FR2785555B1 - Procede de regeneration de sulfates d'un catalyseur a accumulation nox pour moteur a combustion interne a regime pauvre - Google Patents
Procede de regeneration de sulfates d'un catalyseur a accumulation nox pour moteur a combustion interne a regime pauvreInfo
- Publication number
- FR2785555B1 FR2785555B1 FR9914148A FR9914148A FR2785555B1 FR 2785555 B1 FR2785555 B1 FR 2785555B1 FR 9914148 A FR9914148 A FR 9914148A FR 9914148 A FR9914148 A FR 9914148A FR 2785555 B1 FR2785555 B1 FR 2785555B1
- Authority
- FR
- France
- Prior art keywords
- sulphates
- nox
- regeneration
- combustion engine
- internal combustion
- 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 - Fee Related
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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9495—Controlling the catalytic process
-
- 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
- F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
-
- 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
- F02D41/028—Desulfurisation of NOx traps 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
- F02D41/1483—Proportional component
-
- 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
- F01N2570/04—Sulfur or sulfur oxides
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
- F02D41/1441—Plural sensors
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19851843A DE19851843B4 (de) | 1998-11-10 | 1998-11-10 | Verfahren zur Sulfatregeneration eines NOx-Speicherkatalysators für eine Mager-Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2785555A1 FR2785555A1 (fr) | 2000-05-12 |
FR2785555B1 true FR2785555B1 (fr) | 2002-08-16 |
Family
ID=7887326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9914148A Expired - Fee Related FR2785555B1 (fr) | 1998-11-10 | 1999-11-10 | Procede de regeneration de sulfates d'un catalyseur a accumulation nox pour moteur a combustion interne a regime pauvre |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE19851843B4 (fr) |
FR (1) | FR2785555B1 (fr) |
GB (1) | GB2344772B (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10038461B4 (de) * | 2000-08-07 | 2009-12-24 | Volkswagen Ag | Modell für einen NOx-Speicherkatalysator |
JP3791312B2 (ja) * | 2000-09-07 | 2006-06-28 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE10057936A1 (de) * | 2000-11-22 | 2002-05-23 | Volkswagen Ag | Verfahren und Vorrichtung zur Regeneration eines NOx-Speicherkatalysators |
DE10113382A1 (de) * | 2001-03-20 | 2002-10-10 | Audi Ag | Verfahren zum Aufheizen eines in Strömungsrichtung nachgeordneten Katalysators bei einem Abgasanlagensystem eines Verbrennungsmotors |
LU90795B1 (en) * | 2001-06-27 | 2002-12-30 | Delphi Tech Inc | Nox release index |
DE10139992B4 (de) * | 2001-08-16 | 2006-04-27 | Daimlerchrysler Ag | Verfahren zur Regelung der Gemischzusammensetzung für einen Ottomotor mit NOx-Speicherkatalysator während einer Regenerationsphase |
DE10156476B4 (de) * | 2001-11-16 | 2012-10-31 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Verfahren zur Erkennung der fortschreitenden Verschwefelung eines NOx-Speicherkatalysators |
JP3800080B2 (ja) * | 2001-11-30 | 2006-07-19 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE10238771B4 (de) * | 2002-08-23 | 2009-01-22 | Umicore Ag & Co. Kg | Verfahren zur Desulfatisierung eines Stickoxid-Speicherkatalysators |
JP3925357B2 (ja) * | 2002-08-30 | 2007-06-06 | いすゞ自動車株式会社 | 排気ガス浄化システムの制御方法 |
JP4288942B2 (ja) * | 2002-12-20 | 2009-07-01 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
DE10307457B4 (de) * | 2003-02-21 | 2006-10-26 | Audi Ag | Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators einer Brennkraftmaschine |
JP4415648B2 (ja) * | 2003-11-05 | 2010-02-17 | いすゞ自動車株式会社 | サルファパージ制御方法及び排気ガス浄化システム |
DE102004002291B4 (de) * | 2004-01-16 | 2010-01-07 | Audi Ag | Verfahren zum Betreiben einer Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges |
DE102004002292B4 (de) * | 2004-01-16 | 2010-08-12 | Audi Ag | Abgaskatalysator und Verfahren zum Betreiben einer Abgaskatalysatorvorrichtung |
DE102004009615B4 (de) | 2004-02-27 | 2008-03-13 | Siemens Ag | Verfahren zur Ermittlung der aktuellen Sauerstoffbeladung eines 3-Wege-Katalysators einer lambdageregelten Brennkraftmaschine |
DE102005060154B4 (de) * | 2005-12-16 | 2010-03-11 | Audi Ag | Verfahren und Vorrichtung zur Lambdaregelung einer Brennkraftmaschine |
DE102021102455A1 (de) | 2021-02-03 | 2022-08-04 | Audi Aktiengesellschaft | Verfahren zum Betreiben einer Antriebseinrichtung sowie entsprechende Antriebseinrichtung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1952165C3 (de) * | 1969-10-16 | 1978-06-01 | Harry 5400 Koblenz Maltusch | Rolladengurtwickler |
JP2605586B2 (ja) * | 1992-07-24 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
WO1994017291A1 (fr) * | 1993-01-19 | 1994-08-04 | Toyota Jidosha Kabushiki Kaisha | Dispositif de nettoyage de gaz d'echappement pour moteur a combustion interne |
JP3228006B2 (ja) * | 1994-06-30 | 2001-11-12 | トヨタ自動車株式会社 | 内燃機関の排気浄化要素劣化検出装置 |
US5771685A (en) * | 1996-10-16 | 1998-06-30 | Ford Global Technologies, Inc. | Method for monitoring the performance of a NOx trap |
US5743084A (en) * | 1996-10-16 | 1998-04-28 | Ford Global Technologies, Inc. | Method for monitoring the performance of a nox trap |
GB9626290D0 (en) * | 1996-12-18 | 1997-02-05 | Ford Motor Co | Method of de-sulphurating engine exhaust NOx traps |
DE19705335C1 (de) * | 1997-02-12 | 1998-09-17 | Siemens Ag | Verfahren zur Regeneration eines Speicherkatalysators |
US5983627A (en) * | 1997-09-02 | 1999-11-16 | Ford Global Technologies, Inc. | Closed loop control for desulfating a NOx trap |
US6244046B1 (en) * | 1998-07-17 | 2001-06-12 | Denso Corporation | Engine exhaust purification system and method having NOx occluding and reducing catalyst |
-
1998
- 1998-11-10 DE DE19851843A patent/DE19851843B4/de not_active Expired - Fee Related
-
1999
- 1999-11-04 GB GB9925996A patent/GB2344772B/en not_active Expired - Fee Related
- 1999-11-10 FR FR9914148A patent/FR2785555B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE19851843B4 (de) | 2005-06-09 |
GB2344772B (en) | 2002-07-31 |
GB2344772A (en) | 2000-06-21 |
FR2785555A1 (fr) | 2000-05-12 |
GB9925996D0 (en) | 2000-01-12 |
DE19851843A1 (de) | 2000-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20100730 |