JPS6243176U - - Google Patents
Info
- Publication number
- JPS6243176U JPS6243176U JP13501785U JP13501785U JPS6243176U JP S6243176 U JPS6243176 U JP S6243176U JP 13501785 U JP13501785 U JP 13501785U JP 13501785 U JP13501785 U JP 13501785U JP S6243176 U JPS6243176 U JP S6243176U
- Authority
- JP
- Japan
- Prior art keywords
- needle valve
- nozzle
- biasing member
- fuel injection
- biased toward
- 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 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案一実施例の燃料噴射ノズルの
概略的な断面図、第２図は従来の燃料噴射ノズル
の概略的な断面図である。
１……ノズルボデイ（ノズル本体）、３……第
１ニードル弁、１３……副噴孔、１７……主噴孔
、３１……第１スプリング（第１付勢部材）、４
３……第２ニードル弁、４５……第２スプリング
（第２付勢部材）。
FIG. 1 is a schematic sectional view of a fuel injection nozzle according to an embodiment of this invention, and FIG. 2 is a schematic sectional view of a conventional fuel injection nozzle. 1... Nozzle body (nozzle main body), 3... First needle valve, 13... Sub-nozzle hole, 17... Main nozzle hole, 31... First spring (first biasing member), 4
3...Second needle valve, 45...Second spring (second biasing member).
Claims (1)
かつ燃料圧力を受けてリフトし副噴孔からの燃料
噴射を制御する中空状の第１ニードル弁をノズル
本体内に設けると共に、第２付勢部材によりノズ
ル先端側に付勢され、かつ燃料圧力を受けてリフ
トし前記副噴孔より大径の主噴孔からの燃料噴射
を制御し前記第１ニードル弁の開弁圧より高い開
弁圧の第２ニードル弁を前記第１ニードル弁内に
設けた燃料噴射ノズルにおいて、前記第２付勢部
材を第１ニードル弁と第２ニードル弁との間に設
けたことを特徴とする燃料噴射ノズル。 biased toward the nozzle tip side by the first biasing member;
A hollow first needle valve that lifts in response to fuel pressure and controls fuel injection from the auxiliary nozzle hole is provided in the nozzle body, and is biased toward the nozzle tip side by a second biasing member, and is biased toward the nozzle tip by a second biasing member. control the fuel injection from the main nozzle hole having a larger diameter than the auxiliary nozzle hole, and insert a second needle valve with a valve opening pressure higher than the opening pressure of the first needle valve into the first needle valve. A fuel injection nozzle, characterized in that the second biasing member is provided between a first needle valve and a second needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13501785U JPS6243176U (en) | 1985-09-05 | 1985-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13501785U JPS6243176U (en) | 1985-09-05 | 1985-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6243176U true JPS6243176U (en) | 1987-03-16 |
Family
ID=31036798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13501785U Pending JPS6243176U (en) | 1985-09-05 | 1985-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6243176U (en) |
-
1985
- 1985-09-05 JP JP13501785U patent/JPS6243176U/ja active Pending
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