JPS61151052U

JPS61151052U -

Info

Publication number: JPS61151052U
Application number: JP3334585U
Authority: JP
Priority date: 1985-03-11
Filing date: 1985-03-11
Publication date: 1986-09-18

Description

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

第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例を示す機関の概略図、
第３図は制御内容を示すフローチヤート、第４図
は制御特性図である。１……内燃機関、４……スロツトル弁、５……
燃料噴射弁、８……コントロールユニツト、９…
…スロツトル弁開度センサ。 Figure 1 is a functional block diagram showing the configuration of the present invention.
FIG. 2 is a schematic diagram of an engine showing an embodiment of the present invention;
FIG. 3 is a flowchart showing control details, and FIG. 4 is a control characteristic diagram. 1... Internal combustion engine, 4... Throttle valve, 5...
Fuel injection valve, 8... Control unit, 9...
...Throttle valve opening sensor.

Claims

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

スロツトル弁開度変化に基づいて加速状態を判
定する加速状態判定手段と、加速中に該加速中一
定の増量率を設定する加速中増量率設定手段と、
加速後に増量率が所定値以下となるまで増量率を
所定の第１の減少率で時間経過と共に減少させて
増量率を設定する第１の加速後増量率設定手段と
、加速後に増量率が所定値以下となつてから実質
的に零となるまで増量率を前記第１の減少率より
も小さい所定の第２の減少率で時間経過と共に減
少させて増量率を設定する第２の加速後増量率設
定手段と、吸入空気量に対応して定められる基本
燃料噴射量を加速中及び加速後に前記３つの設定
手段のいずれか１つにより設定された増量率で補
正して燃料噴射量を演算する燃料噴射量演算手段
と、この燃料噴射量に相当するパルス巾をもつパ
ルス信号を機関回転に同期して間欠的に出力する
パルス信号出力手段と、このパルス信号に応じた
量の燃料を機関吸気通路に噴射供給する燃料噴射
弁とを備えてなる内燃機関の電子制御燃料噴射装
置における加速増量装置。 an acceleration state determining means for determining an acceleration state based on a change in throttle valve opening; and an acceleration increasing rate setting means for setting a constant increasing rate during acceleration;
a first post-acceleration increase rate setting means for setting an increase rate by decreasing the increase rate over time at a first predetermined decrease rate until the increase rate becomes equal to or less than a predetermined value after acceleration; a second post-acceleration increase in which the increase rate is set by decreasing the increase rate over time at a predetermined second decrease rate smaller than the first decrease rate until the value becomes substantially zero; The fuel injection amount is calculated by correcting the basic fuel injection amount determined in accordance with the rate setting means and the intake air amount with the increase rate set by any one of the three setting means during and after acceleration. a fuel injection amount calculation means; a pulse signal output means for intermittently outputting a pulse signal having a pulse width corresponding to the fuel injection amount in synchronization with engine rotation; and a pulse signal output means for intermittently outputting a pulse signal having a pulse width corresponding to the fuel injection amount; An acceleration increase device in an electronically controlled fuel injection device for an internal combustion engine, which includes a fuel injection valve that supplies injection to a passage.