JPH02122152U - - Google Patents
Info
- Publication number
- JPH02122152U JPH02122152U JP2917789U JP2917789U JPH02122152U JP H02122152 U JPH02122152 U JP H02122152U JP 2917789 U JP2917789 U JP 2917789U JP 2917789 U JP2917789 U JP 2917789U JP H02122152 U JPH02122152 U JP H02122152U
- Authority
- JP
- Japan
- Prior art keywords
- air
- throttle valve
- engine
- intake passage
- passage communicating
- 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 6
- 238000000889 atomisation Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案を適用した過給機付エンジンの
燃料供給装置を示す概略構成図、第２図は第１図
の燃料供給装置の要部拡大断面図、第３図は第１
図の切換弁を切り換えるエンジン運転領域を示す
グラフ、第４図は従来の燃料供給装置の概略構成
図である。
２……吸気通路、３……スロツトル弁、４……
過給機、５……エアアシストタイプのインジエク
タ、５ａ……微粒化用補助空気供給部、６，８，
９……エア通路、７……切換弁。
Fig. 1 is a schematic configuration diagram showing a fuel supply system for a supercharged engine to which the present invention is applied, Fig. 2 is an enlarged sectional view of main parts of the fuel supply system shown in Fig.
FIG. 4 is a graph showing the engine operating range in which the switching valve is switched, and FIG. 4 is a schematic configuration diagram of a conventional fuel supply system. 2...Intake passage, 3...Throttle valve, 4...
Supercharger, 5... Air assist type injector, 5a... Auxiliary air supply unit for atomization, 6, 8,
9...Air passage, 7...Switching valve.
Claims (1)
設すると共に、当該過給機と前記スロツトル弁間
に、噴射燃料と微粒化用補助空気を一緒に噴射さ
せることにより前記噴射燃料の微粒化を図るよう
にしたエアアシストタイプのインジエクタを配設
し、当該インジエクタの微粒化用補助空気供給部
に前記吸気通路の、前記スロツトル弁の上流側に
連通する第１のエア通路と、前記過給機の下流側
に連通する第２のエア通路とを接続し、これらの
第１及び第２のエア通路を、エンジン運転状態に
応じて選択的に開成させる切換弁を設けたことを
特徴とする過給機付エンジンの燃料供給装置。 The injected fuel is atomized by disposing a supercharger downstream of the throttle valve in the intake passage, and injecting the injected fuel and auxiliary air for atomization together between the supercharger and the throttle valve. An air assist type injector configured to achieve this is provided, and an auxiliary air supply section for atomization of the injector is provided with a first air passage communicating with an upstream side of the throttle valve in the intake passage, and a first air passage communicating with the upstream side of the throttle valve in the intake passage; The engine is characterized by being provided with a switching valve connected to a second air passage communicating with the downstream side of the engine and selectively opening the first and second air passages depending on the engine operating state. Fuel supply system for supercharged engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2917789U JPH02122152U (en) | 1989-03-16 | 1989-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2917789U JPH02122152U (en) | 1989-03-16 | 1989-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122152U true JPH02122152U (en) | 1990-10-05 |
Family
ID=31253160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2917789U Pending JPH02122152U (en) | 1989-03-16 | 1989-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122152U (en) |
-
1989
- 1989-03-16 JP JP2917789U patent/JPH02122152U/ja active Pending