JPS6354062U - - Google Patents
Info
- Publication number
- JPS6354062U JPS6354062U JP14786786U JP14786786U JPS6354062U JP S6354062 U JPS6354062 U JP S6354062U JP 14786786 U JP14786786 U JP 14786786U JP 14786786 U JP14786786 U JP 14786786U JP S6354062 U JPS6354062 U JP S6354062U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- oxygen
- air
- partial pressure
- electrodes
- 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
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000007784 solid electrolyte Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図及び第２図はこの考案の一実施例を示す
一部断面図及びその要部拡大図、第３図、第４図
及び第５図は従来の空燃比検出装置における酸素
センサの分解斜視図、その断面図及び排気管への
取付け構造を示す一部断面図である。
３１…酸素センサ、３４…第１の固体電解質、
３５…大気導入部、３７…第２の固体電解質、３
８…ガス導入部、４０…センサアノード、４１…
センサカソード、４２…ポンプカソード、４３…
ポンプアノード、６１…ホルダ、６２…アタツチ
メント、６５…保護管、６６，６８…連通孔、６
７…連通室、６９…コネクタ、７０…連通管、７
１…吸引ポンプ、７５…排気管、ＳＣ…酸素分圧
比検出部、ＰＣ…酸素分圧制御部。
Figures 1 and 2 are a partial sectional view and an enlarged view of the main parts of an embodiment of this invention, and Figures 3, 4, and 5 are disassembly of an oxygen sensor in a conventional air-fuel ratio detection device. FIG. 2 is a perspective view, a cross-sectional view thereof, and a partial cross-sectional view showing an attachment structure to an exhaust pipe. 31...Oxygen sensor, 34...First solid electrolyte,
35...Air introduction part, 37...Second solid electrolyte, 3
8... Gas introduction part, 40... Sensor anode, 41...
Sensor cathode, 42... Pump cathode, 43...
Pump anode, 61...Holder, 62...Attachment, 65...Protection tube, 66, 68...Communication hole, 6
7...Communication chamber, 69...Connector, 70...Communication pipe, 7
1...Suction pump, 75...Exhaust pipe, SC...Oxygen partial pressure ratio detection section, PC...Oxygen partial pressure control section.
Claims (1)
導入されるガス導入部と、酸素イオン伝導性の固
体電解質を挾んで対向する前記ガス導入部のガス
及び所定酸素濃度のガスに晒される電極を有して
両電極間の酸素分圧比に応じた電圧を出力する酸
素分圧比検出部と、酸素イオン伝導性の固体電解
質を挾んで対向する電極を有して両電極間に供給
される電流量に応じて前記ガス導入部の酸素分圧
を制御する酸素分圧制御部とからなる酸素センサ
を備え、前記排気ガス中の酸素濃度により混合気
の空燃比を検出する空燃比検出装置において、前
記酸素センサのガス導入部から強制的にガスを吸
出すガスサンプリング手段を備えたことを特徴と
する空燃比検出装置。 A gas introduction part into which exhaust gas from combustion of a mixture of air and fuel is introduced, and an electrode exposed to the gas of the gas introduction part and the gas of a predetermined oxygen concentration, which are opposite to each other with an oxygen ion conductive solid electrolyte in between. an oxygen partial pressure ratio detection unit that outputs a voltage according to the oxygen partial pressure ratio between the two electrodes; and an oxygen ion conductive solid electrolyte that is sandwiched between electrodes that face each other, and the amount of current that is supplied between the two electrodes. The air-fuel ratio detection device includes an oxygen sensor comprising an oxygen partial pressure control section that controls the oxygen partial pressure of the gas introduction section according to the oxygen concentration in the exhaust gas, and detects the air-fuel ratio of the air-fuel mixture based on the oxygen concentration in the exhaust gas. An air-fuel ratio detection device characterized by comprising a gas sampling means for forcibly sucking out gas from a gas introduction part of an oxygen sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14786786U JPS6354062U (en) | 1986-09-29 | 1986-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14786786U JPS6354062U (en) | 1986-09-29 | 1986-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6354062U true JPS6354062U (en) | 1988-04-11 |
Family
ID=31061625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14786786U Pending JPS6354062U (en) | 1986-09-29 | 1986-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6354062U (en) |
-
1986
- 1986-09-29 JP JP14786786U patent/JPS6354062U/ja active Pending
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