JPH0115814B2 - - Google Patents
Info
- Publication number
- JPH0115814B2 JPH0115814B2 JP55165242A JP16524280A JPH0115814B2 JP H0115814 B2 JPH0115814 B2 JP H0115814B2 JP 55165242 A JP55165242 A JP 55165242A JP 16524280 A JP16524280 A JP 16524280A JP H0115814 B2 JPH0115814 B2 JP H0115814B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel ratio
- air
- gas
- flow rate
- sensor
- 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
- 239000000446 fuel Substances 0.000 claims description 124
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000012041 precatalyst Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 description 69
- 229910010413 TiO 2 Inorganic materials 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 238000005259 measurement Methods 0.000 description 14
- 238000001514 detection method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000003054 catalyst Substances 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
- F02D35/0023—Controlling air supply
- F02D35/0038—Controlling air supply by means of air pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Oxygen Concentration In Cells (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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55165242A JPS5790148A (en) | 1980-11-26 | 1980-11-26 | Extra-precise air-fuel ratio gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55165242A JPS5790148A (en) | 1980-11-26 | 1980-11-26 | Extra-precise air-fuel ratio gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5790148A JPS5790148A (en) | 1982-06-04 |
| JPH0115814B2 true JPH0115814B2 (enrdf_load_stackoverflow) | 1989-03-20 |
Family
ID=15808567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55165242A Granted JPS5790148A (en) | 1980-11-26 | 1980-11-26 | Extra-precise air-fuel ratio gauge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5790148A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5648601A (en) * | 1994-11-14 | 1997-07-15 | Toyota Jidosha Kabushiki Kaisha | Apparatus for analyzing air/fuel ratio sensor characteristics |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3610363A1 (de) * | 1986-03-27 | 1987-10-01 | Kernforschungsz Karlsruhe | Verfahren zum kontinuierlichen ueberwachen von konzentrationen von gasfoermigen bestandteilen in gasgemischen, ausgenommen o(pfeil abwaerts)2(pfeil abwaerts) |
-
1980
- 1980-11-26 JP JP55165242A patent/JPS5790148A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5648601A (en) * | 1994-11-14 | 1997-07-15 | Toyota Jidosha Kabushiki Kaisha | Apparatus for analyzing air/fuel ratio sensor characteristics |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5790148A (en) | 1982-06-04 |
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