JPS5820346U - Electronically controlled fuel injection device - Google Patents
Electronically controlled fuel injection deviceInfo
- Publication number
- JPS5820346U JPS5820346U JP11557781U JP11557781U JPS5820346U JP S5820346 U JPS5820346 U JP S5820346U JP 11557781 U JP11557781 U JP 11557781U JP 11557781 U JP11557781 U JP 11557781U JP S5820346 U JPS5820346 U JP S5820346U
- Authority
- JP
- Japan
- Prior art keywords
- command
- water temperature
- generates
- fuel injection
- cooling water
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は電子制御燃料噴射装置の従来例を示すブロック
図、第２図は第１図の冷却水温増量補正特性図、第３図
は本考案の電子制御燃料噴射装置の実施例を示すブロッ
ク図、第４図は第３図の冷却水温増量補正特性図、第５
図は水温センサ及び再補正指令回路の具体回路図である
。
主要部分の符号の説明、１・・・回転パルス発生回路、
２・・・基本パルス発生回路、３・・・燃料噴射パルス
発生回路、４・・・水温補正指令回路、５・・・水温セ
ンサ、８・・・再補正指令回路。Fig. 1 is a block diagram showing a conventional example of an electronically controlled fuel injection device, Fig. 2 is a cooling water temperature increase correction characteristic diagram of Fig. 1, and Fig. 3 is a block diagram showing an embodiment of the electronically controlled fuel injection device of the present invention. Figure 4 is the cooling water temperature increase correction characteristic diagram of Figure 3, and Figure 5 is
The figure is a specific circuit diagram of a water temperature sensor and a re-correction command circuit. Explanation of symbols of main parts, 1... Rotating pulse generation circuit,
2... Basic pulse generation circuit, 3... Fuel injection pulse generation circuit, 4... Water temperature correction command circuit, 5... Water temperature sensor, 8... Re-correction command circuit.
Claims (1)
る基本パルス発生手段と、機関冷却水温度に応じた量の
第１燃料増量指令を発生する水温補正指令回路を有する
補正指令手段と、前記補正指令手段め出力に応じて前記
基本パルスを補正して燃料噴射パルスを発生する燃料噴
射パルス発生手段と、前記燃料噴射パルスに応じて電磁
噴射弁を駆動する駆動手段とを含み、前記補正指令手段
は前記冷却水温度が第１及び第２所定温度間のとき第１
燃料減量指令を発生し前記冷却水温度が前記第２所定温
度以上でかつ前記機関回転数が所定範囲内のとき第２燃
料増量指令を発生する再補正指令回路を有することを特
徴とする電子制御燃料噴射装置。a basic pulse generating means that generates a basic pulse according to the engine rotational speed and the intake air amount; a correction command means having a water temperature correction command circuit that generates a first fuel increase command of an amount according to the engine cooling water temperature; and a driving means for driving an electromagnetic injection valve in accordance with the fuel injection pulse; The command means controls a first command when the cooling water temperature is between a first and second predetermined temperature.
Electronic control characterized by having a re-correction command circuit that generates a fuel reduction command and generates a second fuel increase command when the cooling water temperature is equal to or higher than the second predetermined temperature and the engine speed is within a predetermined range. Fuel injection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11557781U JPS5820346U (en) | 1981-08-03 | 1981-08-03 | Electronically controlled fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11557781U JPS5820346U (en) | 1981-08-03 | 1981-08-03 | Electronically controlled fuel injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5820346U true JPS5820346U (en) | 1983-02-08 |
Family
ID=29909834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11557781U Pending JPS5820346U (en) | 1981-08-03 | 1981-08-03 | Electronically controlled fuel injection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5820346U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50109327A (en) * | 1974-02-12 | 1975-08-28 | ||
| JPS52147238A (en) * | 1976-05-31 | 1977-12-07 | Nippon Denso Co Ltd | Fuel injection equipment in electronic control type |
| JPS555403A (en) * | 1978-06-22 | 1980-01-16 | Nissan Motor Co Ltd | Controller for fuel metering device |
| JPS55109733A (en) * | 1979-02-15 | 1980-08-23 | Nippon Denso Co Ltd | Acceleration increasing-rate control method in electronically-controlled fuel injector |
| JPS55160133A (en) * | 1979-05-31 | 1980-12-12 | Nissan Motor Co Ltd | Fuel feeding device of internal combustion engine |
-
1981
- 1981-08-03 JP JP11557781U patent/JPS5820346U/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50109327A (en) * | 1974-02-12 | 1975-08-28 | ||
| JPS52147238A (en) * | 1976-05-31 | 1977-12-07 | Nippon Denso Co Ltd | Fuel injection equipment in electronic control type |
| JPS555403A (en) * | 1978-06-22 | 1980-01-16 | Nissan Motor Co Ltd | Controller for fuel metering device |
| JPS55109733A (en) * | 1979-02-15 | 1980-08-23 | Nippon Denso Co Ltd | Acceleration increasing-rate control method in electronically-controlled fuel injector |
| JPS55160133A (en) * | 1979-05-31 | 1980-12-12 | Nissan Motor Co Ltd | Fuel feeding device of internal combustion engine |
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