JPS6123463U - Fuel injection nozzle for internal combustion engine - Google Patents
Fuel injection nozzle for internal combustion engineInfo
- Publication number
- JPS6123463U JPS6123463U JP10915484U JP10915484U JPS6123463U JP S6123463 U JPS6123463 U JP S6123463U JP 10915484 U JP10915484 U JP 10915484U JP 10915484 U JP10915484 U JP 10915484U JP S6123463 U JPS6123463 U JP S6123463U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- seat surface
- fuel injection
- internal combustion
- 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.)
- 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
図面は本考案の一実施例を示し、第１図は本考案の燃料
噴射ノズルの縦断面図、第２図は第１図の■円部分の拡
大図、第３図はａ／ｂとカーボン詰り率αとの関係を示
す図である。
１・・・燃料噴射ノズル、２・・・ノズル本体、３・・
・針弁、６・・・ノズル本体シート面、７・・・主噴孔
、訃・・補助噴孔、１３・・・針弁シニト面、１４・・
・ピントル。The drawings show one embodiment of the present invention. Fig. 1 is a vertical cross-sectional view of the fuel injection nozzle of the invention, Fig. 2 is an enlarged view of the circle part in Fig. 1, and Fig. 3 is a/b and carbon. It is a figure which shows the relationship with clogging rate (alpha). 1... Fuel injection nozzle, 2... Nozzle body, 3...
・Needle valve, 6... Nozzle body seat surface, 7... Main nozzle hole, tail... Auxiliary nozzle hole, 13... Needle valve shinito surface, 14...
・Pintle.
Claims (1)
本体と、該ノズル本体内に摺動自在に配設され且つ前記
主噴孔を開閉するピントル及び前記ノズル本体シート面
に接離子るシ一ト面を有する斜弁とを具備してなる内燃
欅関用燃料噴射ノズルにおいて、前記補助噴孔の一端を
前記ノズル本体シート面に開口させると共に、該開口中
心部から、前記ノズル本体シート面に着座した状態にお
ける前記針弁シート面の上端までの寸法を、該針弁シ一
ト面幅寸法の４０％〜８０％の範囲に設定したことを特
徴とする内燃機関用燃料噴射ノズル。A nozzle body each having a main nozzle hole, an auxiliary nozzle hole, and a seat surface, a pintle that is slidably disposed within the nozzle body and opens and closes the main nozzle hole, and a seal that is attached to the seat surface of the nozzle body. In the fuel injection nozzle for internal combustion, the auxiliary nozzle is opened at the seat surface of the nozzle main body at one end, and from the center of the opening is opened at the seat surface of the nozzle main body. A fuel injection nozzle for an internal combustion engine, characterized in that the dimension of the needle valve seat surface to the upper end in a seated state is set in a range of 40% to 80% of the needle valve seat surface width dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10915484U JPS6123463U (en) | 1984-07-19 | 1984-07-19 | Fuel injection nozzle for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10915484U JPS6123463U (en) | 1984-07-19 | 1984-07-19 | Fuel injection nozzle for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6123463U true JPS6123463U (en) | 1986-02-12 |
Family
ID=30668318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10915484U Pending JPS6123463U (en) | 1984-07-19 | 1984-07-19 | Fuel injection nozzle for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6123463U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920524A (en) * | 1982-07-26 | 1984-02-02 | Isuzu Motors Ltd | Diesel engine |
| JPS60261974A (en) * | 1984-06-11 | 1985-12-25 | Isuzu Motors Ltd | Fuel injection nozzle for diesel engine |
-
1984
- 1984-07-19 JP JP10915484U patent/JPS6123463U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5920524A (en) * | 1982-07-26 | 1984-02-02 | Isuzu Motors Ltd | Diesel engine |
| JPS60261974A (en) * | 1984-06-11 | 1985-12-25 | Isuzu Motors Ltd | Fuel injection nozzle for diesel engine |
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