JPS555405A - Contactless ignition system - Google Patents
Contactless ignition systemInfo
- Publication number
- JPS555405A JPS555405A JP7534878A JP7534878A JPS555405A JP S555405 A JPS555405 A JP S555405A JP 7534878 A JP7534878 A JP 7534878A JP 7534878 A JP7534878 A JP 7534878A JP S555405 A JPS555405 A JP S555405A
- Authority
- JP
- Japan
- Prior art keywords
- rotational speed
- advancement
- negative pressure
- engine
- output
- 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 Ignition Timing (AREA)
Abstract
PURPOSE: To obtain an optimum advancement angle characteristic required for the engine, by means of electrically applying also a control action, likely as a negative pressure coming from a state of the engine, to an electronic advancement angle controller operated by a rotational speed of the engine.
CONSTITUTION: By the signals of a pulser 11, for detecting a crank angle after a completion a advancement, and of a pulser 12, for detecting one before advancement, is operated a flip flop 13. In an operation circuit 17 is processed an addition between output of an integrating circuit 14 and output of a bias voltage setting circuit 16 that makes a bias in accordance with the signal of negative pressure sensor 15. For a rotational speed below N2, a comparator 19 makes a comparison between a triangular wave voltage, proportional to the rotational speed by an integrating circuit 18, and output of the operation circuit 17, with an advancement angle characteristic obtained controlled by the rotational speed and the negative pressure. For a rotational speed above N2, an advancement angle characteristic with a control action included is obtained by a constant firing position control for a change of the rotational speed and a negative pressure.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7534878A JPS555405A (en) | 1978-06-23 | 1978-06-23 | Contactless ignition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7534878A JPS555405A (en) | 1978-06-23 | 1978-06-23 | Contactless ignition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS555405A true JPS555405A (en) | 1980-01-16 |
Family
ID=13573643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7534878A Pending JPS555405A (en) | 1978-06-23 | 1978-06-23 | Contactless ignition system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS555405A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5732060A (en) * | 1980-07-31 | 1982-02-20 | Kokusan Denki Co Ltd | Ignition timing controller for igniter in internal combustion engine |
| JPS57153965A (en) * | 1981-03-18 | 1982-09-22 | Hitachi Ltd | Electronic timing control device |
| JPS5847162A (en) * | 1981-09-16 | 1983-03-18 | Mitsubishi Electric Corp | Electronic control device for ignition timing |
| JPS5847161A (en) * | 1981-09-16 | 1983-03-18 | Mitsubishi Electric Corp | Electronic control device for ignition timing |
-
1978
- 1978-06-23 JP JP7534878A patent/JPS555405A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5732060A (en) * | 1980-07-31 | 1982-02-20 | Kokusan Denki Co Ltd | Ignition timing controller for igniter in internal combustion engine |
| JPS57153965A (en) * | 1981-03-18 | 1982-09-22 | Hitachi Ltd | Electronic timing control device |
| JPS5847162A (en) * | 1981-09-16 | 1983-03-18 | Mitsubishi Electric Corp | Electronic control device for ignition timing |
| JPS5847161A (en) * | 1981-09-16 | 1983-03-18 | Mitsubishi Electric Corp | Electronic control device for ignition timing |
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