JPS59131570U - distribution type fuel injection pump - Google Patents
distribution type fuel injection pumpInfo
- Publication number
- JPS59131570U JPS59131570U JP2558683U JP2558683U JPS59131570U JP S59131570 U JPS59131570 U JP S59131570U JP 2558683 U JP2558683 U JP 2558683U JP 2558683 U JP2558683 U JP 2558683U JP S59131570 U JPS59131570 U JP S59131570U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection pump
- distribution type
- type fuel
- leak
- 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
Landscapes
- Fuel-Injection Apparatus (AREA)
- High-Pressure Fuel Injection Pump Control (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来及びこの考案の噴射率の特性線図、第２図
はこの考案の実施例を示す断面図、第３図はリークコン
トロール弁の開口面積の特性線図、第４図はこの考案の
他の実施例を示す要部の断面図である。
４・・・プランジャ、１２・・・プランジャ室、２１・
・・リーク通路、２２・・・リークコントロール弁、２
４・・・弁体、２５・・・スプリング、３５・・・アク
チュエータ。Fig. 1 is a characteristic diagram of the injection rate of the conventional and this invention, Fig. 2 is a sectional view showing an embodiment of this invention, Fig. 3 is a characteristic diagram of the opening area of the leak control valve, and Fig. 4 is a characteristic diagram of this invention. FIG. 3 is a sectional view of main parts showing another embodiment of the invention. 4...Plunger, 12...Plunger chamber, 21.
...Leak passage, 22...Leak control valve, 2
4... Valve body, 25... Spring, 35... Actuator.
Claims (1)
行なうプランジャを備えた分配型燃料噴射ポンプにおい
て、前記プランジャの頭部側のプランジャ室から燃料を
リークさせるように構成すると共に、そのリーク特性を
該プランジャ室内の圧力を利用して弁体をスプリングに
抗して変位させて制御するようにしたリークコントロー
ル弁を設けたことを特徴とする分配型燃料噴射ポンプ。 ２ リークコントロール弁の弁体の形状の変更で、リー
ク特性を適宜制御できるようにしたことを特徴とする実
用新案登録請求の範囲第１項記載の分配型燃料噴射ポン
プ。 ３ リークコントロール弁の弁体をスロットルノズル型
としたことを特徴とする実用新案登録請求の範囲第２項
記載の分配型燃料噴射ポンプ。 ４ リークコントロール弁の弁体を押圧するスプリング
のカセット力の可変をアクチュエータにより行なうよう
にしたことを特徴とする実用新案登録請求の範囲第１項
記載の分配型燃料噴射ポンプ。[Claims for Utility Model Registration] l In a distribution type fuel injection pump equipped with a plunger that performs reciprocating and rotational movements to suction and pressure feed and distribute fuel, the fuel is leaked from a plunger chamber on the head side of the plunger. A distribution type fuel injection pump comprising: a leak control valve configured to control the leak characteristics by displacing a valve body against a spring by utilizing the pressure inside the plunger chamber; . 2. The distribution type fuel injection pump according to claim 1, wherein the leak characteristics can be appropriately controlled by changing the shape of the valve body of the leak control valve. 3. The distribution type fuel injection pump according to claim 2, wherein the valve body of the leak control valve is of a throttle nozzle type. 4. The distribution type fuel injection pump according to claim 1, wherein the cassette force of the spring that presses the valve element of the leak control valve is varied by an actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2558683U JPS59131570U (en) | 1983-02-23 | 1983-02-23 | distribution type fuel injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2558683U JPS59131570U (en) | 1983-02-23 | 1983-02-23 | distribution type fuel injection pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59131570U true JPS59131570U (en) | 1984-09-04 |
| JPH0143508Y2 JPH0143508Y2 (en) | 1989-12-18 |
Family
ID=30156561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2558683U Granted JPS59131570U (en) | 1983-02-23 | 1983-02-23 | distribution type fuel injection pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59131570U (en) |
-
1983
- 1983-02-23 JP JP2558683U patent/JPS59131570U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0143508Y2 (en) | 1989-12-18 |
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