JPS5917238U - Fuel injection timing adjustment device for fuel injection pump - Google Patents
Fuel injection timing adjustment device for fuel injection pumpInfo
- Publication number
- JPS5917238U JPS5917238U JP11278182U JP11278182U JPS5917238U JP S5917238 U JPS5917238 U JP S5917238U JP 11278182 U JP11278182 U JP 11278182U JP 11278182 U JP11278182 U JP 11278182U JP S5917238 U JPS5917238 U JP S5917238U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- adjustment device
- timing adjustment
- injection timing
- timer piston
- 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.)
- Granted
Links
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図は従来の燃料噴射時期調整装置を備えた噴射ポン
プの断面図、第２図Ａは本考案に係る燃料噴射時期調整
装置の一実施例を示す断面図、第２図Ｂ、 Ｃはそれぞ
れ同上のタイマピストンの作動状態を示す説明図、第３
図Ａ、 Ｂ、 Ｃは従来例と本考案の実施例の特性を比
較したグラフである。
９・・・フェイスカム、１０・・・ローラリンク、１１
・・・ローラ、２９・・・アーム、３０・・・シリンダ
、３１゜４４・・・タイマピストン、３３・・・低圧室
、３４゜４０・・・高圧室、４１・・・第１高圧室、４
３・・・第２高圧室、４６・・・中心突部、４７・・・
通路、４８．５０・・・連通孔、４９．５１・・・チェ
ックバルブ、Ａ１・・・第１受圧面、Ａ２・・・第２受
圧面。FIG. 1 is a sectional view of an injection pump equipped with a conventional fuel injection timing adjustment device, FIG. 2A is a sectional view showing an embodiment of the fuel injection timing adjustment device according to the present invention, and FIGS. 2B and C are Explanatory diagram showing the operating state of the timer piston same as above, the third
Figures A, B, and C are graphs comparing the characteristics of the conventional example and the embodiment of the present invention. 9...Face cam, 10...Roller link, 11
...Roller, 29...Arm, 30...Cylinder, 31°44...Timer piston, 33...Low pressure chamber, 34°40...High pressure chamber, 41...First high pressure chamber , 4
3... Second high pressure chamber, 46... Center protrusion, 47...
Passage, 48.50... Communication hole, 49.51... Check valve, A1... First pressure receiving surface, A2... Second pressure receiving surface.
Claims (1)
の受圧面を臨ませて機関回転速度に応じて変位するタイ
マピストンを備え、該タイマピストンの変位量により燃
料噴射時期制御部材を調整する燃料噴射ポンプの燃料噴
射時期調整装置において、タイマピストンの変位量に厄
じ前記高圧室のタイマピストン受圧面への有効接面面積
を変化させる高圧室受圧面積制御手段を設けたことを特
徴とする燃料噴射ポンプの燃料噴射時期調整装置。A timer piston is provided whose pressure-receiving surface faces a high-pressure chamber into which fluid pressure corresponding to the engine rotational speed is introduced, and which is displaced according to the engine rotational speed, and a fuel injection timing control member is adjusted according to the amount of displacement of the timer piston. A fuel injection timing adjustment device for a fuel injection pump, characterized in that a high pressure chamber pressure receiving area control means is provided for changing the effective contact surface area of the high pressure chamber to the timer piston pressure receiving surface depending on the displacement amount of the timer piston. Fuel injection timing adjustment device for fuel injection pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11278182U JPS5917238U (en) | 1982-07-27 | 1982-07-27 | Fuel injection timing adjustment device for fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11278182U JPS5917238U (en) | 1982-07-27 | 1982-07-27 | Fuel injection timing adjustment device for fuel injection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5917238U true JPS5917238U (en) | 1984-02-02 |
| JPS6349553Y2 JPS6349553Y2 (en) | 1988-12-20 |
Family
ID=30261323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11278182U Granted JPS5917238U (en) | 1982-07-27 | 1982-07-27 | Fuel injection timing adjustment device for fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5917238U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585437A (en) * | 1981-06-30 | 1983-01-12 | Diesel Kiki Co Ltd | Injection timing controllr of distributor type fuel injection pump |
-
1982
- 1982-07-27 JP JP11278182U patent/JPS5917238U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585437A (en) * | 1981-06-30 | 1983-01-12 | Diesel Kiki Co Ltd | Injection timing controllr of distributor type fuel injection pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349553Y2 (en) | 1988-12-20 |
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