JPH01160148U - - Google Patents
Info
- Publication number
- JPH01160148U JPH01160148U JP5753688U JP5753688U JPH01160148U JP H01160148 U JPH01160148 U JP H01160148U JP 5753688 U JP5753688 U JP 5753688U JP 5753688 U JP5753688 U JP 5753688U JP H01160148 U JPH01160148 U JP H01160148U
- Authority
- JP
- Japan
- Prior art keywords
- air amount
- detection means
- air
- flow rate
- opening degree
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Measuring Volume Flow (AREA)
Description
第１図は本考案の基本概念図、第２〜５図は本
考案の第１実施例を示す図であり、第２図はその
全体構成図、第３図はその基本パルスＴｐを演算
するプログラムを示すフローチヤート、第４図は
その補正係数ＫＷのテーブルマツプ、第５図はそ
の効果を説明するためのタイミングチヤート、第
６図は本考案の第２実施例を示すその基本パルス
Ｔｐを演算するプログラムを示すフローチヤート
である。
１……エンジン、７……エアフローメータ（吸
気量検出手段）、９……絞弁開度センサ（開度検
出手段）、１０……圧力センサ（吸気管圧力検出
手段）、１１……クランク角センサ（回転数検出
手段）、２０……コントロールユニツト（空気量
演算手段、空気量検出手段）。
Fig. 1 is a basic conceptual diagram of the present invention, Figs. 2 to 5 are diagrams showing the first embodiment of the invention, Fig. 2 is its overall configuration diagram, and Fig. 3 is a calculation of its basic pulse Tp. A flowchart showing the program, FIG. 4 is a table map of its correction coefficient KW, FIG. 5 is a timing chart to explain its effect, and FIG. 6 is its basic pulse Tp showing the second embodiment of the present invention. It is a flowchart showing a program for calculation. 1... Engine, 7... Air flow meter (intake air amount detection means), 9... Throttle valve opening sensor (opening detection means), 10... Pressure sensor (intake pipe pressure detection means), 11... Crank angle Sensor (rotation speed detection means), 20...control unit (air amount calculation means, air amount detection means).
Claims (1)
吸気管圧力検出手段と、 ｂ 絞弁の開度を検出する開度検出手段と、 ｃ エンジンの回転数を検出する回転数検出手段
と、 ｄ 絞弁の開度とエンジン回転数とからエンジン
の吸入空気量を演算する空気量演算手段と、 ｅ 吸気管圧力検出手段の出力に基づいて気筒内
に吸入される空気流量を求め、該空気流量を空気
量演算手段の出力に応じて補正する空気量検出手
段と、 を備えたことを特徴とする内燃機関の空気量検
出装置。[Scope of Claim for Utility Model Registration] a. Intake pipe pressure detection means for detecting the pressure of intake air in the intake pipe; b. Opening degree detection means for detecting the opening degree of the throttle valve; c. d air amount calculation means that calculates the intake air amount of the engine from the opening degree of the throttle valve and the engine rotational speed; and e air flow rate taken into the cylinder based on the output of the intake pipe pressure detection means. An air amount detection device for an internal combustion engine, comprising: air amount detection means for determining the air flow rate and correcting the air flow rate according to the output of the air amount calculation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5753688U JPH01160148U (en) | 1988-04-27 | 1988-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5753688U JPH01160148U (en) | 1988-04-27 | 1988-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160148U true JPH01160148U (en) | 1989-11-07 |
Family
ID=31283386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5753688U Pending JPH01160148U (en) | 1988-04-27 | 1988-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01290940A (en) * | 1988-05-18 | 1989-11-22 | Fujitsu Ten Ltd | Fuel injection amount control system of internal combustion engine |
| JPH0233431A (en) * | 1988-07-21 | 1990-02-02 | Fujitsu Ten Ltd | Fuel injection quantity control method for internal combustion engine |
-
1988
- 1988-04-27 JP JP5753688U patent/JPH01160148U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01290940A (en) * | 1988-05-18 | 1989-11-22 | Fujitsu Ten Ltd | Fuel injection amount control system of internal combustion engine |
| JPH0233431A (en) * | 1988-07-21 | 1990-02-02 | Fujitsu Ten Ltd | Fuel injection quantity control method for internal combustion engine |