JPS55128635A - Control circuit for controlling electromagnetic valve used for stopping operation of diesel engine - Google Patents
Control circuit for controlling electromagnetic valve used for stopping operation of diesel engineInfo
- Publication number
- JPS55128635A JPS55128635A JP3438679A JP3438679A JPS55128635A JP S55128635 A JPS55128635 A JP S55128635A JP 3438679 A JP3438679 A JP 3438679A JP 3438679 A JP3438679 A JP 3438679A JP S55128635 A JPS55128635 A JP S55128635A
- Authority
- JP
- Japan
- Prior art keywords
- engine
- stopping
- closed
- coil
- electromagnetic valve
- 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
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
PURPOSE: To prevent occurrence of accidental hazard, by stopping operation of engine positively, for instance, at the time when malfunctioning of a timing relay to the coil of an engine-stopping electromagnetic valve is caused, through employment of an arrangement that re-starting of engine is not permitted until engine speed becomes lower than a predetermined low speed.
CONSTITUTION: When diesel engine is started, low-speed relay contact 9 operated at a sufficiently low speed is closed, so that auxiliary relay coil 10 is excited. Resultantly, one auxiliary relay contact 11 is opened whereas the other auxiliry relay contact 12 is closed. In this state (in operation of engine), if lockout relay contact 1 is closed by reason of some trouble caused in the engine or otherwise engine-stopping switch contact 2 is closed by engine stopping operation, coil 5 of an engine stopping contactor is excited via contact 12 and contacts 6, 7 of the engine stopping contactor are closed simultaneously. As the result, fuel supply is stopped by engine-stopping electromagnetic valve 8 and a coil (5) exciting circuit is self-sustained, so that re-starting of engine is disabled.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3438679A JPS55128635A (en) | 1979-03-26 | 1979-03-26 | Control circuit for controlling electromagnetic valve used for stopping operation of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3438679A JPS55128635A (en) | 1979-03-26 | 1979-03-26 | Control circuit for controlling electromagnetic valve used for stopping operation of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55128635A true JPS55128635A (en) | 1980-10-04 |
Family
ID=12412722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3438679A Pending JPS55128635A (en) | 1979-03-26 | 1979-03-26 | Control circuit for controlling electromagnetic valve used for stopping operation of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55128635A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5879037U (en) * | 1981-11-26 | 1983-05-28 | 株式会社小松製作所 | Diesel engine stop device |
| JPH0383341U (en) * | 1989-12-14 | 1991-08-23 |
-
1979
- 1979-03-26 JP JP3438679A patent/JPS55128635A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5879037U (en) * | 1981-11-26 | 1983-05-28 | 株式会社小松製作所 | Diesel engine stop device |
| JPH0383341U (en) * | 1989-12-14 | 1991-08-23 |
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