WO2003016687A1 - Systeme de dosage d'un agent de reduction destine au post-traitement de gaz d'echappement - Google Patents

Systeme de dosage d'un agent de reduction destine au post-traitement de gaz d'echappement Download PDF

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Publication number
WO2003016687A1
WO2003016687A1 PCT/DE2002/002733 DE0202733W WO03016687A1 WO 2003016687 A1 WO2003016687 A1 WO 2003016687A1 DE 0202733 W DE0202733 W DE 0202733W WO 03016687 A1 WO03016687 A1 WO 03016687A1
Authority
WO
WIPO (PCT)
Prior art keywords
reducing agent
metering
exhaust gas
conveying
conveying device
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.)
Ceased
Application number
PCT/DE2002/002733
Other languages
German (de)
English (en)
Inventor
Bernd Mahr
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2003016687A1 publication Critical patent/WO2003016687A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F01N3/08—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
    • F01N3/36—Arrangements for supply of additional fuel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • 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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • 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
    • F01N2240/16—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 an electric heater, i.e. a resistance heater
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
    • 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
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • 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
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
    • 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
    • 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
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • 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
    • F01N2610/1426—Filtration 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
    • F01N2610/1433—Pumps
    • 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
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention is based on a device for metering a reducing agent or a conveying device for conveying a reducing agent according to the type of the independent claims.
  • a device or such a conveying device is already known from DE 199 47 197, which have a metering agent pump or a metering valve.
  • the device or conveyor device according to the invention is for Various aids can be used in the context of exhaust gas aftertreatment, for example for a urea-water solution used as a reducing agent for the purpose of selective catalytic reduction or for metering in fuel for storage catalytic converters.
  • the system according to the invention has a compact structure, and large distances between the metering pump and metering device are possible via a variable connecting line. In the case of air-assisted dosing of an aid for exhaust gas aftertreatment, the drastically reduced line length between the mixing chamber and the spray tube results in better dynamic and follow-up behavior of the dosing system.
  • the modular structure of the system leads to high quantities and thus low manufacturing costs for the conveyor, which can be used for both air-assisted and dosing processes without air support.
  • the separation between the pump and metering module large differences in height between the reducing agent tank and the metering point on the exhaust system can also be realized.
  • FIG. 1 shows a conveying device
  • FIG. 2 shows a metering device
  • FIG. 3 shows a metering device with air support. Description of the embodiments
  • FIG. 1 shows a conveyor device 10 for sucking out a urea-water solution 13 used as a reducing agent for reducing nitrogen oxides from the exhaust gases of an internal combustion engine from a storage container or tank 12.
  • the conveyor device has a base body 11 consisting of metal and / or plastic , which is fastened to the storage container 12 via vibration-decoupling 16, if necessary.
  • a pump 14 which can be driven by an electric pump motor 15 is arranged on the base body and a filter 18 is screwed on, which are connected to one another via a reducing agent line 28 designed as a bore in the base body.
  • the reducing agent line is connected to the tank 12, at its other end it has a connection 29 for fastening a connecting line, via which the reducing agent delivery module can be connected to a metering device or a reducing agent metering module.
  • a valve 26 is connected in parallel with the filter 18.
  • a pressure sensor 24 is arranged on the reducing agent line 28, which is connected via an electrical line (not shown in more detail) to a control unit 20 fastened to the base body.
  • the control device is surrounded together with the pump 14 by a cover or housing 22, a recess being provided in the housing for making electrical connections 21 of the control device.
  • the electrical connections lead to the power supply (not shown) or to a metering pump and / or sensor systems of a metering device described in more detail below.
  • the conveyor device also referred to below as the reducing agent conveyor module, is close to the
  • Quantity of reducing agent via an electrical control of the pump motor 15.
  • the control unit controls the function of a metering valve integrated in a metering device described in more detail below.
  • the valve 26 of the reducing agent delivery module serves to bypass the filter 18 and opens when the vacuum on the suction side of the pump.
  • the reducing agent delivery module can also be installed inside the tank.
  • the control unit can optionally also be attached to the cover instead of the base body.
  • the cover can also be used for fastening described or further valves and / or sensors.
  • an electrically operated heater and a temperature sensor for example integrated in the base body, can be provided, in particular in order to keep the reducing agent line in the base body always at sufficiently high temperatures to prevent the reducing agent from freezing.
  • the heating can also be accomplished by engine cooler of the motor vehicle engine, which flows through channels to be provided in the base plate for this purpose.
  • the filter 18 can also optionally be designed to be electrically heated.
  • the quantity control of the reducing agent to be conveyed can, instead of using a metering pump, as described above, optionally also take place via a simple pump in combination with a pressure control valve, which connects the reducing agent line 28 to the tank via a line, not shown, provided the pressure sensor 24 too high a pressure registered.
  • a pressure control valve which connects the reducing agent line 28 to the tank via a line, not shown, provided the pressure sensor 24 too high a pressure registered.
  • an overpressure valve can also suffice for this.
  • the control unit can additionally optionally control an optional heating device for the connecting line and / or a metering device.
  • FIG. 2 shows a unit, referred to as Zumessmodul, arranged on an exhaust pipe 30 'metering device 32, wherein electrical lines are not shown in detail, for example, for controlling the metering valve and possibly also for controlling the cooling means described below.
  • the metering valve 34 of the metering module has a connection 41 to which the connecting line 38 which can be connected to the reducing agent delivery module can be connected.
  • a cooling device 39 surrounds the metering valve 34, through which the reducing agent can flow and which can be connected via a connection 42 to a return line 62 which can be connected to the reducing agent tank.
  • Dosing valve and cooling device are housed in a housing 40 which can be mounted directly on the exhaust pipe; said connections 40 and 41 are arranged on the outside of the housing.
  • the reducing agent sucked out of the tank by the reducing agent delivery module reaches the metering module 32 via the connecting line 38 and can be metered into the exhaust gas flow here via the metering valve 34.
  • the cooling device branches off part of the reducing agent flowing in via the connecting line for cooling the metering valve, and the return line 62 leads the reducing agent used exclusively for cooling back to the reducing agent tank 12.
  • the cooling device can also be supplied with separate coolant;
  • the line 62 shown in FIG. 2 does not represent a reductant return line, but rather a double line for supplying or removing coolant, for example the cooling water of the motor vehicle.
  • connectors can be connected to connect exhaust gas sensors for nitrogen oxides, ammonia and / or hydrocarbon and / or from exhaust gas temperature sensors, which link the sensors to the control unit via further electrical lines, for example, running parallel to the connecting line 38.
  • the connecting line can be equipped with an electrical heater in order to reliably prevent the reducing agent from freezing.
  • FIG. 3 illustrates an alternative metering device 52 which is likewise attached to or near the exhaust gas tract, in the housing 53 of which a metering valve 54 is arranged, the outlet opening of which projects into a mixing chamber 60.
  • the metering valve can be connected to the connecting line 38 via the connection 41.
  • a vent valve 58 is attached between the connection 41 and the metering valve 5 and is connected via the connection 42 to the return line 62 which, as in the arrangement shown in FIG. 2, leads back to the reducing agent tank.
  • a spray tube 56 is arranged, which connects the mixing chamber to the exhaust pipe 30.
  • the reducing agent is first injected into the miso chamber 60 in order to mix it with separately supplied compressed air and to produce an aerosol, which is then sprayed into the exhaust tract in front of one Denitrification catalyst for the reduction of nitrogen oxides is introduced.
  • the compressed air supply can also be used to blow off the mixing chamber and the spray tube from residues of reducing agent in order to avoid, for example, crystallization of urea.
  • a coolant circuit can also be provided similar to an arrangement according to FIG. 2, wherein either the reducing agent itself or, for example, the cooling water of the motor vehicle can be used as the coolant.
  • a shut-off valve can also be provided in the air path, for example, between the pressure sensor 68 and the mixing chamber.
  • the vent valve 58 can alternatively be replaced by a throttle.
  • an example electrically operable heating to heat the 'Zumessmoduls can be provided.
  • plug connectors can be used for connecting exhaust gas sensors for nitrogen oxides, ammonia and / or hydrocarbons and / or
  • Exhaust gas temperature sensors may be attached to the connecting line 38 run electrical lines parallel link via further example, 'the sensors to the control unit.
  • data lines in particular also the sensor lines, can be designed as optical lines if correspondingly suitable sensor components or other mechatronic and / or optoelectronic components are used instead of the electrically controllable or regulatable components described above.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un dispositif de dosage d'un agent de réduction, notamment d'urée ou d'une solution urée-eau, destiné à la réduction des oxydes d'azote contenus dans les gaz d'échappement d'un moteur à combustion interne ainsi qu'un dispositif de transport (10) destiné au transport d'un agent de réduction. Le dispositif de transport (10) est fixé sur ou dans le réservoir (12) et le dispositif de transport (10) constitue un module séparé d'un dispositif de dosage (32;52) contenant une soupape de réglage qui est reliée au dispositif de transport (10) par une conduite d'agent de réduction (38).
PCT/DE2002/002733 2001-08-09 2002-07-25 Systeme de dosage d'un agent de reduction destine au post-traitement de gaz d'echappement Ceased WO2003016687A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10139139A DE10139139A1 (de) 2001-08-09 2001-08-09 Dosiersystem zur Dosierung eines Reduktionsmittels für eine Abgasnachbehandlung
DE10139139.0 2001-08-09

Publications (1)

Publication Number Publication Date
WO2003016687A1 true WO2003016687A1 (fr) 2003-02-27

Family

ID=7694910

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/002733 Ceased WO2003016687A1 (fr) 2001-08-09 2002-07-25 Systeme de dosage d'un agent de reduction destine au post-traitement de gaz d'echappement

Country Status (2)

Country Link
DE (1) DE10139139A1 (fr)
WO (1) WO2003016687A1 (fr)

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005024196A1 (fr) * 2003-09-02 2005-03-17 Hydraulik-Ring Gmbh Dispositif de traitement postérieur de gaz d'échappement pour des moteurs diesel de véhicules à moteur, en particulier d'automobiles
WO2005028827A1 (fr) 2003-09-19 2005-03-31 Nissan Diesel Motor Co., Ltd. Appareil de clarification de gaz d'echappement pour moteur
WO2005045209A1 (fr) * 2003-11-04 2005-05-19 Robert Bosch Gmbh Dispositif d'introduction d'un agent reducteur dans les gaz d'echappement d'un moteur a combustion interne
WO2006045672A1 (fr) * 2004-10-23 2006-05-04 Robert Bosch Gmbh Module reservoir d'un agent de reduction et systeme de dosage
WO2007036272A1 (fr) * 2005-09-27 2007-04-05 Daimler Ag Dispositif de dosage de carburant d'un systeme d'echappement d'un moteur a combustion interne
WO2007031467A3 (fr) * 2005-09-12 2007-07-26 Bosch Gmbh Robert Reservoir de vehicule pour un agent de reduction liquide, notamment une solution d'uree
WO2007118772A1 (fr) 2006-04-13 2007-10-25 Contitech Techno-Chemie Gmbh Système de conduites flexibles chauffable d'installations de retraitement des gaz d'échappement de moteurs à combustion interne
EP1925354A1 (fr) * 2006-10-27 2008-05-28 Robert Bosch Gmbh Dispositif de réduction catalytique
US7594393B2 (en) 2004-09-07 2009-09-29 Robert Bosch Gmbh Apparatus for introducing a reducing agent into the exhaust of an internal combustion engine
US7594516B2 (en) 2004-05-18 2009-09-29 Hydraulik-Ring Gmbh Freeze-resistant metering valve
EP1806487A4 (fr) * 2004-10-29 2010-06-30 Nissan Diesel Motor Co Purificateur de gaz d'échappement pour moteur
EP2216524A1 (fr) * 2009-02-10 2010-08-11 Delphi Technologies, Inc. Filtre d'urée chauffée pour moteur diesel
WO2011029780A1 (fr) * 2009-09-11 2011-03-17 Emitec Gesellschaft Für Emissionstechnologie Mbh Dispositif d'acheminement pour un agent de réduction
EP2013051A4 (fr) * 2006-04-27 2011-03-23 Volvo Lastvagnar Ab Receptacle de liquide pour vehicule
CN102251832A (zh) * 2011-06-10 2011-11-23 苏州派格力减排系统有限公司 Scr系统中的液体加热式计量喷射泵
CN102272422A (zh) * 2009-01-09 2011-12-07 罗伯特·博世有限公司 容器装置
CN102667084A (zh) * 2009-11-23 2012-09-12 罗伯特·博世有限公司 存储还原剂的罐的部件的模块设计
WO2012126548A1 (fr) * 2011-03-21 2012-09-27 Albonair Gmbh Système de retraitement des gaz d'échappement
EP2582937A1 (fr) * 2010-06-16 2013-04-24 Emitec Gesellschaft für Emissionstechnologie mbH Dispositif pour refouler un agent de réduction liquide
EP2673481A1 (fr) * 2011-02-09 2013-12-18 Emitec Gesellschaft für Emissionstechnologie mbH Unité de transport pour transporter un agent réducteur
RU2524158C2 (ru) * 2010-01-14 2014-07-27 Сканиа Св Аб Устройство и способ для подогрева восстановителя в системе scr для транспортного средства
US8857160B2 (en) 2009-01-09 2014-10-14 Robert Bosch Gmbh Reservoir for accommodating an aqueous solution
US8875491B2 (en) 2007-01-25 2014-11-04 Cummins Ltd. Exhaust gas aftertreatment system and method
US8875502B2 (en) 2010-12-14 2014-11-04 Cummins Ltd. SCR exhaust gas aftertreatment device
US8938949B2 (en) 2009-08-03 2015-01-27 Cummins Ltd. SCR exhaust gas aftertreatment device
US8959895B2 (en) 2008-03-05 2015-02-24 Cummins Ltd. Exhaust-gas aftertreatment device
SE541093C2 (en) * 2017-07-24 2019-04-02 Scania Cv Ab Dosing system for reduction agent
EP2552723B1 (fr) * 2010-03-26 2019-10-16 Robert Bosch GmbH Système pour èviter le noyage d'un système de pompage ou dosage

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526072C2 (sv) † 2003-12-04 2005-06-28 Volvo Lastvagnar Ab Anordning för uppvärmning
DE202007019641U1 (de) 2006-06-08 2014-10-17 Inergy Automotive Systems Research (Société A.) System zur Lagerung von Motorgasadditiven
DE102008044167B4 (de) 2008-11-28 2023-06-29 Robert Bosch Gmbh Entlüftungsmembrane
DE102008054629B4 (de) 2008-12-15 2023-05-04 Robert Bosch Gmbh Eisdruckfester Tank
DE102009000107A1 (de) 2009-01-09 2010-07-15 Robert Bosch Gmbh Eisdruckfeste Komponente
DE102009000103A1 (de) 2009-01-09 2010-07-15 Robert Bosch Gmbh Abdichtung eines Kabels mit großem Außendurchmesser
DE102009002209A1 (de) 2009-04-06 2010-10-14 Robert Bosch Gmbh Eisdruckaufnahme
DE102009029666A1 (de) 2009-09-22 2011-04-14 Robert Bosch Gmbh Einbaueinheit für Tanks
DE102010004614B4 (de) * 2010-01-13 2025-03-13 Vitesco Technologies GmbH Vorrichtung zur Bereitstellung von flüssigem Reduktionsmittel
FR2971006B1 (fr) * 2011-01-31 2015-04-17 Coutier Moulage Gen Ind Module de distribution pour additif a injecter dans une ligne d'echappement
WO2012155292A1 (fr) * 2011-05-16 2012-11-22 苏州派格力减排系统有限公司 Dispositif de stockage intégré pour agent réducteur scr
JP6934439B2 (ja) * 2018-03-19 2021-09-15 日立建機株式会社 建設機械

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806265C1 (de) * 1998-02-16 1999-07-22 Siemens Ag Dosiersystem
EP0939206A2 (fr) * 1998-02-25 1999-09-01 Siemens Aktiengesellschaft Dispositif pour la reduction de l'émission de NOx dans le gaz d'échappement des moteurs à combustion interne
DE19925671A1 (de) * 1998-06-04 1999-12-09 Toyota Motor Co Ltd Abgasemissionsreinigungsgerät für eine Brennkraftmaschine
US6063350A (en) * 1997-04-02 2000-05-16 Clean Diesel Technologies, Inc. Reducing nox emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
DE19946900A1 (de) * 1999-06-22 2000-12-28 Bosch Gmbh Robert Vorrichtung zur Dosierung eines Reduktionsmittels
WO2001006098A1 (fr) * 1999-07-19 2001-01-25 Siemens Aktiengesellschaft Dispositif et procede pour le retraitement des gaz d'echappement d'un moteur a combustion interne par l'intermediaire d'une reduction catalytique selective

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063350A (en) * 1997-04-02 2000-05-16 Clean Diesel Technologies, Inc. Reducing nox emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
DE19806265C1 (de) * 1998-02-16 1999-07-22 Siemens Ag Dosiersystem
EP0939206A2 (fr) * 1998-02-25 1999-09-01 Siemens Aktiengesellschaft Dispositif pour la reduction de l'émission de NOx dans le gaz d'échappement des moteurs à combustion interne
DE19925671A1 (de) * 1998-06-04 1999-12-09 Toyota Motor Co Ltd Abgasemissionsreinigungsgerät für eine Brennkraftmaschine
DE19946900A1 (de) * 1999-06-22 2000-12-28 Bosch Gmbh Robert Vorrichtung zur Dosierung eines Reduktionsmittels
WO2001006098A1 (fr) * 1999-07-19 2001-01-25 Siemens Aktiengesellschaft Dispositif et procede pour le retraitement des gaz d'echappement d'un moteur a combustion interne par l'intermediaire d'une reduction catalytique selective

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005024196A1 (fr) * 2003-09-02 2005-03-17 Hydraulik-Ring Gmbh Dispositif de traitement postérieur de gaz d'échappement pour des moteurs diesel de véhicules à moteur, en particulier d'automobiles
EP1691046A4 (fr) * 2003-09-19 2010-06-30 Nissan Diesel Motor Co Appareil de clarification de gaz d'echappement pour moteur
WO2005028827A1 (fr) 2003-09-19 2005-03-31 Nissan Diesel Motor Co., Ltd. Appareil de clarification de gaz d'echappement pour moteur
US8209958B2 (en) 2003-09-19 2012-07-03 Nissan Diesel Motor Co., Ltd. Engine exhaust emission purification apparatus
WO2005045209A1 (fr) * 2003-11-04 2005-05-19 Robert Bosch Gmbh Dispositif d'introduction d'un agent reducteur dans les gaz d'echappement d'un moteur a combustion interne
US7594516B2 (en) 2004-05-18 2009-09-29 Hydraulik-Ring Gmbh Freeze-resistant metering valve
US7594393B2 (en) 2004-09-07 2009-09-29 Robert Bosch Gmbh Apparatus for introducing a reducing agent into the exhaust of an internal combustion engine
WO2006045672A1 (fr) * 2004-10-23 2006-05-04 Robert Bosch Gmbh Module reservoir d'un agent de reduction et systeme de dosage
US7805930B2 (en) 2004-10-29 2010-10-05 Nissan Diesel Motor Co., Ltd. Exhaust emission purifying apparatus for engine
EP1806487A4 (fr) * 2004-10-29 2010-06-30 Nissan Diesel Motor Co Purificateur de gaz d'échappement pour moteur
CN101263022B (zh) * 2005-09-12 2011-08-17 罗伯特·博世有限公司 用于液态还原剂尤其是尿素溶液的机动车储罐
WO2007031467A3 (fr) * 2005-09-12 2007-07-26 Bosch Gmbh Robert Reservoir de vehicule pour un agent de reduction liquide, notamment une solution d'uree
US8586895B2 (en) 2005-09-12 2013-11-19 Robert Bosch Gmbh Vehicle tank for a liquid reducing agent, in particular for a urea solution
WO2007036272A1 (fr) * 2005-09-27 2007-04-05 Daimler Ag Dispositif de dosage de carburant d'un systeme d'echappement d'un moteur a combustion interne
WO2007118772A1 (fr) 2006-04-13 2007-10-25 Contitech Techno-Chemie Gmbh Système de conduites flexibles chauffable d'installations de retraitement des gaz d'échappement de moteurs à combustion interne
US8209957B2 (en) 2006-04-13 2012-07-03 Contitech Techno-Chemie Gmbh Heatable hose conduit system for an exhaust-gas aftertreatment system of an internal combustion engine
EP2013051A4 (fr) * 2006-04-27 2011-03-23 Volvo Lastvagnar Ab Receptacle de liquide pour vehicule
EP1925354A1 (fr) * 2006-10-27 2008-05-28 Robert Bosch Gmbh Dispositif de réduction catalytique
US8875491B2 (en) 2007-01-25 2014-11-04 Cummins Ltd. Exhaust gas aftertreatment system and method
US8959895B2 (en) 2008-03-05 2015-02-24 Cummins Ltd. Exhaust-gas aftertreatment device
US8857160B2 (en) 2009-01-09 2014-10-14 Robert Bosch Gmbh Reservoir for accommodating an aqueous solution
CN102272422A (zh) * 2009-01-09 2011-12-07 罗伯特·博世有限公司 容器装置
EP2216524A1 (fr) * 2009-02-10 2010-08-11 Delphi Technologies, Inc. Filtre d'urée chauffée pour moteur diesel
US8938949B2 (en) 2009-08-03 2015-01-27 Cummins Ltd. SCR exhaust gas aftertreatment device
WO2011029780A1 (fr) * 2009-09-11 2011-03-17 Emitec Gesellschaft Für Emissionstechnologie Mbh Dispositif d'acheminement pour un agent de réduction
US9038374B2 (en) 2009-09-11 2015-05-26 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Delivery device and tank configuration for a reducing agent and motor vehicle having a tank configuration
CN102667084A (zh) * 2009-11-23 2012-09-12 罗伯特·博世有限公司 存储还原剂的罐的部件的模块设计
RU2524158C2 (ru) * 2010-01-14 2014-07-27 Сканиа Св Аб Устройство и способ для подогрева восстановителя в системе scr для транспортного средства
EP2552723B1 (fr) * 2010-03-26 2019-10-16 Robert Bosch GmbH Système pour èviter le noyage d'un système de pompage ou dosage
EP2582937A1 (fr) * 2010-06-16 2013-04-24 Emitec Gesellschaft für Emissionstechnologie mbH Dispositif pour refouler un agent de réduction liquide
US8875502B2 (en) 2010-12-14 2014-11-04 Cummins Ltd. SCR exhaust gas aftertreatment device
EP2673481A1 (fr) * 2011-02-09 2013-12-18 Emitec Gesellschaft für Emissionstechnologie mbH Unité de transport pour transporter un agent réducteur
WO2012126548A1 (fr) * 2011-03-21 2012-09-27 Albonair Gmbh Système de retraitement des gaz d'échappement
CN102251832A (zh) * 2011-06-10 2011-11-23 苏州派格力减排系统有限公司 Scr系统中的液体加热式计量喷射泵
SE541093C2 (en) * 2017-07-24 2019-04-02 Scania Cv Ab Dosing system for reduction agent

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