JPH0482366U - - Google Patents
Info
- Publication number
- JPH0482366U JPH0482366U JP12531690U JP12531690U JPH0482366U JP H0482366 U JPH0482366 U JP H0482366U JP 12531690 U JP12531690 U JP 12531690U JP 12531690 U JP12531690 U JP 12531690U JP H0482366 U JPH0482366 U JP H0482366U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- opening area
- fuel pressure
- setting means
- area setting
- 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 21
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案による燃料噴射装置の一実施例
を示す概略図、第２図は先行技術における燃料噴
射装置の概略図、第３図はエンジン回転数に応じ
たパルス信号の周期を示す図、第４図はインテー
クマニホールド圧力Ｐｍとエンジン回転数に応じ
た調整燃圧Ｐ４との関係を示す図、第５図は差圧
Ｐ１−Ｐ５と各燃料流量との関係を示す図、第６
図は先行技術における各燃圧の変動曲線を示す図
、第７図は第１図の実施例における第６図と同様
な図である。
２……第一燃圧レギユレータ、６……第二燃圧
レギユレータ、７……燃料通路、１１……第一ソ
レノイドバルブ、１２……第二ソレノイドバルブ
、１３……第一バルブ室、１４……第二バルブ室
、２０……燃料噴射弁、２９……第一バイパス通
路、３０……第一リターンジエツト、３１……第
二バイパス通路、３２……第二リターンジエツト
。
Fig. 1 is a schematic diagram showing an embodiment of a fuel injection device according to the present invention, Fig. 2 is a schematic diagram of a fuel injection device according to the prior art, and Fig. 3 is a diagram showing the period of a pulse signal depending on the engine speed. , FIG. 4 is a diagram showing the relationship between the intake manifold pressure P m and the adjusted fuel pressure P 4 according to the engine speed, and FIG. 5 is a diagram showing the relationship between the differential pressure P 1 - P 5 and each fuel flow rate. 6th
This figure is a diagram showing each fuel pressure fluctuation curve in the prior art, and FIG. 7 is a diagram similar to FIG. 6 in the embodiment of FIG. 1. 2...First fuel pressure regulator, 6...Second fuel pressure regulator, 7...Fuel passage, 11...First solenoid valve, 12...Second solenoid valve, 13...First valve chamber, 14...First Two valve chambers, 20... Fuel injection valve, 29... First bypass passage, 30... First return jet, 31... Second bypass passage, 32... Second return jet.
Claims (1)
生させる第一燃圧レギユレータと一定の燃圧を発
生させる第二燃圧レギユレータとを接続する燃料
通路と、該燃料通路内で開口面積をエンジン回転
数に応じて制御する二つの開口面積設定手段と、
該開口面積設定手段間で生じるインテークマニホ
ールド圧力及びエンジン回転数に応じた燃圧に基
づいて燃料噴射量を制御せしめる燃料噴射弁とが
、備えられた燃料噴射装置において、 前記二つの開口面積設定手段のバルブ室を、夫
々ジエツトを介してその下流側の燃料通路又は第
二燃圧レギユレータに連通させたことを特徴とす
るベーパ排出機構。[Scope of Claim for Utility Model Registration] A fuel passage that connects a first fuel pressure regulator that generates fuel pressure according to intake manifold pressure and a second fuel pressure regulator that generates a constant fuel pressure, and an opening area within the fuel passage that connects the engine. Two opening area setting means controlled according to the rotation speed,
In a fuel injection device equipped with a fuel injection valve that controls the fuel injection amount based on the intake manifold pressure generated between the opening area setting means and the fuel pressure depending on the engine speed, the two opening area setting means A vapor discharge mechanism characterized in that each valve chamber is communicated with a fuel passage downstream thereof or a second fuel pressure regulator via a jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12531690U JPH0482366U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12531690U JPH0482366U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0482366U true JPH0482366U (en) | 1992-07-17 |
Family
ID=31872919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12531690U Pending JPH0482366U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0482366U (en) |
-
1990
- 1990-11-29 JP JP12531690U patent/JPH0482366U/ja active Pending
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