, if it is determined that an exhaust gas temperature of one Internal combustion engine leaving exhaust gases under a predetermined Threshold is, in particular, not sufficiently high to in the catalyst assembly to start a suitable catalytic reaction or / and to maintain the at least one evaporator / burner assembly at least in phases for the combustion of at least part of it produced hydrocarbon vapor is operated.
  • the exhaust gas temperature of the internal combustion engine leaving exhaust gases is above a predetermined threshold, in particular is sufficiently high to be suitable in the catalyst arrangement catalytic reaction to start or / and maintain that at least an evaporator / burner assembly at least in phases to Generating hydrocarbon vapor to be admixed with the exhaust gases of the internal combustion engine is operated.
  • the exhaust gas treatment system 10 comprises a a piping arrangement, generally designated 12 Exhaust gas flow path 14, which indicated by flow arrows A.
  • Exhaust gases ejected from an internal combustion engine are, from the internal combustion engine to a likewise not shown Dispensing opening leads where these exhaust gases then expelled to the outside become.
  • the exhaust gases A via a generally designated 16 Catalyst arrangement passed to a particulate filter assembly 18.
  • Catalyst arrangement passed to a particulate filter assembly 18.
  • the catalyst arrangement 16 is basically an exothermic catalytic reaction from which nitrogen oxides and carbon monoxide and the exhaust gases A charged hydrocarbon essentially converted to carbon dioxide become.
  • soot particles flow together with the catalyst assembly 16 leaving exhaust gases in Direction to the particle filter assembly 18 and are filtered out there mechanically.
  • the surroundings are then essentially of soot particles liberated exhaust gases containing carbon dioxide as a major constituent ejected.
  • the exothermic catalytic reaction does not abate, so it is also not possible the particulate filter assembly 18 from the soot particles accumulated therein clean.
  • This condition can occur when the exhaust gases A a have such low temperature that the catalyst assembly 16 is not brought to the required temperature in the range of 200 - 250 ° C. can be.
  • an internal combustion engine such as an engine. a diesel internal combustion engine is turning in the idle state is in Generally reached an exhaust gas temperature of 150 ° C.
  • the no-load Driving condition or when driving with low load it may happen that the exhaust gas temperature does not reach the range of 200 ° C. this has As a result, the catalytic reaction in the catalyst assembly 16 does not start or can come to a standstill or a suitable catalysis can no longer take place with the consequences described above.
  • This evaporator / burner arrangement 20 includes a housing assembly 21 in which an evaporation / combustion chamber 22 is formed.
  • the housing assembly 21 is in Essentially pot-shaped and includes in the example shown a essentially a peripheral wall providing housing part 24th and a substantially a bottom portion 26 providing and the Housing part 24 partially overlapping housing part 28.
  • the housing has a Evaporation / combustion chamber 22 to the exhaust gas flow path 14 towards opening Opening 30.
  • this product 30 resulting in the evaporation / combustion chamber 22 products enter the exhaust gas flow path 14.
  • passages 32 provided through which on the one hand the mentioned products from the evaporation / combustion chamber 22 can escape, on the other hand, but also from the internal combustion engine discharged exhaust gases A enter this evaporation / combustion chamber 22 can.
  • the bottom portion 26 of the housing assembly 21 is toward the vaporization / combustion chamber 22 out of an evaporator medium 34 in Essentially completely covered.
  • This evaporator medium 34 is made porous, ie liquid fuel or liquid hydrocarbon under Capillary action promoting material constructed. Here come for example Nonwoven material, braid, fabric, foam ceramic or the like. in question.
  • a heater 38th intended at the of the evaporation / combustion chamber 22 side facing away from this evaporator medium 34. This includes in the illustrated case, for example, a heating coil, under the control of a drive device, not shown is and their excitation heating of the evaporator medium 34th entails.
  • a fuel line 40th a about which liquid fuel, so liquid hydrocarbon, such as e.g. Diesel fuel or gasoline, fed into the evaporator medium 34 can be.
  • liquid fuel so liquid hydrocarbon, such as e.g. Diesel fuel or gasoline
  • the feeding of such liquid fuel in the Evaporator medium 34 has the consequence that this liquid fuel 34th by the Kapillarn Qurex comparatively evenly over the distribute entire evaporator medium 34 and in particular to the evaporation / combustion chamber 24 side facing same promoted becomes.
  • an ignition element 42nd intended. This can be at a small distance to the evaporator medium 34 extend into the evaporation / combustion chamber 22.
  • the ignition element 42 may be electrically energized, so that when, for example, more excited Heating device 38 and energized ignition element 42 then on the one hand the required Amount of fuel vapor and on the other hand in a localized Range the temperatures required to start a combustion can be provided.
  • a so-called flame detector 44 for example in shape a temperature sensor, be provided.
  • the temperature sensor 46 is upstream of Evaporator / burner assembly 20 arranged to the temperature of there to measure incoming exhaust gases A.
  • the temperature sensor 48 is upstream the particulate filter assembly 18 arranged to the temperature of the to detect the exhaust gas flowing to the particulate filter assembly 18. Also provide these temperature sensors 46, 48, as well as the flame guard 44th their sensor signals to the drive device, not shown.
  • the in the figure illustrated evaporator / burner assembly 20 in this phase of operation so is activated to produce hydrocarbon vapor K and this hydrocarbon vapor K substantially through the opening 30 in the exhaust gas flow path 14 delivers.
  • the hydrocarbon vapor K will react with the Mix exhaust gases A and with them on the catalyst material of the catalyst arrangement 16 react.
  • the required amount of hydrocarbon vapor K which can essentially be adjusted by the operation of the metering pump not described or by means of excitation the heater 38 adjustable rate of evaporation, can be determined be from the operating condition of the engine, so for example the load condition and / or the speed. This operating state is essentially also the composition of the exhaust gases emitted and thus determine the required amount of hydrocarbon vapor.
  • the Evaporator / burner assembly 20 now operated as a burner.
  • the load detection is carried out that this example by detecting the pressure before and after the particulate filter 18 can, with a large pressure difference on a correspondingly large load of the particulate filter 18 may indicate. It goes without saying that Here other indicators can be used to make the decision to make a necessary regeneration.
  • first liquid hydrocarbon is again or fuel fed into the evaporator medium 34 and at the same time the heater 26 is operated to a sufficient Ensuring fuel evaporation.
  • the ignition element 42 is energized, so that locally in a range high Fuel vapor concentration also high and igniting accordingly to be generated after pulling temperatures.
  • the one for the burning required oxygen transport the exhaust gases A in the form of at Combustion in the internal combustion engine unused residual oxygen, the together with the exhaust gases A through the openings 32 and possibly also the Opening 30 will enter the evaporation / combustion chamber 22 and there will mix with the fuel vapor.
  • the sensor signal of the flame guard 44 can the excitation of the ignition element 42 can be adjusted.
  • the arousal of the Heating device 26 can be adjusted, as by the in the evaporation / combustion chamber 22 running combustion sufficiently high temperatures be generated to provide sufficient evaporation of the first still liquid hydrocarbon from the evaporator medium 34 upright to obtain.
  • the combustion gases V of the evaporator / burner assembly 20 substantially through the Opening 30 in the exhaust gas flow path 14 and mix there with the exhaust gases emitted by the internal combustion engine. This in turn has As a result, that in the direction of the catalyst assembly 16 then flowing Exhaust gases will have a higher temperature than in the further upstream lying region of the exhaust gas flow path 14.
  • the Evaporator / burner assembly 20 operated in this phase of operation be that it produces more fuel or hydrocarbon vapor than for combustion with the residual oxygen flowing through it, which flows into the Exhaust A is transported, required, so that through the opening 30th not only combustion gases V, but at the same time not burnt hydrocarbon vapor K will emerge.
  • the one shown in the figure and preceding described system may be constructed differently in different aspects can, as shown and described or operated in any other way can be. So it is of course possible, instead of the one single evaporator / burner assembly 20 more of them in the flow direction the exhaust gases A consecutively and / or at the same positioning however, to be distributed in the circumferential direction. Also, the assessment, whether the operation of this arrangement or arrangements 20 as a hydrocarbon steam generator or as a burner or not at all necessary, based on other input variables. So, for example instead of the signal of the temperature sensor 46 and the one the temperature sensor 48 are evaluated to detect when a Exhaust gas temperature is no longer sufficient to achieve the desired catalytic reaction or to achieve a cleaning reaction.
  • the Information about what temperature the exhaust gases A have not sensory to detect, but to determine, for example, by map readouts, in which range this temperature is.
  • a map can be defined, the exhaust gas temperature as the output variable and for example, the engine speed and the engine load or other for this has relevant variables as input variables.
  • the assembly 20 as a hydrocarbon steam generator by map reading the residual oxygen content in the To determine exhaust gases A and then determine on this basis how large to be admixed by evaporation of the exhaust gases A hydrocarbon vapor should be in order to achieve the desired catalytic reaction in the catalyst assembly 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Incineration Of Waste (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
EP04023077A 2003-11-20 2004-09-28 Système de traitement des gaz d'échappement d'un moteur à combustion interne, et procédé de fonctionnement d'un système de traitement des gaz d'échappement correspondant Expired - Fee Related EP1533489B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10354232 2003-11-20
DE10354232A DE10354232A1 (de) 2003-11-20 2003-11-20 Abgasbehandlungssystem für eine Brennkraftmaschine, insbesondere Diesel-Brennkraftmaschine, und Verfahren zum Betreiben eines Abgasbehandlungssystems für eine Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP1533489A2 true EP1533489A2 (fr) 2005-05-25
EP1533489A3 EP1533489A3 (fr) 2006-05-17
EP1533489B1 EP1533489B1 (fr) 2008-05-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04023077A Expired - Fee Related EP1533489B1 (fr) 2003-11-20 2004-09-28 Système de traitement des gaz d'échappement d'un moteur à combustion interne, et procédé de fonctionnement d'un système de traitement des gaz d'échappement correspondant

Country Status (4)

Country Link
US (1) US7150146B2 (fr)
EP (1) EP1533489B1 (fr)
JP (1) JP2005155617A (fr)
DE (2) DE10354232A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007079832A1 (fr) 2005-12-29 2007-07-19 Emcon Technologies Germany (Augsburg) Gmbh Installation de gaz d'echappement de vehicule a moteur et procede pour regenerer un filtre a particules dans une installation de gaz d'echappement de vehicule a moteur
WO2008003519A1 (fr) * 2006-07-07 2008-01-10 Emcon Technologies Germany (Augsburg) Gmbh Ensemble comprenant une unité d'évaporation
FR2921438A1 (fr) * 2007-09-25 2009-03-27 Renault Sas Dispositif de vaporisation de carburant
WO2020193595A1 (fr) * 2019-03-27 2020-10-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositif de nettoyage de gaz d'échappement, machine à combustion interne en étant équipée et procédé de nettoyage de gaz d'échappement

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DE102005044780A1 (de) * 2005-09-20 2007-03-29 Arvinmeritor Emissions Technologies Gmbh Einspritzdüse mit Heizelement sowie Verfahren zum Einbringen eines oxidierbaren Fluids in eine Abgasanlage stromaufwärts eines Katalysators oder Filters
FR2920836B1 (fr) * 2007-09-07 2014-04-25 Faurecia Sys Echappement Dispositif de vaporisation d'un carburant.
US20090178391A1 (en) * 2008-01-15 2009-07-16 Parrish Tony R Method and apparatus for operating an emission abatement assembly
JP5081848B2 (ja) * 2008-05-15 2012-11-28 株式会社クボタ ディーゼルエンジンの排気装置
US8375705B2 (en) * 2008-05-30 2013-02-19 Caterpillar Inc. Exhaust system implementing low-temperature regeneration strategy
DE102008062479A1 (de) * 2008-12-16 2010-06-17 Emcon Technologies Germany (Augsburg) Gmbh Abgasanlage einer Verbrennungskraftmaschine
DE102008063990A1 (de) * 2008-12-19 2010-06-24 J. Eberspächer GmbH & Co. KG Fahrzeugbrenner
US20120102951A1 (en) * 2010-10-29 2012-05-03 Gilbert Otto Kraemer Apparatus for reducing emissions and method of assembly
JP5510480B2 (ja) * 2012-03-06 2014-06-04 トヨタ自動車株式会社 内燃機関の排気浄化装置
KR101672900B1 (ko) * 2015-06-15 2016-11-04 한국기계연구원 암모니아 전환 장치 및 이를 이용한 요소수 에스씨알 시스템

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EP1354852A2 (fr) * 2002-04-19 2003-10-22 J. Eberspächer GmbH & Co. KG Dispositif d'évaporation pour la production d'hydrogène d'un mélange dégradable d'hydrocarbone/air dans un réformeur et la procédé pour la faire foncionner un tel évaporateur

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Publication number Priority date Publication date Assignee Title
US4459805A (en) * 1980-10-03 1984-07-17 Nippon Soken, Inc. Combustion burner apparatus
US5379592A (en) * 1991-10-23 1995-01-10 Waschkuttis; Gerhard Catalytic converter with ignition burner
DE19504208A1 (de) * 1994-02-11 1995-08-17 Volkswagen Ag Abgaskonverter mit einem Katalysator und einem diesem vorgeschalteten Brenner
EP1354852A2 (fr) * 2002-04-19 2003-10-22 J. Eberspächer GmbH & Co. KG Dispositif d'évaporation pour la production d'hydrogène d'un mélange dégradable d'hydrocarbone/air dans un réformeur et la procédé pour la faire foncionner un tel évaporateur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007079832A1 (fr) 2005-12-29 2007-07-19 Emcon Technologies Germany (Augsburg) Gmbh Installation de gaz d'echappement de vehicule a moteur et procede pour regenerer un filtre a particules dans une installation de gaz d'echappement de vehicule a moteur
WO2008003519A1 (fr) * 2006-07-07 2008-01-10 Emcon Technologies Germany (Augsburg) Gmbh Ensemble comprenant une unité d'évaporation
FR2921438A1 (fr) * 2007-09-25 2009-03-27 Renault Sas Dispositif de vaporisation de carburant
WO2020193595A1 (fr) * 2019-03-27 2020-10-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositif de nettoyage de gaz d'échappement, machine à combustion interne en étant équipée et procédé de nettoyage de gaz d'échappement

Also Published As

Publication number Publication date
US20050109019A1 (en) 2005-05-26
DE10354232A1 (de) 2005-06-30
US7150146B2 (en) 2006-12-19
EP1533489A3 (fr) 2006-05-17
JP2005155617A (ja) 2005-06-16
EP1533489B1 (fr) 2008-05-28
DE502004007271D1 (de) 2008-07-10

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