WO2005024196A1 - Abgasnachbehandlungseinrichtung für dieselmotoren von fahrzeugen, vorzugsweise von pkws - Google Patents
Abgasnachbehandlungseinrichtung für dieselmotoren von fahrzeugen, vorzugsweise von pkws Download PDFInfo
- Publication number
- WO2005024196A1 WO2005024196A1 PCT/DE2004/001847 DE2004001847W WO2005024196A1 WO 2005024196 A1 WO2005024196 A1 WO 2005024196A1 DE 2004001847 W DE2004001847 W DE 2004001847W WO 2005024196 A1 WO2005024196 A1 WO 2005024196A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pump
- exhaust gas
- housing
- sensor
- injection valve
- Prior art date
Links
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
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of 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
- F01N3/10—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 ; Methods of operation or control of catalytic converters
- 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
- F01N2240/16—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
- 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
- F01N2610/14—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
- F01N2610/1433—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
- F01N2610/148—Arrangement of sensors
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Definitions
- Exhaust aftertreatment device for diesel engines of vehicles preferably cars
- the invention relates to an exhaust gas aftertreatment device for diesel engines of vehicles, preferably cars, according to the preamble of claim 1.
- Such exhaust gas aftertreatment devices are mainly used in trucks to treat the exhaust gases generated by the diesel engines so that the nitrogen oxides (NO, N0 2 ) are at least partially bound.
- a pump is provided which conveys a 32.5% urea-water solution as an exhaust gas aftertreatment medium from a storage tank and feeds it to the injection valve under a certain pressure. It doses the required amount of urea-water solution into a pressure-controlled air flow. It is taken from the vehicle electrical system for trucks. For a car, the compressed air must be provided via a separate air compressor. The air flow entrains the injected urea-water solution.
- the resulting emulsion is fed through an aerosol line to the injection nozzle on the exhaust pipe, where it is injected into the exhaust pipe in front of the catalytic converter.
- the controls, the various sensors, the injection nozzle on the exhaust pipe or the pumps are sometimes far apart. Therefore, these individual components must be linked via a cable harness and the cables to all of these components must be pulled. Often the cables have to be routed near the exhaust, where the temperatures are high.
- the invention has for its object to design the generic exhaust gas aftertreatment device so that it can be easily installed in the vehicle with a simple structure.
- At least the pump and the control are combined to form one installation unit.
- the complex laying of cables between these components can be omitted, so that the device can be easily installed.
- the invention is explained in more detail using an exemplary embodiment shown in the drawing.
- the drawing shows an exhaust gas aftertreatment device according to the invention in a schematic representation.
- the nitrogen oxides (NO, N0 2 ) are reduced by a catalytic converter for the exhaust aftertreatment of diesel engines in trucks and passenger cars.
- a solution is used for this, which is introduced into the exhaust gas flow of the diesel engine.
- 32.5% urea-water solution, which is accommodated in a storage container 1, is advantageously used as the solution. It is located in a tank 2 for diesel fuel.
- a discharge line 3 projects into the storage container 1 and is advantageously connected to a filter 4 within the storage container 1.
- the discharge line 3 passes through seals the reservoir 1 and is connected to a line 5 on the wall of the tank 2. It branches to a pump block 6, which has two pump units 7 and 8 connected in parallel.
- a check valve 9, 10, which prevents the medium from flowing back into the reservoir 1, is connected upstream of both pump units 7, 8.
- the two pump units 7, 8 are connected to an electrical / electronic control 11.
- the medium With the pump units 7, 8, the medium is fed via an outlet line 12, 13 to a delivery line 14, in which the medium reaches a switching valve 15.
- a switching valve 15 In each of the outlet lines 12, 13 there is a check valve 16, 17 which blocks against the pump units 7, 8.
- the switching valve 15 is also connected to the controller 11.
- the pressure of the medium in the delivery line 14 is monitored by a pressure sensor 18 which is connected to the controller 11.
- the switching valve 15 assumes its blocking position, so that the medium cannot get in the direction of a throttle point 20 provided on an exhaust pipe 19.
- the throttle point 20 is part of an injection valve 25, with which the exhaust gas treatment medium can be injected into the exhaust pipe 19.
- the exhaust gases flowing through the exhaust pipe 19 take up the sprayed-in exhaust gas treatment medium.
- the switching valve 15, controlled by the controller 11 is switched to its open position, the exhaust gas aftertreatment medium flows from the delivery line 14 through the switching valve 15 into a delivery line 21, which is advantageously designed as an expansion hose.
- the delivery line 21 is connected to the throttle valve 20.
- the temperature of the exhaust gas in the exhaust pipe 19 is measured by a temperature sensor 22, which is connected to the controller 11 via a bus 23, preferably a CAN bus.
- the delivery line 21 is preferably heatable.
- a heating device 24 is provided, which can be provided on the delivery line 21 or can be integrated into it. This heating device 24 is also connected to the controller 11.
- the injection valve 25 can optionally be provided with a check valve 26 which blocks against the delivery line 21.
- the functional safety of the injection valve 25 is improved by the check valve 26.
- the electrical system 27 of the motor vehicle is connected to the controller 11.
- the controller 11 sits on a housing 28 in which the pump 6, its pressure sensor 18 and the switching valve 15 are accommodated.
- the housing 28 itself is part of an installation unit 31, which in turn is part of a metering unit 29, which is indicated in the drawing by a dashed line.
- the metering unit 29 contains, in addition to the installation unit 31 with the control 11, the injection valve 25.
- the essential components of the metering unit 29 are accommodated in the housing 28, long cable runs to the individual components of the aftertreatment device can be dispensed with.
- the control 11 itself is provided on the housing 28 and can optionally also be integrated into the housing 28.
- the essential components of the aftertreatment device are arranged very close together. In the housing 28, these parts are protected from destruction, for example by frost.
- the electrically heatable expansion hose 21 leads from the housing 28 of the metering or installation unit 31 to the injection valve 25 at the injection point on the exhaust pipe 19.
- the exhaust gas treatment medium is metered into the exhaust gas flowing in the exhaust pipe 19 via the injection valve 25.
- the additional volume occurring due to the freezing process can be pressed into the exhaust pipe 19 via the injection valve 25 if it is not taken up by the heatable expansion hose 21.
- a pump magnet coil of the pump 6 can be energized continuously without the pump delivering.
- the associated heating can be used to thaw the installation unit 31. This eliminates the need for a separate connection to the vehicle cooling system, which would otherwise be necessary for thawing.
- the expansion hose 21 is heated in the manner described, so that the exhaust gas treatment medium flowing through the expansion hose is heated.
- the injection valve 25 is also heated to such an extent that any frozen exhaust gas treatment medium may thaw. The most If the injector 25 is provided, the injector 30 can be reliably heated in this way so that it does not freeze up.
- the pump 6 can be used as a heating element in the manner described by continuously energizing its magnet coil, so that the medium frozen in the pump is thawed.
- the installation unit 31 with the housing 28 is advantageously mounted directly on the tank 2, so that an additional external suction line for the exhaust gas treatment medium is not required.
- the exhaust gas aftertreatment device is advantageously provided for passenger vehicles in which a compressed air network - in contrast to trucks - is not available, the exhaust gas treatment medium can be metered into the exhaust gas stream in the exhaust pipe 19 without problems in the manner described.
- the exhaust gas aftertreatment device described is frost-proof, has a compact design and is inexpensive to produce. The device can also be used for trucks.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04762688A EP1664498A1 (de) | 2003-09-02 | 2004-08-19 | Abgasnachbehandlungseinrichtung f r dieselmotoren von fahrzeugen, vorzugsweise von pkws |
JP2006525034A JP2007504387A (ja) | 2003-09-02 | 2004-08-19 | 車両、特に乗用車のディーゼルエンジンのための排ガス後処理装置 |
DE112004002150T DE112004002150D2 (de) | 2003-09-02 | 2004-08-19 | Abgasnachbehandlungseinrichtung für Dieselmotoren von Fahrzeugen, vorzugsweise von PKWs |
US10/570,166 US20060236679A1 (en) | 2003-09-02 | 2004-08-19 | Exhaust gas aftertreatment device for diesel engines of vehicles, preferably passenger cars |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10341996A DE10341996A1 (de) | 2003-09-02 | 2003-09-02 | Abgasnachbehandlungseinrichtung für Dieselmotoren von Fahrzeugen, vorzugsweise von PKWs |
DE10341996.9 | 2003-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005024196A1 true WO2005024196A1 (de) | 2005-03-17 |
WO2005024196B1 WO2005024196B1 (de) | 2005-05-12 |
Family
ID=34202410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2004/001847 WO2005024196A1 (de) | 2003-09-02 | 2004-08-19 | Abgasnachbehandlungseinrichtung für dieselmotoren von fahrzeugen, vorzugsweise von pkws |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060236679A1 (de) |
EP (1) | EP1664498A1 (de) |
JP (1) | JP2007504387A (de) |
CN (1) | CN1846043A (de) |
DE (2) | DE10341996A1 (de) |
WO (1) | WO2005024196A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010506076A (ja) * | 2006-10-04 | 2010-02-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 還元剤を貯蔵するためのタンク |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004025062B4 (de) | 2004-05-18 | 2006-09-14 | Hydraulik-Ring Gmbh | Gefriertaugliches Dosierventil |
US7836684B2 (en) | 2005-06-04 | 2010-11-23 | Eichenauer Heizelemente Gmbh & Co. Kg | Urea supply system for a waste gas cleaning catalyst and heating insert suitable therefor |
DE102005025724A1 (de) * | 2005-06-04 | 2006-12-07 | Eichenauer Heizelemente Gmbh & Co. Kg | Harnstoffversorgungssystem für einen Abgasreinigungskatalysator und hierfür geeigneter Heizeinsatz |
ATE536469T1 (de) * | 2005-06-22 | 2011-12-15 | Eichenauer Heizelemente Gmbh | Reduktionsmittelversorgungssystem für einen abgasreinigungskatalysator und heizeinrichtung hierfür |
DE102005032823A1 (de) * | 2005-07-12 | 2007-01-18 | Eichenauer Heizelemente Gmbh & Co. Kg | Tankheizung |
DE102005037201A1 (de) * | 2005-08-06 | 2007-02-22 | Eichenauer Heizelemente Gmbh & Co. Kg | Heizsystem |
DE102007004687B4 (de) | 2007-01-25 | 2012-03-01 | Hydraulik-Ring Gmbh | Volumensmengenabgabeeinheit und Verfahren zur Kalibrierung der Druckausgangssignal-Volumensmenge-Charakteristik |
DE102007017458A1 (de) * | 2007-04-03 | 2008-10-09 | Daimler Ag | Verfahren zum Heizen eines Reduktionsmitteldosierventils bei einem SCR-System zur Abgasnachbehandlung eines Verbrennungsmotors |
DE102007024782B4 (de) * | 2007-05-26 | 2011-08-25 | Eichenauer Heizelemente GmbH & Co. KG, 76870 | Heizeinsatz und dessen Verwendung in einem Harnstoffversorgungssystem |
US8096112B2 (en) * | 2007-09-28 | 2012-01-17 | Caterpillar Inc. | Exhaust after-treatment system having a secondary tank |
DE102008012780B4 (de) | 2008-03-05 | 2012-10-04 | Hydraulik-Ring Gmbh | Abgasnachbehandlungseinrichtung |
DE102009023325B4 (de) * | 2008-12-10 | 2012-01-26 | Continental Automotive Gmbh | Verfahren zur Adaption der Injektionsmittelzufuhr in einem Injektionssystem |
DE102009035940C5 (de) | 2009-08-03 | 2017-04-20 | Cummins Ltd. | SCR-Abgasnachbehandlungseinrichtung |
DE102010030343A1 (de) | 2010-06-22 | 2011-12-22 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Eindosierung einer Flüssigkeit in den Abgasstrang einer Brennkraftmaschine |
DE102010061222B4 (de) | 2010-12-14 | 2015-05-07 | Cummins Ltd. | SCR-Abgasnachbehandlungseinrichtung |
DE102011053053B4 (de) * | 2011-08-26 | 2023-06-15 | Cummins Ltd. | Fluidleitung |
DE102012204107A1 (de) * | 2012-03-15 | 2013-09-19 | Robert Bosch Gmbh | Dosiervorrichtung |
US8607625B2 (en) * | 2012-05-10 | 2013-12-17 | GM Global Technology Operations LLC | Service test for exhaust gas treatment system |
DE102013101720B4 (de) | 2013-02-21 | 2015-02-12 | Bernd Giegerich | Schutzelement zur Vermeidung von Frostschäden |
DE102013102101A1 (de) | 2013-03-04 | 2014-09-18 | Emitec France S.A.S | Verfahren zum Betriebsstart einer Vorrichtung zur Bereitstellung eines flüssigen Additivs |
CN105863786A (zh) * | 2016-04-11 | 2016-08-17 | 安徽康成工业产品设计有限公司 | 一种汽车尾气用管式净化装置 |
CN107461244B (zh) * | 2016-06-06 | 2023-06-09 | 天纳克(苏州)排放系统有限公司 | 集成装置、尾气后处理系统以及控制方法 |
CN114439578A (zh) * | 2020-10-30 | 2022-05-06 | 长城汽车股份有限公司 | 尿素喷嘴、尿素喷射系统和车辆 |
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DE29717494U1 (de) * | 1997-09-30 | 1997-12-11 | Siemens Ag | Vorrichtung zur NOx-Reduktion im Abgas einer Brennkraftmaschine |
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WO2003016687A1 (de) * | 2001-08-09 | 2003-02-27 | Robert Bosch Gmbh | Dosiersystem zur dosierung eines reduktionsmittels für eine abgasnachbehandlung |
WO2003052357A1 (de) * | 2001-12-18 | 2003-06-26 | Siemens Aktiengesellschaft | Vorrichtung zum bestimmen des füllstandes einer flüssigkeit in einem behälter |
EP1435458A1 (de) * | 2002-12-23 | 2004-07-07 | Grundfos a/s | Dosierpumpenaggregat |
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DE19818448A1 (de) * | 1998-04-24 | 1999-10-28 | Siemens Ag | Verfahren und Vorrichtung zur katalytischen Reduzierung von Stickoxiden im Abgas einer Verbrennungsanlage |
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DE10139142A1 (de) * | 2001-08-09 | 2003-02-20 | Bosch Gmbh Robert | Abgasbehandlungseinheit und Messvorrichtung zur Ermittlung einer Konzentration einer Harnstoff-Wasser-Lösung |
US6814303B2 (en) * | 2002-04-03 | 2004-11-09 | Cleaire Advanced Emission Controls | Fluid-cooled mount for an injector |
DE10231216A1 (de) * | 2002-07-11 | 2004-01-22 | Hydraulik-Ring Gmbh | Einrichtung zur Abgasnachbehandlung von Kraftfahrzeugen, insbesondere Dieselkraftfahrzeugen |
US20060101810A1 (en) * | 2004-11-15 | 2006-05-18 | Angelo Theodore G | System for dispensing fuel into an exhaust system of a diesel engine |
-
2003
- 2003-09-02 DE DE10341996A patent/DE10341996A1/de not_active Withdrawn
-
2004
- 2004-08-19 JP JP2006525034A patent/JP2007504387A/ja active Pending
- 2004-08-19 CN CNA2004800252539A patent/CN1846043A/zh active Pending
- 2004-08-19 EP EP04762688A patent/EP1664498A1/de not_active Withdrawn
- 2004-08-19 WO PCT/DE2004/001847 patent/WO2005024196A1/de active Application Filing
- 2004-08-19 US US10/570,166 patent/US20060236679A1/en not_active Abandoned
- 2004-08-19 DE DE112004002150T patent/DE112004002150D2/de not_active Expired - Fee Related
Patent Citations (6)
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DE29717494U1 (de) * | 1997-09-30 | 1997-12-11 | Siemens Ag | Vorrichtung zur NOx-Reduktion im Abgas einer Brennkraftmaschine |
US6082102A (en) * | 1997-09-30 | 2000-07-04 | Siemens Aktiengesellschaft | NOx reduction system with a device for metering reducing agents |
US6192676B1 (en) * | 1998-02-25 | 2001-02-27 | Siemens Aktiengesellschaft | Device for reducing the NOx content in the exhaust gas of an internal combustion engine |
WO2003016687A1 (de) * | 2001-08-09 | 2003-02-27 | Robert Bosch Gmbh | Dosiersystem zur dosierung eines reduktionsmittels für eine abgasnachbehandlung |
WO2003052357A1 (de) * | 2001-12-18 | 2003-06-26 | Siemens Aktiengesellschaft | Vorrichtung zum bestimmen des füllstandes einer flüssigkeit in einem behälter |
EP1435458A1 (de) * | 2002-12-23 | 2004-07-07 | Grundfos a/s | Dosierpumpenaggregat |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010506076A (ja) * | 2006-10-04 | 2010-02-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 還元剤を貯蔵するためのタンク |
JP4801202B2 (ja) * | 2006-10-04 | 2011-10-26 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 還元剤を貯蔵するためのタンク |
Also Published As
Publication number | Publication date |
---|---|
WO2005024196B1 (de) | 2005-05-12 |
DE112004002150D2 (de) | 2006-07-13 |
EP1664498A1 (de) | 2006-06-07 |
DE10341996A1 (de) | 2005-03-24 |
CN1846043A (zh) | 2006-10-11 |
US20060236679A1 (en) | 2006-10-26 |
JP2007504387A (ja) | 2007-03-01 |
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