JPS62132252U

JPS62132252U -

Info

Publication number: JPS62132252U
Application number: JP1998786U
Authority: JP
Priority date: 1986-02-17
Filing date: 1986-02-17
Publication date: 1987-08-20

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のクレーム対応図、第２図は本
考案の一実施例を示す構成図、第３図は同上のフ
ローチヤート、第４図は同上の作用説明図、第５
図及び第６図は従来の欠点を説明するための図で
ある。１…制御装置、２…クランク角センサ、７ａ〜
７ｄ…圧力センサ、１０ａ〜１０ｄ…燃料噴射弁
、１１…駆動回路。 Fig. 1 is a diagram corresponding to the claims of the present invention, Fig. 2 is a configuration diagram showing an embodiment of the present invention, Fig. 3 is a flowchart of the same, Fig. 4 is an explanatory diagram of the same as the above, and Fig. 5
FIG. 6 and FIG. 6 are diagrams for explaining the conventional drawbacks. 1...Control device, 2...Crank angle sensor, 7a~
7d...Pressure sensor, 10a-10d...Fuel injection valve, 11...Drive circuit.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

機関の各気筒に燃料噴射弁を夫々備える多気筒
内燃機関において、機関の運転状態に応じて全て
の気筒に略共通な通常噴射量を設定する燃料噴射
量設定手段と、各気筒の燃焼室圧力を夫々検出す
る圧力検出手段と、検出された燃焼室圧力に基づ
いて気筒別の図示平均有効圧を演算する有効圧演
算手段と、演算された図示平均有効圧に基づいて
各気筒の図示平均有効圧を目標図示平均有効圧に
近づけるように前記通常噴射量を補正し気筒別噴
射量を演算する気筒別噴射量演算手段と、演算さ
れた気筒別噴射量に対応する駆動パルス信号を当
該気筒の燃料噴射弁に出力する駆動パルス出力手
段と、を備えたことを特徴とする多気筒内燃機関
の電子制御燃料噴射装置。 In a multi-cylinder internal combustion engine in which each cylinder of the engine is provided with a fuel injection valve, there is provided a fuel injection amount setting means for setting a normal injection amount that is substantially common to all cylinders according to the operating state of the engine, and a combustion chamber pressure in each cylinder. effective pressure calculating means for calculating the indicated average effective pressure for each cylinder based on the detected combustion chamber pressure; and effective pressure calculating means for calculating the indicated average effective pressure for each cylinder based on the calculated indicated average effective pressure. cylinder-by-cylinder injection amount calculation means for correcting the normal injection amount and calculating the cylinder-by-cylinder injection amount so as to bring the pressure closer to the target indicated average effective pressure; An electronically controlled fuel injection device for a multi-cylinder internal combustion engine, comprising: drive pulse output means for outputting a drive pulse to a fuel injection valve.