JPS6186567U - - Google Patents
Info
- Publication number
- JPS6186567U JPS6186567U JP17096884U JP17096884U JPS6186567U JP S6186567 U JPS6186567 U JP S6186567U JP 17096884 U JP17096884 U JP 17096884U JP 17096884 U JP17096884 U JP 17096884U JP S6186567 U JPS6186567 U JP S6186567U
- Authority
- JP
- Japan
- Prior art keywords
- conical portion
- needle
- fuel injection
- tip
- nozzle body
- 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 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例に係る燃料噴射弁の
構造における燃料噴射弁先端部の拡大半断面図、
第２図は第１図の先端凹凸部分の拡大側面図、第
３図は第１図の装置を適用した時の燃料噴射装置
全体のシステム図、である。
１……燃料タンク、２……噴射ポンプ、３……
燃料噴射弁、４……連通路、５……燃料供給通路
、６……ノズルボデイ、７……ニードル、８……
シート部、９……噴口、１０……バイパス通路、
１１……プレツシヤピン、１２……バネ、１３…
…バネ室、１４……連通路、１５……先端円錘部
、１６……内周円錘部、１７……凹凸部、１８…
…連通路、１９……凸部、２０……凹部、２１，
２２，２３……パイプ。
FIG. 1 is an enlarged half-sectional view of the tip of a fuel injector in the structure of a fuel injector according to an embodiment of the present invention;
2 is an enlarged side view of the uneven portion of the tip shown in FIG. 1, and FIG. 3 is a system diagram of the entire fuel injection device when the device shown in FIG. 1 is applied. 1...fuel tank, 2...injection pump, 3...
Fuel injection valve, 4... Communication passage, 5... Fuel supply passage, 6... Nozzle body, 7... Needle, 8...
Seat part, 9... Nozzle, 10... Bypass passage,
11...pressure pin, 12...spring, 13...
...Spring chamber, 14...Communication path, 15...Tip conical portion, 16...Inner circumference conical portion, 17...Irregular portion, 18...
...Communication path, 19...Convex portion, 20...Concave portion, 21,
22, 23...pipe.
Claims (1)
先端円錘部と該円錘部に当接するノズルボデイの
内周円錘部とによつて形成されシート部上に前記
ニードル上昇時に外部と連通するバイパス通路を
形成した燃料噴射弁と、を具えた燃料噴射装置に
おける燃料噴射弁において、前記ニードル先端円
錘部とノズルボデイ内周円錘部の当接によつて形
成されるシート部を、凹凸状に形成したことを特
徴とする燃料噴射弁の構造。 a bypass passage formed by an injection pump that delivers fuel at high pressure, a conical portion at the tip of the needle, and an inner conical portion of the nozzle body that contacts the conical portion, and communicates with the outside when the needle is raised on the seat portion; In the fuel injection valve of the fuel injection device, the seat portion formed by the abutment of the needle tip conical portion and the inner peripheral conical portion of the nozzle body is formed into an uneven shape. The structure of the fuel injection valve is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17096884U JPS6186567U (en) | 1984-11-13 | 1984-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17096884U JPS6186567U (en) | 1984-11-13 | 1984-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6186567U true JPS6186567U (en) | 1986-06-06 |
Family
ID=30728673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17096884U Pending JPS6186567U (en) | 1984-11-13 | 1984-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186567U (en) |
-
1984
- 1984-11-13 JP JP17096884U patent/JPS6186567U/ja active Pending