JPS6293167U - - Google Patents
Info
- Publication number
- JPS6293167U JPS6293167U JP18618685U JP18618685U JPS6293167U JP S6293167 U JPS6293167 U JP S6293167U JP 18618685 U JP18618685 U JP 18618685U JP 18618685 U JP18618685 U JP 18618685U JP S6293167 U JPS6293167 U JP S6293167U
- Authority
- JP
- Japan
- Prior art keywords
- injector
- abnormality
- determining
- timing
- drive signal
- 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
- 230000005856 abnormality Effects 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の基本概念図、第２、３図は本
考案の一実施例を示す図であり、第２図はその全
体構成図、第３図はその異常検出回路の詳細な回
路図である。
４……インジエクタ、１５……異常検出回路（
異常判定手段）、１６……警報ランプ（警報手段
）。
Figure 1 is a basic conceptual diagram of the present invention, Figures 2 and 3 are diagrams showing one embodiment of the present invention, Figure 2 is its overall configuration diagram, and Figure 3 is a detailed circuit diagram of its abnormality detection circuit. It is a diagram. 4... Injector, 15... Abnormality detection circuit (
abnormality determination means), 16... alarm lamp (alarm means).
Claims (1)
し、該パルス幅に対応する量の燃料を噴射するイ
ンジエクタと、 (b) 駆動信号のパルス変化タイミングとインジ
エクタの開弁あるいは閉弁タイミングとを比較し
てインジエクタの開弁あるいは閉弁の遅れ時間を
求め、この遅れ時間に基づいてインジエクタの異
常を判定する異常判定手段と、 (c) インジエクタの異常が判定されると警報を
発する警報手段と、 を備えたことを特徴とするインジエクタの異常判
定装置。[Claims for Utility Model Registration] (a) An injector that opens and closes in response to a drive signal having a predetermined pulse width and injects an amount of fuel corresponding to the pulse width; (b) The pulse change timing of the drive signal and the opening of the injector. an abnormality determining means for determining a delay time for opening or closing the injector by comparing the timing with the valve or valve closing timing, and determining an abnormality in the injector based on the delay time; (c) determining an abnormality in the injector; An injector abnormality determination device comprising: an alarm means for issuing an alarm; and an injector abnormality determination device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18618685U JPS6293167U (en) | 1985-12-02 | 1985-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18618685U JPS6293167U (en) | 1985-12-02 | 1985-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6293167U true JPS6293167U (en) | 1987-06-13 |
Family
ID=31135510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18618685U Pending JPS6293167U (en) | 1985-12-02 | 1985-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6293167U (en) |
-
1985
- 1985-12-02 JP JP18618685U patent/JPS6293167U/ja active Pending
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