JPS6460741A - Electronically controlled fuel injection device for multiple cylinder internal combustion engine - Google Patents
Electronically controlled fuel injection device for multiple cylinder internal combustion engineInfo
- Publication number
- JPS6460741A JPS6460741A JP21518987A JP21518987A JPS6460741A JP S6460741 A JPS6460741 A JP S6460741A JP 21518987 A JP21518987 A JP 21518987A JP 21518987 A JP21518987 A JP 21518987A JP S6460741 A JPS6460741 A JP S6460741A
- Authority
- JP
- Japan
- Prior art keywords
- accelerating
- acceleration
- fuel
- valve opening
- fuel injection
- 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
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE:To prevent leaning in acceleration from fuel cut and to improve exhaust gas characteristic by increase acceleration according to the fuel quantity flowing along a wall in case of acceleration from fuel cut and accelerating according to the accelerating condition in the other cases of accelerating operation. CONSTITUTION:Detection values of an air flow meter 4, a crank angle sensor 7, a throttle sensor 8, a water temperature sensor 9 and so on are input to a control device 6 to compute and control the valve opening time of a fuel injection valve 2. A control circuit judges the accelerating operation according to the change rate of valve opening of a throttle valve and when it is judged that fuel cut is conducted now or just before accelerating operation, interrupt injection where fuel quantity flowing along a wall is added is performed by the increase coefficient which increases as the change rate of a throttle valve opening increases and the increase coefficient which decreases as the cooling water temperature becomes higher.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21518987A JPS6460741A (en) | 1987-08-31 | 1987-08-31 | Electronically controlled fuel injection device for multiple cylinder internal combustion engine |
| US07/135,364 US4889100A (en) | 1986-12-19 | 1987-12-21 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand |
| US07/252,977 US4911132A (en) | 1986-12-19 | 1988-10-04 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21518987A JPS6460741A (en) | 1987-08-31 | 1987-08-31 | Electronically controlled fuel injection device for multiple cylinder internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6460741A true JPS6460741A (en) | 1989-03-07 |
Family
ID=16668152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21518987A Pending JPS6460741A (en) | 1986-12-19 | 1987-08-31 | Electronically controlled fuel injection device for multiple cylinder internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6460741A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642739A (en) * | 1979-09-13 | 1981-04-21 | Honda Motor Co Ltd | Control of hydraulic pressure shock absorber unit for vehicle |
-
1987
- 1987-08-31 JP JP21518987A patent/JPS6460741A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642739A (en) * | 1979-09-13 | 1981-04-21 | Honda Motor Co Ltd | Control of hydraulic pressure shock absorber unit for vehicle |
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