WO2008045499A2 - Dual injector system for diesel emissions control - Google Patents
Dual injector system for diesel emissions control Download PDFInfo
- Publication number
- WO2008045499A2 WO2008045499A2 PCT/US2007/021711 US2007021711W WO2008045499A2 WO 2008045499 A2 WO2008045499 A2 WO 2008045499A2 US 2007021711 W US2007021711 W US 2007021711W WO 2008045499 A2 WO2008045499 A2 WO 2008045499A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- injector
- reagent
- injection
- injecting
- threshold value
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 title description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004202 carbamide Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims description 107
- 238000002347 injection Methods 0.000 claims description 44
- 239000007924 injection Substances 0.000 claims description 44
- 239000003054 catalyst Substances 0.000 claims description 28
- 229930195733 hydrocarbon Natural products 0.000 claims description 26
- 150000002430 hydrocarbons Chemical class 0.000 claims description 25
- 239000004215 Carbon black (E152) Substances 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 5
- 238000000889 atomisation Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- -1 diesel fuel Chemical class 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with 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
- F01N3/0253—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 adding fuel to exhaust gases
-
- 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
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
-
- 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
- F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
-
- 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]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine 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
- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
-
- 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
- F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
- F01N2900/1806—Properties of reducing agent or dosing system
- F01N2900/1814—Tank level
-
- 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
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009532405A JP2010507037A (en) | 2006-10-11 | 2007-10-11 | Dual injector device for reducing diesel emissions |
CN2007800381459A CN101573512B (en) | 2006-10-11 | 2007-10-11 | Dual injector system for diesel emissions control |
MX2009003860A MX2009003860A (en) | 2006-10-11 | 2007-10-11 | Dual injector system for diesel emissions control. |
CA2666333A CA2666333C (en) | 2006-10-11 | 2007-10-11 | Dual injector system for diesel emissions control |
EP07852654.8A EP2078141B1 (en) | 2006-10-11 | 2007-10-11 | Dual injector system for diesel emissions control |
BRPI0719237-1A BRPI0719237A2 (en) | 2006-10-11 | 2007-10-11 | DIESEL EMISSION CONTROL DOUBLE INJECTOR SYSTEM |
KR1020097007509A KR101399049B1 (en) | 2006-10-11 | 2007-10-11 | Dual Injector System for Diesel Emission Control |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85110406P | 2006-10-11 | 2006-10-11 | |
US60/851,104 | 2006-10-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008045499A2 true WO2008045499A2 (en) | 2008-04-17 |
WO2008045499A3 WO2008045499A3 (en) | 2008-11-27 |
Family
ID=39283448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2007/021711 WO2008045499A2 (en) | 2006-10-11 | 2007-10-11 | Dual injector system for diesel emissions control |
Country Status (9)
Country | Link |
---|---|
US (1) | US8109077B2 (en) |
EP (1) | EP2078141B1 (en) |
JP (3) | JP2010507037A (en) |
KR (1) | KR101399049B1 (en) |
CN (1) | CN101573512B (en) |
BR (1) | BRPI0719237A2 (en) |
CA (1) | CA2666333C (en) |
MX (1) | MX2009003860A (en) |
WO (1) | WO2008045499A2 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008215123A (en) * | 2007-03-01 | 2008-09-18 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
EP2251531A1 (en) * | 2008-02-19 | 2010-11-17 | Isuzu Motors, Ltd. | Fuel injection control device |
EP2460991A1 (en) * | 2010-05-20 | 2012-06-06 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine exhaust gas purification device |
GB2492356A (en) * | 2011-06-28 | 2013-01-02 | Gm Global Tech Operations Inc | Exhaust gas treatment system with fuel and urea injection |
EP2570625A1 (en) * | 2010-05-12 | 2013-03-20 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification system for internal combustion engine |
JP2013519842A (en) * | 2010-02-17 | 2013-05-30 | テンネコ・オートモティブ・オペレーティング・カンパニー・インコーポレイテッド | Vehicle-mounted nitrogen oxide aftertreatment system |
WO2015170032A1 (en) * | 2014-05-06 | 2015-11-12 | Peugeot Citroen Automobiles Sa | Motor vehicle maintaining the depollution function |
FR3020831A1 (en) * | 2014-05-06 | 2015-11-13 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE WITH DEPOLLUTION FUNCTION AT LOW TEMPERATURES |
EP3301271A1 (en) * | 2016-09-28 | 2018-04-04 | Bayerische Motoren Werke Aktiengesellschaft | Method for purging an exhaust gas aftertreatment device |
WO2023000166A1 (en) * | 2021-07-20 | 2023-01-26 | Robert Bosch Gmbh | Exhaust after-treatment system, operating method thereof and computer program product |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2447138B (en) * | 2007-02-28 | 2009-04-01 | Scion Sprays Ltd | An injection system for an internal combustion engine |
US7896645B2 (en) * | 2008-05-30 | 2011-03-01 | Universal Cleanair Technologies | Three phased combustion system |
DE102009035940C5 (en) * | 2009-08-03 | 2017-04-20 | Cummins Ltd. | SCR exhaust treatment device |
EP2576015A1 (en) * | 2010-06-04 | 2013-04-10 | International Engine Intellectual Property Company, LLC | System and method for injecting ammonia into an exhaust gas stream |
SE535631C2 (en) * | 2010-06-21 | 2012-10-23 | Scania Cv Ab | Procedure for the presence of air in an HC dosing system and corresponding HC dosing system |
US8776503B2 (en) * | 2010-09-20 | 2014-07-15 | GM Global Technology Operations LLC | Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system |
FR2966872B1 (en) | 2010-11-02 | 2012-11-16 | Peugeot Citroen Automobiles Sa | METHOD FOR CONTROLLING A SELECTIVE CATALYTIC REDUCTION SYSTEM FOR A VEHICLE AND VEHICLE THEREFOR |
US8635854B2 (en) | 2011-08-05 | 2014-01-28 | Tenneco Automotive Operating Company Inc. | Reductant injection control system |
US20130047581A1 (en) * | 2011-08-24 | 2013-02-28 | Joseph G. Ralph | Reagent Dosing System |
US8701389B2 (en) | 2011-12-06 | 2014-04-22 | Tenneco Automotive Operating Company Inc. | Reagent injector control system |
US20130343959A1 (en) * | 2012-06-21 | 2013-12-26 | Tenneco Automotive Operating Company Inc. | Common rail reductant injection system |
US20140166141A1 (en) * | 2012-12-13 | 2014-06-19 | Tenneco Automotive Operating Company Inc. | Reductant Injection System with Control Valve |
US9222388B2 (en) | 2013-02-28 | 2015-12-29 | Tenneco Automotive Operating Company Inc. | Urea common rail |
US20140260190A1 (en) * | 2013-03-13 | 2014-09-18 | Tenneco Automotive Operating Company Inc. | Exhaust Aftertreatment Control System And Method For Maximizing Fuel Efficiency While Reducing Emissions |
US9016043B2 (en) | 2013-03-14 | 2015-04-28 | Tenneco Automotive Operating Company Inc. | Exhaust treatment system with urea temperature rationality diagnostic |
US9777610B2 (en) * | 2013-04-25 | 2017-10-03 | International Engine Intellectual Property Company, Llc. | NH3 flow measurement |
US9869226B2 (en) | 2013-06-07 | 2018-01-16 | Peerless Mfg. Co. | System and method for sequential injection of reagent to reduce NOx from combustion sources |
FR3007793B1 (en) * | 2013-07-01 | 2015-07-17 | Peugeot Citroen Automobiles Sa | EXHAUST LINE FOR DEPOLLUTING EXHAUST GAS ACCORDING TO TWO OPERATING MODES |
US9221014B2 (en) | 2013-11-20 | 2015-12-29 | Tenneco Automotive Operating Company Inc. | Fluid injection control system |
US9192892B2 (en) | 2014-01-16 | 2015-11-24 | Cummins Emission Solutions, Inc. | Selective dosing module control system |
CN106414930B (en) * | 2014-06-11 | 2019-06-25 | 天纳克汽车经营有限公司 | Fluid delivery system with line pressure control valve |
DE112014006820T5 (en) | 2014-07-18 | 2017-04-06 | Cummins Emission Solutions Inc. | Exhaust gas aftertreatment system and method with two controlled reductant dosing systems |
EP3228839B1 (en) | 2014-11-21 | 2019-09-25 | Tenneco (Suzhou) Emission System Co.,Ltd. | Common rail assembly, urea injection system and application thereof |
CN105673154B (en) | 2014-11-21 | 2019-11-08 | 天纳克(苏州)排放系统有限公司 | Common rail, the application of the common rail, urea injection system and its control method |
US9512763B2 (en) * | 2014-12-05 | 2016-12-06 | Caterpillar Inc. | Diesel exhaust fluid dosing system for diesel engine aftertreatment module |
GB2537598B (en) * | 2015-04-13 | 2017-09-13 | Perkins Engines Co Ltd | Method of controlling an engine system |
US10577994B2 (en) | 2015-06-24 | 2020-03-03 | Cummins Emission Solutions Inc. | Control of multiple reductant insertion assemblies using a single controller |
SE539129C2 (en) | 2015-08-27 | 2017-04-11 | Scania Cv Ab | Process and system for processing a single stream combustion exhaust stream |
US10641154B2 (en) | 2015-08-27 | 2020-05-05 | Cummins Emission Solutions Inc. | Particulate matter sensor with engineered particle size cut-point |
SE539133C2 (en) | 2015-08-27 | 2017-04-11 | Scania Cv Ab | Exhaust gas treatment system and method for treating an exhaust gas stream |
US9644516B1 (en) | 2015-10-16 | 2017-05-09 | Cummins Emission Solutions Inc. | Mounting plate for mounting injectors and directing reductant flow in exhaust conduits |
US9903247B2 (en) | 2015-12-31 | 2018-02-27 | Cummins Emission Solutions Inc. | Reductant apportionment for multi-dosing architectures |
KR101795394B1 (en) | 2016-05-25 | 2017-12-01 | 현대자동차 주식회사 | Exhaust system and control method of amount of urea supply |
CN106050369B (en) * | 2016-06-12 | 2019-03-08 | 山东康钧环保科技有限公司 | A kind of SCR aftertreatment system urea supply device and processing method |
CN207598323U (en) * | 2017-03-20 | 2018-07-10 | 天纳克(苏州)排放系统有限公司 | exhaust gas aftertreatment system |
WO2018171212A1 (en) * | 2017-03-20 | 2018-09-27 | 天纳克(苏州)排放系统有限公司 | Exhaust gas after-treatment system |
DE112017007440T5 (en) * | 2017-04-13 | 2020-02-27 | Cummins Emission Solutions Inc. | Dosing module for use in aftertreatment systems for internal combustion engines |
DE112018003392T5 (en) | 2017-08-02 | 2020-03-19 | Robert Bosch Gmbh | CONCEPT OF MULTIPLE DEF INJECTION TO REDUCE THE RISK OF TRAINING SOLID DEPOSITS IN DIESEL TREATMENT SYSTEMS |
DE112018003424T5 (en) | 2017-08-02 | 2020-03-19 | Robert Bosch Gmbh | DEF INJECTION STRATEGY FOR MULTIPLE INJECTION SYSTEMS |
US10746071B2 (en) * | 2018-05-01 | 2020-08-18 | Caterpillar Inc. | Engine aftertreatment system |
US10787945B2 (en) | 2018-05-30 | 2020-09-29 | Caterpillar Inc. | Urea deposit growth thermal management via multi-zone alternating variable diesel exhaust fluid injection utilizing a physics-based deposit growth and decay model |
WO2020143012A1 (en) * | 2019-01-11 | 2020-07-16 | Cummins Emission Solutions Inc. | Aftertreatment system with multiple dosing modules |
US11208934B2 (en) | 2019-02-25 | 2021-12-28 | Cummins Emission Solutions Inc. | Systems and methods for mixing exhaust gas and reductant |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6361754B1 (en) | 1997-03-27 | 2002-03-26 | Clean Diesel Technologies, Inc. | Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction |
DE10128414A1 (en) | 2001-06-12 | 2002-12-19 | Daimler Chrysler Ag | Exhaust gas system for cleaning internal combustion engine exhaust gases comprises a reducing agent supply having a hydrogen-producing unit for enriching the exhaust gas with hydrogen |
WO2004058642A1 (en) | 2002-12-17 | 2004-07-15 | Clean Diesel Technologies, Inc. | NOx CONTROL FOR IC ENGINES |
US6823663B2 (en) | 2002-11-21 | 2004-11-30 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
US7264785B2 (en) | 2001-12-20 | 2007-09-04 | Johnson Matthey Public Limited Company | Selective catalytic reduction |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871410U (en) * | 1971-12-10 | 1973-09-07 | ||
JP2793415B2 (en) * | 1992-02-04 | 1998-09-03 | 日野自動車工業株式会社 | NOx reduction device in engine exhaust gas |
US6048510A (en) * | 1997-09-30 | 2000-04-11 | Coal Tech Corporation | Method for reducing nitrogen oxides in combustion effluents |
JP3557578B2 (en) * | 1997-12-04 | 2004-08-25 | 日立造船株式会社 | Exhaust gas treatment method for waste incinerator |
JP3482874B2 (en) | 1998-05-28 | 2004-01-06 | トヨタ自動車株式会社 | Exhaust gas purification device for internal combustion engine |
JP3620291B2 (en) * | 1998-06-22 | 2005-02-16 | トヨタ自動車株式会社 | Exhaust gas purification device for internal combustion engine |
US6279603B1 (en) * | 1998-10-01 | 2001-08-28 | Ambac International | Fluid-cooled injector |
US6125629A (en) * | 1998-11-13 | 2000-10-03 | Engelhard Corporation | Staged reductant injection for improved NOx reduction |
US6182443B1 (en) | 1999-02-09 | 2001-02-06 | Ford Global Technologies, Inc. | Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent |
JP3518398B2 (en) * | 1999-03-11 | 2004-04-12 | トヨタ自動車株式会社 | Exhaust gas purification device for internal combustion engine |
US6182444B1 (en) * | 1999-06-07 | 2001-02-06 | Ford Global Technologies, Inc. | Emission control system |
JP3617450B2 (en) * | 2000-12-20 | 2005-02-02 | トヨタ自動車株式会社 | Exhaust gas purification device for internal combustion engine |
WO2003039737A1 (en) * | 2001-11-09 | 2003-05-15 | Clean Diesel Technologies, Inc. | Continuously-variable control of pollution reducing chemicals for combustion sources |
US6761025B1 (en) * | 2002-12-19 | 2004-07-13 | Caterpillar Inc. | Enhanced ammonia feed control for selective catalytic reduction |
JP4141916B2 (en) * | 2003-07-10 | 2008-08-27 | 住友ベークライト株式会社 | Biological tissue adhesive applicator |
US7047784B2 (en) * | 2003-08-12 | 2006-05-23 | Belco Industries, Inc. | Hot cut aluminum billet saw |
JP2005207289A (en) * | 2004-01-22 | 2005-08-04 | Hino Motors Ltd | System for fuel addition in exhaust pipe of diesel engine |
US7467749B2 (en) * | 2004-04-26 | 2008-12-23 | Tenneco Automotive Operating Company Inc. | Methods and apparatus for injecting atomized reagent |
JP4308094B2 (en) * | 2004-06-23 | 2009-08-05 | 日野自動車株式会社 | Reducing agent supply device |
US20060013704A1 (en) * | 2004-06-30 | 2006-01-19 | Teruya Sawada | Liquid aeration delivery apparatus |
US7213395B2 (en) * | 2004-07-14 | 2007-05-08 | Eaton Corporation | Hybrid catalyst system for exhaust emissions reduction |
SE527367C2 (en) * | 2004-10-13 | 2006-02-21 | Volvo Lastvagnar Ab | Motor-driven vehicle and method with fragmented hydrocarbon injection for optimized oxidation of nitrogen monoxide in exhaust after-treatment systems |
JP2006125247A (en) * | 2004-10-27 | 2006-05-18 | Hitachi Ltd | Exhaust emission control method and exhaust emission control device for engine |
US7644577B2 (en) * | 2004-10-29 | 2010-01-12 | Philip Morris Usa, Inc. | Reducing agent metering system for reducing NOx in lean burn internal combustion engines |
WO2006066043A1 (en) | 2004-12-15 | 2006-06-22 | Donaldson Company, Inc. | Control for an engine exhaust treatment system |
-
2007
- 2007-10-10 US US11/870,012 patent/US8109077B2/en not_active Expired - Fee Related
- 2007-10-11 MX MX2009003860A patent/MX2009003860A/en active IP Right Grant
- 2007-10-11 JP JP2009532405A patent/JP2010507037A/en active Pending
- 2007-10-11 CA CA2666333A patent/CA2666333C/en not_active Expired - Fee Related
- 2007-10-11 WO PCT/US2007/021711 patent/WO2008045499A2/en active Application Filing
- 2007-10-11 BR BRPI0719237-1A patent/BRPI0719237A2/en not_active IP Right Cessation
- 2007-10-11 KR KR1020097007509A patent/KR101399049B1/en not_active IP Right Cessation
- 2007-10-11 EP EP07852654.8A patent/EP2078141B1/en not_active Not-in-force
- 2007-10-11 CN CN2007800381459A patent/CN101573512B/en not_active Expired - Fee Related
-
2013
- 2013-01-28 JP JP2013013088A patent/JP2013083269A/en active Pending
-
2014
- 2014-08-21 JP JP2014168240A patent/JP2014238095A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6361754B1 (en) | 1997-03-27 | 2002-03-26 | Clean Diesel Technologies, Inc. | Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction |
DE10128414A1 (en) | 2001-06-12 | 2002-12-19 | Daimler Chrysler Ag | Exhaust gas system for cleaning internal combustion engine exhaust gases comprises a reducing agent supply having a hydrogen-producing unit for enriching the exhaust gas with hydrogen |
US7264785B2 (en) | 2001-12-20 | 2007-09-04 | Johnson Matthey Public Limited Company | Selective catalytic reduction |
US6823663B2 (en) | 2002-11-21 | 2004-11-30 | Ford Global Technologies, Llc | Exhaust gas aftertreatment systems |
WO2004058642A1 (en) | 2002-12-17 | 2004-07-15 | Clean Diesel Technologies, Inc. | NOx CONTROL FOR IC ENGINES |
Non-Patent Citations (1)
Title |
---|
See also references of EP2078141A4 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008215123A (en) * | 2007-03-01 | 2008-09-18 | Toyota Motor Corp | Exhaust emission control device for internal combustion engine |
EP2251531A1 (en) * | 2008-02-19 | 2010-11-17 | Isuzu Motors, Ltd. | Fuel injection control device |
EP2251531A4 (en) * | 2008-02-19 | 2015-01-14 | Isuzu Motors Ltd | Fuel injection control device |
JP2013519842A (en) * | 2010-02-17 | 2013-05-30 | テンネコ・オートモティブ・オペレーティング・カンパニー・インコーポレイテッド | Vehicle-mounted nitrogen oxide aftertreatment system |
EP2570625A4 (en) * | 2010-05-12 | 2015-01-28 | Toyota Motor Co Ltd | Exhaust gas purification system for internal combustion engine |
EP2570625A1 (en) * | 2010-05-12 | 2013-03-20 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purification system for internal combustion engine |
EP2460991A1 (en) * | 2010-05-20 | 2012-06-06 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine exhaust gas purification device |
EP2460991A4 (en) * | 2010-05-20 | 2014-11-05 | Toyota Motor Co Ltd | Internal combustion engine exhaust gas purification device |
GB2492356A (en) * | 2011-06-28 | 2013-01-02 | Gm Global Tech Operations Inc | Exhaust gas treatment system with fuel and urea injection |
WO2015170032A1 (en) * | 2014-05-06 | 2015-11-12 | Peugeot Citroen Automobiles Sa | Motor vehicle maintaining the depollution function |
FR3020833A1 (en) * | 2014-05-06 | 2015-11-13 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE HAVING DEPOLLUTION FUNCTION |
FR3020831A1 (en) * | 2014-05-06 | 2015-11-13 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE WITH DEPOLLUTION FUNCTION AT LOW TEMPERATURES |
EP3301271A1 (en) * | 2016-09-28 | 2018-04-04 | Bayerische Motoren Werke Aktiengesellschaft | Method for purging an exhaust gas aftertreatment device |
WO2023000166A1 (en) * | 2021-07-20 | 2023-01-26 | Robert Bosch Gmbh | Exhaust after-treatment system, operating method thereof and computer program product |
Also Published As
Publication number | Publication date |
---|---|
EP2078141A2 (en) | 2009-07-15 |
BRPI0719237A2 (en) | 2014-04-29 |
CN101573512B (en) | 2013-03-06 |
CA2666333C (en) | 2015-01-27 |
CA2666333A1 (en) | 2008-04-17 |
EP2078141B1 (en) | 2015-12-09 |
CN101573512A (en) | 2009-11-04 |
KR101399049B1 (en) | 2014-05-27 |
JP2013083269A (en) | 2013-05-09 |
US8109077B2 (en) | 2012-02-07 |
KR20090077912A (en) | 2009-07-16 |
JP2010507037A (en) | 2010-03-04 |
MX2009003860A (en) | 2009-05-25 |
JP2014238095A (en) | 2014-12-18 |
EP2078141A4 (en) | 2010-12-01 |
WO2008045499A3 (en) | 2008-11-27 |
US20080087008A1 (en) | 2008-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2666333C (en) | Dual injector system for diesel emissions control | |
JP6114305B2 (en) | Exhaust aftertreatment system and method for operating the system | |
EP3444460B1 (en) | Apparatus, system and method for mitigating diesel exhaust fluid deposits and associated conditions | |
KR100919649B1 (en) | Apparatus and method to inject a reductant into an exhaust gas feedstream | |
EP3111066B1 (en) | Method and system for controlling nitrogen oxide emissions from a combustion engine | |
CN101985893B (en) | Exhaust gas treatment system | |
US8359833B2 (en) | Method for introducing a reductant into an exhaust stream | |
US6871490B2 (en) | Emissions control system for increasing selective catalytic reduction efficiency | |
US20080148717A1 (en) | Exhaust gas purifying system | |
WO2017034466A1 (en) | Exhaust treatment system and method for treatment of an exhaust gas stream | |
EP3150816B1 (en) | A method for injecting reductant into an exhaust gas of a power system using an oscillating supply pressures | |
US10807041B2 (en) | Exhaust treatment system and method for treatment of an exhaust gas stream | |
JP2016075266A (en) | Purification liquid injection system of internal combustion engine, internal combustion engine, and purification liquid injection metho of internal combustion engine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200780038145.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07852654 Country of ref document: EP Kind code of ref document: A2 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1944/CHENP/2009 Country of ref document: IN Ref document number: MX/A/2009/003860 Country of ref document: MX |
|
ENP | Entry into the national phase |
Ref document number: 2666333 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2009532405 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020097007509 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007852654 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: PI0719237 Country of ref document: BR Kind code of ref document: A2 Effective date: 20090409 |