JPS6256742U - - Google Patents
Info
- Publication number
- JPS6256742U JPS6256742U JP14654285U JP14654285U JPS6256742U JP S6256742 U JPS6256742 U JP S6256742U JP 14654285 U JP14654285 U JP 14654285U JP 14654285 U JP14654285 U JP 14654285U JP S6256742 U JPS6256742 U JP S6256742U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection amount
- intake air
- engine
- flow rate
- 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 description 12
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示すシステム図、第３図
は同上のフローチヤート、第４図は水蒸気分圧に
よる軸出力の変化を示す線図、第５図は季節によ
る水蒸気分圧の変化を示す線図である。
１……機関、７……燃料噴射弁、８……コント
ロールユニツト、９……熱線式エアフロメータ、
１０……クランク角センサ、１２……湿度センサ
。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a system diagram showing one embodiment of the present invention, Figure 3 is a flowchart of the same as above, Figure 4 is a line diagram showing changes in shaft output due to water vapor partial pressure, and Figure 5 is a change in water vapor partial pressure depending on the season. FIG. 1... Engine, 7... Fuel injection valve, 8... Control unit, 9... Hot wire air flow meter,
10... Crank angle sensor, 12... Humidity sensor.
Claims (1)
手段と、機関回転数を検出する回転数検出手段と
、機関吸入空気流量と機関回転数とから基本燃料
噴射量を演算する基本燃料噴射量演算手段と、基
本燃料噴射量を補正して燃料噴射量を演算する燃
料噴射量演算手段とを備え、演算された燃料噴射
量に対応するパルス巾をもつ駆動パルス信号を機
関回転に同期して電磁式燃料噴射弁に与えること
により燃料噴射量を制御するようにした内燃機関
の電子制御燃料噴射装置において、吸入空気中の
湿度を検出する湿度検出手段と、検出された湿度
に応じた補正値を設定して前記燃料噴射量演算手
段に与える補正値設定手段とを設けたことを特徴
とする内燃機関の電子制御燃料噴射装置。 An intake air flow rate detection means for detecting the engine intake air flow rate, a rotation speed detection means for detecting the engine rotation speed, and a basic fuel injection amount calculation means for calculating the basic fuel injection amount from the engine intake air flow rate and the engine rotation speed. , a fuel injection amount calculation means for calculating the fuel injection amount by correcting the basic fuel injection amount, and a drive pulse signal having a pulse width corresponding to the calculated fuel injection amount is sent to the electromagnetic fuel in synchronization with the engine rotation. An electronically controlled fuel injection device for an internal combustion engine that controls the amount of fuel injected by applying it to an injection valve includes a humidity detection means for detecting humidity in intake air and a correction value set according to the detected humidity. An electronically controlled fuel injection device for an internal combustion engine, further comprising correction value setting means for providing the correction value to the fuel injection amount calculation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14654285U JPS6256742U (en) | 1985-09-27 | 1985-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14654285U JPS6256742U (en) | 1985-09-27 | 1985-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6256742U true JPS6256742U (en) | 1987-04-08 |
Family
ID=31059102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14654285U Pending JPS6256742U (en) | 1985-09-27 | 1985-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6256742U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155228A (en) * | 1982-03-11 | 1983-09-14 | Mazda Motor Corp | Fuel supply device for engine |
-
1985
- 1985-09-27 JP JP14654285U patent/JPS6256742U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155228A (en) * | 1982-03-11 | 1983-09-14 | Mazda Motor Corp | Fuel supply device for engine |