JPS60153876U - fuel injection nozzle - Google Patents
fuel injection nozzleInfo
- Publication number
- JPS60153876U JPS60153876U JP4237084U JP4237084U JPS60153876U JP S60153876 U JPS60153876 U JP S60153876U JP 4237084 U JP4237084 U JP 4237084U JP 4237084 U JP4237084 U JP 4237084U JP S60153876 U JPS60153876 U JP S60153876U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel injection
- seat portion
- injection nozzle
- face portion
- 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)
- Nozzles For Spraying Of Liquid Fuel (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１〜２図は従来の燃料噴射ノズルに係り、第１図ａ、
ｂはその縦断面図およびその先端側の拡大断面図、第
２図はニードルバルブのリフト特性を示すグラフ、第３
〜４図は本考案の燃料噴射ノズルの第１実施例に係り、
第３図は、その先端側の拡大断面図、第４図はその子−
ドルバルブのリフト特性を示すグラフ、第５図は本考案
の第２実施例に係り、燃料噴射ノズルを示す縦断面図で
ある。
２・・・・・・ノズルボディ、４・・・・・・油溜り室
、７・・・・・・シート部、８・・・・・・噴孔、９・
・・・・・バルブ、１３・・・・・・フェイス部、１７
・・・・・・プレッシャスプリング、２１．２５・・・
・・・制動手段。Figures 1 and 2 relate to conventional fuel injection nozzles, and Figure 1a,
b is a longitudinal cross-sectional view and an enlarged cross-sectional view of its tip side, Fig. 2 is a graph showing the lift characteristics of the needle valve, and Fig. 3 is a graph showing the lift characteristics of the needle valve.
Figures 4 to 4 relate to the first embodiment of the fuel injection nozzle of the present invention,
Figure 3 is an enlarged cross-sectional view of its tip side, and Figure 4 is its child.
FIG. 5 is a graph showing the lift characteristics of the dollar valve, and is a vertical sectional view showing the fuel injection nozzle according to the second embodiment of the present invention. 2... Nozzle body, 4... Oil reservoir chamber, 7... Seat part, 8... Nozzle hole, 9...
...Valve, 13...Face part, 17
...Pressure spring, 21.25...
...braking means.
Claims (1)
るノズルボディと、このノズルボディ内に摺動可能に収
納され前記シート部に着座するフェイス部を有するバル
ブと、このバルブを付勢しフェイス部をシート部に着座
させる弾性部材とを備え、油溜り室に導入される燃料油
圧によりバルブをリフトさせる燃料噴射ノズルにおいて
、前記フェイス部がシート部に着座する直前に前記バル
ブの着座速度を緩和する制動手段を備えたことを特徴と
する燃料噴射ノズル。A nozzle body having a nozzle hole at its tip and having an oil reservoir chamber and a seat portion inside, a valve having a face portion slidably housed in the nozzle body and seated on the seat portion, and energizing the valve. and an elastic member for seating the face portion on the seat portion, and in which the valve is lifted by fuel oil pressure introduced into an oil reservoir chamber, the seating speed of the valve is adjusted immediately before the face portion is seated on the seat portion. A fuel injection nozzle characterized in that it is equipped with a braking means for mitigating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4237084U JPS60153876U (en) | 1984-03-23 | 1984-03-23 | fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4237084U JPS60153876U (en) | 1984-03-23 | 1984-03-23 | fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60153876U true JPS60153876U (en) | 1985-10-14 |
Family
ID=30553063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4237084U Pending JPS60153876U (en) | 1984-03-23 | 1984-03-23 | fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60153876U (en) |
-
1984
- 1984-03-23 JP JP4237084U patent/JPS60153876U/en active Pending
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