JPS61189261U - - Google Patents
Info
- Publication number
- JPS61189261U JPS61189261U JP7325985U JP7325985U JPS61189261U JP S61189261 U JPS61189261 U JP S61189261U JP 7325985 U JP7325985 U JP 7325985U JP 7325985 U JP7325985 U JP 7325985U JP S61189261 U JPS61189261 U JP S61189261U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- oxygen sensor
- exhaust pipe
- ratio detection
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims 2
- 230000002596 correlated effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１，２図は本考案に係る空燃比検出装置の第
１実施例を示す図であり、第１図はその全体構成
図、第２図はその触媒層の断面図、第３図は本考
案に係る空燃比検出装置の第２実施例を示すその
酸素センサの断面図、第４〜７図は先願に係る空
燃比検出装置を示す図であり、第４図はその酸素
センサの分解斜視図、第５図はその酸素センサの
断面図、第６図はその空燃比検出回路の回路図、
第７図はその検出電圧と空燃比との関係を示す図
である。
５２…排気管、５４，８１…酸素センサ、５５
…空燃比検出回路（空燃比検出手段）、５６…触
媒層。
1 and 2 are diagrams showing a first embodiment of the air-fuel ratio detection device according to the present invention, in which FIG. 1 is an overall configuration diagram thereof, FIG. 2 is a sectional view of its catalyst layer, and FIG. A sectional view of an oxygen sensor showing a second embodiment of the air-fuel ratio detecting device according to the invention, FIGS. 4 to 7 are views showing the air-fuel ratio detecting device according to the prior application, and FIG. 4 is an exploded view of the oxygen sensor. A perspective view, FIG. 5 is a sectional view of the oxygen sensor, and FIG. 6 is a circuit diagram of the air-fuel ratio detection circuit.
FIG. 7 is a diagram showing the relationship between the detected voltage and the air-fuel ratio. 52...Exhaust pipe, 54, 81...Oxygen sensor, 55
...Air-fuel ratio detection circuit (air-fuel ratio detection means), 56...Catalyst layer.
Claims (1)
拡散電流が供給される酸素センサと、酸素センサ
に供給する拡散電流の値に基づいて吸入混合気の
空燃比を検出する空燃比検出手段と、酸素センサ
上流側の排気管内に配設され未燃ガスを燃焼させ
る触媒層と、を備えたことを特徴とする空燃比検
出装置。 an oxygen sensor attached to an exhaust pipe and supplied with a diffusion current correlated to the oxygen concentration in the exhaust; an air-fuel ratio detection means for detecting the air-fuel ratio of the intake air-fuel mixture based on the value of the diffusion current supplied to the oxygen sensor; An air-fuel ratio detection device comprising: a catalyst layer disposed in an exhaust pipe upstream of an oxygen sensor to combust unburned gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7325985U JPS61189261U (en) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7325985U JPS61189261U (en) | 1985-05-16 | 1985-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61189261U true JPS61189261U (en) | 1986-11-26 |
Family
ID=30612450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7325985U Pending JPS61189261U (en) | 1985-05-16 | 1985-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61189261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211349A (en) * | 1989-02-09 | 1990-08-22 | Mitsubishi Motors Corp | Air-fuel ratio controller for internal combustion engine |
-
1985
- 1985-05-16 JP JP7325985U patent/JPS61189261U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211349A (en) * | 1989-02-09 | 1990-08-22 | Mitsubishi Motors Corp | Air-fuel ratio controller for internal combustion engine |