JPS61200436U - - Google Patents
Info
- Publication number
- JPS61200436U JPS61200436U JP8448085U JP8448085U JPS61200436U JP S61200436 U JPS61200436 U JP S61200436U JP 8448085 U JP8448085 U JP 8448085U JP 8448085 U JP8448085 U JP 8448085U JP S61200436 U JPS61200436 U JP S61200436U
- Authority
- JP
- Japan
- Prior art keywords
- injection valve
- fuel
- fuel injection
- engine
- valve provided
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 4
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の一実施例による燃料噴射式エ
ンジンの概略構成図、第２図は上記エンジンにお
ける制御ユニツトの演算処理のフローチヤートを
示す図、第３図はエンジン回転数とスロツトル弁
開度とをパラメータとする吸気管噴射領域、ダイ
レクト噴射領域、併用噴射領域及び燃料カツト領
域を示す図、第４図は吸気管噴射又はダイレクト
噴射の開始又は停止時からの経過時間Δｔｎに対
する切替時増量率又は切替時減量率ＣＣＨｎを決
定するための関数ｆｎを示す図、第５図は本考案
の他の実施例の概略構成図である。
１……エンジン、２……吸気通路、７……第１
の燃料噴射弁、８……第２の燃料噴射弁、２３…
…制御ユニツト（噴射駆動手段）、２４，６３…
…燃圧レギユレータ（燃圧製御手段）。
Fig. 1 is a schematic configuration diagram of a fuel injection engine according to an embodiment of the present invention, Fig. 2 is a flowchart of the arithmetic processing of the control unit in the engine, and Fig. 3 is a diagram showing the engine speed and throttle valve opening. Fig. 4 shows the intake pipe injection area, direct injection area, combined injection area, and fuel cut area with the parameters of intake pipe injection and direct injection. FIG. 5 is a diagram illustrating a function fn for determining the switching rate or the switching weight reduction rate CCHn, and FIG. 5 is a schematic diagram of another embodiment of the present invention. 1...engine, 2...intake passage, 7...first
fuel injection valve, 8... second fuel injection valve, 23...
...control unit (injection drive means), 24, 63...
...Fuel pressure regulator (fuel pressure control means).
Claims (1)
と、エンジンの吸気通路に設けられた第２の燃料
噴射弁と、エンジンの運転状態に応じて上記第１
、第２の燃料噴射弁のいずれか一方もしくは両方
を駆動する噴射弁駆動手段と、上記第１の燃料噴
射弁の燃圧を上記第２の燃料噴射弁の燃圧より高
く設定する燃圧制御手段とを備えたことを特徴と
する燃料噴射式エンジン。 A first fuel injection valve provided in a cylinder of the engine, a second fuel injection valve provided in an intake passage of the engine, and a second fuel injection valve provided in an intake passage of the engine;
, an injection valve drive means for driving one or both of the second fuel injection valves, and a fuel pressure control means for setting the fuel pressure of the first fuel injection valve higher than the fuel pressure of the second fuel injection valve. A fuel-injected engine with the following features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985084480U JPH0618047Y2 (en) | 1985-06-04 | 1985-06-04 | Fuel injection engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985084480U JPH0618047Y2 (en) | 1985-06-04 | 1985-06-04 | Fuel injection engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61200436U true JPS61200436U (en) | 1986-12-15 |
| JPH0618047Y2 JPH0618047Y2 (en) | 1994-05-11 |
Family
ID=30634033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985084480U Expired - Lifetime JPH0618047Y2 (en) | 1985-06-04 | 1985-06-04 | Fuel injection engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618047Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009030615A (en) * | 2008-11-10 | 2009-02-12 | Toyota Motor Corp | Method of controlling learning of air-fuel ratio of dual-injection internal combustion engine on vehicle |
| JP2010024989A (en) * | 2008-07-18 | 2010-02-04 | Mitsubishi Motors Corp | Fuel supply device for vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006170048A (en) * | 2004-12-15 | 2006-06-29 | Toyota Motor Corp | Fuel injection device for vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5891367A (en) * | 1981-11-25 | 1983-05-31 | Nissan Motor Co Ltd | Fuel injection device for internal-combustion engine |
| JPS6028243U (en) * | 1983-08-01 | 1985-02-26 | 日産自動車株式会社 | Direct cylinder injection engine |
-
1985
- 1985-06-04 JP JP1985084480U patent/JPH0618047Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5891367A (en) * | 1981-11-25 | 1983-05-31 | Nissan Motor Co Ltd | Fuel injection device for internal-combustion engine |
| JPS6028243U (en) * | 1983-08-01 | 1985-02-26 | 日産自動車株式会社 | Direct cylinder injection engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010024989A (en) * | 2008-07-18 | 2010-02-04 | Mitsubishi Motors Corp | Fuel supply device for vehicle |
| JP2009030615A (en) * | 2008-11-10 | 2009-02-12 | Toyota Motor Corp | Method of controlling learning of air-fuel ratio of dual-injection internal combustion engine on vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618047Y2 (en) | 1994-05-11 |