JPH01141344U - - Google Patents
Info
- Publication number
- JPH01141344U JPH01141344U JP3796688U JP3796688U JPH01141344U JP H01141344 U JPH01141344 U JP H01141344U JP 3796688 U JP3796688 U JP 3796688U JP 3796688 U JP3796688 U JP 3796688U JP H01141344 U JPH01141344 U JP H01141344U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- engine
- amount
- injection valve
- 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 14
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 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図はこの考案のクレーム対応図、第２図は
この考案の一実施例の制御系のシステム図、第３
図はこの実施例の制御動作を示す流れ図、第４図
はこの実施例の分担割合ＫＤＩＳの内容を示す特
性図、第５図は従来例のシステム図である。
２……スロツトル弁、３……吸気マニホールド
、４……コレクタ部、５……分岐部、６……吸気
ポート部、７……シリンダ、１１……エアフロー
メータ、１２……クランク角センサ、１３……水
温センサ、２０……第１の燃料噴射弁、３１……
第２の燃料噴射弁、３２……エンジン回転数セン
サ、３３……エンジン負荷センサ、３４……基本
噴射量算出手段、３５……分担割合設定手段、３
６，３７……燃料噴射量算出手段、３８，３９…
…出力手段、４０……同期指示手段、４１……コ
ントロールユニツト。
Fig. 1 is a claim correspondence diagram of this invention, Fig. 2 is a system diagram of a control system of an embodiment of this invention, and Fig. 3 is a system diagram of a control system of an embodiment of this invention.
FIG. 4 is a flowchart showing the control operation of this embodiment, FIG. 4 is a characteristic diagram showing the contents of the sharing ratio KDIS of this embodiment, and FIG. 5 is a system diagram of the conventional example. 2... Throttle valve, 3... Intake manifold, 4... Collector section, 5... Branch section, 6... Intake port section, 7... Cylinder, 11... Air flow meter, 12... Crank angle sensor, 13 ...Water temperature sensor, 20...First fuel injection valve, 31...
Second fuel injection valve, 32...Engine speed sensor, 33...Engine load sensor, 34...Basic injection amount calculation means, 35...Sharing ratio setting means, 3
6, 37...Fuel injection amount calculation means, 38, 39...
...Output means, 40...Synchronization instruction means, 41...Control unit.
Claims (1)
、スロツトル弁の上流に設けられる第２の燃料噴
射弁と、エンジン回転数とエンジン負荷をそれぞ
れ検出するセンサと、これらの検出値に応じて基
本噴射量を算出する手段と、必要燃料量のうち前
記第２の燃料噴射弁が分担する割合をエンジン低
負荷時に大きく設定する手段と、設定された分担
割合と前記基本噴射量とから前記一対の燃料噴射
弁が分担すべき燃料噴射量を算出する手段と、算
出された燃料噴射量を対応する燃料噴射弁に出力
する手段と、エンジン負荷に関係なく前記第１の
燃料噴射弁による噴射タイミングを吸入行程に同
期させることを第１の燃料噴射弁についての出力
手段に指示する手段とを設けたことを特徴とする
エンジンの燃料噴射供給装置。 A first fuel injector provided at the intake port, a second fuel injector provided upstream of the throttle valve, and sensors that detect engine speed and engine load, respectively, and basic means for calculating an injection amount; means for setting a larger proportion of the required fuel amount to be shared by the second fuel injection valve when the engine is under low load; means for calculating the amount of fuel injection to be shared by the fuel injection valves; means for outputting the calculated amount of fuel injection to the corresponding fuel injection valve; and means for controlling the injection timing by the first fuel injection valve regardless of the engine load. 1. A fuel injection supply device for an engine, comprising means for instructing an output means for a first fuel injection valve to synchronize with the intake stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3796688U JPH0526286Y2 (en) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3796688U JPH0526286Y2 (en) | 1988-03-23 | 1988-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01141344U true JPH01141344U (en) | 1989-09-28 |
| JPH0526286Y2 JPH0526286Y2 (en) | 1993-07-02 |
Family
ID=31264537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3796688U Expired - Lifetime JPH0526286Y2 (en) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526286Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002349317A (en) * | 2001-05-21 | 2002-12-04 | Honda Motor Co Ltd | Fuel injection control apparatus for engine |
| EP2381084A1 (en) * | 2009-12-29 | 2011-10-26 | Kawasaki Jukogyo Kabushiki Kaisha | Air-intake duct for vehicle and vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007262996A (en) * | 2006-03-29 | 2007-10-11 | Denso Corp | Fuel injector for internal combustion engine |
-
1988
- 1988-03-23 JP JP3796688U patent/JPH0526286Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002349317A (en) * | 2001-05-21 | 2002-12-04 | Honda Motor Co Ltd | Fuel injection control apparatus for engine |
| JP4509420B2 (en) * | 2001-05-21 | 2010-07-21 | 本田技研工業株式会社 | Engine fuel injection control device |
| EP2381084A1 (en) * | 2009-12-29 | 2011-10-26 | Kawasaki Jukogyo Kabushiki Kaisha | Air-intake duct for vehicle and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526286Y2 (en) | 1993-07-02 |