JPS5514931A - Ignition device for internal combustion engine with over-rotation preventing device - Google Patents
Ignition device for internal combustion engine with over-rotation preventing deviceInfo
- Publication number
- JPS5514931A JPS5514931A JP8713878A JP8713878A JPS5514931A JP S5514931 A JPS5514931 A JP S5514931A JP 8713878 A JP8713878 A JP 8713878A JP 8713878 A JP8713878 A JP 8713878A JP S5514931 A JPS5514931 A JP S5514931A
- Authority
- JP
- Japan
- Prior art keywords
- ignition
- over
- thetai
- revolution
- thyristor
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title 1
- 230000011664 signaling Effects 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
- F02P9/005—Control of spark intensity, intensifying, lengthening, suppression by weakening or suppression of sparks to limit the engine speed
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Ignition Timing (AREA)
Abstract
PURPOSE:To reduce rapidly engine output during over-revolution by connecting a signalling circuit to prevent over-revolution with three terminals, i.e. a connection between an excitor coil and diode, a gate of ignition thyristor and the other end of said coil. CONSTITUTION:When rotational speed of engine is raised to a set rotational frequency, triangular wave V13b having a higher wave height value of voltage produced across both ends of a capacitor 13 in a signalling circuit 9 for preventing over-revolution and corresponding to the wave height value of output voltage of an excitor coil 5 reaches zener voltage e2 across a zener diode 14 so that the zener diode 14 is broken down to give ignition signal to a thyristor 4. Hence the thyristor 4 is conductive in a phase position thetai, advancing an angle alpha from the normal ignition position thetai, at which position thetai' ignition occurs. By setting this advance angle alpha to a proper one can be reduced rapidly the engine output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8713878A JPS5514931A (en) | 1978-07-19 | 1978-07-19 | Ignition device for internal combustion engine with over-rotation preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8713878A JPS5514931A (en) | 1978-07-19 | 1978-07-19 | Ignition device for internal combustion engine with over-rotation preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5514931A true JPS5514931A (en) | 1980-02-01 |
| JPS6132501B2 JPS6132501B2 (en) | 1986-07-28 |
Family
ID=13906599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8713878A Granted JPS5514931A (en) | 1978-07-19 | 1978-07-19 | Ignition device for internal combustion engine with over-rotation preventing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5514931A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5958160A (en) * | 1982-09-27 | 1984-04-03 | Kawasaki Heavy Ind Ltd | Stopping device for rotation of spark-ignition type internal-combustion engine |
| JPS60188874U (en) * | 1984-05-25 | 1985-12-14 | 本田技研工業株式会社 | igniter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS464683A (en) * | 1970-04-09 | 1971-11-18 |
-
1978
- 1978-07-19 JP JP8713878A patent/JPS5514931A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS464683A (en) * | 1970-04-09 | 1971-11-18 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5958160A (en) * | 1982-09-27 | 1984-04-03 | Kawasaki Heavy Ind Ltd | Stopping device for rotation of spark-ignition type internal-combustion engine |
| JPS60188874U (en) * | 1984-05-25 | 1985-12-14 | 本田技研工業株式会社 | igniter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6132501B2 (en) | 1986-07-28 |
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