JPS6477754A - Ignition device for internal combustion engine - Google Patents
Ignition device for internal combustion engineInfo
- Publication number
- JPS6477754A JPS6477754A JP23582187A JP23582187A JPS6477754A JP S6477754 A JPS6477754 A JP S6477754A JP 23582187 A JP23582187 A JP 23582187A JP 23582187 A JP23582187 A JP 23582187A JP S6477754 A JPS6477754 A JP S6477754A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- primary current
- ignition coil
- condenser
- 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)
Abstract
PURPOSE:To improve the reliability of a power transistor by applying a deviation signal corresponding to a specified value of a charging voltage of a condenser, charging or discharging of said condenser being controlled according to the supply condition of the primary current of the ignition coil, to a current limiting circuit to limit the primary current of the ignition coil. CONSTITUTION:An ignition signal generating circuit 1 is provided for outputting signals for on-off controlling an ignition coil 2 synchronously with an engine rpm. A power transistor 3 is controlled according to the ignition signal from said circuit 1 via a drive circuit 4, this causes the primary current of the ignition coil 2 to be turned on and off to produce a high voltage on the secondary side. Employing further a charge-discharge control circuit 6 for controlling charging or discharging a condenser 7 according to the ignition signal, a charge voltage is compared with a reference voltage and amplified in an amplifier circuit 8. From the time charge voltage reaching the reference voltage on, a deviation voltage is amplified and applied to a current limiting circuit 9. The primary current is limited so that the value of the primary current detected with a current detection circuit 5 becomes the reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23582187A JPS6477754A (en) | 1987-09-18 | 1987-09-18 | Ignition device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23582187A JPS6477754A (en) | 1987-09-18 | 1987-09-18 | Ignition device for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6477754A true JPS6477754A (en) | 1989-03-23 |
Family
ID=16991756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23582187A Pending JPS6477754A (en) | 1987-09-18 | 1987-09-18 | Ignition device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6477754A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370612A (en) * | 1992-04-03 | 1994-12-06 | Sharp Kabushiki Kaisha | Infusion apparatus capable of measuring a fluid delivery rate taking a dead band into account |
| JP2017207012A (en) * | 2016-05-19 | 2017-11-24 | 日立オートモティブシステムズ株式会社 | Ignition control device for internal combustion engine |
-
1987
- 1987-09-18 JP JP23582187A patent/JPS6477754A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370612A (en) * | 1992-04-03 | 1994-12-06 | Sharp Kabushiki Kaisha | Infusion apparatus capable of measuring a fluid delivery rate taking a dead band into account |
| JP2017207012A (en) * | 2016-05-19 | 2017-11-24 | 日立オートモティブシステムズ株式会社 | Ignition control device for internal combustion engine |
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