JPS63140172U - - Google Patents
Info
- Publication number
- JPS63140172U JPS63140172U JP3270087U JP3270087U JPS63140172U JP S63140172 U JPS63140172 U JP S63140172U JP 3270087 U JP3270087 U JP 3270087U JP 3270087 U JP3270087 U JP 3270087U JP S63140172 U JPS63140172 U JP S63140172U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- needle valve
- suction hole
- injection nozzle
- tip
- 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 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の燃料噴射ノズルの一部破断断
面図、第２図は第１図の要部拡大断面図、第３図
は第２の―断面図、第４図は第２実施例の要
部拡大断面図、第５図は第４図の―線断面図
、第６図は従来の燃料噴射ノズルの要部断面図で
ある。
３；ニードル弁、４；サツクホール、５ａ〜５
ｃ；噴口、６；切欠き部。
Fig. 1 is a partially cutaway sectional view of the fuel injection nozzle of the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, Fig. 3 is a second sectional view, and Fig. 4 is a second embodiment. 5 is a sectional view taken along the line -- in FIG. 4, and FIG. 6 is a sectional view of the main part of a conventional fuel injection nozzle. 3; needle valve, 4; suction hole, 5a-5
c; spout, 6; notch.
Claims (1)
、サツクホールの入口をニードル弁が開閉可能と
なつており、燃料噴射ポンプからの燃料の圧力に
よりニードル弁を開放作動する燃料噴射ノズルに
おいて、ニードル弁先端部もしくはサツクホール
に非対称形部を形成して、複数の噴口からの燃料
噴出開始時に差を設けたことを特徴とする燃料噴
射ノズル。 (2) ニードル弁先端の一側に切欠を設けたこと
を特徴とする実用新案登録請求の範囲第１項の燃
料噴射ノズル。 (3) サツクホールの中心軸とニードル弁の中心
軸との間に間隔を設けたことを特徴とする実用新
案登録請求の範囲第１項の燃料噴射ノズル。[Claims for Utility Model Registration] (1) The suction hole has multiple nozzles on the tip side, and a needle valve can open and close the inlet of the suction hole, and the needle valve is opened by the pressure of fuel from the fuel injection pump. 1. A fuel injection nozzle that operates, characterized in that an asymmetrical portion is formed at the tip of a needle valve or a suction hole to provide a difference in the start of fuel injection from a plurality of nozzles. (2) The fuel injection nozzle according to claim 1, which is characterized in that a notch is provided on one side of the tip of the needle valve. (3) The fuel injection nozzle according to claim 1 of the utility model registration claim, characterized in that a space is provided between the center axis of the suction hole and the center axis of the needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3270087U JPS63140172U (en) | 1987-03-06 | 1987-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3270087U JPS63140172U (en) | 1987-03-06 | 1987-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140172U true JPS63140172U (en) | 1988-09-14 |
Family
ID=30839630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3270087U Pending JPS63140172U (en) | 1987-03-06 | 1987-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012036865A (en) * | 2010-08-10 | 2012-02-23 | Toyota Motor Corp | Injection nozzle |
-
1987
- 1987-03-06 JP JP3270087U patent/JPS63140172U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012036865A (en) * | 2010-08-10 | 2012-02-23 | Toyota Motor Corp | Injection nozzle |
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