GB8614359D0 - Testing functional effectiveness of catalytic reactor - Google Patents
Testing functional effectiveness of catalytic reactorInfo
- Publication number
- GB8614359D0 GB8614359D0 GB868614359A GB8614359A GB8614359D0 GB 8614359 D0 GB8614359 D0 GB 8614359D0 GB 868614359 A GB868614359 A GB 868614359A GB 8614359 A GB8614359 A GB 8614359A GB 8614359 D0 GB8614359 D0 GB 8614359D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- catalytic reactor
- functional effectiveness
- testing functional
- testing
- effectiveness
- 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.)
- Granted
Links
- 230000003197 catalytic effect Effects 0.000 title 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 (en) | 1985-07-10 | 1985-07-10 | Process for checking the functionality of catalytic reactors and device for carrying out the process |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8614359D0 true GB8614359D0 (en) | 1986-07-16 |
GB2177513A GB2177513A (en) | 1987-01-21 |
GB2177513B GB2177513B (en) | 1989-08-02 |
Family
ID=6275391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8614359A Expired GB2177513B (en) | 1985-07-10 | 1986-06-12 | Process for testing the functional effectiveness of a catalytic reactor, and a device for operating the process |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3524592C1 (en) |
FR (1) | FR2584818A1 (en) |
GB (1) | GB2177513B (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3736259C2 (en) * | 1986-11-07 | 1998-01-29 | Volkswagen Ag | Device for determining the degree of conversion of a catalytic converter |
DE3830515A1 (en) * | 1988-09-08 | 1990-03-22 | Bayerische Motoren Werke Ag | Method for checking the functioning of the exhaust catalyser of an internal combustion engine |
DE3841685A1 (en) * | 1988-12-10 | 1990-06-13 | Daimler Benz Ag | METHOD FOR DETECTING THE CONDITION OF CATALYSTS |
EP0521052B1 (en) * | 1990-03-19 | 1994-01-26 | Emitec Gesellschaft für Emissionstechnologie mbH | Process and device for monitoring the performance of a catalyst in an internal combustion engine |
DE4009901A1 (en) * | 1990-03-28 | 1991-10-02 | Bosch Gmbh Robert | METHOD AND DEVICE FOR MONITORING THE CONVERSION LEVEL OF A CATALYST IN THE EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE |
JP2600987B2 (en) * | 1990-07-09 | 1997-04-16 | 日産自動車株式会社 | Diagnosis device for air-fuel ratio control device |
DE4039429A1 (en) * | 1990-12-11 | 1992-06-17 | Abb Patent Gmbh | METHOD AND DEVICE FOR CHECKING A CATALYST |
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 (en) * | 1991-04-17 | 2001-12-06 | Bosch Gmbh Robert | Method and device for determining the aging condition of a catalyst |
FR2682993B1 (en) * | 1991-10-28 | 1994-01-28 | Siemens Automotive Sa | METHOD FOR MONITORING THE EFFICIENCY OF A CATALYTIC EXHAUST TREATMENT POT OF AN INTERNAL COMBUSTION ENGINE. |
JP3303981B2 (en) * | 1991-12-20 | 2002-07-22 | 株式会社日立製作所 | Diagnosis device for engine exhaust gas purification device |
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 (en) * | 1999-03-09 | 2000-09-21 | Porsche Ag | Process for checking the function of catalysts in internal combustion engines |
DE10040517A1 (en) * | 2000-08-18 | 2002-02-28 | Bayerische Motoren Werke Ag | Method for mixture formation for an internal combustion engine with a catalyst in the exhaust system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2328459A1 (en) * | 1973-01-31 | 1975-01-02 | Bosch Gmbh Robert | System for checking activity of catalytic reactors - signals bad functioning of such reactors and causes engine to run unstable |
DE2444334A1 (en) * | 1974-09-17 | 1976-03-25 | Bosch Gmbh Robert | METHOD AND EQUIPMENT FOR MONITORING THE ACTIVITY OF CATALYTIC REACTORS |
JPS5537562A (en) * | 1978-09-08 | 1980-03-15 | Nippon Denso Co Ltd | Air-fuel ratio control system |
-
1985
- 1985-07-10 DE DE3524592A patent/DE3524592C1/en not_active Expired
-
1986
- 1986-05-26 FR FR8607485A patent/FR2584818A1/en active Pending
- 1986-06-12 GB GB8614359A patent/GB2177513B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2584818A1 (en) | 1987-01-16 |
GB2177513A (en) | 1987-01-21 |
DE3524592C1 (en) | 1986-09-25 |
GB2177513B (en) | 1989-08-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB8524455D0 (en) | Monitoring activity of peripheral devices | |
DE3564082D1 (en) | Catalyst for oxyhalogenation and condensation of alkanes | |
GB8617391D0 (en) | Determination of ageing condition of exhaust-gas catalyst | |
GB8614477D0 (en) | Preparation of catalyst | |
GB8608161D0 (en) | Reactor | |
DE3567106D1 (en) | Device for regeneration of electroanalytical probes | |
DK107287D0 (en) | fluidized-bed reactor | |
GB8529910D0 (en) | Catalytic conversion of olefins | |
JPS6438052A (en) | Ammoxidation of paraffin and catalyst system therefor | |
GB8614359D0 (en) | Testing functional effectiveness of catalytic reactor | |
GB8623341D0 (en) | Denitration of nitrate solution | |
EG18249A (en) | Process and catalyst for the digomerization of olefins | |
GB8612723D0 (en) | Rejuvenition of deactivated catalyst | |
PH23583A (en) | Microencapsulated agent of ethoprophos | |
GB8608825D0 (en) | Catalyst supports | |
KR860004652A (en) | Passivation of metal-contaminated decomposition catalysts | |
GB8515398D0 (en) | Catalytic conversion of liquid/gas | |
GB8614043D0 (en) | Combustion reactor | |
PL257505A1 (en) | Carrier matrix for catalytic compounds and method of obtaining such carrier matrix | |
NZ211790A (en) | Increasing activity of aluminium phosphate catalyst | |
GB8611054D0 (en) | Measuring activity of constituent of medium | |
GB8519321D0 (en) | Catalyst | |
GB8500107D0 (en) | Catalytic reaction | |
NZ216422A (en) | Catalytic dehydrogenation of hydrocarbons | |
GB8602718D0 (en) | Catalyst supports |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |