JPH0296445U - - Google Patents
Info
- Publication number
- JPH0296445U JPH0296445U JP594589U JP594589U JPH0296445U JP H0296445 U JPH0296445 U JP H0296445U JP 594589 U JP594589 U JP 594589U JP 594589 U JP594589 U JP 594589U JP H0296445 U JPH0296445 U JP H0296445U
- Authority
- JP
- Japan
- Prior art keywords
- water temperature
- fuel supply
- engine
- fuel
- stop control
- 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
- 239000000446 fuel Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は、本考案にかかる燃料制御装置を備え
たエンジンのデチヨーク操作における燃料供給停
止の判定基準を示す図である。第２図は、本考案
にかかる燃料制御装置を備えたエンジンのシステ
ム構成図である。第３図は、スロツトルセンサ検
出値のスロツトル開度に対する特性を示す図であ
る。第４図は基本噴射パルス幅算出ルーチンを示
すフローチヤートである。第５図は、燃料噴射制
御を行う割り込みルーチンを示すフローチヤート
である。第６図は、フエイルフラグをセツトする
ためのフエイルフラグルーチンを示すフローチヤ
ートである。
ＣＥ…エンジン、３…燃焼室、５…点火プラグ
、１０…共通吸気通路、１２…エアフローメータ
、１３…スロツトル弁、１６…独立吸気通路、１
７…燃料噴射弁、２０…コントロールユニツト、
２１…吸気温センサ、２２…スロツトルセンサ、
２３…水温センサ。
FIG. 1 is a diagram illustrating criteria for determining whether fuel supply should be stopped in a de-yoke operation of an engine equipped with a fuel control device according to the present invention. FIG. 2 is a system configuration diagram of an engine equipped with a fuel control device according to the present invention. FIG. 3 is a diagram showing the characteristics of the throttle sensor detection value with respect to the throttle opening. FIG. 4 is a flowchart showing the basic injection pulse width calculation routine. FIG. 5 is a flowchart showing an interrupt routine for controlling fuel injection. FIG. 6 is a flowchart showing a fail flag routine for setting a fail flag. CE...Engine, 3...Combustion chamber, 5...Spark plug, 10...Common intake passage, 12...Air flow meter, 13...Throttle valve, 16...Independent intake passage, 1
7...Fuel injection valve, 20...Control unit,
21... Intake temperature sensor, 22... Throttle sensor,
23...Water temperature sensor.
Claims (1)
時であるときには、燃料供給を停止するように制
御するエンジンの燃料制御装置において、 上記燃料供給停止制御を水温が所定値以下のと
きのみ行うとともに、水温を検出する水温検出手
段が故障したときには上記燃料供給停止制御を禁
止するようにしたことを特徴とするエンジンの燃
料制御装置。[Scope of Claim for Utility Model Registration] In an engine fuel control device that controls the fuel supply to be stopped when the engine is started and the throttle valve is fully open, the fuel supply stop control is performed when the water temperature is below a predetermined value. A fuel control device for an engine, characterized in that the fuel supply stop control is performed only when the water temperature is detected, and the fuel supply stop control is prohibited when the water temperature detection means for detecting the water temperature has failed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP594589U JPH0623730Y2 (en) | 1989-01-21 | 1989-01-21 | Engine fuel controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP594589U JPH0623730Y2 (en) | 1989-01-21 | 1989-01-21 | Engine fuel controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0296445U true JPH0296445U (en) | 1990-08-01 |
| JPH0623730Y2 JPH0623730Y2 (en) | 1994-06-22 |
Family
ID=31209764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP594589U Expired - Lifetime JPH0623730Y2 (en) | 1989-01-21 | 1989-01-21 | Engine fuel controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623730Y2 (en) |
-
1989
- 1989-01-21 JP JP594589U patent/JPH0623730Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623730Y2 (en) | 1994-06-22 |