JPS61118967U - - Google Patents
Info
- Publication number
- JPS61118967U JPS61118967U JP231585U JP231585U JPS61118967U JP S61118967 U JPS61118967 U JP S61118967U JP 231585 U JP231585 U JP 231585U JP 231585 U JP231585 U JP 231585U JP S61118967 U JPS61118967 U JP S61118967U
- Authority
- JP
- Japan
- Prior art keywords
- oil reservoir
- needle
- groove
- nozzle body
- fuel injection
- 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
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係るデイーゼルエ
ンジンの燃料噴射ノズルの縦断面図、第２図は一
部を断面表示した燃料噴射ノズルの全体図、第３
図は第１図の装置のニードルの動きと燃料噴射過
程を示す部分縦断面図であり、イは噴射前の状態
、ロはパイロツト噴射状態、ハは噴射停止状態、
ニは本噴射状態を示す図、第４図はニードル移動
量と噴射燃料の流量との関係図、である。
３……燃料噴射ノズル、４……ノズルボデー、
５……ニードル、７……プレツシヤスプリング、
８……燃料通路、９……油溜り、１０……噴口、
１１……シート部、１２……摺接面、１３……溝
、１４……第２油溜り、１５……連通路。
FIG. 1 is a longitudinal cross-sectional view of a fuel injection nozzle for a diesel engine according to an embodiment of the present invention, FIG.
The figure is a partial vertical sectional view showing the movement of the needle and the fuel injection process of the device shown in Figure 1, where A is the state before injection, B is the pilot injection state, C is the injection stopped state,
D is a diagram showing the main injection state, and FIG. 4 is a diagram showing the relationship between the needle movement amount and the flow rate of the injected fuel. 3...Fuel injection nozzle, 4...Nozzle body,
5... Needle, 7... Pressure spring,
8... Fuel passage, 9... Oil reservoir, 10... Nozzle,
11...Seat portion, 12...Sliding surface, 13...Groove, 14...Second oil reservoir, 15...Communication path.
Claims (1)
てきた燃料を一時的に溜める油溜りを備えるとと
もに、ニードル先端部とノズルボデー内面とによ
つて形成されるシート部の開閉により前記油溜り
から送られてくる燃料の噴射を制御するデイーゼ
ルエンジンの燃料噴射ノズルにおいて、前記ノズ
ルボデーの油溜りとシート部との間をニードルの
摺接面に形成し、該ノズルボデーの摺接面に、前
記油溜りに連通する溝と、該溝のシート部側に該
溝とは独立に形成されシート部に連通する第２油
溜りとを設け、ニードルには前記溝と前記第２油
溜りとを連通可能な連通路を設けたことを特徴と
するデイーゼルエンジンの燃料噴射ノズル。 A needle is inserted into the nozzle body, and an oil reservoir is provided to temporarily store the supplied fuel, and the oil is sent from the reservoir by opening and closing a seat formed by the tip of the needle and the inner surface of the nozzle body. In a fuel injection nozzle for a diesel engine that controls fuel injection, a sliding surface of a needle is formed between an oil reservoir and a seat portion of the nozzle body, and a groove communicating with the oil reservoir is formed on the sliding surface of the nozzle body. and a second oil reservoir formed independently of the groove on the seat side of the groove and communicating with the seat, and the needle is provided with a communication path that allows communication between the groove and the second oil reservoir. A fuel injection nozzle for a diesel engine that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP231585U JPS61118967U (en) | 1985-01-14 | 1985-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP231585U JPS61118967U (en) | 1985-01-14 | 1985-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61118967U true JPS61118967U (en) | 1986-07-26 |
Family
ID=30475875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP231585U Pending JPS61118967U (en) | 1985-01-14 | 1985-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61118967U (en) |
-
1985
- 1985-01-14 JP JP231585U patent/JPS61118967U/ja active Pending