JPS6378266U - - Google Patents
Info
- Publication number
- JPS6378266U JPS6378266U JP17134786U JP17134786U JPS6378266U JP S6378266 U JPS6378266 U JP S6378266U JP 17134786 U JP17134786 U JP 17134786U JP 17134786 U JP17134786 U JP 17134786U JP S6378266 U JPS6378266 U JP S6378266U
- Authority
- JP
- Japan
- Prior art keywords
- platinum electrode
- combustion engine
- internal combustion
- contacts
- exhaust gas
- 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
- 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
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案に係る一実施例の断面図、第２
図は酸素センサの出力特性図、第３図は従来の内
燃機関用酸素センサの断面図である。
１……セラミツク管、１ａ，１ｂ……白金電極
、２０……保護層。
Fig. 1 is a sectional view of one embodiment of the present invention;
The figure is an output characteristic diagram of an oxygen sensor, and FIG. 3 is a sectional view of a conventional oxygen sensor for an internal combustion engine. 1...Ceramic tube, 1a, 1b...Platinum electrode, 20...Protective layer.
Claims (1)
れぞれに白金電極を設け、内燃機関の排気に接触
する外表面側の白金電極と大気に接触する内表面
側の白金電極との間に発生する起電力により排気
中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、前記セラミツク管内の白金電
極の表面を、触媒を含有した多孔質材料製の保護
層で覆つたことを特徴とする内燃機関用酸素セン
サ。 Platinum electrodes are provided on each of the inner and outer surfaces of a ceramic tube with a closed end, and an electromotive force is generated between the platinum electrode on the outer surface that contacts the exhaust gas of an internal combustion engine and the platinum electrode on the inner surface that contacts the atmosphere. An internal combustion engine oxygen sensor for detecting oxygen concentration in exhaust gas, characterized in that the surface of the platinum electrode in the ceramic tube is covered with a protective layer made of a porous material containing a catalyst. Oxygen sensor for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17134786U JPH0612526Y2 (en) | 1986-11-10 | 1986-11-10 | Oxygen sensor for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17134786U JPH0612526Y2 (en) | 1986-11-10 | 1986-11-10 | Oxygen sensor for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6378266U true JPS6378266U (en) | 1988-05-24 |
| JPH0612526Y2 JPH0612526Y2 (en) | 1994-03-30 |
Family
ID=31106888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17134786U Expired - Lifetime JPH0612526Y2 (en) | 1986-11-10 | 1986-11-10 | Oxygen sensor for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612526Y2 (en) |
-
1986
- 1986-11-10 JP JP17134786U patent/JPH0612526Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612526Y2 (en) | 1994-03-30 |
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