JPS60112673U - fuel injection nozzle - Google Patents
fuel injection nozzleInfo
- Publication number
- JPS60112673U JPS60112673U JP109184U JP109184U JPS60112673U JP S60112673 U JPS60112673 U JP S60112673U JP 109184 U JP109184 U JP 109184U JP 109184 U JP109184 U JP 109184U JP S60112673 U JPS60112673 U JP S60112673U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- needle valve
- whose lower
- fuel injection
- injection nozzle
- 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)
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図は従来の燃料噴射ノズルの作動を説明するための
要部断面図、第２図は本考案の一実施例を示す断面図、
第３図は容積部内の圧力上昇おくれを説明するためのグ
ラフ、第４図は容積部内容積と回転数との関係を示すグ
ラフである。
１．１１・・・ノズルボディ、２，１２・・・油路、３
．１３・・・油溜部、４，１４・・・ニードル弁、５゜
１５・・・スプリング、６，１６・・・噴射孔、２０・
・・第１シリンダ、２３・・・ピストン、２４・：・プ
ラグ、２８・・・絞り孔。FIG. 1 is a sectional view of a main part to explain the operation of a conventional fuel injection nozzle, and FIG. 2 is a sectional view showing an embodiment of the present invention.
FIG. 3 is a graph for explaining the delay in pressure rise within the volume section, and FIG. 4 is a graph showing the relationship between the internal volume of the volume section and the rotation speed. 1.11... Nozzle body, 2, 12... Oil path, 3
．． 13... Oil reservoir, 4, 14... Needle valve, 5° 15... Spring, 6, 16... Injection hole, 20...
...First cylinder, 23... Piston, 24... Plug, 28... Throttle hole.
Claims (1)
の上端にその下端が着座させられていて、同ニードル弁
を常時前記噴射孔を閉鎖すべく付勢するスプリングと、
このスプリングの上端にその下面が当接していて、同ス
プリングを伸縮さすべく移動自在に支持されるピストン
と、前記噴射孔を開放すべく間けつ的に圧力油が給送さ
れる油路と、この油路より前記ピストンの上面に油圧を
おくれで到達さすべく設けた絞り孔とを備えた燃料噴射
ノズル。a needle valve whose lower end opens and closes the injection hole; a spring whose lower end is seated on the upper end of the needle valve and which always biases the needle valve to close the injection hole;
a piston whose lower surface is in contact with the upper end of the spring and is movably supported to expand and contract the spring; and an oil passage through which pressure oil is intermittently fed to open the injection hole. A fuel injection nozzle including a throttle hole provided to allow hydraulic pressure to reach the upper surface of the piston later from the oil passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP109184U JPS60112673U (en) | 1984-01-09 | 1984-01-09 | fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP109184U JPS60112673U (en) | 1984-01-09 | 1984-01-09 | fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60112673U true JPS60112673U (en) | 1985-07-30 |
Family
ID=30473516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP109184U Pending JPS60112673U (en) | 1984-01-09 | 1984-01-09 | fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317863U (en) * | 1986-07-18 | 1988-02-05 |
-
1984
- 1984-01-09 JP JP109184U patent/JPS60112673U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6317863U (en) * | 1986-07-18 | 1988-02-05 |
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