FR2584818A1 - Procede pour controler l'efficacite des reacteurs catalytiques et dispositif pour mettre en oeuvre le procede - Google Patents
Procede pour controler l'efficacite des reacteurs catalytiques et dispositif pour mettre en oeuvre le procede Download PDFInfo
- Publication number
- FR2584818A1 FR2584818A1 FR8607485A FR8607485A FR2584818A1 FR 2584818 A1 FR2584818 A1 FR 2584818A1 FR 8607485 A FR8607485 A FR 8607485A FR 8607485 A FR8607485 A FR 8607485A FR 2584818 A1 FR2584818 A1 FR 2584818A1
- Authority
- FR
- France
- Prior art keywords
- exhaust gases
- exhaust gas
- measurement probe
- catalytic reactor
- control device
- 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.)
- Pending
Links
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 76
- 239000000523 sample Substances 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 40
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 125000004122 cyclic group Chemical group 0.000 claims description 16
- 230000000737 periodic effect Effects 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 241000238876 Acari Species 0.000 claims description 3
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- -1 oxy- Chemical class 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
- F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/085—Safety, indicating, or supervising devices with sensors measuring combustion processes, e.g. knocking, pressure, ionization, combustion flame
- F02B77/086—Sensor arrangements in the exhaust, e.g. for temperature, misfire, air/fuel ratio, oxygen sensors
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
-
- 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/02—Catalytic activity of catalytic converters
-
- 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
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
- F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
-
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (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 |
---|---|---|---|
DE3524592A DE3524592C1 (de) | 1985-07-10 | 1985-07-10 | Verfahren zur UEberpruefung der Funktionstuechtigkeit katalytischer Reaktoren und Einrichtung zur Durchfuehrung des Verfahrens |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2584818A1 true FR2584818A1 (fr) | 1987-01-16 |
Family
ID=6275391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8607485A Pending FR2584818A1 (fr) | 1985-07-10 | 1986-05-26 | Procede pour controler l'efficacite des reacteurs catalytiques et dispositif pour mettre en oeuvre le procede |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3524592C1 (de) |
FR (1) | FR2584818A1 (de) |
GB (1) | GB2177513B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3736259C2 (de) * | 1986-11-07 | 1998-01-29 | Volkswagen Ag | Einrichtung zur Ermittlung des Konvertierungsgrads eines Katalysators |
DE3830515A1 (de) * | 1988-09-08 | 1990-03-22 | Bayerische Motoren Werke Ag | Verfahren zur ueberpruefung der funktion des abgaskatalysators einer brennkraftmaschine |
DE3841685A1 (de) * | 1988-12-10 | 1990-06-13 | Daimler Benz Ag | Verfahren zur erkennung des zustandes von katalysatoren |
WO1991014855A1 (de) * | 1990-03-19 | 1991-10-03 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren und vorrichtung zur betriebsüberwachung eines katalysators einer verbrennungsmaschine |
DE4009901A1 (de) * | 1990-03-28 | 1991-10-02 | Bosch Gmbh Robert | Verfahren und vorrichtung zur ueberwachung des konvertierungsgrades eines katalysators im abgassystem einer brennkraftmaschine |
JP2600987B2 (ja) * | 1990-07-09 | 1997-04-16 | 日産自動車株式会社 | 空燃比制御装置の診断装置 |
DE4039429A1 (de) * | 1990-12-11 | 1992-06-17 | Abb Patent Gmbh | Verfahren und vorrichtung zur ueberpruefung eines katalysators |
US5228335A (en) * | 1991-02-25 | 1993-07-20 | The United States Of America As Represented By The United States Environmental Protection Agency | Method and apparatus for detection of catalyst failure on-board a motor vehicle using a dual oxygen sensor and an algorithm |
DE4112480C2 (de) * | 1991-04-17 | 2001-12-06 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Bestimmen des Alterungszustandes eines Katalysators |
FR2682993B1 (fr) * | 1991-10-28 | 1994-01-28 | Siemens Automotive Sa | Procede de surveillance de l'efficacite d'un pot catalytique de traitement des gaz d'echappement d'un moteur a combustion interne. |
JP3303981B2 (ja) * | 1991-12-20 | 2002-07-22 | 株式会社日立製作所 | エンジン排気ガス浄化装置の診断装置 |
US5848528A (en) * | 1997-08-13 | 1998-12-15 | Siemens Automotive Corporation | Optimization of closed-loop and post O2 fuel control by measuring catalyst oxygen storage capacity |
DE19910336A1 (de) * | 1999-03-09 | 2000-09-21 | Porsche Ag | Verfahren zur Überprüfung der Funktion von Katalysatoren in Brennkraftmaschinen |
DE10040517A1 (de) * | 2000-08-18 | 2002-02-28 | Bayerische Motoren Werke Ag | Verfahren zur Gemischbildung für eine Brennkraftmaschine mit einem Katalysator im Abgasstrang |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2328459A1 (de) * | 1973-01-31 | 1975-01-02 | Bosch Gmbh Robert | Einrichtung zur ueberwachung von katalytischen reaktoren in abgasentgiftungsanlagen von brennkraftmaschinen |
FR2285517A1 (fr) * | 1974-09-17 | 1976-04-16 | Bosch Gmbh Robert | Procede et installation pour controler l'activite de reacteurs catalytiques |
US4251989A (en) * | 1978-09-08 | 1981-02-24 | Nippondenso Co., Ltd. | Air-fuel ratio control system |
-
1985
- 1985-07-10 DE DE3524592A patent/DE3524592C1/de not_active Expired
-
1986
- 1986-05-26 FR FR8607485A patent/FR2584818A1/fr active Pending
- 1986-06-12 GB GB8614359A patent/GB2177513B/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2328459A1 (de) * | 1973-01-31 | 1975-01-02 | Bosch Gmbh Robert | Einrichtung zur ueberwachung von katalytischen reaktoren in abgasentgiftungsanlagen von brennkraftmaschinen |
FR2285517A1 (fr) * | 1974-09-17 | 1976-04-16 | Bosch Gmbh Robert | Procede et installation pour controler l'activite de reacteurs catalytiques |
US4251989A (en) * | 1978-09-08 | 1981-02-24 | Nippondenso Co., Ltd. | Air-fuel ratio control system |
Also Published As
Publication number | Publication date |
---|---|
GB8614359D0 (en) | 1986-07-16 |
GB2177513A (en) | 1987-01-21 |
GB2177513B (en) | 1989-08-02 |
DE3524592C1 (de) | 1986-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |