JPS6267254U - - Google Patents
Info
- Publication number
- JPS6267254U JPS6267254U JP15924185U JP15924185U JPS6267254U JP S6267254 U JPS6267254 U JP S6267254U JP 15924185 U JP15924185 U JP 15924185U JP 15924185 U JP15924185 U JP 15924185U JP S6267254 U JPS6267254 U JP S6267254U
- Authority
- JP
- Japan
- Prior art keywords
- outer electrode
- electrode
- cylindrical body
- power supply
- voltage source
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 5
- 239000007784 solid electrolyte Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims 3
- 239000001301 oxygen Substances 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 description 2
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案の空燃比検出器の一実施例を示
す断面図、第２図は第１図の空燃比検出器の外側
電極の区分線の一例を示す拡大表面図、第３図は
第１図の空燃比検出器の外側電極の区分線の他の
一例を示す拡大表面図、第４図は実施例３の性能
比較試験の結果を示すグラフ、第５図は実施例４
の性能比較試験の結果を示すグラフ、第６図及び
第７図は従来例の空燃比検出器を示す断面図であ
る。
１，９…固体電解質、２，２ａ，２ｂ…内側電
極、３，３ａ，３ｂ…外側電極、４…絶縁層、５
…拡散律速層、６…ヒーター、７…ガス拡散孔、
８…筒状体。
FIG. 1 is a cross-sectional view showing one embodiment of the air-fuel ratio detector of the present invention, FIG. 2 is an enlarged surface view showing an example of the dividing line of the outer electrode of the air-fuel ratio sensor of FIG. 1, and FIG. FIG. 1 is an enlarged surface view showing another example of the dividing line of the outer electrode of the air-fuel ratio detector, FIG. 4 is a graph showing the results of the performance comparison test of Example 3, and FIG. 5 is Example 4.
6 and 7 are cross-sectional views showing conventional air-fuel ratio detectors. 1, 9... Solid electrolyte, 2, 2a, 2b... Inner electrode, 3, 3a, 3b... Outer electrode, 4... Insulating layer, 5
...Diffusion controlling layer, 6...Heater, 7...Gas diffusion hole,
8...Cylindrical body.
Claims (1)
止した筒状体の内外面に電極を形成し、その際筒
状体の外側に設ける外側電極を２分割して一方の
外側電極と他方の外側電極が交互に隣り合うよう
に形成し、そして外側電極上に拡散律速層を形成
し、一方の外側電極と内側電極とを直流電源に接
続して酸素ポンプを構成し、他方の外側電極と内
側電極とを電圧源に接続して限界電流式酸素セン
サを構成したことを特徴とする空燃比検出器。 Electrodes are formed on the inner and outer surfaces of a cylindrical body made of an oxygen ion permeable solid electrolyte with one end closed, and the outer electrode provided on the outside of the cylindrical body is divided into two to separate one outer electrode and the other outer electrode. one of the outer electrodes and the inner electrode are connected to a DC power supply to form an oxygen pump, and the other outer electrode and the inner electrode are connected to a DC power supply. An air-fuel ratio detector characterized in that a limiting current type oxygen sensor is configured by connecting a voltage source to a voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15924185U JPH0518691Y2 (en) | 1985-10-17 | 1985-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15924185U JPH0518691Y2 (en) | 1985-10-17 | 1985-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6267254U true JPS6267254U (en) | 1987-04-27 |
| JPH0518691Y2 JPH0518691Y2 (en) | 1993-05-18 |
Family
ID=31083488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15924185U Expired - Lifetime JPH0518691Y2 (en) | 1985-10-17 | 1985-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518691Y2 (en) |
-
1985
- 1985-10-17 JP JP15924185U patent/JPH0518691Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518691Y2 (en) | 1993-05-18 |