JPS6155164U - - Google Patents
Info
- Publication number
- JPS6155164U JPS6155164U JP13857484U JP13857484U JPS6155164U JP S6155164 U JPS6155164 U JP S6155164U JP 13857484 U JP13857484 U JP 13857484U JP 13857484 U JP13857484 U JP 13857484U JP S6155164 U JPS6155164 U JP S6155164U
- Authority
- JP
- Japan
- Prior art keywords
- overflow
- injection pump
- fuel injection
- fuel
- passage
- 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
- High-Pressure Fuel Injection Pump Control (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の１実施例を示す要部縦断面図
、第２図は従来のオーバーフローバルブを装着し
た分配型燃料噴射ポンプの縦断面図、第３図は従
来のオーバーフローバルブの他の態様を示す縦断
面図、第４図及び第５図は夫々本考案の他の実施
例を示す要部縦断面図である。
２９……燃料噴射ポンプの燃例入口、３０ａ…
…オーバーフローポート、３１……オーバーフロ
ーバルブ、３２……バルブ本体、３３……コネク
タ、３６……フイルタ、３８……プランジヤ、３
９……スプリング、４１……オリフイス、４５…
…ソレノイドコイル、４６……車速スイツチ、５
３……第１の環状空間、５４……第２の環状空間
、５５……第１のオーバーフロー通路、５６……
第２のオーバーフロー通路、６３，６４，６５…
…オリフイス、７０，７０ａ，７０ｂ……溝、７
１，７１ａ，７１ｂ……オリフイス。
Fig. 1 is a vertical cross-sectional view of essential parts showing one embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view of a distribution type fuel injection pump equipped with a conventional overflow valve, and Fig. 3 is a longitudinal cross-sectional view of a distribution type fuel injection pump equipped with a conventional overflow valve. FIGS. 4 and 5 are longitudinal sectional views showing main parts of other embodiments of the present invention, respectively. 29...Fuel injection pump inlet, 30a...
... Overflow port, 31 ... Overflow valve, 32 ... Valve body, 33 ... Connector, 36 ... Filter, 38 ... Plunger, 3
9... Spring, 41... Orifice, 45...
... Solenoid coil, 46 ... Vehicle speed switch, 5
3...First annular space, 54...Second annular space, 55...First overflow passage, 56...
Second overflow passage, 63, 64, 65...
...Orifice, 70, 70a, 70b...Groove, 7
1, 71a, 71b...orifice.
Claims (1)
１のオーバーフロー通路を介して燃料タンクに接
続すると共に第２のオーバーフロー通路を介して
燃料噴射ポンペの燃料入口に接続し、前記第２の
オーバーフロー通路を機関運転状態に応じて開閉
するオーバーフローバルブを設けて、該オーバー
フローバルブに前記夫々の第１及び第２のオーバ
ーフロー通路より小さい開口面積のオーバーフロ
ー用オリフイスを開設したことを特徴とする燃料
噴射ポンプのオーバーフロー制御装置。 An overflow port of the fuel injection pump is connected to the fuel tank via a first overflow passage and to a fuel inlet of the fuel injection pump via a second overflow passage, and the second overflow passage is connected to the fuel inlet of the fuel injection pump during engine operation. An overflow control device for a fuel injection pump, characterized in that an overflow valve that opens and closes in accordance with the above is provided, and an overflow orifice having an opening area smaller than that of each of the first and second overflow passages is provided in the overflow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13857484U JPS6155164U (en) | 1984-09-14 | 1984-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13857484U JPS6155164U (en) | 1984-09-14 | 1984-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6155164U true JPS6155164U (en) | 1986-04-14 |
Family
ID=30696962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13857484U Pending JPS6155164U (en) | 1984-09-14 | 1984-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6155164U (en) |
-
1984
- 1984-09-14 JP JP13857484U patent/JPS6155164U/ja active Pending