JPS6356939B2 - - Google Patents
Info
- Publication number
- JPS6356939B2 JPS6356939B2 JP11513980A JP11513980A JPS6356939B2 JP S6356939 B2 JPS6356939 B2 JP S6356939B2 JP 11513980 A JP11513980 A JP 11513980A JP 11513980 A JP11513980 A JP 11513980A JP S6356939 B2 JPS6356939 B2 JP S6356939B2
- Authority
- JP
- Japan
- Prior art keywords
- excess air
- air ratio
- change
- temperature
- 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
Links
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 39
- 239000000446 fuel Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11513980A JPS5739342A (en) | 1980-08-20 | 1980-08-20 | Method and apparatus for detecting gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11513980A JPS5739342A (en) | 1980-08-20 | 1980-08-20 | Method and apparatus for detecting gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5739342A JPS5739342A (en) | 1982-03-04 |
| JPS6356939B2 true JPS6356939B2 (enrdf_load_stackoverflow) | 1988-11-09 |
Family
ID=14655245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11513980A Granted JPS5739342A (en) | 1980-08-20 | 1980-08-20 | Method and apparatus for detecting gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5739342A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000171422A (ja) | 1998-12-04 | 2000-06-23 | Fujikin Inc | ガス検出センサー |
| CN1160562C (zh) * | 2000-06-05 | 2004-08-04 | 株式会社富士金 | 气体检测传感器 |
| JP2002116172A (ja) * | 2000-10-10 | 2002-04-19 | Ngk Spark Plug Co Ltd | 湿度センサ |
-
1980
- 1980-08-20 JP JP11513980A patent/JPS5739342A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5739342A (en) | 1982-03-04 |
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