JPS6218369U - - Google Patents
Info
- Publication number
- JPS6218369U JPS6218369U JP10961085U JP10961085U JPS6218369U JP S6218369 U JPS6218369 U JP S6218369U JP 10961085 U JP10961085 U JP 10961085U JP 10961085 U JP10961085 U JP 10961085U JP S6218369 U JPS6218369 U JP S6218369U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- passage hole
- oil passage
- oil reservoir
- nozzle body
- 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 6
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第1図は本考案の一実施例の構成を示す断面図
。第2図は本考案の一実施例におけるノズル部断
面図。第3図および第4図は本考案の一実施例の
作用説明に供する模式図および特性を示す線図。
1……ノズル本体、2……針弁、7,8,11
および12……通油路、9……連通孔、10……
油溜室、13……鍔付スリーブ、15および18
……スプリング、V……弁座。
FIG. 1 is a sectional view showing the configuration of an embodiment of the present invention. FIG. 2 is a sectional view of a nozzle portion in an embodiment of the present invention. FIGS. 3 and 4 are schematic diagrams and characteristic diagrams for explaining the operation of an embodiment of the present invention. 1... Nozzle body, 2... Needle valve, 7, 8, 11
and 12...oil passage, 9...communication hole, 10...
Oil sump chamber, 13...Flanged sleeve, 15 and 18
...Spring, V...Valve seat.
Claims (1)
ばね手段により弁座に弾発的に押圧された針弁を
備え、前記針弁に第1の通油孔を通して燃料を導
き、燃料圧力にともなつて開弁させる燃料噴射弁
において、前記ノズル本体の軸方向途中に設けら
れかつ前記針弁との間で油溜室を形成する凹部と
、前記第1の通油孔と前記油溜室内とを連通させ
る連通孔と、前記油溜室内に燃料を導く第2の通
油孔と、前記ノズル本体の弁座の反対側部と前記
針弁との間に嵌装されかつ前記油溜室内燃料圧力
を受け該圧力にともなつて前記連通孔を選択的に
開放するスリーブと、前記スリーブを前記連通孔
閉止方向に付勢する第2のばね手段とを備えてな
ることを特徴とする燃料噴射弁。 A needle valve is inserted into the nozzle body so as to be able to move forward and backward and is elastically pressed against a valve seat by a first spring means, and fuel is introduced into the needle valve through a first oil passage hole to adjust the fuel pressure. In the fuel injection valve that is opened at the same time, a recess is provided in the middle of the nozzle body in the axial direction and forms an oil reservoir chamber between the first oil passage hole and the oil reservoir chamber. a second oil passage hole for introducing fuel into the oil reservoir; a second oil passage hole that is fitted between the opposite side of the valve seat of the nozzle body and the needle valve and that communicates with the oil reservoir; A fuel comprising: a sleeve that receives fuel pressure and selectively opens the communication hole in accordance with the pressure; and a second spring means that biases the sleeve in a direction to close the communication hole. injection valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10961085U JPS6218369U (en) | 1985-07-19 | 1985-07-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10961085U JPS6218369U (en) | 1985-07-19 | 1985-07-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6218369U true JPS6218369U (en) | 1987-02-03 |
Family
ID=30987859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10961085U Pending JPS6218369U (en) | 1985-07-19 | 1985-07-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6218369U (en) |
-
1985
- 1985-07-19 JP JP10961085U patent/JPS6218369U/ja active Pending