JPH0449661U - - Google Patents
Info
- Publication number
- JPH0449661U JPH0449661U JP9195890U JP9195890U JPH0449661U JP H0449661 U JPH0449661 U JP H0449661U JP 9195890 U JP9195890 U JP 9195890U JP 9195890 U JP9195890 U JP 9195890U JP H0449661 U JPH0449661 U JP H0449661U
- Authority
- JP
- Japan
- Prior art keywords
- push rod
- needle valve
- distance piece
- nozzle
- accommodates
- 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 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案により成る燃料噴射ノズルの断
面図、第２図はノズル部の詳細断面図、第３図は
プツシユロツド単体の外観図、第４図は従来技術
によるノズル部の詳細断面図である。
１……ノズルホルダ、２……ノズルナツト、３
……ノズルボデイ、５……ニードル弁、６……デ
イスタンスピース、７……プツシユロツド、８…
…プレツシヤスプリング、１３……燃料逃げ溝。
Fig. 1 is a sectional view of the fuel injection nozzle according to the present invention, Fig. 2 is a detailed sectional view of the nozzle part, Fig. 3 is an external view of the push rod alone, and Fig. 4 is a detailed sectional view of the nozzle part according to the prior art. be. 1... Nozzle holder, 2... Nozzle nut, 3
... Nozzle body, 5 ... Needle valve, 6 ... Distance piece, 7 ... Push rod, 8 ...
...Pressure spring, 13...Fuel escape groove.
Claims (1)
ヤスプリングと該プレツシヤスプリングを収客す
る筒形のスプリング室と、前記プレツシヤスプリ
ングの下端面に当接し、且つ前記ニードル弁の上
端部に挿嵌するプツシユロツドと、該プツシユロ
ツドの下方軸部とを摺動自在に遊嵌するデイスタ
ンスピースと、該デイスタンスピースに連通する
燃料供給通路を備えたノズルホルダと、前記ニー
ドル弁を収客するノズルボデイにより構成される
デイーゼルエンジン用燃料噴射ノズルにおいて、
前記プツシユロツドの下方軸部と前記デイスタン
スピースの上部の丸孔内径部に摺動自在に遊嵌す
る嵌合部長さを少なくとも２．５mmとし、且つ嵌
合許客隙間２０μ〜５０μとしたことを特徴とす
るデイーゼルエンジン用燃料噴射ノズル。 a needle valve; a pressure spring that presses the needle valve; a cylindrical spring chamber that accommodates the pressure spring; A push rod to be inserted into the push rod, a distance piece into which the lower shaft portion of the push rod is slidably and loosely fitted, a nozzle holder provided with a fuel supply passage communicating with the distance piece, and a nozzle holder that accommodates the needle valve. In a diesel engine fuel injection nozzle composed of a nozzle body,
The length of the fitting portion that is slidably and loosely fitted into the lower shaft portion of the push rod and the inner diameter portion of the upper round hole of the distance piece is at least 2.5 mm, and the fitting clearance is 20μ to 50μ. Features a fuel injection nozzle for diesel engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9195890U JPH0449661U (en) | 1990-08-31 | 1990-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9195890U JPH0449661U (en) | 1990-08-31 | 1990-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449661U true JPH0449661U (en) | 1992-04-27 |
Family
ID=31828040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9195890U Pending JPH0449661U (en) | 1990-08-31 | 1990-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449661U (en) |
-
1990
- 1990-08-31 JP JP9195890U patent/JPH0449661U/ja active Pending