DE69506576T2 - Verfahren zur erhöhung des wirkungsgrades eines katalysators eines dieselmotors - Google Patents
Verfahren zur erhöhung des wirkungsgrades eines katalysators eines dieselmotorsInfo
- Publication number
- DE69506576T2 DE69506576T2 DE69506576T DE69506576T DE69506576T2 DE 69506576 T2 DE69506576 T2 DE 69506576T2 DE 69506576 T DE69506576 T DE 69506576T DE 69506576 T DE69506576 T DE 69506576T DE 69506576 T2 DE69506576 T2 DE 69506576T2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- increasing
- efficiency
- diesel engine
- diesel
- 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.)
- Expired - Lifetime
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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
-
- 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
- F02D41/3809—Common rail control systems
- F02D41/3827—Common rail control systems for diesel engines
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/32—Air-fuel ratio control in a diesel engine
-
- 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
- F02D41/029—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 particulate filter
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT94TO000607A IT1266890B1 (it) | 1994-07-22 | 1994-07-22 | Metodo di attivazione di un catalizzatore "denox" in un motore diesel con un sistema di iniezione a collettore comune. |
PCT/IT1995/000123 WO1996003572A1 (en) | 1994-07-22 | 1995-07-21 | Method for increasing the efficiency of a catalyst in a diesel engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69506576D1 DE69506576D1 (de) | 1999-01-21 |
DE69506576T2 true DE69506576T2 (de) | 1999-07-15 |
Family
ID=11412694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69506576T Expired - Lifetime DE69506576T2 (de) | 1994-07-22 | 1995-07-21 | Verfahren zur erhöhung des wirkungsgrades eines katalysators eines dieselmotors |
Country Status (7)
Country | Link |
---|---|
US (1) | US5956942A (de) |
EP (1) | EP0784739B1 (de) |
JP (2) | JPH10504623A (de) |
DE (1) | DE69506576T2 (de) |
ES (1) | ES2127542T3 (de) |
IT (1) | IT1266890B1 (de) |
WO (1) | WO1996003572A1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6212880B1 (en) * | 1996-09-20 | 2001-04-10 | Hitachi, Ltd. | Engine control device |
SE518040C2 (sv) * | 1997-03-17 | 2002-08-20 | Volvo Lastvagnar Ab | Fyrtakts dieselmotor med katalysator |
JP3456408B2 (ja) * | 1997-05-12 | 2003-10-14 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US6213088B1 (en) * | 1997-05-26 | 2001-04-10 | Audi Ag | Method and device for operating an internal combustion engine |
FR2772425B1 (fr) * | 1997-12-17 | 2000-03-03 | Renault | Dispositif d'echappement pour moteur a combustion interne a faible taux d'emission d'oxydes d'azote et procede de reduction des oxydes d'azote emis dans les gaz d'echappement |
US5910096A (en) * | 1997-12-22 | 1999-06-08 | Ford Global Technologies, Inc. | Temperature control system for emission device coupled to direct injection engines |
DE19803807A1 (de) | 1998-01-31 | 1999-08-05 | Volkswagen Ag | Brennkraftmaschine und Verfahren zum Betreiben einer aufgeladenen Brennkraftmaschine |
FR2775316B1 (fr) * | 1998-02-24 | 2000-06-23 | Peugeot | Systeme de controle du fonctionnement d'un moteur diesel notamment de vehicule automobile |
US6269791B1 (en) * | 1998-07-22 | 2001-08-07 | Toyota Jidosha Kabushiki Kaisha | Control system for an internal combustion engine |
US6718756B1 (en) * | 1999-01-21 | 2004-04-13 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Exhaust gas purifier for use in internal combustion engine |
US6119451A (en) * | 1999-04-20 | 2000-09-19 | Regents Of The University Of California | Nitrogen oxide removal using diesel fuel and a catalyst |
US6202407B1 (en) * | 1999-04-20 | 2001-03-20 | The Regents Of The University Of California | Nox reduction system utilizing pulsed hydrocarbon injection |
SE9903525D0 (sv) | 1999-09-29 | 1999-09-29 | Volvo Ab | Förfarande vid en förbränningsmotor |
DE19959605A1 (de) * | 1999-12-10 | 2001-06-13 | Volkswagen Ag | Vorrichtung und Verfahren zur NOx- und/oder SOx-Regeneration eines NOx-Speicherkatalysators |
JP2001289093A (ja) * | 2000-03-31 | 2001-10-19 | Hitachi Ltd | 筒内噴射エンジンの排気制御装置 |
JP2001295684A (ja) * | 2000-04-13 | 2001-10-26 | Sanshin Ind Co Ltd | 筒内噴射エンジンの排気浄化方法 |
DE10029502A1 (de) * | 2000-06-21 | 2002-01-31 | Daimler Chrysler Ag | Beschleunigter Aufbau des Ladedrucks durch ein mehrstufiges Brennverfahren für Dieselmotoren |
JP3687495B2 (ja) * | 2000-06-26 | 2005-08-24 | 日産自動車株式会社 | 内燃機関の排気浄化装置 |
DE10038744A1 (de) | 2000-08-09 | 2002-02-21 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur Verringerung von Warmlaufemissionen einer direkteinspritzenden Brennkraftmaschine |
DE60006808T2 (de) * | 2000-08-21 | 2004-05-27 | Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn | Verhinderung eines frühen Ausfalls einer Abgasbehandlungsvorrichtung |
EP1182340B1 (de) * | 2000-08-22 | 2005-06-08 | Mazda Motor Corporation | Abgasreinigungssystem für eine Brennkraftmaschine |
DE50001415D1 (de) * | 2000-11-03 | 2003-04-10 | Ford Global Tech Inc | Verfahren zur Regeneration des Partikelfilters eines Dieselmotors |
US6536209B2 (en) | 2001-06-26 | 2003-03-25 | Caterpillar Inc | Post injections during cold operation |
US6901751B2 (en) | 2002-02-01 | 2005-06-07 | Cummins, Inc. | System for controlling particulate filter temperature |
US6862881B1 (en) | 2003-12-05 | 2005-03-08 | Caterpillar Inc | Method and apparatus for controlling regeneration of a particulate filter |
JP4501720B2 (ja) * | 2004-05-12 | 2010-07-14 | 株式会社デンソー | 内燃機関の排気浄化装置 |
US7533518B2 (en) * | 2005-05-12 | 2009-05-19 | Ford Global Technologies, Llc | System and method for reducing NOx emissions in an apparatus having a diesel engine |
JP4438708B2 (ja) * | 2005-07-13 | 2010-03-24 | マツダ株式会社 | エンジンの燃料噴射制御装置 |
US7363906B2 (en) * | 2005-09-30 | 2008-04-29 | Honda Motor Co., Ltd. | Control system for internal combustion engine |
US20080028750A1 (en) * | 2006-08-16 | 2008-02-07 | International Engine Intellectual Property Company, Llc | Strategy for using exhaust stroke post-injection to elevate exhaust temperature for diesel particulate filter regeneration |
US8256210B2 (en) * | 2006-12-21 | 2012-09-04 | Cummins Inc. | Flexible fuel injection for multiple modes of diesel engine exhaust aftertreatment |
US20090178396A1 (en) * | 2008-01-11 | 2009-07-16 | Cummins Inc. | EGR catalyzation with reduced EGR heating |
US9382863B2 (en) | 2013-09-18 | 2016-07-05 | Ford Global Technologies, Llc | Systems and methods for controlling ignition energy during exhaust stroke combustion of gaseous fuel to reduce turbo lag |
US9303581B2 (en) | 2013-09-18 | 2016-04-05 | Ford Global Technologies, Llc | Systems and methods for injecting gaseous fuel during an exhaust stroke to reduce turbo lag |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5786536A (en) * | 1980-11-17 | 1982-05-29 | Toyota Motor Corp | Reproduction method of particle catcher and fuel supplier for diesel engine |
EP0070619A3 (de) * | 1981-07-16 | 1984-01-04 | Johnson Matthey, Inc., | Regeneration einer Dieselabgasreinigungsvorrichtung |
US4509327A (en) * | 1983-01-27 | 1985-04-09 | Johnson Matthey, Inc. | Regenerating catalytic particulate filters and apparatus therefor |
JP2638763B2 (ja) * | 1988-07-13 | 1997-08-06 | 工業技術院長 | 圧縮着火機関の後噴射燃焼による排気浄化方法 |
JP2748686B2 (ja) * | 1990-11-16 | 1998-05-13 | トヨタ自動車株式会社 | 筒内直接噴射式火花点火機関 |
KR950004533B1 (ko) * | 1990-11-30 | 1995-05-02 | 미쯔비시 지도샤 고교 가부시끼가이샤 | 디젤엔진의 배기 가스 처리 장치 |
JPH05156993A (ja) * | 1991-12-05 | 1993-06-22 | Hino Motors Ltd | ディーゼル・エンジン |
JPH06117228A (ja) * | 1992-09-30 | 1994-04-26 | Isuzu Motors Ltd | ディーゼル機関の燃料噴射ポンプ |
EP0621400B1 (de) * | 1993-04-23 | 1999-03-31 | Daimler-Benz Aktiengesellschaft | Luftverdichtende Einspritzbrennkraftmaschine mit einer Abgasnachbehandlungseinrichtung zur Reduzierung von Stickoxiden |
-
1994
- 1994-07-22 IT IT94TO000607A patent/IT1266890B1/it active IP Right Grant
-
1995
- 1995-07-21 ES ES95926483T patent/ES2127542T3/es not_active Expired - Lifetime
- 1995-07-21 US US08/776,117 patent/US5956942A/en not_active Expired - Lifetime
- 1995-07-21 JP JP8505630A patent/JPH10504623A/ja not_active Withdrawn
- 1995-07-21 DE DE69506576T patent/DE69506576T2/de not_active Expired - Lifetime
- 1995-07-21 EP EP95926483A patent/EP0784739B1/de not_active Expired - Lifetime
- 1995-07-21 WO PCT/IT1995/000123 patent/WO1996003572A1/en active IP Right Grant
-
2006
- 2006-07-10 JP JP2006189239A patent/JP2006329205A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0784739A1 (de) | 1997-07-23 |
DE69506576D1 (de) | 1999-01-21 |
EP0784739B1 (de) | 1998-12-09 |
JPH10504623A (ja) | 1998-05-06 |
JP2006329205A (ja) | 2006-12-07 |
IT1266890B1 (it) | 1997-01-21 |
WO1996003572A1 (en) | 1996-02-08 |
ITTO940607A1 (it) | 1996-01-22 |
ES2127542T3 (es) | 1999-04-16 |
ITTO940607A0 (it) | 1994-07-22 |
US5956942A (en) | 1999-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |