JPH01111156U - - Google Patents
Info
- Publication number
- JPH01111156U JPH01111156U JP492688U JP492688U JPH01111156U JP H01111156 U JPH01111156 U JP H01111156U JP 492688 U JP492688 U JP 492688U JP 492688 U JP492688 U JP 492688U JP H01111156 U JPH01111156 U JP H01111156U
- Authority
- JP
- Japan
- Prior art keywords
- mixture ratio
- fuel
- injection amount
- starting
- basic
- 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
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 102100030140 Thiosulfate:glutathione sulfurtransferase Human genes 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図はこの考案のクレーム対応図、第２図は
この考案の一実施例の制御系のシステム図、第３
図はこの実施例の動作を説明する流れ図、第４図
ないし第６図はそれぞれ第３図で使用されるＴＳ
Ｔ，ＫＮＳＴ，ＫＴＳＴの特性線図である。第７
図はこの考案の他の実施例の制御系のシステム図
、第８図ないし第１０図はこの実施例の動作を説
明する流れ図、第１１図ないし第１３図は従来装
置において使用されるＴＳＴ，ＫＮＳＴ，ＫＴＳ
Ｔの特性線図である。
２……混合率検出センサ、３……前回運転時の
混合率記憶手段、４，５……始動時基本噴射量算
出手段、６……噴射指示手段、７……噴射供給手
段、８……始動時検出手段、９……給油判定手段
、１１……回転数センサ、１２……エアフローメ
ータ、１３……水温センサ、１４……メタノール
混合率検出センサ、１５……酸素センサ、１６…
…イグニツシヨンスイツチ、１７……燃料容量セ
ンサ、１８……アイドルスイツチ、１９……ニユ
ートラルスイツチ、２１……コントロールユニツ
ト、２３……ＣＰＵ、２８……燃料噴射弁、２９
……アイドル制御弁。
Fig. 1 is a claim correspondence diagram of this invention, Fig. 2 is a system diagram of a control system of an embodiment of this invention, and Fig. 3 is a system diagram of a control system of an embodiment of this invention.
The figure is a flowchart explaining the operation of this embodiment, and Figures 4 to 6 respectively show the TS used in Figure 3.
It is a characteristic diagram of T, KNST, and KTST. 7th
The figure is a system diagram of a control system of another embodiment of this invention, Figures 8 to 10 are flowcharts explaining the operation of this embodiment, and Figures 11 to 13 are TSTs used in conventional equipment, KNST, KTS
It is a characteristic diagram of T. 2...Mixture ratio detection sensor, 3...Mixture ratio storage means for previous operation, 4, 5...Basic injection amount calculation means at startup, 6...Injection instruction means, 7...Injection supply means, 8... Starting detection means, 9... Refueling determination means, 11... Rotation speed sensor, 12... Air flow meter, 13... Water temperature sensor, 14... Methanol mixture ratio detection sensor, 15... Oxygen sensor, 16...
... Ignition switch, 17 ... Fuel capacity sensor, 18 ... Idle switch, 19 ... Neutral switch, 21 ... Control unit, 23 ... CPU, 28 ... Fuel injection valve, 29
...Idle control valve.
Claims (1)
ンサと、前回運転時の燃料に対する混合率を記憶
しておく手段と、記憶された混合率と検出された
混合率に応じて始動時基本噴射量をそれぞれ算出
する手段と、始動直後は前回運転時の燃料に応じ
た始動時基本噴射量を供給する一方で、給油があ
つた場合にはこの始動時噴射量を、検出された混
合率に応じた始動時基本噴射量に変更することを
指示する手段と、この指示を受けて燃料を噴射供
給する手段とを設けたことを特徴とするエンジン
の燃料噴射量制御装置。 A sensor that detects the mixture ratio of different fuels to a specific fuel, a means for storing the mixture ratio for the fuel during the previous operation, and a basic injection at startup according to the memorized mixture ratio and the detected mixture ratio. Immediately after starting, a basic starting injection amount is supplied according to the fuel used in the previous operation, while when refueling occurs, this starting injection amount is adjusted to the detected mixture ratio. 1. A fuel injection amount control device for an engine, comprising: means for instructing to change to a basic starting injection amount according to the starting time; and means for injecting and supplying fuel in response to the instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP492688U JPH01111156U (en) | 1988-01-19 | 1988-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP492688U JPH01111156U (en) | 1988-01-19 | 1988-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111156U true JPH01111156U (en) | 1989-07-26 |
Family
ID=31207866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP492688U Pending JPH01111156U (en) | 1988-01-19 | 1988-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009180130A (en) * | 2008-01-30 | 2009-08-13 | Nissan Motor Co Ltd | Engine start control device |
-
1988
- 1988-01-19 JP JP492688U patent/JPH01111156U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009180130A (en) * | 2008-01-30 | 2009-08-13 | Nissan Motor Co Ltd | Engine start control device |