JPS59130063U - Fuel injection pump injection rate control device - Google Patents
Fuel injection pump injection rate control deviceInfo
- Publication number
- JPS59130063U JPS59130063U JP2392183U JP2392183U JPS59130063U JP S59130063 U JPS59130063 U JP S59130063U JP 2392183 U JP2392183 U JP 2392183U JP 2392183 U JP2392183 U JP 2392183U JP S59130063 U JPS59130063 U JP S59130063U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- rate control
- fuel injection
- injection pump
- fuel
- 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
- Fuel-Injection Apparatus (AREA)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来装置の全体構成図、第２図はディーゼル機
関の燃焼状態を示す特性図、第３図はスロットル型ノズ
ルの要部断面図、第４図Ａ−Ｃはスロットル型ノズルの
作動説明図を示し、同図Ａは閉弁時、同図Ｂは開弁時、
同図Ｃは全開時の説明図、第５図はニードルバルブの移
動量と噴孔面積の関係を示す図、第６図は本考案の一実
施例の全体構成図、第７図は第６図の要部拡大断面図、
第８図は噴射率特性図である。
７・・・プランジャ、８・・・高圧室、１０・・・セン
タ孔、１２・・・カットオフポート、２１・・・コント
ロールスリーブ、３７・・・シリンダ、３８・・・ピス
トン、３９・・・スプリング、４０・・・シム、４１・
・・ストッパ。Fig. 1 is an overall configuration diagram of a conventional device, Fig. 2 is a characteristic diagram showing the combustion state of a diesel engine, Fig. 3 is a sectional view of main parts of a throttle type nozzle, and Figs. 4 A-C are operation of the throttle type nozzle. An explanatory diagram is shown, in which figure A shows when the valve is closed, figure B shows when the valve is open,
Figure C is an explanatory diagram when fully opened, Figure 5 is a diagram showing the relationship between the movement amount of the needle valve and the nozzle hole area, Figure 6 is an overall configuration diagram of an embodiment of the present invention, and Figure 7 is a diagram showing the relationship between the needle valve movement amount and the nozzle hole area. An enlarged sectional view of the main part of the figure,
FIG. 8 is an injection rate characteristic diagram. 7... Plunger, 8... High pressure chamber, 10... Center hole, 12... Cut-off port, 21... Control sleeve, 37... Cylinder, 38... Piston, 39...・Spring, 40...Shim, 41・
...stopper.
Claims (1)
、このプランジャのカットオフポートを被覆するコント
ロールスリーブの位置を制御することにより噴射量の増
減を行う燃料噴射ポンプにおいて、上記プランジャの内
部に高圧室と連通ずるシリンダを形成し、このシリンダ
に高圧室からの燃圧に対抗するように弾性部材で付勢さ
れるピストンを収装し、このピストンの動作開始圧とス
トロークを調節する手段を設けたことを特徴とする燃料
噴射ポンプの噴射率制御装置。A fuel injection pump is equipped with a plunger that rotates and reciprocates in synchronization with the rotation of the engine, and the amount of injection is increased or decreased by controlling the position of a control sleeve that covers the cut-off port of this plunger. A cylinder communicating with the chamber is formed, a piston is housed in the cylinder and is biased by an elastic member so as to oppose the fuel pressure from the high pressure chamber, and a means is provided for adjusting the operation start pressure and stroke of the piston. An injection rate control device for a fuel injection pump, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2392183U JPS59130063U (en) | 1983-02-21 | 1983-02-21 | Fuel injection pump injection rate control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2392183U JPS59130063U (en) | 1983-02-21 | 1983-02-21 | Fuel injection pump injection rate control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59130063U true JPS59130063U (en) | 1984-08-31 |
Family
ID=30154987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2392183U Pending JPS59130063U (en) | 1983-02-21 | 1983-02-21 | Fuel injection pump injection rate control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59130063U (en) |
-
1983
- 1983-02-21 JP JP2392183U patent/JPS59130063U/en active Pending
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