GB1545926A - Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters - Google Patents
Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parametersInfo
- Publication number
- GB1545926A GB1545926A GB20858/76A GB2085876A GB1545926A GB 1545926 A GB1545926 A GB 1545926A GB 20858/76 A GB20858/76 A GB 20858/76A GB 2085876 A GB2085876 A GB 2085876A GB 1545926 A GB1545926 A GB 1545926A
- Authority
- GB
- United Kingdom
- Prior art keywords
- closed
- control system
- internal combustion
- reference voltage
- differential amplifier
- 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
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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
- F02D41/1479—Using a comparator with variable reference
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50059297A JPS51136035A (en) | 1975-05-20 | 1975-05-20 | Air fuel mixture rate control device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1545926A true GB1545926A (en) | 1979-05-16 |
Family
ID=13109287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20858/76A Expired GB1545926A (en) | 1975-05-20 | 1976-05-20 | Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters |
Country Status (5)
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52154930A (en) * | 1976-05-22 | 1977-12-23 | Bosch Gmbh Robert | Device for controlling fuellair ratio of mixture for internal combustion engine |
GB1567284A (en) * | 1976-12-27 | 1980-05-14 | Nissan Motor | Closed loop control system equipped with circuitry for temporarirly disabling the system in accordance with given engine parameters |
JPS5382927A (en) * | 1976-12-28 | 1978-07-21 | Nissan Motor Co Ltd | Air-fuel ratio controlling apparatus |
DE2702863C2 (de) * | 1977-01-25 | 1986-06-05 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zur Regelung der Gemischverhältnisanteile des einer Brennkraftmaschine zugeführten Betriebsgemischs |
JPS53125528A (en) * | 1977-04-08 | 1978-11-01 | Nissan Motor Co Ltd | Inspection unit for air fuel ratio controller |
US4184461A (en) * | 1977-09-26 | 1980-01-22 | The Bendix Corporation | Acceleration enrichment for closed loop control systems |
US4167924A (en) * | 1977-10-03 | 1979-09-18 | General Motors Corporation | Closed loop fuel control system having variable control authority |
US4276600A (en) * | 1978-02-27 | 1981-06-30 | The Bendix Corporation | Oxygen sensor feedback loop digital electronic signal integrator for internal combustion engine control |
US4191151A (en) * | 1978-03-20 | 1980-03-04 | General Motors Corporation | Oxygen sensor signal processing circuit for a closed loop air/fuel mixture controller |
US4241710A (en) * | 1978-06-22 | 1980-12-30 | The Bendix Corporation | Closed loop system |
DE2831605C2 (de) * | 1978-07-19 | 1982-03-11 | Pierburg Gmbh & Co Kg, 4040 Neuss | Vergaser für Brennkraftmaschinen |
US4252098A (en) * | 1978-08-10 | 1981-02-24 | Chrysler Corporation | Air/fuel ratio control for an internal combustion engine using an exhaust gas sensor |
US4177770A (en) * | 1978-09-07 | 1979-12-11 | Ford Motor Company | Compensation of sensor voltage for reference potential variation |
JPS5925107B2 (ja) * | 1979-08-31 | 1984-06-14 | マツダ株式会社 | エンジンの排気ガス浄化装置 |
DE2946440A1 (de) * | 1979-11-17 | 1981-05-27 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur gewinnung einer steuergroesse fuer die regelung des kraftstoff-luftverhaeltnisses von brennkraftmaschinen |
JPS5685541A (en) * | 1979-12-13 | 1981-07-11 | Fuji Heavy Ind Ltd | Controlling device of air-fuel ratio |
JPS56115540U (US20080094685A1-20080424-C00004.png) * | 1980-02-06 | 1981-09-04 | ||
JPS56126650A (en) * | 1980-03-07 | 1981-10-03 | Fuji Heavy Ind Ltd | Air-fuel ratio controlling apparatus |
US4526001A (en) * | 1981-02-13 | 1985-07-02 | Engelhard Corporation | Method and means for controlling air-to-fuel ratio |
JPS58220940A (ja) * | 1982-06-15 | 1983-12-22 | Honda Motor Co Ltd | 内燃エンジンの燃料供給制御方法 |
DE3231122C2 (de) * | 1982-08-21 | 1994-05-11 | Bosch Gmbh Robert | Regeleinrichtung für die Gemischzusammensetzung einer Brennkraftmaschine |
JPH0713493B2 (ja) * | 1983-08-24 | 1995-02-15 | 株式会社日立製作所 | 内燃機関の空燃比制御装置 |
JPS60178941A (ja) * | 1984-02-27 | 1985-09-12 | Nissan Motor Co Ltd | 内燃機関の空燃比制御装置 |
JPS60192845A (ja) * | 1984-03-13 | 1985-10-01 | Fuji Heavy Ind Ltd | 空燃比制御装置 |
JPS60233332A (ja) * | 1984-05-07 | 1985-11-20 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
US6374817B1 (en) | 2000-04-12 | 2002-04-23 | Daimlerchrysler Corporation | Application of OP-AMP to oxygen sensor circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2116097B2 (de) * | 1971-04-02 | 1981-01-29 | Bosch Gmbh Robert | Vorrichtung zur Regelung der Luftzahl λ des einer Brennkraftmaschine zugeführten Kraftstoff-Luft-Gemisches |
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 |
DE2229928C3 (de) * | 1972-06-20 | 1981-03-19 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zur Verminderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen |
DE2252185C2 (de) * | 1972-10-25 | 1983-12-01 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur Umformung und Auswertung des Ausgangssignales eines Sauerstoffmeßfühlers bei einer Einrichtung zur Abgasentgiftung von Brennkraftmaschinen |
US3986352A (en) * | 1975-05-08 | 1976-10-19 | General Motors Corporation | Closed loop fuel control using air injection in open loop modes |
-
1975
- 1975-05-20 JP JP50059297A patent/JPS51136035A/ja active Granted
-
1976
- 1976-05-17 US US05/686,805 patent/US4088095A/en not_active Expired - Lifetime
- 1976-05-18 DE DE19762622049 patent/DE2622049A1/de not_active Withdrawn
- 1976-05-19 CA CA252,857A patent/CA1078045A/en not_active Expired
- 1976-05-20 GB GB20858/76A patent/GB1545926A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4088095A (en) | 1978-05-09 |
JPS51136035A (en) | 1976-11-25 |
JPS5534299B2 (US20080094685A1-20080424-C00004.png) | 1980-09-05 |
CA1078045A (en) | 1980-05-20 |
DE2622049A1 (de) | 1976-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |