JPS56107965A - Control device for preheating engine - Google Patents
Control device for preheating engineInfo
- Publication number
- JPS56107965A JPS56107965A JP978180A JP978180A JPS56107965A JP S56107965 A JPS56107965 A JP S56107965A JP 978180 A JP978180 A JP 978180A JP 978180 A JP978180 A JP 978180A JP S56107965 A JPS56107965 A JP S56107965A
- Authority
- JP
- Japan
- Prior art keywords
- glow plugs
- resistance
- preheating
- temperature
- power supply
- 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
- Ignition Installations For Internal Combustion Engines (AREA)
- Control Of Temperature (AREA)
Abstract
PURPOSE: To keep the temperature of glow plugs at a constant level by controlling the quantity of electric supply to the glow plugs by means of a signal generation circuit which generates an output at a certain voltage drop on both ends of a detection resistance and a delay circuit which generates an output after a lapse of delay time corresponding to the power supply voltage.
CONSTITUTION: A preheating control device is composed of glow plugs 8W11 constructed of heaters with a fixed resistance temperature coefficient, a temperature control relay 3 which makes a change-over between the first electric communication state to supply electricity to glow plugs 8W11 via a steady preheating resistance 5 and the second electric communication state to supply electricity as short-circuiting the steady preheating resistance 5, a detection resistance 7 on the way of the electric supply to glow plugs 8W11, a comparator 6 which issues an output signal when a certain voltage drop occurs on both ends of the detection resistance 7, and a delay circuit 12 which issues an output signal after a lapse of delay time determined in accordance with the power supply voltage on the basis of the above-said output signal. Consequently, two sorts of electric communication states can be changed over mutually at a period corresponding to the power supply voltage, and the temperature of glow plugs is maintained at a fixed level.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP978180A JPS56107965A (en) | 1980-01-30 | 1980-01-30 | Control device for preheating engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP978180A JPS56107965A (en) | 1980-01-30 | 1980-01-30 | Control device for preheating engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56107965A true JPS56107965A (en) | 1981-08-27 |
Family
ID=11729774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP978180A Pending JPS56107965A (en) | 1980-01-30 | 1980-01-30 | Control device for preheating engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56107965A (en) |
-
1980
- 1980-01-30 JP JP978180A patent/JPS56107965A/en active Pending
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