JP2512548B2 - 酸素センサの多孔質保護層の検査方法 - Google Patents
酸素センサの多孔質保護層の検査方法Info
- Publication number
- JP2512548B2 JP2512548B2 JP1048091A JP4809189A JP2512548B2 JP 2512548 B2 JP2512548 B2 JP 2512548B2 JP 1048091 A JP1048091 A JP 1048091A JP 4809189 A JP4809189 A JP 4809189A JP 2512548 B2 JP2512548 B2 JP 2512548B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- protective layer
- porous protective
- oxygen sensor
- 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.)
- Expired - Lifetime
Links
- 239000001301 oxygen Substances 0.000 title claims description 47
- 229910052760 oxygen Inorganic materials 0.000 title claims description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 41
- 239000011241 protective layer Substances 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 16
- 238000007689 inspection Methods 0.000 title description 10
- 239000007789 gas Substances 0.000 claims description 17
- 239000007784 solid electrolyte Substances 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
- 229910001882 dioxygen Inorganic materials 0.000 description 9
- 229910052573 porcelain Inorganic materials 0.000 description 9
- -1 oxygen ion Chemical class 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4077—Means for protecting the electrolyte or the electrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1048091A JP2512548B2 (ja) | 1988-03-29 | 1989-02-28 | 酸素センサの多孔質保護層の検査方法 |
| DE19893910148 DE3910148A1 (de) | 1988-03-29 | 1989-03-29 | Verfahren zur pruefung einer poroesen schutzschicht eines sauerstoffuehlers |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7557988 | 1988-03-29 | ||
| JP63-75579 | 1988-03-29 | ||
| JP1048091A JP2512548B2 (ja) | 1988-03-29 | 1989-02-28 | 酸素センサの多孔質保護層の検査方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH021534A JPH021534A (ja) | 1990-01-05 |
| JP2512548B2 true JP2512548B2 (ja) | 1996-07-03 |
Family
ID=26388316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1048091A Expired - Lifetime JP2512548B2 (ja) | 1988-03-29 | 1989-02-28 | 酸素センサの多孔質保護層の検査方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2512548B2 (enrdf_load_stackoverflow) |
| DE (1) | DE3910148A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4527580B2 (ja) * | 2005-03-29 | 2010-08-18 | 日本特殊陶業株式会社 | ガスセンサの評価方法及びガスセンサの評価装置 |
| JP2007232481A (ja) * | 2006-02-28 | 2007-09-13 | Hitachi Ltd | 酸素センサ |
| DE102009026418B4 (de) | 2009-05-22 | 2023-07-13 | Robert Bosch Gmbh | Konditionierung eines Sensorelements in einem Brennerprüferstand bei mindestens 1000°C und Konditionierungsstrom |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4088543A (en) * | 1976-09-10 | 1978-05-09 | Westinghouse Electric Corp. | Technique for protecting sensing electrodes in sulfiding environments |
| JPH07104319B2 (ja) * | 1986-09-10 | 1995-11-13 | 株式会社日立製作所 | 空燃比センサ |
-
1989
- 1989-02-28 JP JP1048091A patent/JP2512548B2/ja not_active Expired - Lifetime
- 1989-03-29 DE DE19893910148 patent/DE3910148A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH021534A (ja) | 1990-01-05 |
| DE3910148A1 (de) | 1989-10-19 |
| DE3910148C2 (enrdf_load_stackoverflow) | 1993-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090416 Year of fee payment: 13 |
|
| EXPY | Cancellation because of completion of term |