DE3613899C2 - - Google Patents
Info
- Publication number
- DE3613899C2 DE3613899C2 DE3613899A DE3613899A DE3613899C2 DE 3613899 C2 DE3613899 C2 DE 3613899C2 DE 3613899 A DE3613899 A DE 3613899A DE 3613899 A DE3613899 A DE 3613899A DE 3613899 C2 DE3613899 C2 DE 3613899C2
- Authority
- DE
- Germany
- Prior art keywords
- fuel ratio
- air
- sensor
- target air
- oxygen concentration
- 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
Links
- 239000000446 fuel Substances 0.000 claims description 71
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 57
- 239000001301 oxygen Substances 0.000 claims description 57
- 229910052760 oxygen Inorganic materials 0.000 claims description 57
- 239000007789 gas Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 10
- 239000007784 solid electrolyte Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000012937 correction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 230000036284 oxygen consumption Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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
-
- 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
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/4065—Circuit arrangements specially adapted therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60089647A JPS61247957A (ja) | 1985-04-25 | 1985-04-25 | 酸素濃度検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3613899A1 DE3613899A1 (de) | 1986-10-30 |
| DE3613899C2 true DE3613899C2 (en:Method) | 1988-12-29 |
Family
ID=13976558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863613899 Granted DE3613899A1 (de) | 1985-04-25 | 1986-04-24 | Sauerstoffkonzentrationssensorvorrichtung fuer eine vorrichtung zum regeln des luft-kraftstoffverhaeltnisses einer brennkraftmaschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4706637A (en:Method) |
| JP (1) | JPS61247957A (en:Method) |
| DE (1) | DE3613899A1 (en:Method) |
| GB (1) | GB2176295B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4857164A (en) * | 1986-10-16 | 1989-08-15 | Ngk Insulators, Ltd. | Oxygen analyzer |
| US4890459A (en) * | 1988-12-08 | 1990-01-02 | Thermo King Corporation | Monitor for refrigeration system |
| DE3923193A1 (de) * | 1989-07-13 | 1991-01-24 | Max Planck Gesellschaft | Grenzstromsensor zum messen des partialdrucks eines gases |
| GB2285866A (en) * | 1994-01-21 | 1995-07-26 | Univ Middlesex Serv Ltd | Oxygen analysis apparatus |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3698384A (en) * | 1970-11-03 | 1972-10-17 | Westinghouse Electric Corp | Oxygen consumption rate monitor |
| NL7309537A (nl) * | 1973-07-09 | 1975-01-13 | Philips Nv | Gasanalyse-apparaat. |
| JPS55166040A (en) * | 1979-06-13 | 1980-12-24 | Nissan Motor Co Ltd | Air fuel ratio detector |
| JPS6029066B2 (ja) * | 1979-07-28 | 1985-07-08 | 日産自動車株式会社 | 空燃比制御信号発生装置 |
| JPS58153155A (ja) * | 1982-03-09 | 1983-09-12 | Ngk Spark Plug Co Ltd | 酸素センサ |
| JPS6063457A (ja) * | 1983-09-17 | 1985-04-11 | Mitsubishi Electric Corp | 機関の空燃比センサ |
| KR880000160B1 (ko) * | 1983-10-14 | 1988-03-12 | 미쓰비시전기 주식회사 | 기관의 공연비 제어 장치 |
| JPS60128350A (ja) * | 1983-12-15 | 1985-07-09 | Ngk Spark Plug Co Ltd | 空燃比検知方法および装置 |
| US4578172A (en) * | 1983-12-15 | 1986-03-25 | Ngk Spark Plug Co. | Air/fuel ratio detector |
-
1985
- 1985-04-25 JP JP60089647A patent/JPS61247957A/ja active Pending
-
1986
- 1986-03-25 US US06/843,951 patent/US4706637A/en not_active Expired - Lifetime
- 1986-04-24 GB GB8610046A patent/GB2176295B/en not_active Expired
- 1986-04-24 DE DE19863613899 patent/DE3613899A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2176295A (en) | 1986-12-17 |
| DE3613899A1 (de) | 1986-10-30 |
| JPS61247957A (ja) | 1986-11-05 |
| US4706637A (en) | 1987-11-17 |
| GB2176295B (en) | 1989-06-28 |
| GB8610046D0 (en) | 1986-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |