RU93005065A - METHOD FOR MONITORING THE CONDITION OF A CATALYST THROUGH WHICH A CATALYZED LIQUID IS EXISTING - Google Patents
METHOD FOR MONITORING THE CONDITION OF A CATALYST THROUGH WHICH A CATALYZED LIQUID IS EXISTINGInfo
- Publication number
- RU93005065A RU93005065A RU93005065/06A RU93005065A RU93005065A RU 93005065 A RU93005065 A RU 93005065A RU 93005065/06 A RU93005065/06 A RU 93005065/06A RU 93005065 A RU93005065 A RU 93005065A RU 93005065 A RU93005065 A RU 93005065A
- Authority
- RU
- Russia
- Prior art keywords
- catalyst
- temperature
- along
- condition
- average temperature
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 8
- 239000007788 liquid Substances 0.000 title claims 2
- 238000005259 measurement Methods 0.000 claims 2
- 230000032683 aging Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000000875 corresponding Effects 0.000 claims 1
Claims (1)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4027207A DE4027207A1 (en) | 1990-08-28 | 1990-08-28 | MONITORING THE CATALYTIC ACTIVITY OF A CATALYST IN THE EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE |
DEP4027207.9 | 1990-08-28 | ||
DEP4032721.3 | 1990-10-15 | ||
DE4032721A DE4032721A1 (en) | 1990-10-15 | 1990-10-15 | MONITORING THE FUNCTION OF A CATALYZER FLOWING FROM A CATALYZABLE FLUID |
PCT/EP1991/001583 WO1992003643A1 (en) | 1990-08-28 | 1991-08-20 | Monitoring of the catalytic activity of a catalytic converter through which a catalysable fluid flows |
Publications (2)
Publication Number | Publication Date |
---|---|
RU93005065A true RU93005065A (en) | 1995-04-30 |
RU2094624C1 RU2094624C1 (en) | 1997-10-27 |
Family
ID=25896308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU93005065/06A RU2094624C1 (en) | 1990-08-28 | 1991-08-20 | Method of control of condition of catalyzer and catalyzer |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0545976B1 (en) |
JP (1) | JP2523462B2 (en) |
KR (1) | KR100196616B1 (en) |
BR (1) | BR9106797A (en) |
DE (1) | DE59100961D1 (en) |
ES (1) | ES2048017T3 (en) |
RU (1) | RU2094624C1 (en) |
WO (1) | WO1992003643A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9224145D0 (en) * | 1992-11-18 | 1993-01-06 | Graviner Ltd Kidde | Catalytic converters |
DE4308661A1 (en) * | 1993-03-18 | 1994-09-22 | Emitec Emissionstechnologie | Method and device for monitoring the function of a catalytic converter |
GB2277698A (en) * | 1993-05-08 | 1994-11-09 | Ford Motor Co | Assembling a temperature sensor in a catalytic converter |
EP0974002B1 (en) | 1997-04-09 | 2002-09-04 | Emitec Gesellschaft für Emissionstechnologie mbH | PROCESS FOR MONITORING A NOx ACCUMULATOR |
DE19714715A1 (en) * | 1997-04-09 | 1998-10-15 | Emitec Emissionstechnologie | Nitrous-oxide-accumulator monitoring system in exhaust-pipe |
JP4513629B2 (en) * | 2005-03-29 | 2010-07-28 | トヨタ自動車株式会社 | Vehicle control device |
DE502007001990D1 (en) | 2007-08-31 | 2009-12-24 | Umicore Ag & Co Kg | Method for testing the state of aging of a catalyst on board a vehicle |
GB2475318B (en) * | 2009-11-16 | 2016-08-10 | Gm Global Tech Operations Llc | Method for diagnosing a catalytic device of an engine exhaust gas after-treatment system |
CN102207015B (en) * | 2011-05-20 | 2015-02-25 | 潍柴动力股份有限公司 | Temperature prediction device and method for selective catalytic reduction (SCR) catalytic converter |
JP6142468B2 (en) * | 2012-06-01 | 2017-06-07 | トヨタ自動車株式会社 | Catalyst protection device for internal combustion engine |
JP5849858B2 (en) * | 2012-06-01 | 2016-02-03 | トヨタ自動車株式会社 | Catalyst protection device for internal combustion engine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2351828A1 (en) * | 1973-10-16 | 1975-04-24 | Volkswagenwerk Ag | Vehicle engine catalytic exhaust purifier - has catalytic temperature sensor downstream of reactor to monitor reactor failure |
JPS5134935A (en) * | 1974-09-20 | 1976-03-25 | Nippon Kokan Kk | SEIDENTOYUS OCHI |
DE2643739C2 (en) * | 1976-09-29 | 1986-03-13 | Robert Bosch Gmbh, 7000 Stuttgart | Method for monitoring the activity of catalytic converters for exhaust gas purification |
IT1187855B (en) * | 1986-01-14 | 1987-12-23 | Fiat Auto Spa | PROTECTIVE DEVICE FOR THE CATALYST OF A CATALYTIC EXHAUST FOR VEHICLES |
DE3710268A1 (en) * | 1987-03-28 | 1988-10-06 | Phywe Systeme Gmbh | METHOD FOR MONITORING THE FUNCTION OF CATALYSTS |
WO1990006432A1 (en) * | 1988-12-03 | 1990-06-14 | Robert Bosch Gmbh | Engine exhaust system |
JPH0621552B2 (en) * | 1989-02-13 | 1994-03-23 | いすゞ自動車株式会社 | Reburner for particulate trap |
-
1991
- 1991-08-20 JP JP3513562A patent/JP2523462B2/en not_active Expired - Lifetime
- 1991-08-20 WO PCT/EP1991/001583 patent/WO1992003643A1/en not_active Application Discontinuation
- 1991-08-20 BR BR919106797A patent/BR9106797A/en not_active IP Right Cessation
- 1991-08-20 EP EP91914771A patent/EP0545976B1/en not_active Expired - Lifetime
- 1991-08-20 DE DE91914771T patent/DE59100961D1/en not_active Expired - Fee Related
- 1991-08-20 RU RU93005065/06A patent/RU2094624C1/en not_active IP Right Cessation
- 1991-08-20 KR KR1019930700575A patent/KR100196616B1/en not_active IP Right Cessation
- 1991-08-20 ES ES91914771T patent/ES2048017T3/en not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7722813B2 (en) | Urea concentration identification device for urea solution | |
EP1752762B1 (en) | Liquid type identifying method and liquid type identifying device | |
RU93005065A (en) | METHOD FOR MONITORING THE CONDITION OF A CATALYST THROUGH WHICH A CATALYZED LIQUID IS EXISTING | |
US7829024B2 (en) | Urea concentration identification device for urea solution | |
US8152369B2 (en) | Method and apparatus for determining temperature in a gas feedstream | |
KR100270151B1 (en) | Method for checking functional efficiency of exhaust gas catalyst | |
DE59902709D1 (en) | Device for reducing the NOx content in the exhaust gas of an internal combustion engine | |
JPH1181995A (en) | Catalyst monitor | |
FR2585767B1 (en) | METHOD FOR DETECTING THE AGING STATE OF AN EXHAUST GAS CATALYST IN AN INTERNAL COMBUSTION ENGINE PROVIDED WITH L-PROBE AIR-FUEL RATIO | |
KR950703117A (en) | PROCESS FOR MONITORING THE OPERATION OF A CATALYTIC CONVERTER | |
US5216881A (en) | Arrangement for determining the engine speed and an additional operating characteristic variable of an internal combustion engine by means of a sensor | |
DE69713649D1 (en) | Device for determining the deterioration of a three-way catalytic converter for an internal combustion engine | |
US6691553B2 (en) | Gas sensor protective shield | |
KR930701686A (en) | How to Monitor Catalytic Activity of Catalytic Converters Through Catalytic Fluids | |
US6085575A (en) | Process for the determination of the exhaust gas temperature and of the air/fuel ratio lambda and a sensor arrangement for execution of the process | |
KR19990037001A (en) | Methods for determining exhaust gas temperature and air-fuel ratio lambda and sensor arrangements for implementing such methods | |
MXPA02008499A (en) | Exhaust port gasket with cylinder-specific electronic oxygen sensors. | |
Freestone et al. | The diagnosis of cylinder power faults in diesel engines by flywheel speed measurement | |
KR950703118A (en) | Device for crankshaft-synchronous detection of periodically changing variable | |
FR2624965B1 (en) | OPERATING DEVICE FOR THE LAMBDA PROBE MEASUREMENT SIGNAL, ARRANGED IN THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE, FREE OF DISTURBANCE | |
JPH0416757A (en) | Apparatus for diagnosing deterioration of oxygen sensor | |
JP3564064B2 (en) | Diagnosis device for engine exhaust gas purification device | |
SU1084644A1 (en) | Method of evaluating technological condition of internal combustion engine carburettor | |
JP2837690B2 (en) | Oxygen sensor abnormality detection device | |
Chiavola | Combustion anomalies detection in SI engines from exhaust pressure signal processing |