JPS63150075U - - Google Patents
Info
- Publication number
- JPS63150075U JPS63150075U JP19412786U JP19412786U JPS63150075U JP S63150075 U JPS63150075 U JP S63150075U JP 19412786 U JP19412786 U JP 19412786U JP 19412786 U JP19412786 U JP 19412786U JP S63150075 U JPS63150075 U JP S63150075U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- fuel supply
- supply passage
- bypass passage
- 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
- 239000000446 fuel Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図乃至第４図は本考案の一実施例を示すも
ので、第１図は燃料噴射ノズルを採用したユニツ
トインジエクタの縦断面図、第２図は第１図の
―線に沿う断面図、第３図は第１図の要部拡大
断面図、第４図は弁部材が開弁した状態を示す第
３図と同状の断面図、第５図乃至第６図は本考案
の他の実施例を示すもので、第５図は第３図と同
状の断面図、第６図は第４図と同状の断面図であ
る。
１０…噴孔、３ｂ…燃料流入口、１９，１９´
…弁部材、１９ａ，１９´ａ…絞り孔、２２…板
ばね（ばね）、Ａ…燃料供給通路、Ｂ…バイパス
通路。
Figures 1 to 4 show an embodiment of the present invention. Figure 1 is a longitudinal cross-sectional view of a unit injector that employs a fuel injection nozzle, and Figure 2 is a cross-sectional view taken along the line - in Figure 1. 3 is an enlarged sectional view of the main part of FIG. 1, FIG. 4 is a sectional view similar to FIG. 3 showing the state in which the valve member is opened, and FIGS. Another embodiment is shown, in which FIG. 5 is a sectional view similar to FIG. 3, and FIG. 6 is a sectional view similar to FIG. 4. 10... Nozzle hole, 3b... Fuel inlet, 19, 19'
...Valve member, 19a, 19'a... Throttle hole, 22... Leaf spring (spring), A... Fuel supply passage, B... Bypass passage.
Claims (1)
にバイパス通路を設けると共に、前記燃料供給通
路の途中に、該燃料供給通路と前記バイパス通路
との間を開閉するとと共に該バイパス通路の通路
断面積より小さな通路断面積の絞り孔を有する弁
部材を軸方向に所定範囲移動可能に設け、該弁部
材をばねにて前記燃料供給通路と前記バイパス通
路との間を閉塞する方向に付勢してなることを特
徴とする燃料噴射ノズル。 A bypass passage is provided in the middle of the fuel supply passage between the fuel inlet and the nozzle hole, and a bypass passage is provided in the middle of the fuel supply passage to open and close between the fuel supply passage and the bypass passage. A valve member having a throttle hole having a cross-sectional area smaller than the cross-sectional area of the passage is provided so as to be movable within a predetermined range in the axial direction, and the valve member is biased by a spring in a direction to close the gap between the fuel supply passage and the bypass passage. A fuel injection nozzle characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19412786U JPS63150075U (en) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19412786U JPS63150075U (en) | 1986-12-17 | 1986-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63150075U true JPS63150075U (en) | 1988-10-03 |
Family
ID=31150807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19412786U Pending JPS63150075U (en) | 1986-12-17 | 1986-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63150075U (en) |
-
1986
- 1986-12-17 JP JP19412786U patent/JPS63150075U/ja active Pending