GB2357854B - Detection of malfunction in gas concentration detection system - Google Patents

Detection of malfunction in gas concentration detection system

Info

Publication number: GB2357854B
Authority: GB; United Kingdom
Prior art keywords: detection; malfunction; gas concentration; detection system; concentration detection
Prior art date: 1997-04-23
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 - Lifetime

Application number

GB0107635A

Other versions

GB0107635D0 (en

GB2357854A (en

Inventor

Tomoo Kawase

Eiichi Kurokawa

Yukihiro Yamashita

Satoshi Haseda

Toshiyuki Suzuki

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Denso Corp

Original Assignee

Denso Corp

Priority date (The priority date 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 date listed.)

1997-04-23

Filing date

1998-04-20

Publication date

2001-09-12

1998-02-04 Priority claimed from JP02360098A external-priority patent/JP4110603B2/en

1998-04-20 Application filed by Denso Corp filed Critical Denso Corp

1998-04-20 Priority claimed from GB9808303A external-priority patent/GB2326716B/en

2001-05-16 Publication of GB0107635D0 publication Critical patent/GB0107635D0/en

2001-07-04 Publication of GB2357854A publication Critical patent/GB2357854A/en

2001-09-12 Application granted granted Critical

2001-09-12 Publication of GB2357854B publication Critical patent/GB2357854B/en

2018-04-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/4175—Calibrating or checking the analyser
- 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
- F02D41/1494—Control of sensor heater
- 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
- F02D41/1444—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

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Molecular Biology (AREA)
Electrochemistry (AREA)
Physics & Mathematics (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

GB0107635A 1997-04-23 1998-04-20 Detection of malfunction in gas concentration detection system Expired - Lifetime GB2357854B (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP10596697		1997-04-23
JP10615997		1997-04-23
JP02360098A JP4110603B2 (en)	1997-04-23	1998-02-04	Failure determination device for heater control system used in gas concentration sensor
GB9808303A GB2326716B (en)	1997-04-23	1998-04-20	Detection of malfunction in gas concentration detection system

Publications (3)

Publication Number	Publication Date
GB0107635D0 GB0107635D0 (en)	2001-05-16
GB2357854A GB2357854A (en)	2001-07-04
GB2357854B true GB2357854B (en)	2001-09-12

Family

ID=27451774

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0107635A Expired - Lifetime GB2357854B (en)	1997-04-23	1998-04-20	Detection of malfunction in gas concentration detection system

Country Status (1)

Country	Link
GB (1)	GB2357854B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2301901A (en) *	1995-06-05	1996-12-18	Nippon Denso Co	Diagnosing degradation of a limiting current oxygen sensor.

1998
- 1998-04-20 GB GB0107635A patent/GB2357854B/en not_active Expired - Lifetime

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2301901A (en) *	1995-06-05	1996-12-18	Nippon Denso Co	Diagnosing degradation of a limiting current oxygen sensor.

Also Published As

Publication number	Publication date
GB0107635D0 (en)	2001-05-16
GB2357854A (en)	2001-07-04

Publication	Publication Date	Title
GB2326716B (en)	2001-09-12	Detection of malfunction in gas concentration detection system
US5247826B1 (en)	1995-07-18	Gas concentration and/or flow sensor
ZA981986B (en)	1998-09-09	Sensing system for specific substance and molecule detection
GB9727042D0 (en)	1998-02-18	Tag and detection system
GB2330230B (en)	2001-06-20	Alarm or detection system
EP0859951A4 (en)	2000-12-27	Selective gas sensor
GB9419882D0 (en)	1994-11-16	Electrochemical detection system
GB2318186B (en)	2000-06-07	Oxygen concentration detection
GB9714922D0 (en)	1997-09-17	Improvements in and relating to gas sensors
SG77157A1 (en)	2000-12-19	Position detection system and method
GB2289602B (en)	1998-02-11	Improvements in or relating to detection systems
GB9607969D0 (en)	1996-06-19	Sleep detection and alarm system
GB2327268B (en)	2001-06-27	Gas concentration sensor
EP0694684A3 (en)	1996-09-11	Electronic gas concentration control system
GB9523963D0 (en)	1996-01-24	Electrochemical gas sensor
GB9624287D0 (en)	1997-01-08	Exhaust gas sensor and associated circuit narrangement
GB2357854B (en)	2001-09-12	Detection of malfunction in gas concentration detection system
GB2306080B (en)	2000-02-16	Improvements in or relating to detection systems
GB9716701D0 (en)	1997-10-15	Gas detection device and method
GB2329017B (en)	2001-02-14	Gas detection apparatus
EP0694685A3 (en)	1996-09-18	Electronic gas concentration control system
GB9614040D0 (en)	1996-09-04	Gas detection
GB2292628B (en)	1998-03-04	Improvements in or relating to detection system
GB9511854D0 (en)	1995-08-09	gas concentration measurement
AU9593598A (en)	1999-04-23	Detection of oxygen carriers in exhaled gases

Legal Events

Date	Code	Title	Description
2018-05-09	PE20	Patent expired after termination of 20 years	Expiry date: 20180419