JPH0240945U - - Google Patents
Info
- Publication number
- JPH0240945U JPH0240945U JP11938188U JP11938188U JPH0240945U JP H0240945 U JPH0240945 U JP H0240945U JP 11938188 U JP11938188 U JP 11938188U JP 11938188 U JP11938188 U JP 11938188U JP H0240945 U JPH0240945 U JP H0240945U
- Authority
- JP
- Japan
- Prior art keywords
- fuel supply
- engine
- rotational speed
- setting
- supply stop
- 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 26
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の実施例を示すシステム概略図、第３
図は同上実施例における燃料供給制御を示すフロ
ーチヤート、第４図は同上実施例において燃料供
給を再開させるリカバリー回転速度の設定制御を
示すフローチヤート、第５図はリカバリー回転速
度の設定要素である機関回転速度減少率の検出特
性を示すタイムチヤートである。
１……機関、６……エアフローメータ、７……
スロツトル弁、８……アイドルスイツチ、９……
燃料噴射弁、１０……クランク角センサ、１１…
…コントロールユニツト、１２……水温センサ。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a system schematic diagram showing an embodiment of the present invention.
The figure is a flowchart showing fuel supply control in the above embodiment, Figure 4 is a flowchart showing recovery rotation speed setting control for restarting fuel supply in the above embodiment, and Figure 5 is a recovery rotation speed setting element. This is a time chart showing the detection characteristics of the engine rotation speed reduction rate. 1... Engine, 6... Air flow meter, 7...
Throttle valve, 8...Idle switch, 9...
Fuel injection valve, 10... Crank angle sensor, 11...
...Control unit, 12...Water temperature sensor.
Claims (1)
検出する機関運転状態検出手段と、検出された機
関運転状態に基づいて燃料供給量を設定する燃料
供給量設定手段と、設定された燃料供給量に基づ
いて機関に燃料を供給する燃料供給手段と、を含
んで構成された内燃機関の燃料供給制御装置にお
いて、燃料供給停止制御を開始させる所定の運転
条件を少なくとも機関回転速度を含めて判別する
燃料供給停止条件判別手段と、該燃料供給停止条
件検出手段により燃料供給停止制御を開始させる
所定の運転条件が検出されたときに前記燃料供給
手段による燃料供給を強制的に停止させる燃料供
給停止手段と、機関回転速度の減少率を検出する
回転速度減少率検出手段と、検出された回転速度
の減少率に基づいて燃料供給を再開させる機関回
転速度を設定する燃料供給再開条件設定手段と、
該燃料供給再開条件設定手段で設定した燃料供給
を再開させる機関回転速度以下に機関回転速度が
低下したときに前記燃料供給停止手段による燃料
供給停止制御を強制的に解除させる燃料供給停止
解除手段と、を設けたことを特徴とする内燃機関
の燃料供給制御装置。 an engine operating state detection means for detecting an engine operating state including at least an engine rotational speed; a fuel supply amount setting means for setting a fuel supply amount based on the detected engine operating state; and a fuel supply amount setting means for setting a fuel supply amount based on the set fuel supply amount. In a fuel supply control device for an internal combustion engine configured to include a fuel supply means for supplying fuel to the engine, a fuel supply stop is performed that determines a predetermined operating condition for starting fuel supply stop control, including at least the engine rotation speed. a condition determination means; a fuel supply stop means for forcibly stopping fuel supply by the fuel supply means when a predetermined operating condition for starting fuel supply stop control is detected by the fuel supply stop condition detection means; a rotational speed reduction rate detection means for detecting a rotational speed reduction rate; a fuel supply restart condition setting means for setting an engine rotational speed at which fuel supply is to be restarted based on the detected rotational speed reduction rate;
fuel supply stop canceling means for forcibly canceling the fuel supply stop control by the fuel supply stop means when the engine rotation speed decreases below the engine rotation speed at which the fuel supply is restarted as set by the fuel supply restart condition setting means; 1. A fuel supply control device for an internal combustion engine, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988119381U JPH088273Y2 (en) | 1988-09-13 | 1988-09-13 | Fuel supply control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988119381U JPH088273Y2 (en) | 1988-09-13 | 1988-09-13 | Fuel supply control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0240945U true JPH0240945U (en) | 1990-03-20 |
| JPH088273Y2 JPH088273Y2 (en) | 1996-03-06 |
Family
ID=31364561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988119381U Expired - Lifetime JPH088273Y2 (en) | 1988-09-13 | 1988-09-13 | Fuel supply control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH088273Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533703A (en) * | 1991-07-30 | 1993-02-09 | Nissan Motor Co Ltd | Internal combustion engine rotational speed drop detection device |
| JP2019157664A (en) * | 2018-03-08 | 2019-09-19 | トヨタ自動車株式会社 | Controller of internal combustion engine |
| CN112627977A (en) * | 2019-10-09 | 2021-04-09 | 罗伯特·博世有限公司 | Control module and method for preventing engine stall and machine-readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56107927A (en) * | 1980-01-31 | 1981-08-27 | Nissan Motor Co Ltd | Fuel feeder |
| JPS58162740A (en) * | 1982-03-23 | 1983-09-27 | Toyota Motor Corp | Interruption of fuel supply for electronically controlled engine |
| JPS58220930A (en) * | 1982-06-16 | 1983-12-22 | Hitachi Ltd | Fuel jet injection device of internal-combustion engine |
| JPS5954739A (en) * | 1982-09-21 | 1984-03-29 | Toyota Motor Corp | Fuel-cut controller of internal-combustion engine |
| JPS59150933A (en) * | 1983-02-15 | 1984-08-29 | Fujitsu Ten Ltd | Injection control system for electronic fuel injecting apparatus |
-
1988
- 1988-09-13 JP JP1988119381U patent/JPH088273Y2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56107927A (en) * | 1980-01-31 | 1981-08-27 | Nissan Motor Co Ltd | Fuel feeder |
| JPS58162740A (en) * | 1982-03-23 | 1983-09-27 | Toyota Motor Corp | Interruption of fuel supply for electronically controlled engine |
| JPS58220930A (en) * | 1982-06-16 | 1983-12-22 | Hitachi Ltd | Fuel jet injection device of internal-combustion engine |
| JPS5954739A (en) * | 1982-09-21 | 1984-03-29 | Toyota Motor Corp | Fuel-cut controller of internal-combustion engine |
| JPS59150933A (en) * | 1983-02-15 | 1984-08-29 | Fujitsu Ten Ltd | Injection control system for electronic fuel injecting apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533703A (en) * | 1991-07-30 | 1993-02-09 | Nissan Motor Co Ltd | Internal combustion engine rotational speed drop detection device |
| JP2019157664A (en) * | 2018-03-08 | 2019-09-19 | トヨタ自動車株式会社 | Controller of internal combustion engine |
| CN112627977A (en) * | 2019-10-09 | 2021-04-09 | 罗伯特·博世有限公司 | Control module and method for preventing engine stall and machine-readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH088273Y2 (en) | 1996-03-06 |