WO2011069030A1 - Mitigating potential for urea deposit formation in engine exhaust - Google Patents
Mitigating potential for urea deposit formation in engine exhaust Download PDFInfo
- Publication number
- WO2011069030A1 WO2011069030A1 PCT/US2010/058824 US2010058824W WO2011069030A1 WO 2011069030 A1 WO2011069030 A1 WO 2011069030A1 US 2010058824 W US2010058824 W US 2010058824W WO 2011069030 A1 WO2011069030 A1 WO 2011069030A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- exhaust gas
- exhaust system
- set forth
- engine
- exhaust
- 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
- F01N3/18—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
- 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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- 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
- F01N2240/20—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 flow director or deflector
-
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
-
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
-
- 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
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800546449A CN102639828A (en) | 2009-12-04 | 2010-12-03 | Mitigating potential for urea deposit formation in engine exhaust |
EP10835164A EP2507487A1 (en) | 2009-12-04 | 2010-12-03 | Mitigating potential for urea deposit formation in engine exhaust |
AU2010325892A AU2010325892A1 (en) | 2009-12-04 | 2010-12-03 | Mitigating potential for urea deposit formation in engine exhaust |
BR112012013486A BR112012013486A2 (en) | 2009-12-04 | 2010-12-03 | potential attenuation for urea deposit formation in engine discharge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/631,228 | 2009-12-04 | ||
US12/631,228 US20110131958A1 (en) | 2009-12-04 | 2009-12-04 | System and method for mitigating potential for formation of urea deposits in an engine exhaust system during cold ambient conditions |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011069030A1 true WO2011069030A1 (en) | 2011-06-09 |
Family
ID=44080619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2010/058824 WO2011069030A1 (en) | 2009-12-04 | 2010-12-03 | Mitigating potential for urea deposit formation in engine exhaust |
Country Status (7)
Country | Link |
---|---|
US (1) | US20110131958A1 (en) |
EP (1) | EP2507487A1 (en) |
CN (1) | CN102639828A (en) |
AR (1) | AR079262A1 (en) |
AU (1) | AU2010325892A1 (en) |
BR (1) | BR112012013486A2 (en) |
WO (1) | WO2011069030A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014051605A1 (en) * | 2012-09-28 | 2014-04-03 | Faurecia Emissions Control Technologies | Exhaust system mixer with impactor |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8822887B2 (en) | 2010-10-27 | 2014-09-02 | Shaw Arrow Development, LLC | Multi-mode heater for a diesel emission fluid tank |
MY185231A (en) | 2012-03-02 | 2021-04-30 | Continental Automotive Gmbh | Device for exhaust purification |
US9091189B2 (en) | 2012-07-13 | 2015-07-28 | Cummins Ip, Inc. | Method and system for mitigating urea deposits within an SCR catalyst system |
US9074511B2 (en) * | 2012-11-16 | 2015-07-07 | Continental Automotive Systems, Inc. | Reductant delivery unit for SCR systems having improved deposit resistance |
EP2975234B1 (en) * | 2013-03-15 | 2019-04-24 | Yanmar Co., Ltd. | Engine device |
JP2015028312A (en) * | 2013-07-30 | 2015-02-12 | トヨタ自動車株式会社 | Exhaust emission control device for internal combustion engine |
USD729722S1 (en) | 2014-05-28 | 2015-05-19 | Shaw Development LLC | Diesel emissions fluid tank floor |
USD729141S1 (en) | 2014-05-28 | 2015-05-12 | Shaw Development LLC | Diesel emissions fluid tank |
GB2548528B (en) | 2015-01-09 | 2021-02-10 | Cummins Emission Solutions Inc | Selective catalytic reduction with integrated decomposition chamber with exhaust flow swirl generating design |
CN106468202A (en) * | 2015-08-17 | 2017-03-01 | 上海柴油机股份有限公司 | A kind of diesel engine after treatment crystallization-preventive heating and mixing device |
US20180306081A1 (en) * | 2015-10-30 | 2018-10-25 | Continental Automotive Gmbh | Fluid Injection System |
SE539834C2 (en) * | 2016-04-11 | 2017-12-12 | Scania Cv Ab | An injection arrangement for injection of a urea solution into an exhaust gas passage |
CN108729990A (en) * | 2017-04-20 | 2018-11-02 | 北华航天工业学院 | A kind of diesel engine after treatment heating and mixing device of anti-urea crystals |
US10337380B2 (en) | 2017-07-07 | 2019-07-02 | Faurecia Emissions Control Technologies, Usa, Llc | Mixer for a vehicle exhaust system |
US10577995B2 (en) | 2017-08-25 | 2020-03-03 | Faurecia Emissions Control Technologies, Usa, Llc | Double wall mixer with active heat transfer |
US11181027B2 (en) | 2018-04-02 | 2021-11-23 | Cummins Emission Solutions Inc. | Aftertreatment system including noise reducing components |
US10316721B1 (en) | 2018-04-23 | 2019-06-11 | Faurecia Emissions Control Technologies, Usa, Llc | High efficiency mixer for vehicle exhaust system |
US10287948B1 (en) | 2018-04-23 | 2019-05-14 | Faurecia Emissions Control Technologies, Usa, Llc | High efficiency mixer for vehicle exhaust system |
DE112018007799T5 (en) | 2018-07-03 | 2021-03-25 | Cummins Emission Solutions Inc. | DECOMPOSITION REACTOR WITH BODY MIXTURE |
US10787946B2 (en) | 2018-09-19 | 2020-09-29 | Faurecia Emissions Control Technologies, Usa, Llc | Heated dosing mixer |
CN112969524B (en) * | 2018-11-06 | 2022-06-28 | 康明斯排放处理公司 | System and method for reducing reductant deposit formation in a decomposition reactor of an exhaust aftertreatment system of an internal combustion engine |
US11174772B2 (en) * | 2020-02-25 | 2021-11-16 | Caterpillar Inc. | Mitigation of diesel emission fluid (DEF) deposition in exhaust system for engine |
FR3117161A1 (en) * | 2020-12-04 | 2022-06-10 | Faurecia Systemes D'echappement | Exhaust gas post-treatment device |
DE102021103234A1 (en) | 2021-02-11 | 2022-08-11 | Volkswagen Aktiengesellschaft | Process for exhaust aftertreatment of an internal combustion engine and exhaust aftertreatment system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030070424A1 (en) * | 2001-10-17 | 2003-04-17 | Verdegan Barry M. | Impactor for selective catalytic reduction system |
US20050013756A1 (en) * | 2003-05-28 | 2005-01-20 | Kiyoshi Amou | Engine exhaust gas treatment system and exhaust gas treatment process |
US20090107119A1 (en) * | 2007-10-30 | 2009-04-30 | James Joshua Driscoll | Method and system of thermal management in an exhaust system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7788907B2 (en) * | 2007-06-08 | 2010-09-07 | Ford Global Technologies, Llc | Exhaust injector spray target |
US7814745B2 (en) * | 2007-07-17 | 2010-10-19 | Ford Global Technologies, Llc | Approach for delivering a liquid reductant into an exhaust flow of a fuel burning engine |
DE102007057837A1 (en) * | 2007-11-30 | 2009-06-04 | Bayerische Motoren Werke Aktiengesellschaft | Device for admixing a reducing agent in an exhaust gas stream of an internal combustion engine |
US8365517B2 (en) * | 2009-06-11 | 2013-02-05 | GM Global Technology Operations LLC | Apparatus and method for regenerating an exhaust filter |
-
2009
- 2009-12-04 US US12/631,228 patent/US20110131958A1/en not_active Abandoned
-
2010
- 2010-12-03 EP EP10835164A patent/EP2507487A1/en not_active Withdrawn
- 2010-12-03 AR ARP100104479A patent/AR079262A1/en unknown
- 2010-12-03 WO PCT/US2010/058824 patent/WO2011069030A1/en active Application Filing
- 2010-12-03 AU AU2010325892A patent/AU2010325892A1/en not_active Abandoned
- 2010-12-03 CN CN2010800546449A patent/CN102639828A/en active Pending
- 2010-12-03 BR BR112012013486A patent/BR112012013486A2/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030070424A1 (en) * | 2001-10-17 | 2003-04-17 | Verdegan Barry M. | Impactor for selective catalytic reduction system |
US20050013756A1 (en) * | 2003-05-28 | 2005-01-20 | Kiyoshi Amou | Engine exhaust gas treatment system and exhaust gas treatment process |
US20090107119A1 (en) * | 2007-10-30 | 2009-04-30 | James Joshua Driscoll | Method and system of thermal management in an exhaust system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014051605A1 (en) * | 2012-09-28 | 2014-04-03 | Faurecia Emissions Control Technologies | Exhaust system mixer with impactor |
US9581067B2 (en) | 2012-09-28 | 2017-02-28 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust system mixer with impactor |
Also Published As
Publication number | Publication date |
---|---|
AR079262A1 (en) | 2012-01-04 |
BR112012013486A2 (en) | 2016-05-24 |
AU2010325892A1 (en) | 2012-06-21 |
US20110131958A1 (en) | 2011-06-09 |
CN102639828A (en) | 2012-08-15 |
EP2507487A1 (en) | 2012-10-10 |
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