JPS63200645U - - Google Patents
Info
- Publication number
- JPS63200645U JPS63200645U JP9210087U JP9210087U JPS63200645U JP S63200645 U JPS63200645 U JP S63200645U JP 9210087 U JP9210087 U JP 9210087U JP 9210087 U JP9210087 U JP 9210087U JP S63200645 U JPS63200645 U JP S63200645U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- temperature
- injection timing
- combustion engine
- internal combustion
- 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)
Description
第１図はこの考案の構成を示す図。第２図は実
施例の全体概略構成図。第３図は燃焼室の横断面
図。第４図は燃焼室の縦断面図。第５図は制御回
路の作動を説明するフローチヤート。第６図は制
御回路の作動を説明するタイミング図。第７図は
機関冷間時の噴霧と吸気弁傘部との位置関係を示
す図。
１６…燃焼室、２２ａ，２２ｂ…吸気ポート、
２４ａ，２４ｂ…排気ポート、２６ａ，２６ｂ…
吸気弁、２８ａ，２８ｂ…排気弁、３０…点火栓
、３４…インジエクタ、４４…吸気制御弁、５０
…制御回路、５２…クランク角センサ、５６…水
温センサ。
FIG. 1 is a diagram showing the configuration of this invention. FIG. 2 is an overall schematic configuration diagram of the embodiment. Figure 3 is a cross-sectional view of the combustion chamber. Figure 4 is a longitudinal sectional view of the combustion chamber. FIG. 5 is a flowchart explaining the operation of the control circuit. FIG. 6 is a timing diagram illustrating the operation of the control circuit. FIG. 7 is a diagram showing the positional relationship between the spray and the intake valve umbrella when the engine is cold. 16... Combustion chamber, 22a, 22b... Intake port,
24a, 24b...exhaust port, 26a, 26b...
Intake valve, 28a, 28b...Exhaust valve, 30...Ignition plug, 34...Injector, 44...Intake control valve, 50
...Control circuit, 52...Crank angle sensor, 56...Water temperature sensor.
Claims (1)
けて柱状の噴霧を形成するインジエクタと、内燃
機関の温度状態を検出する温度検出手段と、該温
度状態に応じて燃料噴射時期を算出する燃料噴射
時期算出手段と、該燃料噴射時期算出手段により
算出される燃料噴射時期で燃料噴射が行われるよ
うにインジエクタを駆動するインジエクタ駆動手
段とから構成され、燃料噴射時期算出手段が算出
する燃料噴射時期は高温時には吸気行程に燃料噴
射が行われ、低温時には吸気行程以外の行程で燃
料噴射が行われるように設定されることを特徴と
する内燃機関の燃料噴射制御装置。 In a fuel-injected internal combustion engine, an injector forms a columnar spray toward an intake valve head, a temperature detection means detects a temperature state of the internal combustion engine, and a fuel injection system calculates fuel injection timing according to the temperature state. It is composed of a timing calculating means and an injector driving means for driving an injector so that fuel injection is performed at the fuel injection timing calculated by the fuel injection timing calculating means, and the fuel injection timing calculated by the fuel injection timing calculating means is A fuel injection control device for an internal combustion engine, characterized in that fuel injection is performed during an intake stroke when the temperature is high, and fuel injection is performed during a stroke other than the intake stroke when the temperature is low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9210087U JPS63200645U (en) | 1987-06-17 | 1987-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9210087U JPS63200645U (en) | 1987-06-17 | 1987-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200645U true JPS63200645U (en) | 1988-12-23 |
Family
ID=30953493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9210087U Pending JPS63200645U (en) | 1987-06-17 | 1987-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0323342A (en) * | 1989-06-19 | 1991-01-31 | Hitachi Ltd | Fuel feed system for plurality of cylinders internal combustion engine and control device thereof |
-
1987
- 1987-06-17 JP JP9210087U patent/JPS63200645U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0323342A (en) * | 1989-06-19 | 1991-01-31 | Hitachi Ltd | Fuel feed system for plurality of cylinders internal combustion engine and control device thereof |
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