JPS557958A - Ignition system for internal combustion engine - Google Patents
Ignition system for internal combustion engineInfo
- Publication number
- JPS557958A JPS557958A JP8070178A JP8070178A JPS557958A JP S557958 A JPS557958 A JP S557958A JP 8070178 A JP8070178 A JP 8070178A JP 8070178 A JP8070178 A JP 8070178A JP S557958 A JPS557958 A JP S557958A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- current
- control
- primary current
- 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
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
- F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
- F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
- F02P7/067—Electromagnetic pick-up devices, e.g. providing induced current in a coil
- F02P7/07—Hall-effect pick-up devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
PURPOSE:To adapt to change a signal genetating source to a more inexpensive signal generator to genearate square wave signals and to ensure efficient control of closing angle without using an AC generator. CONSTITUTION:The output of a signal generator 10 to generate square wave signal synchronized to the number of engine revolutions by the use of a Hall element and the like is input into a comparison circuit 200 through a wave-form computing circuit 100 for comparing the output of computed wave-form in the circuit 100 with a certain reference voltage. The output of the circuit 200 is sent to a drive circuit 300, whose output is used to control the base current of the last stage power transistor 5. The primary current in an ignition coil 4 is detected, and a current limiting circuit 400 to give fixed value constant-current control to the primary current is connected to the above-written transistor 5. To this circuit 400, a feedback circuit 500 is connected for generating the output to compensate the start timing to give the primary current to the ignition coil 4 according to the time of the constant- current control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8070178A JPS557958A (en) | 1978-07-03 | 1978-07-03 | Ignition system for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8070178A JPS557958A (en) | 1978-07-03 | 1978-07-03 | Ignition system for internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS557958A true JPS557958A (en) | 1980-01-21 |
Family
ID=13725623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8070178A Pending JPS557958A (en) | 1978-07-03 | 1978-07-03 | Ignition system for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS557958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6085257A (en) * | 1983-08-11 | 1985-05-14 | テレフンケン・エレクトロニク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Electronic ignition apparatus |
| US6837230B2 (en) * | 2002-07-22 | 2005-01-04 | Mitsubishi Denki Kabushiki Kaisha | Ignition device for an internal combustion engine |
-
1978
- 1978-07-03 JP JP8070178A patent/JPS557958A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6085257A (en) * | 1983-08-11 | 1985-05-14 | テレフンケン・エレクトロニク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Electronic ignition apparatus |
| US6837230B2 (en) * | 2002-07-22 | 2005-01-04 | Mitsubishi Denki Kabushiki Kaisha | Ignition device for an internal combustion engine |
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