JPH0312162U - - Google Patents
Info
- Publication number
- JPH0312162U JPH0312162U JP7164489U JP7164489U JPH0312162U JP H0312162 U JPH0312162 U JP H0312162U JP 7164489 U JP7164489 U JP 7164489U JP 7164489 U JP7164489 U JP 7164489U JP H0312162 U JPH0312162 U JP H0312162U
- Authority
- JP
- Japan
- Prior art keywords
- platinum layer
- oxygen sensor
- solid electrolyte
- electrolyte member
- platinum
- 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000007784 solid electrolyte Substances 0.000 claims 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図ａ〜ｆは本考案に係る一実施例の製造工
程を示す概略断面図、第２図は第１図ａにおける
Ａ−Ａ断面図、第３図は第１図ｅにおけるＢ点の
組織図、第４図は従来例を示す酸素センサの断面
図、第５図は起電力特性を示す図、第６図は従来
例における触媒層の組織図、第７図は従来例にお
ける問題点を説明するための組織図、第８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、７…白金粒子、１１…金属酸化物、１２…
保護層。
Figures 1a to 1f are schematic sectional views showing the manufacturing process of an embodiment of the present invention, Figure 2 is a sectional view taken along line A-A in Figure 1a, and Figure 3 is a cross-sectional view of point B in Figure 1e. Organization chart, Figure 4 is a sectional view of an oxygen sensor showing a conventional example, Figure 5 is a diagram showing electromotive force characteristics, Figure 6 is an organization diagram of a catalyst layer in a conventional example, and Figure 7 is a problem with the conventional example. FIG. 8 is an organizational chart for explaining the problems in the conventional example. DESCRIPTION OF SYMBOLS 1... Ceramic tube, 2, 3... Electrode, 4... Platinum catalyst layer, 7... Platinum particles, 11... Metal oxide, 12...
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、溶液状にした金
属を前記白金層に焼成すると同時に酸化させるこ
とを特徴とする酸素センサ。 In 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, a metal in solution form is fired into the platinum layer and simultaneously oxidized. An oxygen sensor featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989071644U JPH0747730Y2 (en) | 1989-06-21 | 1989-06-21 | Oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989071644U JPH0747730Y2 (en) | 1989-06-21 | 1989-06-21 | Oxygen sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0312162U true JPH0312162U (en) | 1991-02-07 |
| JPH0747730Y2 JPH0747730Y2 (en) | 1995-11-01 |
Family
ID=31608858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989071644U Expired - Lifetime JPH0747730Y2 (en) | 1989-06-21 | 1989-06-21 | Oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747730Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109853A (en) * | 1982-12-16 | 1984-06-25 | Mazda Motor Corp | Manufacture of wide range air fuel ratio sensor |
| JPS59142457A (en) * | 1983-02-03 | 1984-08-15 | Mazda Motor Corp | Production of wide range air-fuel ratio sensor |
| JPS59142455A (en) * | 1983-02-03 | 1984-08-15 | Mazda Motor Corp | Wide range air-fuel ratio sensor |
| JPS61207961A (en) * | 1985-03-13 | 1986-09-16 | Japan Electronic Control Syst Co Ltd | Oxygen sensor |
-
1989
- 1989-06-21 JP JP1989071644U patent/JPH0747730Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109853A (en) * | 1982-12-16 | 1984-06-25 | Mazda Motor Corp | Manufacture of wide range air fuel ratio sensor |
| JPS59142457A (en) * | 1983-02-03 | 1984-08-15 | Mazda Motor Corp | Production of wide range air-fuel ratio sensor |
| JPS59142455A (en) * | 1983-02-03 | 1984-08-15 | Mazda Motor Corp | Wide range air-fuel ratio sensor |
| JPS61207961A (en) * | 1985-03-13 | 1986-09-16 | Japan Electronic Control Syst Co Ltd | Oxygen sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0747730Y2 (en) | 1995-11-01 |
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