JPH0465961U - - Google Patents
Info
- Publication number
- JPH0465961U JPH0465961U JP10584090U JP10584090U JPH0465961U JP H0465961 U JPH0465961 U JP H0465961U JP 10584090 U JP10584090 U JP 10584090U JP 10584090 U JP10584090 U JP 10584090U JP H0465961 U JPH0465961 U JP H0465961U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- nozzle
- oil reservoir
- reservoir chamber
- injection nozzle
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 2
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の一実施例を示すシリンダヘ
ツドを下から見た図、第２図はシリンダヘツド部
の縦断面図、第３図は燃料噴射ノズルの縦断面図
、第４図は同じく排気側からみた燃料噴射ノズル
の斜視図、第５図と第６図は他の実施例の燃料噴
射ノズルの縦断面図、第７図は別の他の実施例を
示すシリンダヘツドを下から見た図、第８図は同
じくシリンダヘツド部の縦断面図である。
１……シリンダヘツド、４……燃料噴射ノズル
、５……燃焼室、７，８……吸気バルブ、９，１
０……排気バルブ、１２……ノズルニードル、１
５……油溜り室、１７……燃料通路、１７ａ，１
７ｂ……分岐通路、１８……燃料通路、１８ａ，
１８ｂ……分岐通路、２１……ガイド、３１……
ピントル型の燃料噴射ノズル、３２……燃料噴射
ノズル、３３……吸気バルブ、３４……排気バル
ブ。
Figure 1 is a bottom view of a cylinder head showing an embodiment of this invention, Figure 2 is a vertical sectional view of the cylinder head, Figure 3 is a vertical sectional view of the fuel injection nozzle, and Figure 4 is the same. A perspective view of the fuel injection nozzle seen from the exhaust side, FIGS. 5 and 6 are longitudinal sectional views of the fuel injection nozzle of another embodiment, and FIG. 7 is a cylinder head showing another embodiment viewed from below. FIG. 8 is a longitudinal sectional view of the cylinder head portion. 1... Cylinder head, 4... Fuel injection nozzle, 5... Combustion chamber, 7, 8... Intake valve, 9, 1
0... Exhaust valve, 12... Nozzle needle, 1
5...Oil sump chamber, 17...Fuel passage, 17a, 1
7b...branch passage, 18...fuel passage, 18a,
18b...branch passage, 21...guide, 31...
Pintle-type fuel injection nozzle, 32...Fuel injection nozzle, 33...Intake valve, 34...Exhaust valve.
Claims (1)
ニードルと、このノズルニードルの摺動部よりも
噴孔側に区画される油溜り室と、この油溜り室に
燃料を供給する燃料通路とを備え、前記油溜り室
に送られる燃料の圧力に応じて前記ノズルニード
ルがリフトし燃料を噴射するようにした燃料噴射
ノズルを、燃焼室のほぼ中央に取りつけ、この噴
射ノズルのまわりに吸排気バルブを配置した直噴
式デイーゼルエンジンにおいて、前記油溜り室へ
の燃料通路を前記排気バルブの側に位置させるよ
うにしたことを特徴とする直噴式デイーゼルエン
ジンの燃料噴射ノズル。 A nozzle needle provided slidably within the nozzle body, an oil reservoir chamber defined closer to the nozzle hole than the sliding portion of the nozzle needle, and a fuel passage for supplying fuel to the oil reservoir chamber; A fuel injection nozzle whose nozzle needle lifts to inject fuel in response to the pressure of the fuel sent to the oil sump chamber is installed approximately in the center of the combustion chamber, and intake and exhaust valves are arranged around the injection nozzle. 1. A fuel injection nozzle for a direct injection diesel engine, wherein the fuel passage to the oil reservoir chamber is located on a side of the exhaust valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10584090U JP2521329Y2 (en) | 1990-10-08 | 1990-10-08 | Fuel injection nozzle for direct injection diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10584090U JP2521329Y2 (en) | 1990-10-08 | 1990-10-08 | Fuel injection nozzle for direct injection diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0465961U true JPH0465961U (en) | 1992-06-09 |
| JP2521329Y2 JP2521329Y2 (en) | 1996-12-25 |
Family
ID=31851687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10584090U Expired - Lifetime JP2521329Y2 (en) | 1990-10-08 | 1990-10-08 | Fuel injection nozzle for direct injection diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521329Y2 (en) |
-
1990
- 1990-10-08 JP JP10584090U patent/JP2521329Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521329Y2 (en) | 1996-12-25 |
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