JPS611660U - Diesel engine fuel injection nozzle - Google Patents
Diesel engine fuel injection nozzleInfo
- Publication number
- JPS611660U JPS611660U JP8608584U JP8608584U JPS611660U JP S611660 U JPS611660 U JP S611660U JP 8608584 U JP8608584 U JP 8608584U JP 8608584 U JP8608584 U JP 8608584U JP S611660 U JPS611660 U JP S611660U
- Authority
- JP
- Japan
- Prior art keywords
- needle valve
- valve
- nozzle
- fuel injection
- diesel engine
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
添付図面はこの考案の一実施例に係り、第１図は燃料噴
射ノズルの断面図、第２図は第１図の燃料噴射ノズルに
上る低スワール時における噴射パターンを示す説明図、
第３図は同高スワール時における噴射パターンを示す説
明図である。
（図面の主要部を表す符号の説明）、１・・・・・・ノ
ズルボデイ、９・・・・・・第１二一ドルバルブ、２３
・・・・・・噴孔（第１噴孔群）、２７・・・・・・第
１導油通路、２９・・・・・・切換弁、３１・・・・・
・仕切部材、３７・・・・・・第２二一ドルバルブ、４
１・・・・・・第２導油通路、５１・・・・・・噴孔（
第２噴孔群）、５５・・・・・・燃料供給通路。[BRIEF DESCRIPTION OF THE DRAWINGS] The attached drawings relate to an embodiment of this invention, in which Fig. 1 is a sectional view of the fuel injection nozzle, and Fig. 2 shows the injection pattern at the time of low swirl rising to the fuel injection nozzle in Fig. 1. An explanatory diagram showing,
FIG. 3 is an explanatory diagram showing the injection pattern during the same height swirl. (Explanation of symbols representing main parts of the drawings), 1...Nozzle body, 9...1st 21 dollar valve, 23
... Nozzle hole (first nozzle hole group), 27 ... First oil guide passage, 29 ... Switching valve, 31 ...
・Partition member, 37...Second twenty-one dollar valve, 4
1...Second oil guide passage, 51...Nozzle hole (
(second nozzle hole group), 55... fuel supply passage.
Claims (1)
の第１噴孔群を開閉する中空状の第１ニ一ドルバルブと
、第１ニードルバルブ内に前記噴孔の第２噴孔群を開閉
する第２ニードルバルブと、第１ニードルバルブと第２
ニードルバルブとの間に配設した中空状の仕切部材と、
前記第１二一ドルバルブを移動させるべく燃圧を供給す
る第１導油通路と、前記第２二一ドルバルブを移動させ
るべく燃圧を供給する第２導油通路と、この両通路のど
ちらか一方を運転状態に応じて燃料供給通路に連通させ
る切換弁とを設けたことを特徴とするディーゼルエンジ
ンの燃料噴射ノズル。A hollow first needle valve that opens and closes a first group of the nozzle holes in a nozzle body having a plurality of nozzle holes at the tip thereof, and a second nozzle hole group of the nozzle holes inside the first needle valve. a second needle valve that opens and closes the first needle valve and the second needle valve;
A hollow partition member disposed between the needle valve and the
A first oil guide passage that supplies fuel pressure to move the first 21-dollar valve; a second oil guide passage that supplies fuel pressure to move the second 21-dollar valve; and one of these passages. A fuel injection nozzle for a diesel engine, characterized in that it is provided with a switching valve that communicates with a fuel supply passage depending on operating conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8608584U JPS611660U (en) | 1984-06-12 | 1984-06-12 | Diesel engine fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8608584U JPS611660U (en) | 1984-06-12 | 1984-06-12 | Diesel engine fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS611660U true JPS611660U (en) | 1986-01-08 |
Family
ID=30637064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8608584U Pending JPS611660U (en) | 1984-06-12 | 1984-06-12 | Diesel engine fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015151908A (en) * | 2014-02-13 | 2015-08-24 | 株式会社デンソー | fuel injection valve |
| JP2016050557A (en) * | 2014-09-02 | 2016-04-11 | 株式会社日本自動車部品総合研究所 | Fuel injection valve |
-
1984
- 1984-06-12 JP JP8608584U patent/JPS611660U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015151908A (en) * | 2014-02-13 | 2015-08-24 | 株式会社デンソー | fuel injection valve |
| JP2016050557A (en) * | 2014-09-02 | 2016-04-11 | 株式会社日本自動車部品総合研究所 | Fuel injection valve |
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