JPS6453442U - - Google Patents
Info
- Publication number
- JPS6453442U JPS6453442U JP14981187U JP14981187U JPS6453442U JP S6453442 U JPS6453442 U JP S6453442U JP 14981187 U JP14981187 U JP 14981187U JP 14981187 U JP14981187 U JP 14981187U JP S6453442 U JPS6453442 U JP S6453442U
- Authority
- JP
- Japan
- Prior art keywords
- injection amount
- fuel injection
- calculating
- average value
- weighted average
- 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
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000000446 fuel Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 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システム図、第３図ないし
第５図はこの実施例の演算内容を示す流れ図、第
６図はこの考案の作用を説明するための波形図で
ある。
１……機関負荷検出手段、２……回転数検出手
段、３……基本噴射量演算手段、４……加重平均
値演算手段、５……アイドル時検出手段、６……
アイドル時の燃料噴射量設定手段、７……空燃比
検出手段、８……判定手段、９……選択手段、１
１……吸気絞り弁、１３……空気量センサ、１５
……クランク角センサ、１６……アイドルスイツ
チ、１７……水温センサ、２５……コントロール
ユニツト、２６……燃料噴射弁。
Fig. 1 is a claim correspondence diagram of this invention, Fig. 2 is a system diagram of an embodiment of this invention, Figs. 3 to 5 are flow charts showing the calculation contents of this embodiment, and Fig. 6 is a diagram of this invention. FIG. 4 is a waveform diagram for explaining the action. DESCRIPTION OF SYMBOLS 1... Engine load detection means, 2... Rotation speed detection means, 3... Basic injection amount calculation means, 4... Weighted average value calculation means, 5... Idle time detection means, 6...
Fuel injection amount setting means during idling, 7... Air-fuel ratio detection means, 8... Judgment means, 9... Selection means, 1
1...Intake throttle valve, 13...Air amount sensor, 15
... Crank angle sensor, 16 ... Idle switch, 17 ... Water temperature sensor, 25 ... Control unit, 26 ... Fuel injection valve.
Claims (1)
を演算する手段と、この基本噴射量の加重平均値
を演算する手段と、演算された加重平均値を用い
てアイドル時の燃料噴射量を設定する手段とを備
える機関の燃料噴射制御装置において、空燃比を
検出する手段と、アイドル時の空燃比が所定値よ
りもリーン側にあるかどうかを判定する手段と、
リーン側にある場合には前記アイドル時の燃料噴
射量を設定するに際して前記加重平均値の代わり
に基本噴射量を選択する手段とを設けたことを特
徴とする機関の燃料噴射制御装置。 A means for calculating a basic injection amount according to detected values of engine load and rotation speed, a means for calculating a weighted average value of the basic injection amount, and a means for calculating a fuel injection amount at idle using the calculated weighted average value. A fuel injection control device for an engine comprising: a means for detecting an air-fuel ratio; and a means for determining whether the air-fuel ratio during idling is on the lean side of a predetermined value;
A fuel injection control device for an engine, comprising means for selecting a basic injection amount instead of the weighted average value when setting the fuel injection amount at idle when the fuel injection amount is on the lean side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14981187U JPS6453442U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14981187U JPS6453442U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6453442U true JPS6453442U (en) | 1989-04-03 |
Family
ID=31422382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14981187U Pending JPS6453442U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453442U (en) |
-
1987
- 1987-09-30 JP JP14981187U patent/JPS6453442U/ja active Pending