JPH0197060U - - Google Patents
Info
- Publication number
- JPH0197060U JPH0197060U JP19434487U JP19434487U JPH0197060U JP H0197060 U JPH0197060 U JP H0197060U JP 19434487 U JP19434487 U JP 19434487U JP 19434487 U JP19434487 U JP 19434487U JP H0197060 U JPH0197060 U JP H0197060U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- energization
- failure
- resistor
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は、本考案の実施例によるフエールセー
フ装置が適用されたエンジンの概略構成図、第２
図は、アイドルスピードコントロールバルブの制
御のフローチヤート図、及び第３図は、本考案の
実施例によるフエールセーフ装置の回路図、第４
図は、第３図の実施例によるフエールセーフ装置
のフローチヤート図、及び第５図は、本考案の他
の実施例によるフエールセーフ装置の回路図であ
る。
１０……エンジン、２０……吸気通路、２８…
…スロツトルバルブ、３０……エアバイパス通路
、３２……アイドルスピードコントロールバルブ
、３４……電子制御ユニツト、６２……ソレノイ
ド、６６……第１のトランジスタ、７２……第２
のトランジスタ、８２……抵抗、８４……検出端
子、８８……制御端子、９２……制御端子、９４
……抵抗。
FIG. 1 is a schematic configuration diagram of an engine to which a fail-safe device according to an embodiment of the present invention is applied, and FIG.
3 is a flowchart of the control of the idle speed control valve, FIG. 3 is a circuit diagram of a fail-safe device according to an embodiment of the present invention, and FIG.
3 is a flowchart of the fail-safe device according to the embodiment of the present invention, and FIG. 5 is a circuit diagram of the fail-safe device according to another embodiment of the present invention. 10...Engine, 20...Intake passage, 28...
... Throttle valve, 30 ... Air bypass passage, 32 ... Idle speed control valve, 34 ... Electronic control unit, 62 ... Solenoid, 66 ... First transistor, 72 ... Second
transistor, 82...resistor, 84...detection terminal, 88...control terminal, 92...control terminal, 94
……resistance.
Claims (1)
御装置において、 前記ソレノイドへの通電を制御する通電制御用
トランジスタには、抵抗が直列に接続され、該抵
抗間の電圧により故障を検出する故障検出手段が
設けられ、この故障検出手段は、故障を検出した
ときにソレノイドへの通電を遮断するように構成
されていることを特徴とするエンジンのフエール
セーフ装置。[Claims for Utility Model Registration] In a control device that controls the amount of intake air by energizing a solenoid, a resistor is connected in series to a energization control transistor that controls energization to the solenoid, and a voltage across the resistor is used to control the amount of intake air. A fail-safe device for an engine, characterized in that a failure detection means for detecting a failure is provided, and the failure detection means is configured to cut off energization to a solenoid when a failure is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19434487U JPH0197060U (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19434487U JPH0197060U (en) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197060U true JPH0197060U (en) | 1989-06-28 |
Family
ID=31485075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19434487U Pending JPH0197060U (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190073938A (en) * | 2017-12-19 | 2019-06-27 | 현대자동차주식회사 | Oil pressure switch, apparatus for diagnozing piston cooling oil jet, and method using the same |
-
1987
- 1987-12-22 JP JP19434487U patent/JPH0197060U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190073938A (en) * | 2017-12-19 | 2019-06-27 | 현대자동차주식회사 | Oil pressure switch, apparatus for diagnozing piston cooling oil jet, and method using the same |
| US11467062B2 (en) | 2017-12-19 | 2022-10-11 | Hyundai Motor Company | Oil pressure switch, apparatus for diagnosing piston cooling oil jet, and method of controlling the same |
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