JPH01167656U - - Google Patents
Info
- Publication number
- JPH01167656U JPH01167656U JP6447088U JP6447088U JPH01167656U JP H01167656 U JPH01167656 U JP H01167656U JP 6447088 U JP6447088 U JP 6447088U JP 6447088 U JP6447088 U JP 6447088U JP H01167656 U JPH01167656 U JP H01167656U
- Authority
- JP
- Japan
- Prior art keywords
- air introduction
- introduction hole
- reference air
- plate
- solid electrolyte
- 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 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- -1 oxygen ion Chemical class 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 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酸素センサの
酸素濃度検出部の分解斜視図、第２図は第１図の
―断面に相当する酸素センサの酸素濃度検出
部及びヒータ部の断面図、第３図は従来の酸素セ
ンサの部分断面図、第４図は第３図の―断面
図、第５図は被毒による起電力低下の様子を示す
図である。
１……基板、２……枠板、３……基準空気導入
孔部、３ａ……入口部、４……固体電解質、５Ａ
，５Ｂ……白金電極、６……γ―アルミナ片、１
２……ヒータ、２１……酸素濃度検出部、３１…
…ヒータ部。
Fig. 1 is an exploded perspective view of the oxygen concentration detecting section of an oxygen sensor showing an embodiment of the present invention, and Fig. 2 is a sectional view of the oxygen concentration detecting section and heater section of the oxygen sensor corresponding to the - cross section of Fig. 1. , FIG. 3 is a partial cross-sectional view of a conventional oxygen sensor, FIG. 4 is a cross-sectional view of FIG. 3, and FIG. 5 is a diagram showing how the electromotive force decreases due to poisoning. DESCRIPTION OF SYMBOLS 1...Substrate, 2...Frame plate, 3...Reference air introduction hole part, 3a...Inlet part, 4...Solid electrolyte, 5A
, 5B...Platinum electrode, 6...γ-alumina piece, 1
2...Heater, 21...Oxygen concentration detection section, 31...
...Heater part.
Claims (1)
枠板を介して、酸素イオン導電性を有するプレー
ト状の濃淡電池用固体電解質を積層し、その固体
電解質の排気と接触する外側の面と基準空気導入
孔部側の面とにそれぞれ電極を形成してなる酸素
濃度検出部を有するプレート型の酸素センサにお
いて、前記基準空気導入孔部の少なくとも入口側
に多孔質のγ―アルミナを封入したことを特徴と
する内燃機関の酸素センサ。 A plate-shaped solid electrolyte for a concentration battery having oxygen ion conductivity is laminated through a U-shaped frame plate that forms a reference air introduction hole on the substrate, and the outer surface of the solid electrolyte is in contact with the exhaust gas. In a plate-type oxygen sensor having an oxygen concentration detecting section with electrodes formed on the surface thereof and a surface on the side of the reference air introduction hole, porous γ-alumina is sealed at least on the inlet side of the reference air introduction hole. An oxygen sensor for internal combustion engines that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6447088U JPH01167656U (en) | 1988-05-18 | 1988-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6447088U JPH01167656U (en) | 1988-05-18 | 1988-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167656U true JPH01167656U (en) | 1989-11-24 |
Family
ID=31289933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6447088U Pending JPH01167656U (en) | 1988-05-18 | 1988-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167656U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003519382A (en) * | 1999-12-29 | 2003-06-17 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Gas sensors, especially lambda sondes |
| JP2003344350A (en) * | 2002-05-28 | 2003-12-03 | Kyocera Corp | Oxygen sensor element |
| WO2008114791A1 (en) * | 2007-03-20 | 2008-09-25 | Hitachi, Ltd. | Oxygen sensor |
| WO2020195079A1 (en) * | 2019-03-28 | 2020-10-01 | 株式会社デンソー | Gas sensor |
-
1988
- 1988-05-18 JP JP6447088U patent/JPH01167656U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003519382A (en) * | 1999-12-29 | 2003-06-17 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Gas sensors, especially lambda sondes |
| JP4813729B2 (en) * | 1999-12-29 | 2011-11-09 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | Gas sensor, especially lambda sonde |
| JP2003344350A (en) * | 2002-05-28 | 2003-12-03 | Kyocera Corp | Oxygen sensor element |
| WO2008114791A1 (en) * | 2007-03-20 | 2008-09-25 | Hitachi, Ltd. | Oxygen sensor |
| WO2020195079A1 (en) * | 2019-03-28 | 2020-10-01 | 株式会社デンソー | Gas sensor |
| JP2020165663A (en) * | 2019-03-28 | 2020-10-08 | 株式会社デンソー | Gas sensor |