JPH0288164U - - Google Patents
Info
- Publication number
- JPH0288164U JPH0288164U JP16573388U JP16573388U JPH0288164U JP H0288164 U JPH0288164 U JP H0288164U JP 16573388 U JP16573388 U JP 16573388U JP 16573388 U JP16573388 U JP 16573388U JP H0288164 U JPH0288164 U JP H0288164U
- Authority
- JP
- Japan
- Prior art keywords
- reduction catalyst
- nitrogen oxide
- oxide reduction
- air
- oxygen sensor
- 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
- 239000003054 catalyst Substances 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 9
- 239000000446 fuel Substances 0.000 claims 2
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
図は本考案に係る一実施例を示す酸素センサの
断面図である。 １…ジルコニアチユーブ、２，３…白金電極、
４…酸化触媒層、５…保護層、６…第１還元触媒
層、７…第２還元触媒層。
断面図である。 １…ジルコニアチユーブ、２，３…白金電極、
４…酸化触媒層、５…保護層、６…第１還元触媒
層、７…第２還元触媒層。
Claims (1)
- 先端を封止したジルコニアチユーブの内外面に
一対の電極を形成し、内側を基準空気に接触させ
、外側を窒素酸化物還元触媒を担持させた窒素酸
化物還元触媒層で覆つて機関の排気中に臨ませて
、排気中の酸素濃度を介して機関に吸入される混
合気の空燃比を検出する酸素センサにおいて、前
記窒素酸化物還元触媒層に焼結促進剤を加え且つ
外側の層程焼結促進剤の含有濃度を段階的に高く
して複数層で構成したことを特徴とする酸素セン
サ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16573388U JPH0288164U (ja) | 1988-12-23 | 1988-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16573388U JPH0288164U (ja) | 1988-12-23 | 1988-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0288164U true JPH0288164U (ja) | 1990-07-12 |
Family
ID=31452489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16573388U Pending JPH0288164U (ja) | 1988-12-23 | 1988-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0288164U (ja) |
-
1988
- 1988-12-23 JP JP16573388U patent/JPH0288164U/ja active Pending