DE69701525T2 - Katalysator für verbrennungsmotor mit verbrennung eines mageren gemisches - Google Patents
Katalysator für verbrennungsmotor mit verbrennung eines mageren gemischesInfo
- Publication number
- DE69701525T2 DE69701525T2 DE69701525T DE69701525T DE69701525T2 DE 69701525 T2 DE69701525 T2 DE 69701525T2 DE 69701525 T DE69701525 T DE 69701525T DE 69701525 T DE69701525 T DE 69701525T DE 69701525 T2 DE69701525 T2 DE 69701525T2
- Authority
- DE
- Germany
- Prior art keywords
- combustion
- engine catalyst
- combustion engine
- large mixture
- catalyst
- 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
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
-
- 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
-
- 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
- F01N3/0878—Bypassing absorbents or adsorbents
-
- 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
- F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/908—O2-storage component incorporated in the catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
-
- 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
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, 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
- F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
-
- 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
- F01N2570/16—Oxygen
-
- 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
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9612025A GB2313796A (en) | 1996-06-08 | 1996-06-08 | Catalytic converter for a lean burn engine |
PCT/GB1997/001210 WO1997047863A1 (en) | 1996-06-08 | 1997-05-02 | Catalytic converter for a lean burn engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69701525D1 DE69701525D1 (de) | 2000-04-27 |
DE69701525T2 true DE69701525T2 (de) | 2000-07-20 |
Family
ID=10794987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69701525T Expired - Fee Related DE69701525T2 (de) | 1996-06-08 | 1997-05-02 | Katalysator für verbrennungsmotor mit verbrennung eines mageren gemisches |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0902861B1 (de) |
JP (1) | JP2001509853A (de) |
DE (1) | DE69701525T2 (de) |
GB (1) | GB2313796A (de) |
WO (1) | WO1997047863A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3237611B2 (ja) * | 1997-11-11 | 2001-12-10 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
FR2775498B1 (fr) * | 1998-02-27 | 2000-04-07 | Inst Francais Du Petrole | Procede de traitement des gaz d'echappement d'un moteur a combustion interne et ligne d'echappement associee |
JP3370957B2 (ja) | 1998-09-18 | 2003-01-27 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
GB0003405D0 (en) | 2000-02-15 | 2000-04-05 | Johnson Matthey Plc | Improvements in emissions control |
US7311066B1 (en) | 2000-05-22 | 2007-12-25 | Wbip, Llc | Controlling exhaust temperatures |
JP2002188432A (ja) * | 2000-12-19 | 2002-07-05 | Isuzu Motors Ltd | ディーゼルエンジンの排気浄化装置 |
US6799422B2 (en) | 2002-08-22 | 2004-10-05 | Westerbeke Corporation | Emissions control |
EP1495796B1 (de) * | 2003-07-09 | 2006-09-20 | Hochschule Rapperswil, Institut für angewandte Umwelttechnik | Verringerung der Stickstoffdioxid-emission bei kontinuierlich regenerierenden Russpartikelnfiltern |
EP1697620A4 (de) | 2003-10-27 | 2008-11-12 | Wbip Llc | Motorsteuersystem für verringerte abgasemissionen |
US7363758B2 (en) | 2004-11-09 | 2008-04-29 | Ford Global Technologies, Llc | Lean burn engine control NOx purging based on positional loading of oxidants in emission control device |
US7870724B2 (en) | 2004-11-09 | 2011-01-18 | Ford Global Technologies, Llc | Lean NOx trap with PGM zoned axially |
JP4525487B2 (ja) * | 2005-06-24 | 2010-08-18 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
US7718150B2 (en) | 2007-04-17 | 2010-05-18 | Ford Global Technologies, Llc | Reverse platinum group metal zoned lean NOx trap system and method of use |
JP7125664B2 (ja) * | 2018-04-05 | 2022-08-25 | スズキ株式会社 | 排気浄化装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6470131A (en) * | 1987-09-10 | 1989-03-15 | Mazda Motor | Catalyst for purifying exhaust gas |
JPH05231140A (ja) * | 1992-02-18 | 1993-09-07 | Mitsubishi Motors Corp | 排気ガス浄化装置 |
JP2605579B2 (ja) * | 1993-05-31 | 1997-04-30 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JPH0893459A (ja) * | 1994-09-20 | 1996-04-09 | Nissan Motor Co Ltd | エンジンの排気浄化装置 |
-
1996
- 1996-06-08 GB GB9612025A patent/GB2313796A/en not_active Withdrawn
-
1997
- 1997-05-02 DE DE69701525T patent/DE69701525T2/de not_active Expired - Fee Related
- 1997-05-02 JP JP50133298A patent/JP2001509853A/ja active Pending
- 1997-05-02 WO PCT/GB1997/001210 patent/WO1997047863A1/en active IP Right Grant
- 1997-05-02 EP EP97920820A patent/EP0902861B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0902861A1 (de) | 1999-03-24 |
DE69701525D1 (de) | 2000-04-27 |
EP0902861B1 (de) | 2000-03-22 |
GB2313796A (en) | 1997-12-10 |
GB9612025D0 (en) | 1996-08-07 |
WO1997047863A1 (en) | 1997-12-18 |
JP2001509853A (ja) | 2001-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FORD-WERKE GMBH, 50735 KOELN, DE Owner name: FORD FRANCE S.A., RUEIL-MALMAISON, FR Owner name: FORD MOTOR CO. LTD., BRENTWOOD, ESSEX, GB |
|
8339 | Ceased/non-payment of the annual fee |