JPH027338U - - Google Patents
Info
- Publication number
- JPH027338U JPH027338U JP8562088U JP8562088U JPH027338U JP H027338 U JPH027338 U JP H027338U JP 8562088 U JP8562088 U JP 8562088U JP 8562088 U JP8562088 U JP 8562088U JP H027338 U JPH027338 U JP H027338U
- Authority
- JP
- Japan
- Prior art keywords
- supply amount
- fuel supply
- engine
- injector
- fuel
- 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 11
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の基本概念図、第２〜６図は本
考案に係る内燃機関の燃料供給装置の一実施例を
示す図であり、第２図はその全体構成図、第３図
はその燃料噴射制御のプログラムを示すフローチ
ヤート、第４図はその噴射制御に使用するマツプ
を示す図、第５図はその噴射割合の特性を示す図
、第６図はその作用を説明するタイミングチヤー
トである。
１……エンジン、８……混合用のインジエクタ
（第２のインジエクタ）、１０……ポート部イン
ジエクタ（第１のインジエクタ）、１３……燃料
供給手段、２０……運転状態検出手段、２８……
筒内圧センサ（燃焼状態検出手段）、３０……コ
ントロールユニツト（供給量演算手段、供給量決
定手段、割合設定手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 6 are diagrams showing an embodiment of the fuel supply system for an internal combustion engine according to the present invention, Fig. 2 is an overall configuration diagram thereof, and Fig. 3 is a diagram showing an embodiment of the fuel supply system for an internal combustion engine according to the present invention. A flowchart showing the fuel injection control program, Fig. 4 a map used for the injection control, Fig. 5 a diagram showing the characteristics of the injection ratio, and Fig. 6 a timing chart explaining its operation. It is. DESCRIPTION OF SYMBOLS 1... Engine, 8... Mixing injector (second injector), 10... Port part injector (first injector), 13... Fuel supply means, 20... Operating state detection means, 28...
Cylinder pressure sensor (combustion state detection means), 30...control unit (supply amount calculation means, supply amount determination means, ratio setting means).
Claims (1)
出手段と、 (b) エンジンの燃焼室の燃焼状態を検出する燃
焼状態検出手段と、 (c) 運転状態検出手段の出力に基づいて燃料供
給量を演算する供給量演算手段と、 (d) エンジンの運転状態に基づいて第１のイン
ジエクタおよび第２のインジエクタが燃料を供給
する割合を設定するとともに、燃焼状態検出手段
の出力に基づいて該供給割合を学習し書き換える
割合設定手段と、 (e) 供給量演算手段により演算された燃料供給
量を前記燃料の供給割合に応じて第１のインジエ
クタが供給する燃料量および第２のインジエクタ
が供給する燃料量に分けて燃料供給量を決定する
供給量決定手段と、 (f) 各気筒のポート部に設置された第１のイン
ジエクタと、絞弁上流側の吸気管に設置された第
２のインシエクタとからなり、供給量決定手段の
出力に基づいて燃料を供給する燃料供給手段と、 を備えたことを特徴とする内燃機関の燃料供給装
置。[Scope of Claim for Utility Model Registration] (a) Operating state detecting means for detecting the operating state of the engine; (b) Combustion state detecting means for detecting the combustion state of the combustion chamber of the engine; (c) Operating state detecting means (d) supply amount calculation means for calculating the fuel supply amount based on the output of the engine; (e) ratio setting means for learning and rewriting the supply ratio based on the output of the means; (e) adjusting the fuel supply amount calculated by the supply amount calculation means to the amount of fuel supplied by the first injector according to the fuel supply ratio; (f) a first injector installed at the port of each cylinder and an intake pipe upstream of the throttle valve; A fuel supply device for an internal combustion engine, comprising: a second injector installed in the injector; and a fuel supply means for supplying fuel based on the output of the supply amount determining means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8562088U JPH027338U (en) | 1988-06-27 | 1988-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8562088U JPH027338U (en) | 1988-06-27 | 1988-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027338U true JPH027338U (en) | 1990-01-18 |
Family
ID=31310273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8562088U Pending JPH027338U (en) | 1988-06-27 | 1988-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027338U (en) |
-
1988
- 1988-06-27 JP JP8562088U patent/JPH027338U/ja active Pending