JPS5698541A - Electronic controlling system for internal combustion engine - Google Patents
Electronic controlling system for internal combustion engineInfo
- Publication number
- JPS5698541A JPS5698541A JP11680A JP11680A JPS5698541A JP S5698541 A JPS5698541 A JP S5698541A JP 11680 A JP11680 A JP 11680A JP 11680 A JP11680 A JP 11680A JP S5698541 A JPS5698541 A JP S5698541A
- Authority
- JP
- Japan
- Prior art keywords
- controlling
- air
- temperature
- engine
- fuel
- 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: To avoid malfunctioning of an engine due to external factors such as physical properties of fuel and the temperature, by controlling an air-flow controlling valve and a fuel-flow controlling valve in response to the temperature and the revolutional speed of the engine.
CONSTITUTION: An air-fuel ratio controlling system shown in the drawing is composed of CPU1, ROM2, RAM3 and an input/output control unit 4. This input/ output control unit 4 comprises a digital selector switch 5 to which many data given from the outside are afforded selectively according to a selection signal given by the CPU, an A/D converter 6, and a control logic circuit 7 which furnishes these data to CPU1, calculates them according to the contents of memory prestored in ROM2 and gives a control signal to an air-fuel ratio controlling means 8 and a warm-up controlling means 9. In the above system, input signals to the controlling means are the output signals of a sensor 14 for detecting the temperature of cooling water and an engine-speed sensor 15.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11680A JPS5698541A (en) | 1980-01-07 | 1980-01-07 | Electronic controlling system for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11680A JPS5698541A (en) | 1980-01-07 | 1980-01-07 | Electronic controlling system for internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5698541A true JPS5698541A (en) | 1981-08-08 |
Family
ID=11465075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11680A Pending JPS5698541A (en) | 1980-01-07 | 1980-01-07 | Electronic controlling system for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5698541A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5164137A (en) * | 1974-11-29 | 1976-06-03 | Nissan Motor |
-
1980
- 1980-01-07 JP JP11680A patent/JPS5698541A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5164137A (en) * | 1974-11-29 | 1976-06-03 | Nissan Motor |
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