JPS63147560U - - Google Patents
Info
- Publication number
- JPS63147560U JPS63147560U JP3960987U JP3960987U JPS63147560U JP S63147560 U JPS63147560 U JP S63147560U JP 3960987 U JP3960987 U JP 3960987U JP 3960987 U JP3960987 U JP 3960987U JP S63147560 U JPS63147560 U JP S63147560U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- nozzle
- bypass passage
- engine
- flow path
- 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 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 241000234435 Lilium Species 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案の概念構成図、第２図はこの
考案の第１実施例のライザ部の断面図、第３図は
この実施例の演算内容を示す流れ図、第４図はこ
の実施例の回転数と負荷に対するＯＮデユーテイ
ＤＴの特性を示す線図、第５図はこの実施例の目
標回転数ＮＳＥＴの特性を示す線図である。第６
図はこの考案の第２実施例の演算内容を示す流れ
図、第７図はこの実施例の作用を説明する波形図
である。第８図は従来のシステム図である。
２……ライザ部、２Ａ……ラージベンチユリ、
１１……吸気絞り弁、１３……吸気マニホールド
集合部、１４……バイパス路、１５……ノズル、
１６……燃料噴射弁、１７……流路面積増減手段
、１８……機関負荷検出手段、１９……機関回転
数検出手段、２０……制御手段、２２……吸気通
路、２３……絞り弁、３０……ラバルノズル、３
１……燃料噴射弁、３５……電磁弁、３６……空
気量センサ、３７……クランク角センサ、３８…
…水温センサ、３９……アイドルスイツチ、４０
……コントロールユニツト。
Fig. 1 is a conceptual block diagram of this invention, Fig. 2 is a sectional view of the riser section of the first embodiment of this invention, Fig. 3 is a flowchart showing the calculation contents of this embodiment, and Fig. 4 is this embodiment. FIG. 5 is a diagram showing the characteristics of the ON duty DT with respect to the rotation speed and load, and FIG. 5 is a diagram showing the characteristics of the target rotation speed NSET of this embodiment. 6th
The figure is a flowchart showing the calculation contents of the second embodiment of this invention, and FIG. 7 is a waveform diagram explaining the operation of this embodiment. FIG. 8 is a conventional system diagram. 2...Riser part, 2A...Large bench lily,
11... Intake throttle valve, 13... Intake manifold collecting section, 14... Bypass path, 15... Nozzle,
16...Fuel injection valve, 17...Flow path area increase/decrease means, 18...Engine load detection means, 19...Engine speed detection means, 20...Control means, 22...Intake passage, 23...Throttle valve , 30...Laval nozzle, 3
1...Fuel injection valve, 35...Solenoid valve, 36...Air amount sensor, 37...Crank angle sensor, 38...
...Water temperature sensor, 39...Idle switch, 40
...control unit.
Claims (1)
合部に合流する通路と、該バイパス路の集合部へ
の開口部に配置されるノズルと、該ノズルの直上
流に位置しノズルに向け燃料を噴射する弁と、該
噴射弁より上流のバイパス路に介装されバイパス
路の流路面積を増減する手段と、機関負荷を検出
する手段と、機関回転数を検出する手段と、両検
出値に基づき負荷が大きくなるほどまたは回転数
が高くなるほど前記流路面積が大きくなるように
前記面積増減手段を制御する手段とを設けたこと
を特徴とする内燃機関の燃料噴射装置。 A passage that bypasses the intake throttle valve and merges into the intake manifold collection part, a nozzle arranged at the opening of the bypass passage to the collection part, and a valve located immediately upstream of the nozzle that injects fuel toward the nozzle. a means for increasing or decreasing the flow area of the bypass passage, which is installed in the bypass passage upstream of the injection valve; a means for detecting the engine load; a means for detecting the engine rotational speed; and a means for detecting the engine speed. A fuel injection device for an internal combustion engine, comprising means for controlling the area increasing/decreasing means so that the flow path area increases as the flow path area increases or as the rotation speed increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3960987U JPS63147560U (en) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3960987U JPS63147560U (en) | 1987-03-18 | 1987-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63147560U true JPS63147560U (en) | 1988-09-28 |
Family
ID=30852938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3960987U Pending JPS63147560U (en) | 1987-03-18 | 1987-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63147560U (en) |
-
1987
- 1987-03-18 JP JP3960987U patent/JPS63147560U/ja active Pending