JPS59186479U - Nozzle hole shape of multi-hole nozzle fuel injection valve - Google Patents
Nozzle hole shape of multi-hole nozzle fuel injection valveInfo
- Publication number
- JPS59186479U JPS59186479U JP8016183U JP8016183U JPS59186479U JP S59186479 U JPS59186479 U JP S59186479U JP 8016183 U JP8016183 U JP 8016183U JP 8016183 U JP8016183 U JP 8016183U JP S59186479 U JPS59186479 U JP S59186479U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- hole
- fuel injection
- injection valve
- cylinder block
- 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
- Combustion Methods Of Internal-Combustion Engines (AREA)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はシリンダブロックに対して斜めに挿着した多孔
ノズル型燃料噴射弁の状態を示したディーゼル機関の部
分断面図、第２図は第１図に示す多孔ノズル型燃料噴射
弁のノズル部分拡大図、第３図は縦長および横長楕円形
状の噴孔を示すノズルの平面図、第４図は噴霧の拡散状
態を示す図である。
１・・・燃料噴射弁、１０ａ・・・シリンダブロック内
側頂面、２・・・噴射ノズル、１２・・・燃焼室、３．
４・・・噴孔、Ａ・・・噴孔中心線、１０・・・シリン
ダブロック、Ｂ・・・燃料噴射弁軸線。Figure 1 is a partial cross-sectional view of a diesel engine showing a multi-hole nozzle fuel injection valve inserted diagonally into the cylinder block, and Figure 2 is a nozzle portion of the multi-hole nozzle fuel injection valve shown in Figure 1. An enlarged view, FIG. 3 is a plan view of the nozzle showing vertically elongated and horizontally elongated nozzle holes, and FIG. 4 is a diagram showing the state of spray diffusion. DESCRIPTION OF SYMBOLS 1... Fuel injection valve, 10a... Cylinder block inner top surface, 2... Injection nozzle, 12... Combustion chamber, 3.
4... Nozzle hole, A... Nozzle hole center line, 10... Cylinder block, B... Fuel injection valve axis.
Claims (1)
シリンダブロックに斜めに挿着する多孔ノズル型燃料噴
射弁において、前記シリンダブロックの内側頂面に対し
ほぼ平行な中心線を有して前記多孔ノズルに形成される
噴孔が前記燃料噴射弁の軸線とシリンダブロック内側頂
面とが鋭角をなす方向では縦長楕円形状に、□前記軸線
とシリンダブロック内側頂面とが鈍角をなす方向では横
長楕円形状に形成されていることを特徴とする、多孔ノ
ズル型燃料噴射弁の噴孔形状。In a multi-hole nozzle fuel injection valve in which a multi-hole nozzle projects into the combustion chamber of a fuel injection internal combustion engine and is inserted diagonally into a cylinder block, the fuel injection valve has a center line substantially parallel to the inner top surface of the cylinder block; The nozzle hole formed in the multi-hole nozzle has a vertically elongated elliptical shape in the direction where the axis of the fuel injector and the inner top surface of the cylinder block form an acute angle, and □ it has a horizontally elongated shape in the direction where the axis and the inner top surface of the cylinder block form an obtuse angle. The nozzle hole shape of a multi-nozzle fuel injection valve is characterized by being formed in an elliptical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8016183U JPS59186479U (en) | 1983-05-30 | 1983-05-30 | Nozzle hole shape of multi-hole nozzle fuel injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8016183U JPS59186479U (en) | 1983-05-30 | 1983-05-30 | Nozzle hole shape of multi-hole nozzle fuel injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59186479U true JPS59186479U (en) | 1984-12-11 |
Family
ID=30210153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8016183U Pending JPS59186479U (en) | 1983-05-30 | 1983-05-30 | Nozzle hole shape of multi-hole nozzle fuel injection valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59186479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315193A (en) * | 1987-06-16 | 1988-12-22 | Taisei Corp | Single tank type waste treating device |
| JP2009222057A (en) * | 2008-03-13 | 2009-10-01 | Man Diesel Se | Injection valve for direct injection |
-
1983
- 1983-05-30 JP JP8016183U patent/JPS59186479U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63315193A (en) * | 1987-06-16 | 1988-12-22 | Taisei Corp | Single tank type waste treating device |
| JP2009222057A (en) * | 2008-03-13 | 2009-10-01 | Man Diesel Se | Injection valve for direct injection |
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