JPS63154764U - - Google Patents
Info
- Publication number
- JPS63154764U JPS63154764U JP4854487U JP4854487U JPS63154764U JP S63154764 U JPS63154764 U JP S63154764U JP 4854487 U JP4854487 U JP 4854487U JP 4854487 U JP4854487 U JP 4854487U JP S63154764 U JPS63154764 U JP S63154764U
- Authority
- JP
- Japan
- Prior art keywords
- injection hole
- main
- intake
- fuel injection
- intake port
- 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
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 239000000446 fuel Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Valve Device For Special Equipments (AREA)
Description
第１図は本実施例である２噴射孔式燃料噴射ノ
ズルの構成を示す断面図、第２図および第３図は
２吸気弁を有する吸気ポート内に設置された２噴
射孔式燃料噴射ノズルの作動状態を示す説明図、
第４図および第５図は本考案による第２実施例を
示す２噴射孔式燃料噴射ノズルの作動説明図、第
６図は本考案による他の実施例を示す２噴射孔式
燃料噴射ノズルの断面図、第７図は第６図の―
断面拡大図である。
１……２噴射孔式燃料噴射ノズル、２……本体
、２ａ……通路、３……ニードル、３ａ……ノズ
ル、３ｂ……ニードルガイド部、４……ニードル
リフト用スプリング、５……ニードルストツパ、
６……ニードルストツパ用スプリング、７……ニ
ードルリフト用ソレノイド、８……ニードルスト
ツパ用ソレノイド、９……主噴射孔、１０……副
噴射孔、１１……燃焼室、１２，１３……吸気弁
。
Fig. 1 is a sectional view showing the configuration of a two-injection hole type fuel injection nozzle according to this embodiment, and Figs. 2 and 3 show a two-injection hole type fuel injection nozzle installed in an intake port having two intake valves. An explanatory diagram showing the operating state of
4 and 5 are explanatory diagrams of the operation of a two-injection hole type fuel injection nozzle showing a second embodiment of the present invention, and FIG. 6 is an operation explanatory diagram of a two-injection hole type fuel injection nozzle showing another embodiment of the invention. Cross-sectional view, Figure 7 is the same as Figure 6.
It is an enlarged cross-sectional view. DESCRIPTION OF SYMBOLS 1... 2 injection hole type fuel injection nozzle, 2... Main body, 2a... Passage, 3... Needle, 3a... Nozzle, 3b... Needle guide part, 4... Spring for needle lift, 5... Needle Stoppa,
6... Spring for needle stopper, 7... Solenoid for needle lift, 8... Solenoid for needle stopper, 9... Main injection hole, 10... Sub-injection hole, 11... Combustion chamber, 12, 13... ...Intake valve.
Claims (1)
ト内燃料噴射エンジンにおいて、 上記吸気ポート内燃料噴射ノズルを、先端にテ
ーパ状に拡開した主噴射孔および主噴射孔の側方
に開口した副噴射孔を有する本体と、上記本体内
に上下摺動自在に嵌合されて主噴射孔および副噴
射孔を開閉するニードルと、上記ニードルのリフ
ト量を２段階に制御するニードルストツパと、上
記ニードルを上下動させるソレノイドと、上記ニ
ードルストツパを作動させるソレノイドとにより
構成し、 上記燃料噴射ノズルの主噴射孔を２吸気弁のポ
ート中心方向または弁停止側吸気ポートに向ける
と共に、副噴射孔を弁停止しない吸気弁の吸気ポ
ート側に向けて配設したことを特徴とする２噴射
孔式燃料噴射ノズル。[Scope of Claim for Utility Model Registration] In an intake port fuel injection engine equipped with a valve stop mechanism on one side of two intake valves, the intake port fuel injection nozzle has a main injection hole and a main A main body having a sub-injection hole opened to the side of the injection hole, a needle fitted vertically and slidably into the main body to open and close the main injection hole and the sub-injection hole, and a lift amount of the needle in two stages. The main injection hole of the fuel injection nozzle is directed toward the center of the port of the two intake valves or on the valve stop side. A two-injection hole type fuel injection nozzle, characterized in that it faces an intake port, and a sub-injection hole is arranged to face an intake port side of an intake valve that does not stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4854487U JPS63154764U (en) | 1987-03-30 | 1987-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4854487U JPS63154764U (en) | 1987-03-30 | 1987-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63154764U true JPS63154764U (en) | 1988-10-11 |
Family
ID=30870175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4854487U Pending JPS63154764U (en) | 1987-03-30 | 1987-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63154764U (en) |
-
1987
- 1987-03-30 JP JP4854487U patent/JPS63154764U/ja active Pending