JPH0159859U - - Google Patents
Info
- Publication number
- JPH0159859U JPH0159859U JP15566087U JP15566087U JPH0159859U JP H0159859 U JPH0159859 U JP H0159859U JP 15566087 U JP15566087 U JP 15566087U JP 15566087 U JP15566087 U JP 15566087U JP H0159859 U JPH0159859 U JP H0159859U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen gas
- air
- fuel ratio
- ratio sensor
- gas 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.)
- Granted
Links
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 8
- 229910001882 dioxygen Inorganic materials 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims 5
- 229910006404 SnO 2 Inorganic materials 0.000 claims 1
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 239000006104 solid solution Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
第１図は本考案の一実施例の破断斜視図、第２
図はその分解斜視図である。
１０……酸素ポンプ素子、１０ａ……固体電解
質焼結板状体、１０ｂ……多孔質電極、１０ｅ…
…多孔質電極（酸素ガス検出素子の一方の多孔質
電極を兼ねる）、２０……酸素ガス検出素子、２
０ａ……多孔質電極、２０ｅ……感ガス層、３０
……多孔質ガス拡散制限部。
Fig. 1 is a cutaway perspective view of one embodiment of the present invention;
The figure is an exploded perspective view. 10... Oxygen pump element, 10a... Solid electrolyte sintered plate, 10b... Porous electrode, 10e...
...Porous electrode (also serves as one porous electrode of the oxygen gas detection element), 20...Oxygen gas detection element, 2
0a... Porous electrode, 20e... Gas sensitive layer, 30
...Porous gas diffusion restriction section.
Claims (1)
有する酸素ポンプ素子と、 該酸素ポンプ素子に積層され、周囲の酸素ガス
分圧に対応して抵抗が変化する酸素ガス検出素子
と、 該酸素ガス検出素子に積層され、上記酸素ガス
検出素子と周囲雰囲気とを拡散制限的に連通する
多孔質層と、 を備えた空燃比センサであつて、 上記酸素ガス検出素子の一方の電極が上記酸素
ポンプ素子の一方の電極であることを特徴とした
空燃比センサ。 ２ 上記固体電解質体が、ＺｒＯ２系固溶体であ
る特許請求の範囲第１項記載の空燃比センサ。 ３ 上記酸素ガス検出素子が、ＳｎＯ２，ＴｉＯ
２，Ｎｂ２Ｏ５，Ｖ２Ｏ５，Ｃｒ２Ｏ３，Ｃ０Ｏ
及びＮｉＯから選ばれた１種又は２種以上からな
る特許請求の範囲第１項または第２項いずれか記
載の空燃比センサ。[Claims for Utility Model Registration] 1. An oxygen pump element having a pair of porous electrodes on the front and back surfaces of a solid electrolyte body, and an oxygen pump element laminated to the oxygen pump element, the resistance of which changes in response to the partial pressure of surrounding oxygen gas. An air-fuel ratio sensor comprising: an oxygen gas detection element; and a porous layer that is laminated on the oxygen gas detection element and communicates the oxygen gas detection element with the surrounding atmosphere in a diffusion-limited manner, the air-fuel ratio sensor comprising: an oxygen gas detection element; An air-fuel ratio sensor characterized in that one electrode of the element is one electrode of the oxygen pump element. 2. The air-fuel ratio sensor according to claim 1, wherein the solid electrolyte body is a ZrO 2 -based solid solution. 3 The oxygen gas detection element is made of SnO 2 , TiO
2 , Nb 2 O 5 , V 2 O 5 , Cr 2 O 3 , C 0 O
The air-fuel ratio sensor according to claim 1 or 2, comprising one or more selected from NiO and NiO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987155660U JPH0631423Y2 (en) | 1987-10-12 | 1987-10-12 | Air-fuel ratio sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987155660U JPH0631423Y2 (en) | 1987-10-12 | 1987-10-12 | Air-fuel ratio sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159859U true JPH0159859U (en) | 1989-04-14 |
| JPH0631423Y2 JPH0631423Y2 (en) | 1994-08-22 |
Family
ID=31433485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987155660U Expired - Lifetime JPH0631423Y2 (en) | 1987-10-12 | 1987-10-12 | Air-fuel ratio sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631423Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009113250A1 (en) * | 2008-03-12 | 2009-09-17 | パナソニック株式会社 | Thin-film electrode, and measuring cell and inspecting device having the electrode |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61264245A (en) * | 1985-05-17 | 1986-11-22 | Nissan Motor Co Ltd | Oxygen sensor |
| JPS62106355A (en) * | 1985-11-05 | 1987-05-16 | Tech Res Assoc Conduct Inorg Compo | Sensor for controlling combustion |
-
1987
- 1987-10-12 JP JP1987155660U patent/JPH0631423Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61264245A (en) * | 1985-05-17 | 1986-11-22 | Nissan Motor Co Ltd | Oxygen sensor |
| JPS62106355A (en) * | 1985-11-05 | 1987-05-16 | Tech Res Assoc Conduct Inorg Compo | Sensor for controlling combustion |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631423Y2 (en) | 1994-08-22 |