CA1106033A - Emission control apparatus for internal combustion engines using an amplitude modulated signal - Google Patents
Emission control apparatus for internal combustion engines using an amplitude modulated signalInfo
- Publication number
- CA1106033A CA1106033A CA268,753A CA268753A CA1106033A CA 1106033 A CA1106033 A CA 1106033A CA 268753 A CA268753 A CA 268753A CA 1106033 A CA1106033 A CA 1106033A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- exhaust
- sensed
- control apparatus
- output
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 239000000446 fuel Substances 0.000 claims description 25
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 8
- 238000007619 statistical method Methods 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 230000010354 integration Effects 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 238000012935 Averaging Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001473 noxious effect Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2454—Learning of the air-fuel ratio control
- F02D41/2458—Learning of the air-fuel ratio control with an additional dither signal
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50-155775 | 1975-12-27 | ||
| JP15577575A JPS5281438A (en) | 1975-12-27 | 1975-12-27 | Air fuel ratio controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1106033A true CA1106033A (en) | 1981-07-28 |
Family
ID=15613123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA268,753A Expired CA1106033A (en) | 1975-12-27 | 1976-12-24 | Emission control apparatus for internal combustion engines using an amplitude modulated signal |
Country Status (4)
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623533A (en) * | 1979-08-02 | 1981-03-05 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
| JPS5623532A (en) * | 1979-08-02 | 1981-03-05 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
| JPS5623531A (en) * | 1979-08-02 | 1981-03-05 | Fuji Heavy Ind Ltd | Air-fuel ratio controller |
| JPS6330280Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1980-03-06 | 1988-08-15 | ||
| JPS5732036A (en) * | 1980-08-05 | 1982-02-20 | Honda Motor Co Ltd | Air/fuel ratio feedback control device for internal combustion engine |
| JPS57195828A (en) * | 1981-05-26 | 1982-12-01 | Mitsubishi Electric Corp | Air-fuel ratio controller of otto cycle engine |
| US4528962A (en) * | 1981-12-11 | 1985-07-16 | Robert Bosch Gmbh | Method and apparatus for lambda regulation in an internal combustion engine |
| DE3231122C2 (de) * | 1982-08-21 | 1994-05-11 | Bosch Gmbh Robert | Regeleinrichtung für die Gemischzusammensetzung einer Brennkraftmaschine |
| DE3239919A1 (de) * | 1982-10-28 | 1984-05-03 | Volkswagenwerk Ag | Kraftstoff-luft-gemischregeleinrichtung |
| DE3336894A1 (de) * | 1983-10-11 | 1985-04-25 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur lambda-regelung bei einer brennkraftmaschine |
| JPS61169635A (ja) * | 1985-01-23 | 1986-07-31 | Hitachi Ltd | 空燃比制御方法 |
| DE3827040A1 (de) * | 1988-08-10 | 1990-02-15 | Bayerische Motoren Werke Ag | Verfahren zur regelung des kraftstoff-luft-verhaeltnisses des einer brennkraftmaschine mit dreiwegekatalysator zuzufuehrenden kraftstoff-luft-gemisches |
| US4867125A (en) * | 1988-09-20 | 1989-09-19 | Ford Motor Company | Air/fuel ratio control system |
| US5099818A (en) * | 1988-11-01 | 1992-03-31 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Exhaust gas cleaning device for an internal combustion engine |
| DE3943682C2 (de) * | 1988-11-01 | 1995-04-27 | Mitsubishi Electric Corp | Einrichtung zur Regelung des Luft-Kraftstoff Verhältnisses eines einer Brennkraftmaschine mit Katalysator zugeführten Luft-Kraftstoff-Gemisches |
| DE3841684C1 (en) * | 1988-12-10 | 1990-04-26 | Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De | Method for optimising the control of the fuel-air ratio in an internal combustion engine |
| JP2561532B2 (ja) * | 1989-02-09 | 1996-12-11 | 三菱自動車工業株式会社 | 内燃機関の空燃比制御装置 |
| US5172320A (en) * | 1989-03-03 | 1992-12-15 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
| US5052177A (en) * | 1989-03-03 | 1991-10-01 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
| US5070693A (en) * | 1989-11-21 | 1991-12-10 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having single air-fuel ratio sensor downstream of or within three-way catalyst converter |
| JP2692319B2 (ja) * | 1989-12-29 | 1997-12-17 | トヨタ自動車株式会社 | 内燃機関の空燃比制御装置 |
| US5222471A (en) * | 1992-09-18 | 1993-06-29 | Kohler Co. | Emission control system for an internal combustion engine |
| DE4024213A1 (de) * | 1990-07-31 | 1992-02-06 | Bosch Gmbh Robert | Verfahren zur lambdaregelung einer brennkraftmaschine mit katalysator |
| DE4024212C2 (de) * | 1990-07-31 | 1999-09-02 | Bosch Gmbh Robert | Verfahren zur stetigen Lambdaregelung einer Brennkraftmaschine mit Katalysator |
| JPH051600A (ja) * | 1991-06-26 | 1993-01-08 | Nissan Motor Co Ltd | 内燃機関の空燃比制御装置 |
| US5435290A (en) * | 1993-12-06 | 1995-07-25 | Ford Motor Company | Closed loop fuel control system with hysteresis |
| JP2023076990A (ja) | 2021-11-24 | 2023-06-05 | スズキ株式会社 | 空燃比制御装置及び空燃比制御システム |
| JP7735909B2 (ja) * | 2022-03-22 | 2025-09-09 | スズキ株式会社 | エンジンの空燃比制御装置 |
| JP7735910B2 (ja) * | 2022-03-22 | 2025-09-09 | スズキ株式会社 | エンジンの空燃比制御装置 |
| JP7702922B2 (ja) * | 2022-06-30 | 2025-07-04 | 株式会社クボタ | 電磁弁制御装置、電磁弁制御システム、油圧装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3676782A (en) * | 1970-06-22 | 1972-07-11 | Phillips Petroleum Co | Modified on-off control |
| DE2206276C3 (de) * | 1972-02-10 | 1981-01-15 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zur Verminderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen |
| DE2216705C3 (de) * | 1972-04-07 | 1978-06-08 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zum Entgiften der Abgase einer Brennkraftmaschine |
| JPS5118023B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-04-14 | 1976-06-07 | ||
| US4287865A (en) * | 1972-09-18 | 1981-09-08 | The Bendix Corporation | Closed loop engine control system |
| DE2321721C2 (de) * | 1973-04-28 | 1982-12-16 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Minderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen |
| DE2251167C3 (de) * | 1972-10-19 | 1986-07-31 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Abgasentgiftung von Brennkraftmaschinen |
| JPS5316853B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-19 | 1978-06-03 | ||
| DE2423111C3 (de) * | 1974-05-13 | 1980-01-31 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Verminderung von schädlichen Bestandteilen im Abgas von Brennkraftmaschinen |
-
1975
- 1975-12-27 JP JP15577575A patent/JPS5281438A/ja active Granted
-
1976
- 1976-12-23 DE DE2658617A patent/DE2658617C2/de not_active Expired
- 1976-12-24 CA CA268,753A patent/CA1106033A/en not_active Expired
-
1979
- 1979-03-13 US US06/020,128 patent/US4402291A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5281438A (en) | 1977-07-07 |
| DE2658617A1 (de) | 1977-07-14 |
| DE2658617C2 (de) | 1987-05-07 |
| US4402291A (en) | 1983-09-06 |
| JPS5617533B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |