JPS63191268U - - Google Patents
Info
- Publication number
- JPS63191268U JPS63191268U JP8452387U JP8452387U JPS63191268U JP S63191268 U JPS63191268 U JP S63191268U JP 8452387 U JP8452387 U JP 8452387U JP 8452387 U JP8452387 U JP 8452387U JP S63191268 U JPS63191268 U JP S63191268U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- nozzle
- nozzle body
- needle valve
- seat surface
- 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 7
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例を示す要部の断面図
、第２図は従来例を示す断面図である。
１１……ノズルボデイ、１２……ニードル弁、
１３……シート面、１４……シート面、１５……
燃料溜り室、１６……サツク部、１７……内周面
、１８……案内面、１９……噴口。
FIG. 1 is a sectional view of a main part showing an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional example. 11... Nozzle body, 12... Needle valve,
13... Seat surface, 14... Seat surface, 15...
Fuel reservoir chamber, 16... Suck portion, 17... Inner peripheral surface, 18... Guide surface, 19... Nozzle port.
Claims (1)
昇させることにより、該ノズルボデイに摺動自在
に嵌挿したニードル弁をニードルスプリングに抗
してリフトさせて前記燃料溜り室の燃料をノズル
ボデイーのシート面とニードル弁のシート面との
間からサツク部に流入させ、該サツク部に形成し
た噴口を経て燃焼室内に噴射供給するようにした
燃料噴射ノズルにおいて、前記ノズルボデイに形
成したシート面と前記サツク部の内周面との接続
部に面取り加工による案内面を介在させたことを
特徴とするデイーゼル機関の燃料噴射ノズル。 By increasing the internal pressure of the fuel reservoir formed in the nozzle body, the needle valve slidably fitted into the nozzle body is lifted against the needle spring, and the fuel in the fuel reservoir is transferred to the seat surface of the nozzle body. In a fuel injection nozzle, the fuel flows between the seat surface of the needle valve and the sac part, and is injected into the combustion chamber through a nozzle formed in the sac part. A fuel injection nozzle for a diesel engine, characterized in that a guide surface formed by chamfering is provided at a connection portion with an inner circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8452387U JPS63191268U (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8452387U JPS63191268U (en) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191268U true JPS63191268U (en) | 1988-12-09 |
Family
ID=30939104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8452387U Pending JPS63191268U (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191268U (en) |
-
1987
- 1987-05-29 JP JP8452387U patent/JPS63191268U/ja active Pending