JPH0750707Y2 - 酸素センサの自己診断装置 - Google Patents
酸素センサの自己診断装置Info
- Publication number
- JPH0750707Y2 JPH0750707Y2 JP1989083842U JP8384289U JPH0750707Y2 JP H0750707 Y2 JPH0750707 Y2 JP H0750707Y2 JP 1989083842 U JP1989083842 U JP 1989083842U JP 8384289 U JP8384289 U JP 8384289U JP H0750707 Y2 JPH0750707 Y2 JP H0750707Y2
- Authority
- JP
- Japan
- Prior art keywords
- air
- oxygen sensor
- exhaust pipe
- fuel ratio
- exhaust gas
- 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.)
- Expired - Lifetime
Links
- 239000001301 oxygen Substances 0.000 title claims description 83
- 229910052760 oxygen Inorganic materials 0.000 title claims description 83
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 82
- 238000004092 self-diagnosis Methods 0.000 title claims description 9
- 239000000446 fuel Substances 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 39
- 230000004044 response Effects 0.000 claims description 22
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000003745 diagnosis Methods 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 46
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 238000001514 detection method Methods 0.000 description 14
- 230000004043 responsiveness Effects 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000001012 protector Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 oxygen ions Chemical class 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989083842U JPH0750707Y2 (ja) | 1989-07-17 | 1989-07-17 | 酸素センサの自己診断装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989083842U JPH0750707Y2 (ja) | 1989-07-17 | 1989-07-17 | 酸素センサの自己診断装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0323355U JPH0323355U (en]) | 1991-03-11 |
JPH0750707Y2 true JPH0750707Y2 (ja) | 1995-11-15 |
Family
ID=31631852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989083842U Expired - Lifetime JPH0750707Y2 (ja) | 1989-07-17 | 1989-07-17 | 酸素センサの自己診断装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0750707Y2 (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008240409A (ja) * | 2007-03-28 | 2008-10-09 | Shikoku Chem Corp | フェンス |
KR101125526B1 (ko) * | 2010-03-05 | 2012-03-22 | 주식회사 승일실업 | 계단 난간용 기둥 |
CN114646021B (zh) * | 2022-02-28 | 2023-11-17 | 苏州大学 | 地下管网监测方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56159750U (en]) * | 1980-04-30 | 1981-11-28 | ||
JPS61146759U (en]) * | 1985-03-01 | 1986-09-10 | ||
JPS62162955A (ja) * | 1986-01-10 | 1987-07-18 | Honda Motor Co Ltd | 内燃エンジンの排気成分濃度検出器の活性化判別方法 |
-
1989
- 1989-07-17 JP JP1989083842U patent/JPH0750707Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0323355U (en]) | 1991-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4682463B2 (ja) | 酸素センサの異常診断装置 | |
US8260576B2 (en) | Exhaust gas sensor abnormality diagnostic device | |
KR101574499B1 (ko) | 내연 기관용 nox 센서의 진단 방법 및 장치 | |
US8798938B2 (en) | Method for determining a gas concentration in a measuring gas by means of a gas sensor | |
JP3564966B2 (ja) | 排気浄化装置の故障診断装置 | |
US6797517B1 (en) | Catalyst degradation detecting device and method thereof in internal combustion engine | |
JPH11107830A (ja) | 内燃機関の空燃比センサ系異常診断装置 | |
JPH034742B2 (en]) | ||
US4566419A (en) | Apparatus and method for controlling air-to-fuel ratio for an internal combustion engine | |
FR2767198B1 (fr) | Procede de controle de la capacite de fonctionnement d'une sonde lambda | |
JP3562030B2 (ja) | 酸素センサの異常診断装置 | |
JPH0750707Y2 (ja) | 酸素センサの自己診断装置 | |
KR100260651B1 (ko) | 내연엔진의 공연비 센서 | |
US4388905A (en) | Air-fuel ratio control system | |
US5724953A (en) | Inactive state determining method of oxygen sensor for vehicle | |
JPH0730353U (ja) | 内燃エンジンの蒸発燃料制御装置 | |
JP2505522B2 (ja) | 内燃機関の二次空気導入装置 | |
US5946907A (en) | Engine catalyst activation determining device and engine controller related thereto | |
JPH10141113A (ja) | 内燃機関の吸気管構造 | |
JP2010159720A (ja) | 空燃比センサの診断装置 | |
KR100203767B1 (ko) | 자동차의 공연비 제어방법 | |
JP2010190789A (ja) | 酸素センサの故障診断装置 | |
JPH0642382A (ja) | 内燃エンジンの燃料供給系の異常検出装置 | |
JPH0697001B2 (ja) | アルコール燃料使用内燃機関の空燃比制御装置 | |
JP2003013792A (ja) | 酸素センサの診断装置 |