JPS6363573U - - Google Patents
Info
- Publication number
- JPS6363573U JPS6363573U JP15730886U JP15730886U JPS6363573U JP S6363573 U JPS6363573 U JP S6363573U JP 15730886 U JP15730886 U JP 15730886U JP 15730886 U JP15730886 U JP 15730886U JP S6363573 U JPS6363573 U JP S6363573U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- nozzle
- needle
- valve seat
- injection device
- 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 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図はこの考案の燃料噴射弁の先端部の拡大
断面図。第２図はこの考案の燃料噴射弁の底面図
。第３図はこの考案の燃料噴射弁の噴霧角特性を
従来のスワール型との比較において示す図。第４
図はこの考案の燃料噴射装置を備えた内燃機関の
吸気系を示す図。
２２……吸気マニホルド、２４……燃料噴射弁
、３０……ニードル、３５……噴口、４０……副
燃料噴射通路。
FIG. 1 is an enlarged sectional view of the tip of the fuel injection valve of this invention. Figure 2 is a bottom view of the fuel injection valve of this invention. FIG. 3 is a diagram showing the spray angle characteristics of the fuel injector of this invention in comparison with a conventional swirl type. Fourth
The figure shows the intake system of an internal combustion engine equipped with the fuel injection device of this invention. 22... Intake manifold, 24... Fuel injection valve, 30... Needle, 35... Nozzle port, 40... Sub-fuel injection passage.
Claims (1)
螺旋状の噴霧を得ることができるスワール型の燃
料噴射装置において、噴口の周囲に複数の副燃料
噴射通路を形成し、該副燃料噴射通路の一端はニ
ードルより下流側の弁座の部分に開口し、他端か
らは噴口からの噴射流を規制するように燃料が噴
射されることを特徴とする内燃機関の燃料噴射装
置。 In a swirl-type fuel injection device that can obtain a spiral spray from the nozzle when the needle is lifted from the valve seat, a plurality of auxiliary fuel injection passages are formed around the nozzle, and one end of the auxiliary fuel injection passage is A fuel injection device for an internal combustion engine, characterized in that an opening is opened in a portion of a valve seat downstream of a needle, and fuel is injected from the other end so as to regulate the jet flow from the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15730886U JPS6363573U (en) | 1986-10-16 | 1986-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15730886U JPS6363573U (en) | 1986-10-16 | 1986-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6363573U true JPS6363573U (en) | 1988-04-26 |
Family
ID=31079734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15730886U Pending JPS6363573U (en) | 1986-10-16 | 1986-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0299758A (en) * | 1988-10-07 | 1990-04-11 | Hitachi Ltd | Fuel feeding device |
-
1986
- 1986-10-16 JP JP15730886U patent/JPS6363573U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0299758A (en) * | 1988-10-07 | 1990-04-11 | Hitachi Ltd | Fuel feeding device |