JPH01145982U - - Google Patents
Info
- Publication number
- JPH01145982U JPH01145982U JP4105288U JP4105288U JPH01145982U JP H01145982 U JPH01145982 U JP H01145982U JP 4105288 U JP4105288 U JP 4105288U JP 4105288 U JP4105288 U JP 4105288U JP H01145982 U JPH01145982 U JP H01145982U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- tip
- valve
- needle
- combustion engine
- 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 8
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の一実施例の燃料供給装置の
断面図、第２図は第１図の底面図、第３図ａは機
関低負荷域における燃料噴霧状態を示す作用説明
図、第３図ｂは機関高負荷域における同作用説明
図、第４図乃至第７図は従来の燃料供給装置を示
す断面図である。
３３……燃料噴射弁、３５……針弁、３５ａ…
…拡がり部、４１……第１のアダプタ、４５，４
７……噴出孔、４９……空気室、５１……第２の
アダプタ、６５……空気孔。
FIG. 1 is a sectional view of a fuel supply system according to an embodiment of the invention, FIG. 2 is a bottom view of FIG. 1, FIG. FIG. b is an explanatory diagram of the same operation in a high engine load region, and FIGS. 4 to 7 are cross-sectional views showing a conventional fuel supply device. 33...fuel injection valve, 35...needle valve, 35a...
... Expansion part, 41 ... First adapter, 45, 4
7...Blowout hole, 49...Air chamber, 51...Second adapter, 65...Air hole.
Claims (1)
が進退移動して針弁周囲から燃料が噴射される２
つの吸気弁を備えた内燃機関の燃料供給装置にお
いて、前記針弁の先端側に拡がり部を形成し、こ
の先端前方に２方に分かれて前記２つの吸気弁に
それぞれ指向する噴出孔を備えると共に、前記燃
料噴射弁との間で大気に開放された空気室を有し
、この空気室と前記２方に分かれた各噴出孔の出
口部付近とを連通する空気孔を有するアダプタを
前記燃料噴射弁先端側周囲に設けたことを特徴と
する内燃機関の燃料供給装置。 The needle valve moves back and forth within the nozzle at the tip of the fuel injector facing the intake passage, and fuel is injected from around the needle valve2.
In a fuel supply system for an internal combustion engine having two intake valves, the needle valve has a widening part formed on the tip side, and a jet hole is provided in front of the tip that is divided into two directions and respectively directed to the two intake valves. , an adapter having an air chamber opened to the atmosphere between the fuel injection valve and an air hole communicating the air chamber with the vicinity of the outlet of each of the two-way ejection holes; A fuel supply device for an internal combustion engine, characterized in that it is provided around a valve tip side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4105288U JPH01145982U (en) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4105288U JPH01145982U (en) | 1988-03-30 | 1988-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01145982U true JPH01145982U (en) | 1989-10-06 |
Family
ID=31267505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4105288U Pending JPH01145982U (en) | 1988-03-30 | 1988-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450469A (en) * | 1990-06-15 | 1992-02-19 | Honda Motor Co Ltd | Fuel jet type internal combustion engine |
| JPH04365968A (en) * | 1991-06-11 | 1992-12-17 | Nippondenso Co Ltd | Fuel supply device of internal combustion engine |
-
1988
- 1988-03-30 JP JP4105288U patent/JPH01145982U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0450469A (en) * | 1990-06-15 | 1992-02-19 | Honda Motor Co Ltd | Fuel jet type internal combustion engine |
| JPH04365968A (en) * | 1991-06-11 | 1992-12-17 | Nippondenso Co Ltd | Fuel supply device of internal combustion engine |