GB2598696B - Systems and methods for mixing exhaust gases and reductant in an aftertreatment system - Google Patents
Systems and methods for mixing exhaust gases and reductant in an aftertreatment system Download PDFInfo
- Publication number
- GB2598696B GB2598696B GB2117927.0A GB202117927A GB2598696B GB 2598696 B GB2598696 B GB 2598696B GB 202117927 A GB202117927 A GB 202117927A GB 2598696 B GB2598696 B GB 2598696B
- Authority
- GB
- United Kingdom
- Prior art keywords
- reductant
- systems
- methods
- exhaust gases
- aftertreatment system
- 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.)
- Active
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
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- 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
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2019/054988 WO2020250015A1 (en) | 2019-06-14 | 2019-06-14 | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB202117927D0 GB202117927D0 (en) | 2022-01-26 |
GB2598696A GB2598696A (en) | 2022-03-09 |
GB2598696B true GB2598696B (en) | 2022-08-24 |
Family
ID=67107930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2117927.0A Active GB2598696B (en) | 2019-06-14 | 2019-06-14 | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN113950571B (en) |
BR (1) | BR112021025076A2 (en) |
DE (1) | DE112019007452B4 (en) |
GB (1) | GB2598696B (en) |
WO (1) | WO2020250015A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024049811A1 (en) * | 2022-09-02 | 2024-03-07 | Cummins Emission Solutions Inc. | Exhaust aftertreatment system including mixer with injector cone |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2769762A1 (en) * | 2013-02-21 | 2014-08-27 | Toyota Jidosha Kabushiki Kaisha | Dispersion plate and dispersion apparatus |
US20180078912A1 (en) * | 2016-09-16 | 2018-03-22 | GM Global Technology Operations LLC | Low pressure drop swirling flow mixer |
WO2018226626A1 (en) * | 2017-06-06 | 2018-12-13 | Cummins Emission Solutions Inc. | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015103425B3 (en) * | 2015-03-09 | 2016-05-19 | Tenneco Gmbh | mixing device |
US10443477B2 (en) * | 2017-04-25 | 2019-10-15 | Tenneco Automotive Operating Company Inc. | Counter-swirl mixer |
US10138789B1 (en) * | 2017-07-18 | 2018-11-27 | GM Global Technology Operations LLC | Exhaust gas treatment systems utilizing a plurality of reduced-resistance mixers |
-
2019
- 2019-06-14 BR BR112021025076A patent/BR112021025076A2/en unknown
- 2019-06-14 CN CN201980097368.5A patent/CN113950571B/en active Active
- 2019-06-14 DE DE112019007452.0T patent/DE112019007452B4/en active Active
- 2019-06-14 WO PCT/IB2019/054988 patent/WO2020250015A1/en active Application Filing
- 2019-06-14 GB GB2117927.0A patent/GB2598696B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2769762A1 (en) * | 2013-02-21 | 2014-08-27 | Toyota Jidosha Kabushiki Kaisha | Dispersion plate and dispersion apparatus |
US20180078912A1 (en) * | 2016-09-16 | 2018-03-22 | GM Global Technology Operations LLC | Low pressure drop swirling flow mixer |
WO2018226626A1 (en) * | 2017-06-06 | 2018-12-13 | Cummins Emission Solutions Inc. | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
Also Published As
Publication number | Publication date |
---|---|
GB2598696A (en) | 2022-03-09 |
GB202117927D0 (en) | 2022-01-26 |
DE112019007452B4 (en) | 2023-09-28 |
DE112019007452T5 (en) | 2022-02-24 |
BR112021025076A2 (en) | 2022-02-01 |
CN113950571A (en) | 2022-01-18 |
CN113950571B (en) | 2022-11-18 |
WO2020250015A1 (en) | 2020-12-17 |
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