JPS63112270U - - Google Patents
Info
- Publication number
- JPS63112270U JPS63112270U JP340887U JP340887U JPS63112270U JP S63112270 U JPS63112270 U JP S63112270U JP 340887 U JP340887 U JP 340887U JP 340887 U JP340887 U JP 340887U JP S63112270 U JPS63112270 U JP S63112270U
- Authority
- JP
- Japan
- Prior art keywords
- needle valve
- nozzle
- pressure needle
- actuator
- controlling
- 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 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
その要部拡大断面図、第３図は本考案の一実施例
の手順を示すフローチヤート、第４図は高圧用針
弁の開閉制御マツプである。
１……ノズル、１ａ……先端部、１ｂ……上端
部、３……低圧用針弁、４……高圧用針弁、５，
６……噴孔、８……シリンダ部、１３……高圧用
針弁リフト制限ピストン、１４……補助ピストン
、２１……制御手段。
Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is an enlarged cross-sectional view of its main parts, Fig. 3 is a flowchart showing the procedure of an embodiment of the invention, and Fig. 4 is a high-pressure needle valve. This is an opening/closing control map. 1... Nozzle, 1a... Tip, 1b... Upper end, 3... Low pressure needle valve, 4... High pressure needle valve, 5,
6... Nozzle hole, 8... Cylinder section, 13... High pressure needle valve lift limiting piston, 14... Auxiliary piston, 21... Control means.
Claims (1)
部に各針弁にて開閉される噴孔を設けた燃料噴射
装置において、上記ノズルの上端部に高圧用針弁
のリフト量を制限するアクチユエータを設け、ア
クチユエータをエンジン負荷及びエンジン回転に
応じて制御する制御手段を設けたことを特徴とす
る燃料噴射装置。 In a fuel injection device in which a nozzle is provided with a low-pressure needle valve and a high-pressure needle valve, and a nozzle hole that is opened and closed by each needle valve is provided at the tip of the nozzle, the lift amount of the high-pressure needle valve is limited at the upper end of the nozzle. 1. A fuel injection device comprising: an actuator for controlling the actuator; and a control means for controlling the actuator according to engine load and engine rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP340887U JPS63112270U (en) | 1987-01-13 | 1987-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP340887U JPS63112270U (en) | 1987-01-13 | 1987-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112270U true JPS63112270U (en) | 1988-07-19 |
Family
ID=30783135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP340887U Pending JPS63112270U (en) | 1987-01-13 | 1987-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63112270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011516787A (en) * | 2008-04-14 | 2011-05-26 | デルファイ・テクノロジーズ・ホールディング・エス．アー．エール．エル． | Fuel injection device |
-
1987
- 1987-01-13 JP JP340887U patent/JPS63112270U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011516787A (en) * | 2008-04-14 | 2011-05-26 | デルファイ・テクノロジーズ・ホールディング・エス．アー．エール．エル． | Fuel injection device |