KR910700402A - Lambda probe ready to detect - Google Patents
Lambda probe ready to detectInfo
- Publication number
- KR910700402A KR910700402A KR1019900702261A KR900702261A KR910700402A KR 910700402 A KR910700402 A KR 910700402A KR 1019900702261 A KR1019900702261 A KR 1019900702261A KR 900702261 A KR900702261 A KR 900702261A KR 910700402 A KR910700402 A KR 910700402A
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- probe
- lean
- comparing
- mixer
- Prior art date
Links
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
-
- 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
- F02D41/1493—Details
- F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
-
- 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
- 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)
- F02D41/148—Using a plurality of comparators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
내용 없음.No content.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 두개의 측정 채널로 프로브 전압을 검출하는 회로 다이어그램.1 is a circuit diagram for detecting probe voltage with two measurement channels.
제2도는 동작적으로 가열 람다 프로브의 결함을 검출하는 방법을 설명하기 위한 플로우 다이어그램.2 is a flow diagram for explaining a method of operatively detecting a defect of a heating lambda probe.
제3도는 냉각 람다 프로브의 동작 준비를 검출하는 방법을 설명하기 위한 플로우 다이어그램.3 is a flow diagram for explaining a method of detecting preparation for operation of a cooling lambda probe.
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3904986A DE3904986A1 (en) | 1989-02-18 | 1989-02-18 | METHOD FOR DETECTING THE READY FOR OPERATION OF A LAMBED PROBE |
DEP3904986.8 | 1989-02-18 | ||
PCT/DE1990/000032 WO1990009517A1 (en) | 1989-02-18 | 1990-01-20 | Process for checking the performance of a lambda sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
KR910700402A true KR910700402A (en) | 1991-03-15 |
Family
ID=6374397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900702261A KR910700402A (en) | 1989-02-18 | 1990-01-20 | Lambda probe ready to detect |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR910700402A (en) |
DE (1) | DE3904986A1 (en) |
WO (1) | WO1990009517A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4113316C2 (en) * | 1991-04-24 | 2003-09-11 | Bosch Gmbh Robert | Connection circuit for a lambda probe and test method for such a circuit |
DE4243493A1 (en) * | 1992-12-22 | 1994-06-23 | Bosch Gmbh Robert | Method and device for monitoring a control device |
US5325711A (en) * | 1993-07-06 | 1994-07-05 | Ford Motor Company | Air-fuel modulation for oxygen sensor monitoring |
DE19530316C1 (en) * | 1995-08-17 | 1996-09-19 | Siemens Ag | Gas sensor diagnostic method for IC engine control |
DE19828929A1 (en) * | 1998-06-29 | 2000-01-05 | Siemens Ag | Method for checking the dynamic behavior of a sensor in the exhaust tract of an internal combustion engine |
DE19900740A1 (en) * | 1999-01-12 | 2000-07-13 | Bosch Gmbh Robert | Method and device for operating an internal combustion engine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE411784B (en) * | 1975-04-18 | 1980-02-04 | Bosch Gmbh Robert | SET AND DEVICE FOR DETERMINING THE DURATION OF FUEL SUPPLY PULSE |
DE2608245C2 (en) * | 1976-02-28 | 1983-08-11 | Robert Bosch Gmbh, 7000 Stuttgart | Method and device for monitoring the operational readiness of an oxygen measuring probe |
JPS53125528A (en) * | 1977-04-08 | 1978-11-01 | Nissan Motor Co Ltd | Inspection unit for air fuel ratio controller |
DE3024607A1 (en) * | 1980-06-28 | 1982-02-04 | Robert Bosch Gmbh, 7000 Stuttgart | DEVICE FOR REGULATING THE FUEL / AIR RATIO IN INTERNAL COMBUSTION ENGINES |
JPS5751936A (en) * | 1980-09-12 | 1982-03-27 | Hitachi Ltd | Controlling and trouble discrimination initializing timing setting system for engine controller |
DE3149136A1 (en) * | 1981-12-11 | 1983-06-23 | Robert Bosch Gmbh, 7000 Stuttgart | DEVICE FOR REGULATING THE FUEL-AIR RATIO IN INTERNAL COMBUSTION ENGINES |
-
1989
- 1989-02-18 DE DE3904986A patent/DE3904986A1/en not_active Withdrawn
-
1990
- 1990-01-20 WO PCT/DE1990/000032 patent/WO1990009517A1/en unknown
- 1990-01-20 KR KR1019900702261A patent/KR910700402A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1990009517A1 (en) | 1990-08-23 |
DE3904986A1 (en) | 1990-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3906473A (en) | Method and apparatus for operating a gas sensor | |
JP4965028B2 (en) | Flame measuring device | |
KR910008910A (en) | Device for determining the state of charge of the battery | |
GB1587603A (en) | Method and device for monitoring the operational readiness of a probe | |
US5140535A (en) | Process, use of the same and apparatus for lambda value detection | |
KR890013470A (en) | In-cylinder pressure detection device of internal combustion engine | |
KR900000693A (en) | Temperature Detection Circuit and Control Method of Automatic Bread Maker | |
KR920020219A (en) | Measurement system and fault detection system | |
KR840005011A (en) | Half a year | |
KR910700402A (en) | Lambda probe ready to detect | |
US4123934A (en) | Bridge circuit arrangement for a gas detection instrument | |
KR860006307A (en) | Secondary conductor monitoring device of resistance welding machine control system | |
KR910002093A (en) | Inverter output voltage error correction device | |
KR910014697A (en) | Catalyst Purification Rate Detection Device | |
JPS552932A (en) | Air-fuel ratio detector | |
KR970016327A (en) | Polarity discrimination method using output signal of steam sensor | |
KR950019451A (en) | Defrosting Control Device and Control Method of Microwave Oven | |
JPS57168117A (en) | Liquid level detecting device | |
SU788003A1 (en) | Flow rate measuring method | |
JPH0437334B2 (en) | ||
RU2025722C1 (en) | Device for detecting combustible gas leak | |
KR960005525Y1 (en) | Auto-indication device of engine oil exchange time for a car | |
KR900002065A (en) | How to detect temperature in microwave | |
SU1010567A2 (en) | Device for measuring resistance increment | |
KR880012992A (en) | Water level detection circuit of electrode |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |