JPS56132425A - Electronically controlled fuel injection device - Google Patents
Electronically controlled fuel injection deviceInfo
- Publication number
- JPS56132425A JPS56132425A JP3533180A JP3533180A JPS56132425A JP S56132425 A JPS56132425 A JP S56132425A JP 3533180 A JP3533180 A JP 3533180A JP 3533180 A JP3533180 A JP 3533180A JP S56132425 A JPS56132425 A JP S56132425A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- fuel injection
- fuel
- generator circuit
- pulse
- 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 decrease a fuel injection pulse and suppress a shock when cutting off fuel in a fuel injection device where fuel injection operation is controlled in accordance with rotary speed of an engine and an amount of its intake air, by providing a divider circuit and fuel cut-off signal generator circuit.
CONSTITUTION: There are provided the first rotary pulse generator circuit 6, for generating a pulse at every revolution of an engine, and a divider circuit 7, for dividing the first rotary pulse to 1/2 frequency. At normally running operation, a solenoid injection valve is driven by the rotary pulse generator circuit 6 and a basic pulse generator circuit 2. Then at the time of rapid deceleration, a fuel cut- off signal generator circuit 8 and timer circuit 9 cause output of a switch circuit 10 to be a signal of the divider circuit 7. In this way, one time operation of fuel injection is performed for two revolution of the engine. Consequently, a shock at the time of cutting off fuel can be reduced to perform smooth operation.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3533180A JPS56132425A (en) | 1980-03-19 | 1980-03-19 | Electronically controlled fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3533180A JPS56132425A (en) | 1980-03-19 | 1980-03-19 | Electronically controlled fuel injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56132425A true JPS56132425A (en) | 1981-10-16 |
Family
ID=12438840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3533180A Pending JPS56132425A (en) | 1980-03-19 | 1980-03-19 | Electronically controlled fuel injection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56132425A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158330A (en) * | 1982-03-15 | 1983-09-20 | Mitsubishi Electric Corp | Reducing method of fuel and controller therefor |
| JPS5965527A (en) * | 1982-10-06 | 1984-04-13 | Mazda Motor Corp | Fuel injector for engine |
| JPS639655A (en) * | 1986-06-30 | 1988-01-16 | Nissan Motor Co Ltd | Fuel injection equipment for respective cylinders of internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54103924A (en) * | 1978-01-17 | 1979-08-15 | Bosch Gmbh Robert | Method of and apparatus for controlling supply of fuel to internal combustion engine |
-
1980
- 1980-03-19 JP JP3533180A patent/JPS56132425A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54103924A (en) * | 1978-01-17 | 1979-08-15 | Bosch Gmbh Robert | Method of and apparatus for controlling supply of fuel to internal combustion engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158330A (en) * | 1982-03-15 | 1983-09-20 | Mitsubishi Electric Corp | Reducing method of fuel and controller therefor |
| JPS5965527A (en) * | 1982-10-06 | 1984-04-13 | Mazda Motor Corp | Fuel injector for engine |
| JPS639655A (en) * | 1986-06-30 | 1988-01-16 | Nissan Motor Co Ltd | Fuel injection equipment for respective cylinders of internal combustion engine |
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