JPH02112947U - - Google Patents
Info
- Publication number
- JPH02112947U JPH02112947U JP2004889U JP2004889U JPH02112947U JP H02112947 U JPH02112947 U JP H02112947U JP 2004889 U JP2004889 U JP 2004889U JP 2004889 U JP2004889 U JP 2004889U JP H02112947 U JPH02112947 U JP H02112947U
- Authority
- JP
- Japan
- Prior art keywords
- amount
- engine
- signal
- injection amount
- fuel injector
- 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 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図はこの考案の一実施例を示すもので、第１図
は電気式燃料噴射器の噴射量制御装置の概略図、
第２図及び第３図は第１図に示した噴射制御装置
の制御による補正の前後の作動パルスをそれぞれ
示す図、第４図は第３図に示した作動パルスで燃
料噴射を行なつた場合のエンジン始動後の経過時
間−エンジン回転数特性を従来例との比較で示し
た図である。
１……コントロールユニツト、２……燃料噴射
器、Ｓ１……吸入空気量信号、Ｓ２……スタータ
信号、Ｓ３……水温信号、Ｓ４……エンジン回転
数信号、Ｓ６……作動信号、Ｅ……エンジン。
The figure shows one embodiment of this invention, and Figure 1 is a schematic diagram of an injection amount control device for an electric fuel injector;
Figures 2 and 3 are diagrams showing the operating pulses before and after the correction by the control of the injection control device shown in Figure 1, respectively, and Figure 4 shows the fuel injection performed using the operating pulses shown in Figure 3. FIG. 4 is a diagram showing the elapsed time after engine start-engine rotation speed characteristics in comparison with a conventional example. 1...Control unit, 2...Fuel injector, S1...Intake air amount signal, S2 ... Starter signal, S3 ...Water temperature signal, S4 ...Engine speed signal, S6 ...Operation Signal, E...Engine.
Claims (1)
転数信号及び吸入空気量信号等に基づいてコント
ロールユニツトにより電気式燃料噴射器からの燃
料噴射量をエンジン状態に応じた最適量に制御す
る噴射量制御装置において、エンジン始動時に燃
料噴射量を電気式燃料噴射器からの洩れ等による
過給燃料量に応じて前記最適量よりも適宜減少さ
せる構成としたことを特徴とする電気式燃料噴射
器の噴射量制御装置。 An injection amount control device in which a control unit controls the fuel injection amount from an electric fuel injector to an optimum amount according to the engine condition based on an engine water temperature signal, a starter signal, an engine rotation speed signal, an intake air amount signal, etc. An injection amount control device for an electric fuel injector, characterized in that the fuel injection amount is appropriately reduced from the optimum amount in accordance with the amount of supercharged fuel due to leakage from the electric fuel injector, etc. when starting the engine. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004889U JPH02112947U (en) | 1989-02-22 | 1989-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004889U JPH02112947U (en) | 1989-02-22 | 1989-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02112947U true JPH02112947U (en) | 1990-09-10 |
Family
ID=31236097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004889U Pending JPH02112947U (en) | 1989-02-22 | 1989-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02112947U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037924A (en) * | 1973-08-09 | 1975-04-09 | ||
| JPS62288334A (en) * | 1986-06-04 | 1987-12-15 | Nissan Motor Co Ltd | Fuel correcting device at starting |
-
1989
- 1989-02-22 JP JP2004889U patent/JPH02112947U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037924A (en) * | 1973-08-09 | 1975-04-09 | ||
| JPS62288334A (en) * | 1986-06-04 | 1987-12-15 | Nissan Motor Co Ltd | Fuel correcting device at starting |
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