JPS63123765U - - Google Patents
Info
- Publication number
- JPS63123765U JPS63123765U JP1489387U JP1489387U JPS63123765U JP S63123765 U JPS63123765 U JP S63123765U JP 1489387 U JP1489387 U JP 1489387U JP 1489387 U JP1489387 U JP 1489387U JP S63123765 U JPS63123765 U JP S63123765U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection valve
- combustion engine
- internal combustion
- hole
- 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 18
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000007921 spray Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の第１実施例に係る内燃機関の
燃料噴射装置を上方からみた断面図、第２図は第
１図の縦断面図、第３図は第１図の装置における
単孔燃料噴射弁の断面図、第４図は第１図の装置
における２方向燃料噴射弁の断面図、第５図は単
孔燃料噴射弁と２方向燃料噴射弁とにおける吸気
管負圧と燃料の平均粒径との関係を示した関係図
、第６図は本考案の第２実施例に係る内燃機関の
燃料噴射装置を上方からみた断面図、第７図は第
６図の縦断面図、である。
３……シリンダヘツド、４……燃焼室、５……
インテークマニホルド、６、６′……吸気弁、９
……吸気ポート、１０……単孔燃料噴射弁、１１
……２方向燃料噴射弁、１３，１４……噴孔。
FIG. 1 is a sectional view of a fuel injection device for an internal combustion engine according to a first embodiment of the present invention, viewed from above, FIG. 2 is a vertical sectional view of FIG. 1, and FIG. 3 is a single hole in the device of FIG. 1. FIG. 4 is a cross-sectional view of the two-way fuel injection valve in the device shown in FIG. 1, and FIG. 5 shows the intake pipe negative pressure and fuel in the single-hole fuel injection valve and the two-way fuel injection valve. A relationship diagram showing the relationship with the average particle size, FIG. 6 is a sectional view of a fuel injection device for an internal combustion engine according to a second embodiment of the present invention, viewed from above, and FIG. 7 is a longitudinal sectional view of FIG. 6. It is. 3...Cylinder head, 4...Combustion chamber, 5...
Intake manifold, 6, 6'...Intake valve, 9
...Intake port, 10...Single hole fuel injection valve, 11
...Two-way fuel injection valve, 13, 14... Nozzle hole.
Claims (1)
トからの吸気を前記２個の吸気弁を介して燃焼室
に供給するようにした内燃機関において、前記吸
気ポートに１つの噴孔を有し噴霧角度の大きい単
孔燃料噴射弁と、２つの噴孔を有し前記２個の吸
気弁に向けて燃料をそれぞれ分岐させて噴射する
２方向燃料噴射弁とを、直列に配置したことを特
徴とする内燃機関の燃料噴射装置。 (2) 前記２方向燃料噴射弁が、前記単孔燃料噴
射弁より上流側に配置された実用新案登録請求の
範囲第１記載の内燃機関の燃料噴射装置。 (3) 前記単孔燃料噴射弁が、前記２方向燃料噴
射弁より上流側に配置された実用新案登録請求の
範囲第１項記載の内燃機関の燃料噴射装置。[Claims for Utility Model Registration] (1) In an internal combustion engine that is provided with two intake valves per cylinder and in which intake air from an intake port is supplied to a combustion chamber via the two intake valves, A single-hole fuel injection valve that has one injection hole in the intake port and has a large spray angle, and a two-way fuel injection valve that has two injection holes and injects fuel in a branched manner towards the two intake valves. A fuel injection device for an internal combustion engine, characterized in that these are arranged in series. (2) The fuel injection device for an internal combustion engine according to claim 1, wherein the two-way fuel injection valve is arranged upstream of the single-hole fuel injection valve. (3) The fuel injection device for an internal combustion engine according to claim 1, wherein the single-hole fuel injection valve is arranged upstream of the two-way fuel injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1489387U JPS63123765U (en) | 1987-02-05 | 1987-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1489387U JPS63123765U (en) | 1987-02-05 | 1987-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63123765U true JPS63123765U (en) | 1988-08-11 |
Family
ID=30805311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1489387U Pending JPS63123765U (en) | 1987-02-05 | 1987-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63123765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003262174A (en) * | 2002-03-07 | 2003-09-19 | Nissan Motor Co Ltd | Internal combustion engine |
-
1987
- 1987-02-05 JP JP1489387U patent/JPS63123765U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003262174A (en) * | 2002-03-07 | 2003-09-19 | Nissan Motor Co Ltd | Internal combustion engine |