JPS623966U - - Google Patents
Info
- Publication number
- JPS623966U JPS623966U JP9507385U JP9507385U JPS623966U JP S623966 U JPS623966 U JP S623966U JP 9507385 U JP9507385 U JP 9507385U JP 9507385 U JP9507385 U JP 9507385U JP S623966 U JPS623966 U JP S623966U
- Authority
- JP
- Japan
- Prior art keywords
- needle valve
- small diameter
- nozzle
- sliding hole
- nozzle body
- 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
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例を示す燃料噴射ノズ
ルの断面図、第２図は同上の噴射率等の特性図、
第３図は従来例を示す燃料噴射ノズルの断面図で
ある。
１……針弁、２……ノズルボデイ、３……小径
部、４……摺動孔、７……スプリング、１０，１
１……圧力ステージ、１２……燃料溜まり、１５
……高圧燃料通路、１６……内部通路、１７……
サツク部、１８……分配ポート、１９Ａ，１９Ｂ
，１９Ｃ……噴孔。
FIG. 1 is a cross-sectional view of a fuel injection nozzle showing an embodiment of the present invention, FIG. 2 is a characteristic diagram of the injection rate, etc. of the same as above,
FIG. 3 is a sectional view of a conventional fuel injection nozzle. 1...Needle valve, 2...Nozzle body, 3...Small diameter part, 4...Sliding hole, 7...Spring, 10,1
1...Pressure stage, 12...Fuel reservoir, 15
...High pressure fuel passage, 16... Internal passage, 17...
Suck part, 18...Distribution port, 19A, 19B
, 19C... Nozzle hole.
Claims (1)
端の小径部をノズルボデイの摺動孔に摺動自在に
嵌合し、針弁の圧力ステージを囲んでノズルボデ
イとの間に形成される燃料溜まりを針弁の内部通
路を介して針弁の小径部先端面と摺動孔の閉塞端
との間のサツク部に連通させ、針弁の小径部の摺
動面に内部通路と連通する分配ポートを開設し、
ノズルボデイの摺動孔の摺動面に針弁のリフトと
共に分配ポートと順次合致する複数の噴孔を形成
したことを特徴とする燃料噴射ノズル。 In a fuel injection nozzle for an internal combustion engine, the small diameter part at the tip of the needle valve is slidably fitted into the sliding hole of the nozzle body, and the needle is inserted into the fuel pool that surrounds the pressure stage of the needle valve and forms between it and the nozzle body. A distribution port is established on the sliding surface of the small diameter portion of the needle valve to communicate with the sac between the tip surface of the small diameter portion of the needle valve and the closed end of the sliding hole through the internal passage of the valve. death,
A fuel injection nozzle characterized in that a plurality of nozzle holes are formed on a sliding surface of a sliding hole of a nozzle body to sequentially align with a distribution port along with the lift of a needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9507385U JPS623966U (en) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9507385U JPS623966U (en) | 1985-06-25 | 1985-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS623966U true JPS623966U (en) | 1987-01-10 |
Family
ID=30654028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9507385U Pending JPS623966U (en) | 1985-06-25 | 1985-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS623966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161166A (en) * | 1988-12-12 | 1990-06-21 | Diesel Kiki Co Ltd | Fuel injection nozzle |
| JP2010512484A (en) * | 2006-12-15 | 2010-04-22 | マーン・ディーゼール・フィリアル・アーエフ・マーン・ディーゼール・エスエー・ティスクランド | Fuel injector for internal combustion engines |
-
1985
- 1985-06-25 JP JP9507385U patent/JPS623966U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02161166A (en) * | 1988-12-12 | 1990-06-21 | Diesel Kiki Co Ltd | Fuel injection nozzle |
| JP2010512484A (en) * | 2006-12-15 | 2010-04-22 | マーン・ディーゼール・フィリアル・アーエフ・マーン・ディーゼール・エスエー・ティスクランド | Fuel injector for internal combustion engines |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS623966U (en) | ||
| JPH0158770U (en) | ||
| JPH01130066U (en) | ||
| JPH03110135U (en) | ||
| JPS61171869U (en) | ||
| JPS63191267U (en) | ||
| JPS6336662U (en) | ||
| JPS6264867U (en) | ||
| JPS6271372U (en) | ||
| JPS5818064U (en) | Fuel injection nozzle for internal combustion engine | |
| JPS6352970U (en) | ||
| JPS63126554U (en) | ||
| JPS589925U (en) | Flow path control device for helical intake port | |
| JPH0365862U (en) | ||
| JPS63191268U (en) | ||
| JPS62116164U (en) | ||
| JPS61175565U (en) | ||
| JPS63102955U (en) | ||
| JPS643063U (en) | ||
| JPS6264866U (en) | ||
| JPS6393469U (en) | ||
| JPH0313429U (en) | ||
| JPS6186525U (en) | ||
| JPS6180365U (en) | ||
| JPS6415765U (en) |