WO2009099818A2 - Method and apparatus for regenerating an aftertreatment device for a spark-ignition direct-injection engine - Google Patents
Method and apparatus for regenerating an aftertreatment device for a spark-ignition direct-injection engine Download PDFInfo
- Publication number
- WO2009099818A2 WO2009099818A2 PCT/US2009/032180 US2009032180W WO2009099818A2 WO 2009099818 A2 WO2009099818 A2 WO 2009099818A2 US 2009032180 W US2009032180 W US 2009032180W WO 2009099818 A2 WO2009099818 A2 WO 2009099818A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine
- fuel
- lean
- during
- injecting
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/405—Multiple injections with post injections
-
- 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]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3023—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas After Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009000260T DE112009000260T5 (en) | 2008-02-01 | 2009-01-28 | Method and apparatus for regenerating a post-treatment device for a spark-ignition direct injection engine |
CN200980103773.XA CN101932805B (en) | 2008-02-01 | 2009-01-28 | The method and apparatus of the after-treatment device of regeneration spark-ignition direct-injection engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/024,616 US20090193795A1 (en) | 2008-02-01 | 2008-02-01 | Method and apparatus for regenerating an aftertreatment device for a spark-ignition direct-injection engine |
US12/024,616 | 2008-02-01 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2009099818A2 true WO2009099818A2 (en) | 2009-08-13 |
WO2009099818A8 WO2009099818A8 (en) | 2009-11-05 |
WO2009099818A3 WO2009099818A3 (en) | 2009-11-05 |
Family
ID=40930305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/032180 WO2009099818A2 (en) | 2008-02-01 | 2009-01-28 | Method and apparatus for regenerating an aftertreatment device for a spark-ignition direct-injection engine |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090193795A1 (en) |
CN (1) | CN101932805B (en) |
DE (1) | DE112009000260T5 (en) |
WO (1) | WO2009099818A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7885756B2 (en) * | 2008-08-28 | 2011-02-08 | Gm Global Technologies Operations, Inc. | Multi-pulse spark ignition direct injection torque based system |
FR2952122B1 (en) * | 2009-11-04 | 2011-12-09 | Peugeot Citroen Automobiles Sa | METHOD FOR CONTROLLING POLLUTANT EMISSIONS OF A COMBUSTION ENGINE |
US9382857B2 (en) * | 2013-12-18 | 2016-07-05 | Ford Global Technologies, Llc | Post fuel injection of gaseous fuel to reduce exhaust emissions |
DE102014224333A1 (en) * | 2014-11-28 | 2016-06-02 | Robert Bosch Gmbh | Method for injecting gaseous fuel directly into a combustion chamber of an internal combustion engine |
CN113137301B (en) * | 2020-01-16 | 2023-09-19 | 康明斯有限公司 | Hydrocarbon distribution for exhaust aftertreatment system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030121249A1 (en) * | 2001-11-30 | 2003-07-03 | Foster Michael Ralph | Engine cylinder deactivation to improve the performance of exhaust emission control systems |
US7082753B2 (en) * | 2001-12-03 | 2006-08-01 | Catalytica Energy Systems, Inc. | System and methods for improved emission control of internal combustion engines using pulsed fuel flow |
US7127883B1 (en) * | 1997-11-10 | 2006-10-31 | Mitsubishi Jidosha Kogoyo Kabushiki Kaisha | Exhaust gas purifying apparatus of internal combustion engine |
US7287372B2 (en) * | 2005-06-23 | 2007-10-30 | Caterpillar Inc. | Exhaust after-treatment system with in-cylinder addition of unburnt hydrocarbons |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6539704B1 (en) * | 2000-03-17 | 2003-04-01 | Ford Global Technologies, Inc. | Method for improved vehicle performance |
US20020007629A1 (en) * | 2000-07-21 | 2002-01-24 | Toyota Jidosha Kabushiki Kaisha | Device for purifying the exhaust gas of an internal combustion engine |
ITTO20010786A1 (en) * | 2001-08-03 | 2003-02-03 | Fiat Ricerche | SELF-PRIMING METHOD OF THE REGENERATION OF A PARTICULATE FILTER FOR A DIRECT INJECTION DIESEL ENGINE PROVIDED WITH AN INI PLANT |
JP4472932B2 (en) * | 2003-02-07 | 2010-06-02 | いすゞ自動車株式会社 | Engine combustion control device |
DE10305941A1 (en) * | 2003-02-12 | 2004-08-26 | Daimlerchrysler Ag | Ignition operating method for a spark-ignition internal combustion engine with direct fuel injection feeds combustion air to a combustion chamber to ignite a fuel-air mixture at a set time |
US7021046B2 (en) * | 2004-03-05 | 2006-04-04 | Ford Global Technologies, Llc | Engine system and method for efficient emission control device purging |
-
2008
- 2008-02-01 US US12/024,616 patent/US20090193795A1/en not_active Abandoned
-
2009
- 2009-01-28 WO PCT/US2009/032180 patent/WO2009099818A2/en active Application Filing
- 2009-01-28 CN CN200980103773.XA patent/CN101932805B/en not_active Expired - Fee Related
- 2009-01-28 DE DE112009000260T patent/DE112009000260T5/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7127883B1 (en) * | 1997-11-10 | 2006-10-31 | Mitsubishi Jidosha Kogoyo Kabushiki Kaisha | Exhaust gas purifying apparatus of internal combustion engine |
US20030121249A1 (en) * | 2001-11-30 | 2003-07-03 | Foster Michael Ralph | Engine cylinder deactivation to improve the performance of exhaust emission control systems |
US7082753B2 (en) * | 2001-12-03 | 2006-08-01 | Catalytica Energy Systems, Inc. | System and methods for improved emission control of internal combustion engines using pulsed fuel flow |
US7287372B2 (en) * | 2005-06-23 | 2007-10-30 | Caterpillar Inc. | Exhaust after-treatment system with in-cylinder addition of unburnt hydrocarbons |
Also Published As
Publication number | Publication date |
---|---|
WO2009099818A8 (en) | 2009-11-05 |
CN101932805B (en) | 2016-07-06 |
DE112009000260T5 (en) | 2011-02-03 |
US20090193795A1 (en) | 2009-08-06 |
CN101932805A (en) | 2010-12-29 |
WO2009099818A3 (en) | 2009-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6904752B2 (en) | Engine cylinder deactivation to improve the performance of exhaust emission control systems | |
US8443587B2 (en) | Method for exhaust aftertreatment in an internal combustion engine | |
US6857264B2 (en) | Exhaust emission aftertreatment | |
US7565892B1 (en) | Method and apparatus for controlling mode transition in a spark-ignition direct-injection internal combustion engine | |
US8291695B2 (en) | Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine | |
US8091348B2 (en) | Method and apparatus for exhaust aftertreatment in an internal combustion engine | |
US8381512B2 (en) | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | |
US8393140B2 (en) | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | |
US8448423B2 (en) | Method and apparatus for controlling operation of a spark-ignition direct-injection engine | |
US8302379B2 (en) | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | |
US7111452B2 (en) | Control device of hydrogen engine | |
WO2003048533A1 (en) | Engine cylinder deactivation to improve the performance of exhaust emission control systems | |
US20100293926A1 (en) | HYDROCARBON SELECTIVE CATALYTIC REDUCTION FOR NOx CONTROL WITH GASOLINE-FUELED SPARK IGNITION ENGINES USING ENGINE-OUT HYDROCARBONS | |
US8001768B2 (en) | Method and apparatus for managing an exhaust gas feedstream for a spark-ignition direct-injection engine | |
US20130340408A1 (en) | Technique to diagnose and control ammonia generation from a twc for passive ammonia scr operation | |
EP2591222B1 (en) | Fuel injection control of an internal combustion engine | |
US20090193795A1 (en) | Method and apparatus for regenerating an aftertreatment device for a spark-ignition direct-injection engine | |
US9512793B2 (en) | Combustion driven ammonia generation strategies for passive ammonia SCR system | |
US20090199547A1 (en) | Method and apparatus for exhaust aftertreatment in a spark-ignition direct-injection internal combustion engine | |
JP2001159362A (en) | Exhaust emission control device for engine | |
JP2003148140A (en) | Exhaust emission control device for engine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980103773.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09707956 Country of ref document: EP Kind code of ref document: A2 |
|
RET | De translation (de og part 6b) |
Ref document number: 112009000260 Country of ref document: DE Date of ref document: 20110203 Kind code of ref document: P |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 09707956 Country of ref document: EP Kind code of ref document: A2 |