JPS61157170U - - Google Patents
Info
- Publication number
- JPS61157170U JPS61157170U JP3977985U JP3977985U JPS61157170U JP S61157170 U JPS61157170 U JP S61157170U JP 3977985 U JP3977985 U JP 3977985U JP 3977985 U JP3977985 U JP 3977985U JP S61157170 U JPS61157170 U JP S61157170U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- adapter
- throttle
- narrowest part
- 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 14
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 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
アダプタ部分の断面図、第２図は第１図の燃料噴
射通路出口近傍の拡大断面図、第３図は第２図と
は別の態様の燃料噴射通路出口近傍の拡大断面図
、第４図イは燃料噴射弁全体の断面図、第４図ロ
は第４図イのアダプタ側の端面図、第５図は従来
の燃料噴射弁のアダプタ部分の断面図、である。
１０……燃料噴射弁、１１……燃料噴射弁本体
、１２……アダプタ、１３……燃料噴孔、１９，
２０……燃料噴射通路、２１……合流部、２３…
…絞り、２４……断面縮小部。
Fig. 1 is a sectional view of the adapter portion of a fuel injection valve according to an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the vicinity of the fuel injection passage outlet in Fig. 1, and Fig. 3 is different from Fig. 2. 4A is a sectional view of the entire fuel injection valve, FIG. 4B is an end view of the adapter side of FIG. 4A, and FIG. 5 is a conventional fuel injection valve. FIG. 3 is a cross-sectional view of the adapter portion of the valve. 10... Fuel injection valve, 11... Fuel injection valve body, 12... Adapter, 13... Fuel injection hole, 19,
20...fuel injection passage, 21...merging section, 23...
...Aperture, 24...Reduced section section.
Claims (1)
有するアダプタを取付けた燃料噴射弁において、
前記アダプタの燃料噴射通路の出口に絞りを設け
、かつ該絞りの最狭部の上流側から最狭部にかけ
ての燃料噴射通路内面に下流に向つて徐々に径の
縮小する断面縮小部を設けたことを特徴とする燃
料噴射弁。 In a fuel injection valve in which an adapter having two fuel injection passages is attached to the tip of the fuel injection valve body,
A throttle is provided at the outlet of the fuel injection passage of the adapter, and a reduced cross-section portion whose diameter gradually decreases downstream is provided on the inner surface of the fuel injection passage from the upstream side of the narrowest part of the throttle to the narrowest part. A fuel injection valve characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3977985U JPS61157170U (en) | 1985-03-22 | 1985-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3977985U JPS61157170U (en) | 1985-03-22 | 1985-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61157170U true JPS61157170U (en) | 1986-09-29 |
Family
ID=30548046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3977985U Pending JPS61157170U (en) | 1985-03-22 | 1985-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61157170U (en) |
-
1985
- 1985-03-22 JP JP3977985U patent/JPS61157170U/ja active Pending