JPS61120051U - - Google Patents
Info
- Publication number
- JPS61120051U JPS61120051U JP376785U JP376785U JPS61120051U JP S61120051 U JPS61120051 U JP S61120051U JP 376785 U JP376785 U JP 376785U JP 376785 U JP376785 U JP 376785U JP S61120051 U JPS61120051 U JP S61120051U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- valve
- timer
- excitation coil
- 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
- 230000005284 excitation Effects 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 1
Description
第１図は本考案燃料噴射装置のシステム図、第
２図は第１実施例に係るインジエクタに対する電
気回路図、第３図はタイマー回路の電気回路図、
第４図はそれぞれインジエクタの動作を説明する
ためのタイミングチヤート、第５図は第２実施例
に係るインジエクタに対する電気回路図、第６図
はそれぞれインジエクタの動作を説明するための
タイミングチヤート、第７図は従来の電気回路図
、第８図は従来の問題点を説明するための説明図
である。
４…インジエクタ、６…制御用電気回路、１１
…低抵抗コイル、１２…高抵抗コイル、１４…タ
イマー回路、Ｃ…励磁コイル。
Fig. 1 is a system diagram of the fuel injection device of the present invention, Fig. 2 is an electric circuit diagram for the injector according to the first embodiment, Fig. 3 is an electric circuit diagram of the timer circuit,
4 is a timing chart for explaining the operation of the injector, FIG. 5 is an electric circuit diagram for the injector according to the second embodiment, FIG. 6 is a timing chart for explaining the operation of the injector, and FIG. 7 is a timing chart for explaining the operation of the injector. The figure is a conventional electric circuit diagram, and FIG. 8 is an explanatory diagram for explaining the problems of the conventional technique. 4... Injector, 6... Control electric circuit, 11
...Low resistance coil, 12...High resistance coil, 14...Timer circuit, C...Excitation coil.
Claims (1)
作動するインジエクタを備えた電磁式燃料噴射装
置において、前記インジエクタ中の励磁コイルを
低抵抗コイルと高抵抗コイルとから形成するとと
もに、前記開弁・閉弁信号の入力端子と励磁コイ
ルとの間には、前記開弁信号の入力によつて作動
しかつこの開弁信号のオン時間の範囲で動作時間
が設定されたタイマーと、前記励磁コイルに対し
タイマーの動作中には開弁用の大電流を流し、タ
イムアツプ後には開弁保持用の小電流が流れるよ
うに、前記両コイルに対する通電状況を切替える
ためのスイツチスグ回路とを介在してなることを
特徴とする電磁式燃料噴射装置。 In an electromagnetic fuel injection device equipped with an injector that is operated by a valve opening/closing signal from a control electric circuit, an excitation coil in the injector is formed of a low resistance coil and a high resistance coil, and the excitation coil is formed of a low resistance coil and a high resistance coil. Between the input terminal of the valve/valve closing signal and the excitation coil, there is provided a timer which is activated by the input of the valve opening signal and whose operating time is set within the on-time range of the valve opening signal, and the excitation coil. A switching circuit is interposed to change the energization status of both coils so that a large current for opening the valve is passed through the coil while the timer is operating, and a small current for keeping the valve open after the timer has expired. An electromagnetic fuel injection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP376785U JPS61120051U (en) | 1985-01-14 | 1985-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP376785U JPS61120051U (en) | 1985-01-14 | 1985-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61120051U true JPS61120051U (en) | 1986-07-29 |
Family
ID=30478705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP376785U Pending JPS61120051U (en) | 1985-01-14 | 1985-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120051U (en) |
-
1985
- 1985-01-14 JP JP376785U patent/JPS61120051U/ja active Pending
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