JPS6447944U - - Google Patents
Info
- Publication number
- JPS6447944U JPS6447944U JP14424387U JP14424387U JPS6447944U JP S6447944 U JPS6447944 U JP S6447944U JP 14424387 U JP14424387 U JP 14424387U JP 14424387 U JP14424387 U JP 14424387U JP S6447944 U JPS6447944 U JP S6447944U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- pressure
- diesel engine
- feed pipe
- 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
- 239000000446 fuel Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims 2
- 239000010763 heavy fuel oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
は制御動作内容を示すフローチヤート、第３図は
残留圧力と燃料噴射量の関係を示す特性図、第４
図は残留圧力とコントロールラツク位置の関係を
示す特性図、第５図は燃料の噴射特性を示す特性
図である。
１……デリベリバルブ、７……圧力センサ、１
０……コントローラ、１１……燃料噴射ポンプ。
Fig. 1 is a configuration diagram showing an embodiment of the present invention, Fig. 2 is a flow chart showing control operation details, Fig. 3 is a characteristic diagram showing the relationship between residual pressure and fuel injection amount, and Fig. 4 is a diagram showing the relationship between residual pressure and fuel injection amount.
This figure is a characteristic diagram showing the relationship between residual pressure and control rack position, and FIG. 5 is a characteristic diagram showing fuel injection characteristics. 1... Delivery valve, 7... Pressure sensor, 1
0...Controller, 11...Fuel injection pump.
Claims (1)
ブ、送油管を介して燃料噴射ノズルに供給するよ
うにしたデイーゼルエンジンの燃料噴射装置にお
いて、送油管の残留燃料圧力を検出する手段と、
この検出圧力を規定値と比較する手段と、検出圧
力が規定値よりも低いときは圧力の低下に応じて
燃料噴射ポンプのコントロールラツク位置を燃料
増量方向に補正制御する手段とを備えたことを特
徴とするデイーゼルエンジンの燃料噴射装置。 In a diesel engine fuel injection device that supplies pressurized fuel from a fuel injection pump to a fuel injection nozzle via a delivery valve and an oil feed pipe, means for detecting residual fuel pressure in the oil feed pipe;
The present invention is equipped with means for comparing this detected pressure with a specified value, and means for correcting and controlling the control rack position of the fuel injection pump in the direction of fuel increase in accordance with the decrease in pressure when the detected pressure is lower than the specified value. Features a diesel engine fuel injection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14424387U JPS6447944U (en) | 1987-09-21 | 1987-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14424387U JPS6447944U (en) | 1987-09-21 | 1987-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6447944U true JPS6447944U (en) | 1989-03-24 |
Family
ID=31411779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14424387U Pending JPS6447944U (en) | 1987-09-21 | 1987-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447944U (en) |
-
1987
- 1987-09-21 JP JP14424387U patent/JPS6447944U/ja active Pending