JPS63118356U - - Google Patents
Info
- Publication number
- JPS63118356U JPS63118356U JP1052587U JP1052587U JPS63118356U JP S63118356 U JPS63118356 U JP S63118356U JP 1052587 U JP1052587 U JP 1052587U JP 1052587 U JP1052587 U JP 1052587U JP S63118356 U JPS63118356 U JP S63118356U
- Authority
- JP
- Japan
- Prior art keywords
- calculating
- throttle valve
- flow rate
- steady flow
- engine
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 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)
- Measuring Volume Flow (AREA)
Description
第１図は本考案のブロツク構成図、第２図は本
考案の第１実施例を示す機械的構成図、第３図、
第４図はこの実施例の演算内容を示す流れ図、第
５図〜第７図はこの演算に用いる各テーブル内容
を表す特性線図、第８図は前記実施例の遅れ係数
の特性を示す線図、第９図はこの実施例の作用を
説明する波形図である。第１０図は本考案の第２
実施例の演算内容を示す流れ図、第１１図、第１
２図はこの演算に用いる各テーブル内容を表す特
性線図である。第１３図は先願の作用を説明する
波形図である。
１……絞り弁開度検出手段、２……機関回転速
度検出手段、３……定常流量演算手段、４……遅
れ係数演算手段、５……シリンダ空気量演算手段
、６……過渡時判別手段、７……切替手段、１０
……燃料噴射弁、１１……吸気ポート、１２……
絞り弁開度センサ、１４……吸気絞り弁、１５…
…回転センサ（クランク角センサ）、１６……水
温センサ、１７……空燃比センサ、１８……コン
トロールユニツト。
Fig. 1 is a block configuration diagram of the present invention, Fig. 2 is a mechanical configuration diagram showing the first embodiment of the invention, Fig. 3,
Fig. 4 is a flowchart showing the calculation contents of this embodiment, Figs. 5 to 7 are characteristic diagrams showing the contents of each table used in this calculation, and Fig. 8 is a line showing the characteristics of the delay coefficient of the above embodiment. 9 are waveform diagrams explaining the operation of this embodiment. Figure 10 shows the second part of this invention.
Flowchart showing the calculation contents of the example, Fig. 11, Fig. 1
FIG. 2 is a characteristic diagram showing the contents of each table used in this calculation. FIG. 13 is a waveform diagram illustrating the effect of the prior application. 1... Throttle valve opening detection means, 2... Engine rotation speed detection means, 3... Steady flow rate calculation means, 4... Delay coefficient calculation means, 5... Cylinder air amount calculation means, 6... Transient time determination Means, 7...Switching means, 10
... Fuel injection valve, 11 ... Intake port, 12 ...
Throttle valve opening sensor, 14... Intake throttle valve, 15...
... Rotation sensor (crank angle sensor), 16 ... Water temperature sensor, 17 ... Air-fuel ratio sensor, 18 ... Control unit.
Claims (1)
検出する手段と、両検出値に基づいて絞り弁部の
定常流量を演算する手段と、同じく両検出値を用
いて絞り弁からシリンダへの空気流れに関する遅
れ係数を演算する手段と、前記定常流量をこの遅
れ係数にて遅延補正することによりシリンダに流
入する空気量を演算する手段とを備える機関の空
気量検出装置において、加速時または減速時であ
るかどうかを判別する手段と、加速時と減速時と
で前記遅れ係数の値を切り替える手段とを設けた
ことを特徴とする機関の空気量検出装置。 A means for detecting the throttle valve opening degree, a means for detecting the engine rotational speed, a means for calculating the steady flow rate of the throttle valve section based on both detected values, and a means for calculating the steady flow rate of the throttle valve part based on both detected values, An air amount detection device for an engine, comprising means for calculating a delay coefficient related to air flow, and means for calculating the amount of air flowing into a cylinder by correcting the delay of the steady flow rate using the delay coefficient. 1. An air amount detection device for an engine, comprising means for determining whether or not the current time is reached, and means for switching the value of the delay coefficient between acceleration and deceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987010525U JPH07685Y2 (en) | 1987-01-27 | 1987-01-27 | Air amount detector for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987010525U JPH07685Y2 (en) | 1987-01-27 | 1987-01-27 | Air amount detector for engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63118356U true JPS63118356U (en) | 1988-07-30 |
| JPH07685Y2 JPH07685Y2 (en) | 1995-01-11 |
Family
ID=30796899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987010525U Expired - Lifetime JPH07685Y2 (en) | 1987-01-27 | 1987-01-27 | Air amount detector for engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07685Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5181232A (en) * | 1975-01-14 | 1976-07-16 | Nissan Motor | NAINENKIKANNONENRYOSEIGYOSOCHI |
| JPS58150041A (en) * | 1982-03-03 | 1983-09-06 | Hitachi Ltd | Electronic fuel injection device |
-
1987
- 1987-01-27 JP JP1987010525U patent/JPH07685Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5181232A (en) * | 1975-01-14 | 1976-07-16 | Nissan Motor | NAINENKIKANNONENRYOSEIGYOSOCHI |
| JPS58150041A (en) * | 1982-03-03 | 1983-09-06 | Hitachi Ltd | Electronic fuel injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07685Y2 (en) | 1995-01-11 |
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