JPH01119849U - - Google Patents
Info
- Publication number
- JPH01119849U JPH01119849U JP1490688U JP1490688U JPH01119849U JP H01119849 U JPH01119849 U JP H01119849U JP 1490688 U JP1490688 U JP 1490688U JP 1490688 U JP1490688 U JP 1490688U JP H01119849 U JPH01119849 U JP H01119849U
- Authority
- JP
- Japan
- Prior art keywords
- atmospheric pressure
- detection means
- engine
- correction value
- pressure correction
- 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 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案に係る内燃エンジンの燃料供給
制御装置の全体構成図、第２図はＰＡスイツチの
オン―オフ特性を示す図、第３図は本考案に係る
大気圧補正係数ＫＰＡの算出サブルーチンのフロ
ーチヤート、第４図はＰＡスイツチの作動状態及
びＴＤＣ信号パルスに応じた大気圧補正係数ＫＰ
Ａの推移を示す図、第５図は始動時大気圧補正係
数ＫＰＡＣＲの算出サブルーチンのフローチヤー
トである。
１……内燃エンジン、５……電子コントロール
ユニツト（ＥＣＵ）（基本燃料量設定手段、大気
圧補正値設定手段）、８……絶対圧（ＰＢＡ）セ
ンサ（エンジン負荷検出手段）、１０……エンジ
ン回転数（Ｎｅ）センサ（エンジン負荷検出手段
）、１１……ＰＡスイツチ（スイツチ）、Ｔｉ…
…基本燃料噴射時間（基本燃料量）、ＫＰＡ……
大気圧補正係数（大気圧補正値）。
Figure 1 is an overall configuration diagram of the fuel supply control device for an internal combustion engine according to the present invention, Figure 2 is a diagram showing the on-off characteristics of the PA switch, and Figure 3 is the calculation of the atmospheric pressure correction coefficient KPA according to the present invention. Flowchart of the subroutine, Figure 4 shows the atmospheric pressure correction coefficient KP according to the operating state of the PA switch and the TDC signal pulse.
FIG. 5 is a flowchart of a subroutine for calculating the starting atmospheric pressure correction coefficient KPACR. 1... Internal combustion engine, 5... Electronic control unit (ECU) (basic fuel amount setting means, atmospheric pressure correction value setting means), 8... Absolute pressure (PBA) sensor (engine load detection means), 10... Engine Rotation speed (Ne) sensor (engine load detection means), 11...PA switch (switch), Ti...
...Basic fuel injection time (basic fuel amount), KPA...
Atmospheric pressure correction coefficient (atmospheric pressure correction value).
Claims (1)
段と、前記エンジンに吸入される空気の大気圧を
検出する大気圧検出手段と、前記エンジン負荷検
出手段の出力に応じて基本燃料量を設定する基本
燃料量設定手段と、前記大気圧検出手段の出力に
応じて前記基本燃料量を補正する大気圧補正値を
設定する大気圧補正値設定手段とを備えた内燃エ
ンジンの燃料供給制御装置において、前記大気圧
検出手段は所定圧力値に関し反転信号を出力する
スイツチであるとともに、前記大気圧補正値設定
手段は該スイツチの出力に応じ前記大気圧補正値
を漸増又は漸減するように構成したことを特徴と
する内燃エンジンの燃料供給制御装置。 an engine load detection means for detecting the load of the engine; an atmospheric pressure detection means for detecting the atmospheric pressure of the air taken into the engine; and a basic fuel amount for setting the basic fuel amount according to the output of the engine load detection means. A fuel supply control device for an internal combustion engine, comprising a setting means and an atmospheric pressure correction value setting means for setting an atmospheric pressure correction value for correcting the basic fuel amount according to the output of the atmospheric pressure detection means, wherein the atmospheric pressure The detection means is a switch that outputs an inverted signal regarding a predetermined pressure value, and the atmospheric pressure correction value setting means is configured to gradually increase or decrease the atmospheric pressure correction value according to the output of the switch. Fuel supply control device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1490688U JPH01119849U (en) | 1988-02-07 | 1988-02-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1490688U JPH01119849U (en) | 1988-02-07 | 1988-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01119849U true JPH01119849U (en) | 1989-08-14 |
Family
ID=31226507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1490688U Pending JPH01119849U (en) | 1988-02-07 | 1988-02-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01119849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010061148A (en) * | 1999-12-28 | 2001-07-07 | 이계안 | Method for complementing an air quantity of vehicle |
-
1988
- 1988-02-07 JP JP1490688U patent/JPH01119849U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010061148A (en) * | 1999-12-28 | 2001-07-07 | 이계안 | Method for complementing an air quantity of vehicle |