JPS5949739U - Electronically controlled fuel injection system for internal combustion engines - Google Patents
Electronically controlled fuel injection system for internal combustion enginesInfo
- Publication number
- JPS5949739U JPS5949739U JP14337782U JP14337782U JPS5949739U JP S5949739 U JPS5949739 U JP S5949739U JP 14337782 U JP14337782 U JP 14337782U JP 14337782 U JP14337782 U JP 14337782U JP S5949739 U JPS5949739 U JP S5949739U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- pulse width
- internal combustion
- electronically controlled
- controlled fuel
- 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
Landscapes
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は燃料噴射弁の従来例を示す断面図、第２図は燃
料噴射弁におけるパルス巾−流量特性を示す線図、第３
図は出力パルスとリフト量との関係を示すタイムチャー
ト、第４図は本考案の一実施例を示すブロック図、第５
図はパルス巾−流量特性から補正パルス巾の算出法を示
す線図である。
１４・・・演算回路、１５・・・比較回路、１６・・・
補正回路。Fig. 1 is a sectional view showing a conventional example of a fuel injection valve, Fig. 2 is a diagram showing the pulse width-flow rate characteristic in the fuel injection valve, and Fig. 3 is a diagram showing the pulse width-flow rate characteristic of the fuel injection valve.
The figure is a time chart showing the relationship between output pulses and lift amount, Figure 4 is a block diagram showing an embodiment of the present invention, and Figure 5 is a time chart showing the relationship between output pulses and lift amount.
The figure is a diagram showing a method of calculating the corrected pulse width from the pulse width-flow rate characteristic. 14... Arithmetic circuit, 15... Comparison circuit, 16...
correction circuit.
Claims (1)
、このパルス巾をもつ出力パルスを出力して燃料噴射弁
を駆動するようにした内燃機関の電子制御燃料噴射装置
において、燃料噴射弁におけるパルス巾−流量特性が要
求特性から外れて非線形となる領域において、演算され
るパルス巾と、要求特性を得るために補正されたパルス
巾とを対応して記憶しており、演算されたパルス巾から
対応する補正されたパルス巾を読取って、この補正され
たパルス巾をもつ出力パルスを出力する補正回路を設け
たことを特徴とする内燃機関の電子制御燃料噴射装置。In an electronically controlled fuel injection system for an internal combustion engine that calculates a pulp width corresponding to the fuel injection amount from the intake air amount and outputs an output pulse having this pulse width to drive the fuel injection valve, In a region where the pulse width-flow rate characteristics deviate from the required characteristics and become non-linear, the calculated pulse width and the pulse width corrected to obtain the required characteristics are stored in correspondence, and the calculated pulse width 1. An electronically controlled fuel injection device for an internal combustion engine, comprising a correction circuit configured to read a corresponding corrected pulse width from the input signal and output an output pulse having the corrected pulse width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14337782U JPS5949739U (en) | 1982-09-24 | 1982-09-24 | Electronically controlled fuel injection system for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14337782U JPS5949739U (en) | 1982-09-24 | 1982-09-24 | Electronically controlled fuel injection system for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5949739U true JPS5949739U (en) | 1984-04-02 |
Family
ID=30320050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14337782U Pending JPS5949739U (en) | 1982-09-24 | 1982-09-24 | Electronically controlled fuel injection system for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5949739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6388237A (en) * | 1986-10-02 | 1988-04-19 | Japan Electronic Control Syst Co Ltd | Electronically controlled fuel injection device for internal combustion engine |
| US9719458B2 (en) | 2013-09-09 | 2017-08-01 | Nissan Motor Co., Ltd. | Fuel injection control device of engine and fuel injection control method of engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51102722A (en) * | 1975-03-07 | 1976-09-10 | Nissan Motor | |
| JPS5453718A (en) * | 1977-10-07 | 1979-04-27 | Nissan Motor Co Ltd | Internal combustion engine fuel supply system |
-
1982
- 1982-09-24 JP JP14337782U patent/JPS5949739U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51102722A (en) * | 1975-03-07 | 1976-09-10 | Nissan Motor | |
| JPS5453718A (en) * | 1977-10-07 | 1979-04-27 | Nissan Motor Co Ltd | Internal combustion engine fuel supply system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6388237A (en) * | 1986-10-02 | 1988-04-19 | Japan Electronic Control Syst Co Ltd | Electronically controlled fuel injection device for internal combustion engine |
| US9719458B2 (en) | 2013-09-09 | 2017-08-01 | Nissan Motor Co., Ltd. | Fuel injection control device of engine and fuel injection control method of engine |
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