JPS52102934A - Air-fuel ratio control system - Google Patents
Air-fuel ratio control systemInfo
- Publication number
- JPS52102934A JPS52102934A JP2043776A JP2043776A JPS52102934A JP S52102934 A JPS52102934 A JP S52102934A JP 2043776 A JP2043776 A JP 2043776A JP 2043776 A JP2043776 A JP 2043776A JP S52102934 A JPS52102934 A JP S52102934A
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- control system
- ratio control
- catalyst
- 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.)
- Pending
Links
Abstract
PURPOSE: In a system provide with an O2 sensor in the lower course than a 3dimentional catalyst of the exhaust system of an engine for controlling last combustion ratio to provide second O2 sensor in the lower course than the 3-dimentional catalyst for the accurate control of air-fuel ratio.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2043776A JPS52102934A (en) | 1976-02-25 | 1976-02-25 | Air-fuel ratio control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2043776A JPS52102934A (en) | 1976-02-25 | 1976-02-25 | Air-fuel ratio control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52102934A true JPS52102934A (en) | 1977-08-29 |
Family
ID=12027007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2043776A Pending JPS52102934A (en) | 1976-02-25 | 1976-02-25 | Air-fuel ratio control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52102934A (en) |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5535181A (en) * | 1978-09-05 | 1980-03-12 | Nippon Denso Co Ltd | Air fuel ratio control device |
JPS5537562A (en) * | 1978-09-08 | 1980-03-15 | Nippon Denso Co Ltd | Air-fuel ratio control system |
JPS61178531A (en) * | 1985-02-01 | 1986-08-11 | ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Controller for internal combustion engine |
JPS61185634A (en) * | 1985-01-10 | 1986-08-19 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Mixed gas control apparatus of internal combustion engine |
JPS6251735A (en) * | 1985-08-31 | 1987-03-06 | Nippon Denso Co Ltd | Air-fuel ratio control device |
US4693076A (en) * | 1985-04-09 | 1987-09-15 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4703619A (en) * | 1985-04-09 | 1987-11-03 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4707985A (en) * | 1985-09-12 | 1987-11-24 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4707984A (en) * | 1985-04-15 | 1987-11-24 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4712373A (en) * | 1985-04-12 | 1987-12-15 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4720973A (en) * | 1985-02-23 | 1988-01-26 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having double-skip function |
US4723408A (en) * | 1985-09-10 | 1988-02-09 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4729219A (en) * | 1985-04-03 | 1988-03-08 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4739614A (en) * | 1985-02-22 | 1988-04-26 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system in internal combustion engine |
US4745741A (en) * | 1985-04-04 | 1988-05-24 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4747265A (en) * | 1985-12-23 | 1988-05-31 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4750328A (en) * | 1986-10-13 | 1988-06-14 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4761950A (en) * | 1985-09-10 | 1988-08-09 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4779414A (en) * | 1986-07-26 | 1988-10-25 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4796425A (en) * | 1986-10-13 | 1989-01-10 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
JPS6453043A (en) * | 1987-05-11 | 1989-03-01 | Mitsubishi Motors Corp | Air-fuel ratio controller for internal combustion engine |
US4809501A (en) * | 1987-01-16 | 1989-03-07 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4811557A (en) * | 1986-10-13 | 1989-03-14 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4817383A (en) * | 1986-11-08 | 1989-04-04 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4817384A (en) * | 1986-08-13 | 1989-04-04 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4831838A (en) * | 1985-07-31 | 1989-05-23 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4840027A (en) * | 1986-10-13 | 1989-06-20 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4854124A (en) * | 1987-07-10 | 1989-08-08 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having divided-skip function |
US4881368A (en) * | 1987-02-09 | 1989-11-21 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4905469A (en) * | 1987-10-20 | 1990-03-06 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor |
US4941318A (en) * | 1988-03-01 | 1990-07-17 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having short-circuit detection for air-fuel ratio sensor |
US4964272A (en) * | 1987-07-20 | 1990-10-23 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system including at least downstreamside air-fuel ratio sensor |
US4964271A (en) * | 1987-03-06 | 1990-10-23 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensor |
US4970858A (en) * | 1988-03-30 | 1990-11-20 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor |
WO1991017349A1 (en) * | 1990-05-07 | 1991-11-14 | Japan Electronic Control Systems Co., Ltd. | Method of controlling air-fuel ratio in internal combustion engine and system therefor |
USRE33942E (en) * | 1985-02-22 | 1992-06-02 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system in internal combustion engine |
JP2016160847A (en) * | 2015-03-03 | 2016-09-05 | 株式会社デンソー | Exhaust emission control device |
-
1976
- 1976-02-25 JP JP2043776A patent/JPS52102934A/en active Pending
Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5535181A (en) * | 1978-09-05 | 1980-03-12 | Nippon Denso Co Ltd | Air fuel ratio control device |
JPS5537562A (en) * | 1978-09-08 | 1980-03-15 | Nippon Denso Co Ltd | Air-fuel ratio control system |
JPS61185634A (en) * | 1985-01-10 | 1986-08-19 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Mixed gas control apparatus of internal combustion engine |
JPS61178531A (en) * | 1985-02-01 | 1986-08-11 | ローベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Controller for internal combustion engine |
USRE33942E (en) * | 1985-02-22 | 1992-06-02 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system in internal combustion engine |
US4739614A (en) * | 1985-02-22 | 1988-04-26 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system in internal combustion engine |
US4720973A (en) * | 1985-02-23 | 1988-01-26 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having double-skip function |
US4729219A (en) * | 1985-04-03 | 1988-03-08 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4745741A (en) * | 1985-04-04 | 1988-05-24 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4693076A (en) * | 1985-04-09 | 1987-09-15 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4703619A (en) * | 1985-04-09 | 1987-11-03 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4712373A (en) * | 1985-04-12 | 1987-12-15 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4707984A (en) * | 1985-04-15 | 1987-11-24 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved response characteristics |
US4831838A (en) * | 1985-07-31 | 1989-05-23 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
JPS6251735A (en) * | 1985-08-31 | 1987-03-06 | Nippon Denso Co Ltd | Air-fuel ratio control device |
US4723408A (en) * | 1985-09-10 | 1988-02-09 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4761950A (en) * | 1985-09-10 | 1988-08-09 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4707985A (en) * | 1985-09-12 | 1987-11-24 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4747265A (en) * | 1985-12-23 | 1988-05-31 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4819427A (en) * | 1985-12-23 | 1989-04-11 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4779414A (en) * | 1986-07-26 | 1988-10-25 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4817384A (en) * | 1986-08-13 | 1989-04-04 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4840027A (en) * | 1986-10-13 | 1989-06-20 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4811557A (en) * | 1986-10-13 | 1989-03-14 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4750328A (en) * | 1986-10-13 | 1988-06-14 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4796425A (en) * | 1986-10-13 | 1989-01-10 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
US4817383A (en) * | 1986-11-08 | 1989-04-04 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4809501A (en) * | 1987-01-16 | 1989-03-07 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4881368A (en) * | 1987-02-09 | 1989-11-21 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having improved exhaust emission characteristics |
US4964271A (en) * | 1987-03-06 | 1990-10-23 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensor |
US5022225A (en) * | 1987-03-06 | 1991-06-11 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system including at least downstream-side air fuel ratio sensor |
JPS6453043A (en) * | 1987-05-11 | 1989-03-01 | Mitsubishi Motors Corp | Air-fuel ratio controller for internal combustion engine |
US4854124A (en) * | 1987-07-10 | 1989-08-08 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system having divided-skip function |
US4964272A (en) * | 1987-07-20 | 1990-10-23 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system including at least downstreamside air-fuel ratio sensor |
US4905469A (en) * | 1987-10-20 | 1990-03-06 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor |
US4941318A (en) * | 1988-03-01 | 1990-07-17 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback control system having short-circuit detection for air-fuel ratio sensor |
US4970858A (en) * | 1988-03-30 | 1990-11-20 | Toyota Jidosha Kabushiki Kaisha | Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor |
WO1991017349A1 (en) * | 1990-05-07 | 1991-11-14 | Japan Electronic Control Systems Co., Ltd. | Method of controlling air-fuel ratio in internal combustion engine and system therefor |
JP2016160847A (en) * | 2015-03-03 | 2016-09-05 | 株式会社デンソー | Exhaust emission control device |
WO2016139899A1 (en) * | 2015-03-03 | 2016-09-09 | 株式会社デンソー | Exhaust purification device |
US9981224B2 (en) | 2015-03-03 | 2018-05-29 | Denso Corporation | Exhaust purification device |
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