CA1109546A - Electronic closed loop air-fuel ratio control with compensation means during vehicle start-up - Google Patents
Electronic closed loop air-fuel ratio control with compensation means during vehicle start-upInfo
- Publication number
- CA1109546A CA1109546A CA277,932A CA277932A CA1109546A CA 1109546 A CA1109546 A CA 1109546A CA 277932 A CA277932 A CA 277932A CA 1109546 A CA1109546 A CA 1109546A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- gas sensor
- control system
- mixture control
- exhaust 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
- 239000000446 fuel Substances 0.000 title abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 59
- 230000004044 response Effects 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 6
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 238000012935 Averaging Methods 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims 3
- 230000003197 catalytic effect Effects 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000000306 component Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009877 rendering 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
- 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
- F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
- F02D41/1488—Inhibiting the regulation
- F02D41/149—Replacing of the control value by an other parameter
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 |
---|---|---|---|
JP5210376A JPS52135924A (en) | 1976-05-10 | 1976-05-10 | Air fuel ratio control equipment |
JP51-52103 | 1976-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1109546A true CA1109546A (en) | 1981-09-22 |
Family
ID=12905503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA277,932A Expired CA1109546A (en) | 1976-05-10 | 1977-05-09 | Electronic closed loop air-fuel ratio control with compensation means during vehicle start-up |
Country Status (4)
Country | Link |
---|---|
US (1) | US4208990A (en]) |
JP (1) | JPS52135924A (en]) |
CA (1) | CA1109546A (en]) |
DE (1) | DE2720827A1 (en]) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54101027A (en) * | 1978-01-27 | 1979-08-09 | Automob Antipollut & Saf Res Center | Air to fuel ratio control equipment of carburetor |
JPS5584830A (en) * | 1978-12-20 | 1980-06-26 | Nippon Denso Co Ltd | Air-fuel ratio controlling system |
DE3024606A1 (de) * | 1980-06-28 | 1982-01-28 | Robert Bosch Gmbh, 7000 Stuttgart | Regeleinrichtung fuer die zusammensetzung des in einer brennkraftmaschine zur verbrennung kommenden betriebsgemisches |
JPS6135720Y2 (en]) * | 1980-08-26 | 1986-10-17 | ||
JPS5751936A (en) * | 1980-09-12 | 1982-03-27 | Hitachi Ltd | Controlling and trouble discrimination initializing timing setting system for engine controller |
JPS5786540A (en) * | 1980-11-17 | 1982-05-29 | Toyota Motor Corp | Air fuel ratio controller for internal combustion engine |
JPS60233341A (ja) * | 1984-05-07 | 1985-11-20 | Toyota Motor Corp | 内燃機関の空燃比制御方法 |
JPS6429997U (en]) * | 1987-08-17 | 1989-02-22 | ||
JPH01176200A (ja) * | 1987-12-29 | 1989-07-12 | Nec Corp | 圧電振動板 |
JP3139592B2 (ja) * | 1993-08-31 | 2001-03-05 | ヤマハ発動機株式会社 | ガス燃料エンジンの混合気形成装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5213268B2 (en]) * | 1973-06-05 | 1977-04-13 | ||
US3938479A (en) * | 1974-09-30 | 1976-02-17 | The Bendix Corporation | Exhaust gas sensor operating temperature detection system |
GB1524670A (en) * | 1974-10-21 | 1978-09-13 | Nissan Motor | Apparatus for controlling the air-fuel mixture ratio of internal combustion engine |
JPS5154132A (en) * | 1974-11-08 | 1976-05-13 | Nissan Motor | Nainenkikanno nenryoseigyosochi |
GB1523512A (en) * | 1975-02-06 | 1978-09-06 | Nissan Motor | Closed loop air-fuel ratio control system for use with internal combustion engine |
GB1511467A (en) * | 1975-04-22 | 1978-05-17 | Nissan Motor | Closed-loop mixture control system for internal combustion engine using errorcorrected exhaust gas sensors |
US4112880A (en) * | 1975-12-27 | 1978-09-12 | Nissan Motor Company, Limited | Method of and mixture control system for varying the mixture control point relative to a fixed reference |
US4027477A (en) * | 1976-04-29 | 1977-06-07 | General Motors Corporation | Dual sensor closed loop fuel control system having signal transfer between sensors during warmup |
-
1976
- 1976-05-10 JP JP5210376A patent/JPS52135924A/ja active Granted
-
1977
- 1977-05-09 CA CA277,932A patent/CA1109546A/en not_active Expired
- 1977-05-09 US US05/795,237 patent/US4208990A/en not_active Expired - Lifetime
- 1977-05-09 DE DE19772720827 patent/DE2720827A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2720827A1 (de) | 1977-12-08 |
JPS577296B2 (en]) | 1982-02-09 |
JPS52135924A (en) | 1977-11-14 |
US4208990A (en) | 1980-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |