JPS5474924A - Electronically-controlled fuel injection apparatus - Google Patents
Electronically-controlled fuel injection apparatusInfo
- Publication number
- JPS5474924A JPS5474924A JP14244877A JP14244877A JPS5474924A JP S5474924 A JPS5474924 A JP S5474924A JP 14244877 A JP14244877 A JP 14244877A JP 14244877 A JP14244877 A JP 14244877A JP S5474924 A JPS5474924 A JP S5474924A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- circuit
- signal
- idling
- detector
- 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 reduce poisonous components in the exhaust at idling during the warming up through a switching of the compensation in the increase of fuel to a smaller ratio than that in the normal operation.
CONSTITUTION: In an electronically-controlled fuel injection apparatus including an engine rotation detector 1, a wave form shaping circuit for the pulse signal from the detector 1, a frequency dividing circuit 3, an arithmetic circuit for computing the signal, according to the revolutions of the engine, a compensating circuit 10 for compensating the supply amount of fuel according to the running conditions of the engine, a multiplication circuit 4, an electromagnetic injection valve 9 and so on, a warming up compensating circuit is provided which increases the time range of the pulse signal to be applied to an injection valve 9 according to the temperature of the engine with the inputting of the signal from an engine temperature sensor 13 and a signal from a throttle switch 12 serving as an idling detector while reducing the rate of increasing at idling.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14244877A JPS5474924A (en) | 1977-11-28 | 1977-11-28 | Electronically-controlled fuel injection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14244877A JPS5474924A (en) | 1977-11-28 | 1977-11-28 | Electronically-controlled fuel injection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5474924A true JPS5474924A (en) | 1979-06-15 |
Family
ID=15315537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14244877A Pending JPS5474924A (en) | 1977-11-28 | 1977-11-28 | Electronically-controlled fuel injection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5474924A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59203837A (en) * | 1983-05-06 | 1984-11-19 | Toyota Motor Corp | Method of increasing fuel for warming up electronically controlled fuel injection type engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4945656A (en) * | 1972-09-01 | 1974-05-01 | ||
| JPS4967016A (en) * | 1972-08-31 | 1974-06-28 |
-
1977
- 1977-11-28 JP JP14244877A patent/JPS5474924A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4967016A (en) * | 1972-08-31 | 1974-06-28 | ||
| JPS4945656A (en) * | 1972-09-01 | 1974-05-01 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59203837A (en) * | 1983-05-06 | 1984-11-19 | Toyota Motor Corp | Method of increasing fuel for warming up electronically controlled fuel injection type engine |
| JPH0465217B2 (en) * | 1983-05-06 | 1992-10-19 | Toyota Motor Co Ltd |
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