JPH01159150U - - Google Patents
Info
- Publication number
- JPH01159150U JPH01159150U JP5449388U JP5449388U JPH01159150U JP H01159150 U JPH01159150 U JP H01159150U JP 5449388 U JP5449388 U JP 5449388U JP 5449388 U JP5449388 U JP 5449388U JP H01159150 U JPH01159150 U JP H01159150U
- Authority
- JP
- Japan
- Prior art keywords
- operation state
- change rate
- opening change
- deceleration
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 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
図は本考案の一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制御内容を示すフロー
チヤート、第4図は同上実施例における減速判定
の特性を示すタイムチヤート、第5図は従来の問
題点を説明するためのタイムチヤートである。
1……機関、2……吸気通路、3……スロツト
ル弁、4……スロツトルセンサ、6……コントロ
ールユニツト、7……燃料噴射弁、9……水温セ
ンサ。
Figure 1 is a block diagram showing the configuration of the present invention, Figure 2 is a block diagram showing the configuration of the present invention.
The figure is a system schematic diagram showing one embodiment of the present invention, FIG. 3 is a flow chart showing the control contents in the above embodiment, FIG. 4 is a time chart showing the characteristics of deceleration judgment in the above embodiment, and FIG. This is a time chart for explaining conventional problems. DESCRIPTION OF SYMBOLS 1... Engine, 2... Intake passage, 3... Throttle valve, 4... Throttle sensor, 6... Control unit, 7... Fuel injection valve, 9... Water temperature sensor.
Claims (1)
化率を検出する開度変化率検出手段と、該開度変
化率検出手段で検出した開度変化率と閉側の所定
開度変化率とを比較して機関減速運転状態を判定
する減速運転状態判定手段と、該減速運転状態判
定手段により機関減速運転状態が判定されたとき
に燃料供給量を減量補正制御を行う減速減量制御
手段と、機関温度を検出する機関温度検出手段と
、該機関温度検出手段で検出した機関温度に応じ
て前記減速運転状態判定手段における閉側の所定
開度変化率を可変設定する減速判定基準可変設定
手段と、を含んで構成されたことを特徴とする内
燃機関の減速制御装置。 An opening change rate detection means for detecting the opening change rate of a throttle valve installed in an engine intake system, and an opening change rate detected by the opening change rate detection means and a predetermined opening change rate on the closing side. deceleration operation state determination means for determining the engine deceleration operation state by comparing the deceleration operation state; deceleration reduction control means for performing reduction correction control on the fuel supply amount when the engine deceleration operation state is determined by the deceleration operation state determination means; an engine temperature detection means for detecting engine temperature; and a deceleration criterion variable setting means for variably setting a predetermined opening change rate on the closing side of the deceleration operation state determination means in accordance with the engine temperature detected by the engine temperature detection means. What is claimed is: 1. A deceleration control device for an internal combustion engine, comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5449388U JPH01159150U (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5449388U JPH01159150U (en) | 1988-04-25 | 1988-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01159150U true JPH01159150U (en) | 1989-11-02 |
Family
ID=31280421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5449388U Pending JPH01159150U (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01159150U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58220931A (en) * | 1982-06-16 | 1983-12-22 | Japan Electronic Control Syst Co Ltd | Electronic control system fuel injection device of internal-combustion engine |
JPS5934429A (en) * | 1982-08-23 | 1984-02-24 | Japan Electronic Control Syst Co Ltd | Electronically controlled fuel injection device of internal-combustion engine |
-
1988
- 1988-04-25 JP JP5449388U patent/JPH01159150U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58220931A (en) * | 1982-06-16 | 1983-12-22 | Japan Electronic Control Syst Co Ltd | Electronic control system fuel injection device of internal-combustion engine |
JPS5934429A (en) * | 1982-08-23 | 1984-02-24 | Japan Electronic Control Syst Co Ltd | Electronically controlled fuel injection device of internal-combustion engine |