JPS6271350U - - Google Patents
Info
- Publication number
- JPS6271350U JPS6271350U JP16201085U JP16201085U JPS6271350U JP S6271350 U JPS6271350 U JP S6271350U JP 16201085 U JP16201085 U JP 16201085U JP 16201085 U JP16201085 U JP 16201085U JP S6271350 U JPS6271350 U JP S6271350U
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- bypass
- amount
- fuel
- control 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims 6
- 238000002485 combustion reaction Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 3
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 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図はこの考案の構成を示す図。第２図は実
施例の構成図、第３図及び第４図は制御回路の作
動を説明するフローチヤート図。
２６……サージタンク、２８……スロツトル弁
、３２……エアフローメータ、３４……インジエ
クタ、４０……バイパス通路、４２……ＩＳＣ弁
、５０……制御回路、６２……スロツトルセンサ
、６４，６６……クランク角センサ、６８……水
温センサ。
FIG. 1 is a diagram showing the configuration of this invention. FIG. 2 is a block diagram of the embodiment, and FIGS. 3 and 4 are flowcharts explaining the operation of the control circuit. 26... Surge tank, 28... Throttle valve, 32... Air flow meter, 34... Injector, 40... Bypass passage, 42... ISC valve, 50... Control circuit, 62... Throttle sensor, 64, 66...Crank angle sensor, 68...Water temperature sensor.
Claims (1)
装置、 スロツトル弁の上流に配置され、内燃機関への
吸入空気量を計測するベーン式の吸入空気量検知
手段、 スロツトル弁を迂回するように吸気管に接続さ
れ、上流側端部は吸入空気量検知手段の上流に配
置されるバイパス通路、 バイパス通路に設置される開閉式のバイパス制
御弁、 所定のアイドル回転数を得るようにバイパス制
御弁の開閉デユーテイ比を制御するバイパス制御
手段、 吸入空気量検知手段により検知される吸入空気
量及びその他の必要な運転条件因子より燃料供給
量を演算する手段、 演算された燃料供給量をバイパス制御弁の駆動
信号のデユーテイ比に応じて増加修正する手段、 修正演算された量の燃料を燃料供給手段より内
燃機関に供給する燃料供給制御手段。[Claims for Utility Model Registration] An air-fuel ratio control device for an internal combustion engine consisting of the following components: a vane-type intake air amount detection means disposed upstream of a throttle valve to measure the amount of intake air into the internal combustion engine; A bypass passage is connected to the intake pipe so as to bypass the valve, and the upstream end is arranged upstream of the intake air amount detection means, an open/close type bypass control valve installed in the bypass passage, and a bypass control valve that controls a predetermined idle rotation speed. bypass control means for controlling the opening/closing duty ratio of the bypass control valve so as to obtain the amount of fuel supplied; means for calculating the fuel supply amount from the intake air amount detected by the intake air amount detection means and other necessary operating condition factors; Means for increasing and correcting the supply amount according to the duty ratio of the drive signal of the bypass control valve; Fuel supply control means for supplying the corrected amount of fuel from the fuel supply means to the internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16201085U JPS6271350U (en) | 1985-10-24 | 1985-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16201085U JPS6271350U (en) | 1985-10-24 | 1985-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6271350U true JPS6271350U (en) | 1987-05-07 |
Family
ID=31088861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16201085U Pending JPS6271350U (en) | 1985-10-24 | 1985-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6271350U (en) |
-
1985
- 1985-10-24 JP JP16201085U patent/JPS6271350U/ja active Pending
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