JPH0312163U - - Google Patents
Info
- Publication number
- JPH0312163U JPH0312163U JP7296689U JP7296689U JPH0312163U JP H0312163 U JPH0312163 U JP H0312163U JP 7296689 U JP7296689 U JP 7296689U JP 7296689 U JP7296689 U JP 7296689U JP H0312163 U JPH0312163 U JP H0312163U
- Authority
- JP
- Japan
- Prior art keywords
- solid electrolyte
- oxygen sensor
- protective layer
- electrolyte member
- platinum layer
- 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 239000007784 solid electrolyte Substances 0.000 claims 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は同上の作用を説明するための図、第３図は従
来例を示す断面図、第４図は従来例における問題
点を説明するための図である。
１…セラミツク管、２，３…電極、４…白金触
媒層、６…保護層。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3 is a sectional view showing a conventional example, and FIG. 4 is a diagram illustrating problems in the conventional example. DESCRIPTION OF SYMBOLS 1... Ceramic tube, 2, 3... Electrode, 4... Platinum catalyst layer, 6... Protective layer.
Claims (1)
に設けられる白金層と、該白金層を覆う保護層と
、を備える酸素センサにおいて、酸化ジルコニウ
ムを溶射してなる保護層を設けたことを特徴とす
る酸素センサ。 An oxygen sensor comprising a solid electrolyte member, a platinum layer provided on the outer surface of the solid electrolyte member, and a protective layer covering the platinum layer, characterized in that the protective layer is formed by thermally spraying zirconium oxide. oxygen sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7296689U JPH0312163U (en) | 1989-06-23 | 1989-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7296689U JPH0312163U (en) | 1989-06-23 | 1989-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312163U true JPH0312163U (en) | 1991-02-07 |
Family
ID=31611376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7296689U Pending JPH0312163U (en) | 1989-06-23 | 1989-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312163U (en) |
-
1989
- 1989-06-23 JP JP7296689U patent/JPH0312163U/ja active Pending