JPS63152555U - - Google Patents
Info
- Publication number
- JPS63152555U JPS63152555U JP4273887U JP4273887U JPS63152555U JP S63152555 U JPS63152555 U JP S63152555U JP 4273887 U JP4273887 U JP 4273887U JP 4273887 U JP4273887 U JP 4273887U JP S63152555 U JPS63152555 U JP S63152555U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- internal combustion
- contact
- oxygen sensor
- combustion engine
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 229910000420 cerium oxide Inorganic materials 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000000446 fuel Substances 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
図は第１図の部分拡大図、第３図は同上実施例に
おける酸素センサの出力特性を示すグラフ、第４
図は空燃比と排気成分濃度との関係を示すグラフ
、第５図は従来例を示す断面図である。 １……セラミツク管、２，３……電極、４……
白金触媒層、５……ＮＯｘ触媒層。
図は第１図の部分拡大図、第３図は同上実施例に
おける酸素センサの出力特性を示すグラフ、第４
図は空燃比と排気成分濃度との関係を示すグラフ
、第５図は従来例を示す断面図である。 １……セラミツク管、２，３……電極、４……
白金触媒層、５……ＮＯｘ触媒層。
Claims (1)
- セラミツク基材の内外表面の各一部に電極を形
成すると共に、外表面に白金触媒層を形成し、大
気に接触させた内表面側の電極と、機関排気に接
触させた外表面側の電極との間に発生する起電力
により機関排気の酸素濃度を検出するようにした
内燃機関用酸素センサにおいて、前記白金触媒の
外側に多孔質層を設けると共に、この多孔質層に
窒素酸化物の還元反応を促進させる還元触媒粒子
を酸化セリウムに担持させたものを混在させたこ
とを特徴とする内燃機関用酸素センサ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4273887U JPS63152555U (ja) | 1987-03-25 | 1987-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4273887U JPS63152555U (ja) | 1987-03-25 | 1987-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63152555U true JPS63152555U (ja) | 1988-10-06 |
Family
ID=30858935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4273887U Pending JPS63152555U (ja) | 1987-03-25 | 1987-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63152555U (ja) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51126890A (en) * | 1975-04-25 | 1976-11-05 | Nissan Motor Co Ltd | Air fuel ratio detector |
| JPS6179155A (ja) * | 1984-09-27 | 1986-04-22 | Nissan Motor Co Ltd | 酸素センサ素子 |
| JPS61241657A (ja) * | 1985-04-19 | 1986-10-27 | Nissan Motor Co Ltd | 酸素センサ素子 |
-
1987
- 1987-03-25 JP JP4273887U patent/JPS63152555U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51126890A (en) * | 1975-04-25 | 1976-11-05 | Nissan Motor Co Ltd | Air fuel ratio detector |
| JPS6179155A (ja) * | 1984-09-27 | 1986-04-22 | Nissan Motor Co Ltd | 酸素センサ素子 |
| JPS61241657A (ja) * | 1985-04-19 | 1986-10-27 | Nissan Motor Co Ltd | 酸素センサ素子 |
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