JPH0250039U - - Google Patents
Info
- Publication number
- JPH0250039U JPH0250039U JP12637788U JP12637788U JPH0250039U JP H0250039 U JPH0250039 U JP H0250039U JP 12637788 U JP12637788 U JP 12637788U JP 12637788 U JP12637788 U JP 12637788U JP H0250039 U JPH0250039 U JP H0250039U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- rotation speed
- temperature
- engine
- amount
- 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
- 239000003054 catalyst Substances 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 3
- 238000000746 purification Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の一実施例を示す全体系統図、
第２図は本考案の制御例を図式的に示すグラフ、
第３図は、本考案の制御例を示すフローチヤート
、第４図、第５図は、第２図の変形例を示すグラ
グ、第６図は本考案の全体構成図である。
１：エンジン本体、２７：燃料噴射弁、３１：
制御ユニツト、３４：センサ、３５：センサ。
FIG. 1 is an overall system diagram showing an embodiment of the present invention.
FIG. 2 is a graph schematically showing a control example of the present invention.
FIG. 3 is a flowchart showing a control example of the present invention, FIGS. 4 and 5 are graphs showing a modification of FIG. 2, and FIG. 6 is an overall configuration diagram of the present invention. 1: Engine body, 27: Fuel injection valve, 31:
Control unit, 34: sensor, 35: sensor.
Claims (1)
燃料供給手段を制御して、該燃料供給手段からの
供給燃料を燃料カツトする燃料カツト手段と、 エンジン回転数が所定回転数以上の状態から所
定回転数未満の回転数となつたとき、前記燃料供
給手段を制御して、供給燃料量を徐々に要求燃料
量まで復帰させる復帰手段と、 排気浄化用触媒の温度を検出する触媒温度検出
手段と、 前記触媒温度検出手段による触媒温度が所定温
度以上のとき、該触媒温度が所定温度未満である
場合に比べて供給燃料量の要求燃料量までの復帰
時間を早める復帰変更手段と、 を備えることを特徴とするエンジンの燃料制御
装置。[Claims for Utility Model Registration] A fuel supply means for supplying fuel to the engine; a rotation speed detection means for detecting the engine rotation speed; , a fuel cut means for cutting off the fuel supplied from the fuel supply means; controlling the fuel supply means when the engine rotation speed changes from a predetermined rotation speed or higher to a rotation speed below the predetermined rotation speed; a return means for gradually returning the supplied fuel amount to the required fuel amount; a catalyst temperature detection means for detecting the temperature of the exhaust purification catalyst; and when the catalyst temperature detected by the catalyst temperature detection means is equal to or higher than a predetermined temperature, the catalyst temperature is 1. A fuel control device for an engine, comprising: a return change means that accelerates the time required for the amount of supplied fuel to return to the required amount of fuel compared to when the temperature is below a predetermined temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12637788U JPH0250039U (en) | 1988-09-29 | 1988-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12637788U JPH0250039U (en) | 1988-09-29 | 1988-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250039U true JPH0250039U (en) | 1990-04-06 |
Family
ID=31377848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12637788U Pending JPH0250039U (en) | 1988-09-29 | 1988-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250039U (en) |
-
1988
- 1988-09-29 JP JP12637788U patent/JPH0250039U/ja active Pending