GB1511264A - Ignition systems for internal combustion engines - Google Patents
Ignition systems for internal combustion enginesInfo
- Publication number
- GB1511264A GB1511264A GB1980775A GB1980775A GB1511264A GB 1511264 A GB1511264 A GB 1511264A GB 1980775 A GB1980775 A GB 1980775A GB 1980775 A GB1980775 A GB 1980775A GB 1511264 A GB1511264 A GB 1511264A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- pulse generator
- internal combustion
- ignition
- switching element
- 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.)
- Expired
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
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
- F02P3/055—Layout of circuits with protective means to prevent damage to the circuit, e.g. semiconductor devices or the ignition coil
- F02P3/0552—Opening or closing the primary coil circuit with semiconductor devices
- F02P3/0556—Protecting the coil when the engine is stopped
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
1511264 Ignition systems ROBERT BOSCH GmbH 12 May 1975 [15 Oct 1974] 19807/75 Heading F1B An ignition system for an internal combustion engine comprises an ignition coil 13 having a primary winding 13a, a contactless controllable switching element 14 for controlling current through the primary winding, a pulse generator 23 for generating triggering pulses and an electronic control switch 22 triggerable by the pulse generator to switch the switching element, the control electrode of the control switch 22 being connectable via a tapping of a voltage divider 27, 28 of the system to a D.C. voltage source 11, one branch of which voltage divider comprises the switching junction of an electronic time switch 29 whose control junction is connected to the pulse generator and to a resistance-capacitance network 30, 31. The primary current is switched off when the engine is stopped. The transistor 29 used as the electronic time switch may be replaced by a field effect transistor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742448915 DE2448915A1 (en) | 1974-10-15 | 1974-10-15 | IGNITION SYSTEM FOR COMBUSTION MACHINERY |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1511264A true GB1511264A (en) | 1978-05-17 |
Family
ID=5928273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1980775A Expired GB1511264A (en) | 1974-10-15 | 1975-05-12 | Ignition systems for internal combustion engines |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2448915A1 (en) |
FR (1) | FR2330874A1 (en) |
GB (1) | GB1511264A (en) |
IT (1) | IT1043333B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2705715C2 (en) * | 1977-02-11 | 1985-07-04 | Robert Bosch Gmbh, 7000 Stuttgart | Ignition system for internal combustion engines |
DE2759553C2 (en) * | 1977-02-11 | 1986-11-13 | Robert Bosch Gmbh, 7000 Stuttgart | Ignition system for internal combustion engines |
DE2747819A1 (en) * | 1977-10-25 | 1979-04-26 | Siemens Aag | PROCEDURE AND CIRCUIT ARRANGEMENT FOR CONTROLLING THE PRIMARY CURRENT IN COIL END SYSTEMS OF MOTOR VEHICLES |
DE3321500A1 (en) * | 1983-06-15 | 1984-12-20 | Walter 2300 Kiel Steinhof | Electrical ignition system for a spark-ignition internal combustion engine |
-
1974
- 1974-10-15 DE DE19742448915 patent/DE2448915A1/en not_active Ceased
-
1975
- 1975-05-12 GB GB1980775A patent/GB1511264A/en not_active Expired
- 1975-10-14 IT IT2824175A patent/IT1043333B/en active
- 1975-10-15 FR FR7531606A patent/FR2330874A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2330874A1 (en) | 1977-06-03 |
IT1043333B (en) | 1980-02-20 |
DE2448915A1 (en) | 1976-04-29 |
FR2330874B3 (en) | 1978-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |