JPS5587830A - Fuel pump control circuit - Google Patents
Fuel pump control circuitInfo
- Publication number
- JPS5587830A JPS5587830A JP16059678A JP16059678A JPS5587830A JP S5587830 A JPS5587830 A JP S5587830A JP 16059678 A JP16059678 A JP 16059678A JP 16059678 A JP16059678 A JP 16059678A JP S5587830 A JPS5587830 A JP S5587830A
- Authority
- JP
- Japan
- Prior art keywords
- fuel pump
- ignition switch
- stopped
- drive circuit
- engine
- 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
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
PURPOSE:To heighten a reliability and make the device at low cost, by providing a drive circuit for driving the fuel pump in accordance with an output signal of charge-discharge circuit, during the period of generating an ignition switch signal. CONSTITUTION:When stopped the engine due to a cause of accident or fault, that is, in the case when stopped the engine in a condition with the ignition switch turned on, the electric charge of a condenser C1 is discharged, and when the input to a drive circuit 7 becomes below a level of threshold, the drive circuit 7 comes to be off-state. This causes a fuel pump 5 to stop its operation. On the other hand, in the case with the engine in operation and the ignition switch turned off, the fuel pump 5 is stopped operation because a signal of the ignition switch is not applied to one end of the fuel pump 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16059678A JPS5587830A (en) | 1978-12-22 | 1978-12-22 | Fuel pump control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16059678A JPS5587830A (en) | 1978-12-22 | 1978-12-22 | Fuel pump control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5587830A true JPS5587830A (en) | 1980-07-03 |
Family
ID=15718359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16059678A Pending JPS5587830A (en) | 1978-12-22 | 1978-12-22 | Fuel pump control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5587830A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62103455A (en) * | 1985-10-30 | 1987-05-13 | Nippon Denso Co Ltd | Fuel pump drive control device |
JP2015048835A (en) * | 2013-09-04 | 2015-03-16 | トヨタ自動車株式会社 | Fuel supply control device |
-
1978
- 1978-12-22 JP JP16059678A patent/JPS5587830A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62103455A (en) * | 1985-10-30 | 1987-05-13 | Nippon Denso Co Ltd | Fuel pump drive control device |
JP2015048835A (en) * | 2013-09-04 | 2015-03-16 | トヨタ自動車株式会社 | Fuel supply control device |
CN105517829A (en) * | 2013-09-04 | 2016-04-20 | 丰田自动车株式会社 | Fuel supply controller |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |