JPS62132455U - - Google Patents
Info
- Publication number
- JPS62132455U JPS62132455U JP1881286U JP1881286U JPS62132455U JP S62132455 U JPS62132455 U JP S62132455U JP 1881286 U JP1881286 U JP 1881286U JP 1881286 U JP1881286 U JP 1881286U JP S62132455 U JPS62132455 U JP S62132455U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- oxygen concentration
- pair
- concentration detection
- detection section
- 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
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 239000007784 solid electrolyte Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 230000033116 oxidation-reduction process Effects 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
は測定電極出力及び空燃比と応答時間との関係を
示すグラフ、第３図は応答時間と白金担持量との
関係を示すグラフ、第４図は従来例を示す断面図
である。
４２……基板、４３，４４……測定電極、４５
……酸化物半導体、４６……酸素濃度検出部、４
７……固体電解質、４８，４９……ポンプ電極、
５０……酸素ポンプ部、５１……スペーサ、５２
……間隙部、５３……導入孔、６０……粉末。
Fig. 1 is a cross-sectional view showing an embodiment of the present invention, Fig. 2 is a graph showing the relationship between the measured electrode output and air-fuel ratio, and response time, and Fig. 3 is a graph showing the relationship between response time and platinum loading amount. , FIG. 4 is a sectional view showing a conventional example. 42...Substrate, 43, 44...Measurement electrode, 45
... Oxide semiconductor, 46 ... Oxygen concentration detection section, 4
7... Solid electrolyte, 48, 49... Pump electrode,
50...Oxygen pump section, 51...Spacer, 52
...Gap, 53...Introduction hole, 60...Powder.
Claims (1)
を並設し、該一対の測定電極上に酸素濃度に応じ
て抵抗値が変化する酸化物半導体を積層して酸素
濃度検出部を形成すると共に、酸素イオン伝導性
の固体電解質の両面に一対のポンプ電極を設けて
形成される酸素ポンプ部を枠状のスペーサを介し
て前記酸素濃度検出部上方に設け、かつ酸素濃度
検出部と酸素ポンプ部との間に形成される間隙部
に機関排気を導入する導入孔を有してなる内燃機
関用酸素センサにおいて、耐熱性かつ非導電性の
材料によつて所定ガス拡散速度が得られる粒径に
形成されかつ酸化還元触媒を担持した粉末を前記
間隙部内に充填したことを特徴とする内燃機関用
酸素センサ。 A pair of measurement electrodes are arranged in parallel on a substrate equipped with a heater, and an oxide semiconductor whose resistance value changes depending on the oxygen concentration is laminated on the pair of measurement electrodes to form an oxygen concentration detection section, An oxygen pump section formed by providing a pair of pump electrodes on both sides of an oxygen ion conductive solid electrolyte is provided above the oxygen concentration detection section via a frame-shaped spacer, and the oxygen concentration detection section and the oxygen pump section are connected to each other. In an oxygen sensor for an internal combustion engine, which has an introduction hole for introducing engine exhaust gas into the gap formed between the An oxygen sensor for an internal combustion engine, characterized in that the gap is filled with powder carrying an oxidation-reduction catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1881286U JPS62132455U (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1881286U JPS62132455U (en) | 1986-02-14 | 1986-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62132455U true JPS62132455U (en) | 1987-08-21 |
Family
ID=30812828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1881286U Pending JPS62132455U (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62132455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010122100A (en) * | 2008-11-20 | 2010-06-03 | Fis Inc | Waterproof type gas sensor |
-
1986
- 1986-02-14 JP JP1881286U patent/JPS62132455U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010122100A (en) * | 2008-11-20 | 2010-06-03 | Fis Inc | Waterproof type gas sensor |
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