JPS6058869U - Hole type fuel injection nozzle - Google Patents
Hole type fuel injection nozzleInfo
- Publication number
- JPS6058869U JPS6058869U JP15258583U JP15258583U JPS6058869U JP S6058869 U JPS6058869 U JP S6058869U JP 15258583 U JP15258583 U JP 15258583U JP 15258583 U JP15258583 U JP 15258583U JP S6058869 U JPS6058869 U JP S6058869U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- seat
- needle
- tip
- 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
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
第１図は従来例の要部の略示断面図、第２図は本考案の
一実施例を示す要部の略示断面図、第３図はニードルリ
フト量とノズル開口面積との関係図、第４図は噴射率と
ＯＮｘ濃度との特性図である。
１０・・・・・・ニードル、１１・・・・・・ノズルボ
ディ、１２・・・・・・燃料溜り室、１４・・・・・・
スロットル通路、１５・・・・・・サック部、１６・・
・・・・シート部、１７・・・・・・スロットル部、１
８・・・・・・シート部、１９・・・・・・噴口。Fig. 1 is a schematic sectional view of the main parts of the conventional example, Fig. 2 is a schematic sectional view of the main parts of an embodiment of the present invention, and Fig. 3 is a diagram of the relationship between the needle lift amount and the nozzle opening area. , FIG. 4 is a characteristic diagram of injection rate and ONx concentration. 10... Needle, 11... Nozzle body, 12... Fuel reservoir chamber, 14...
Throttle passage, 15...Sack section, 16...
... Seat part, 17... Throttle part, 1
8... Seat part, 19... Spout.
Claims (1)
ことにより、該ボディに摺動自在に嵌挿したニードルを
ノズルスプリングに抗してリフトさせて該ニードル先端
のシート部をノズルボディのシート部から浮上させて前
記燃料溜り室の燃料をノズルボディの先端部に形成した
サック部から噴口を経て燃焼室内に噴射供給させるよう
ｉこ構成した燃料噴射ノズルにおいて、前記ノズルボデ
ィに形成した燃料溜り室とシート部との間にニードルの
摺動方向と平行な円筒状のスロットル通路を介装すると
共に、該スロットル通路に所定の隙間で嵌合するスロッ
トル部を前記ニードルの先端部に形成し、前記ノズルボ
ディのシート部と対接するシート部を前記スロットル部
の先端に形成したことを特徴とするホール型燃料噴射ノ
ズル。By increasing the internal pressure of the fuel reservoir chamber formed in the nozzle body, the needle slidably fitted into the body is lifted against the nozzle spring, and the seat at the tip of the needle is removed from the seat of the nozzle body. In a fuel injection nozzle configured to float and inject the fuel in the fuel reservoir chamber into the combustion chamber from a sack portion formed at the tip of the nozzle body through a nozzle, the fuel reservoir chamber formed in the nozzle body and the fuel reservoir chamber formed in the nozzle body. A cylindrical throttle passage parallel to the sliding direction of the needle is interposed between the seat part and the throttle part that fits into the throttle passage with a predetermined gap is formed at the tip of the needle, and the nozzle 1. A hole-type fuel injection nozzle, characterized in that a seat portion that contacts a seat portion of a body is formed at the tip of the throttle portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15258583U JPS6058869U (en) | 1983-09-30 | 1983-09-30 | Hole type fuel injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15258583U JPS6058869U (en) | 1983-09-30 | 1983-09-30 | Hole type fuel injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6058869U true JPS6058869U (en) | 1985-04-24 |
Family
ID=30337819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15258583U Pending JPS6058869U (en) | 1983-09-30 | 1983-09-30 | Hole type fuel injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6058869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04134666U (en) * | 1991-06-07 | 1992-12-15 | 株式会社ゼクセル | fuel injection nozzle |
-
1983
- 1983-09-30 JP JP15258583U patent/JPS6058869U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04134666U (en) * | 1991-06-07 | 1992-12-15 | 株式会社ゼクセル | fuel injection nozzle |
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