ES294426A1 - Transistorized ignition system for internal combustion engines - Google Patents
Transistorized ignition system for internal combustion enginesInfo
- Publication number
- ES294426A1 ES294426A1 ES0294426A ES294426A ES294426A1 ES 294426 A1 ES294426 A1 ES 294426A1 ES 0294426 A ES0294426 A ES 0294426A ES 294426 A ES294426 A ES 294426A ES 294426 A1 ES294426 A1 ES 294426A1
- Authority
- ES
- Spain
- Prior art keywords
- transistor
- spark
- circuit
- engine
- windings
- 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
- F02P3/01—Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator
-
- 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
Abstract
Spark ignition apparatus for an internal combustion engine comprises a spark generating circuit for supplying spark-generating pulses to the plugs of the engine in turn a trigger circuit coupled to the spark generating circuit and serving to permit the spark generating circuit to produce a single spark producing pulse each time the trigger circuit is biased by an input, a fixed frequency oscillator providing the biasing input to the trigger circuit and magnetic means driven by the engine for preventing the oscillator from providing the biasing input except when a spark is required. Referring to Figs. 1 to 3, when one of the slots 52 appears between the windings 25, 28 the circuit including the transformer 24 the resistor 29, capacitor 31 and transistor 26 oscillates in known manner to produce an A. C. voltage across the resistor 27. The first effect of this voltage will be to render the transistor 35 conductive. When the transistor 35 conducts current flowing through the resistor 38 can flow through the diode 37 and the collector and emitter of the transistor 35 so that the transistor 42 is cut off. Cutting off the transistor 42 causes a high voltage to be developed in the secondary winding 46 of the ignition transformer and a spark is applied to one of the plugs 48. The transformer 32 causes the current in the transistor 35 to build up by regenerative action until saturation is reached at which point the transistor 35 is switched off and the transistor 42 is switched on again. If the transistor 26 and its associated components are still oscillating a further spark will be produced. Thus at speeds below a predetermined value more than one spark will be applied to each plug. Timing may be controlled by a centrifugal advance mechanism and by a known mechanism which is responsive to the pressure in the air inlet of the engine. If desired the air gap may be of such a size that oscillations are prevented from occurring. In this case, as shown in Fig. 6, the core 49 may be U-shaped and the disc 51 is replaced by a spindle including four magnetic arms 72 which permit oscillations when they pass over the limbs on which the windings 25, 28 are wound. In another modification the windings 25, 28 are wound on the same limb of the core so that they oscillate at all times. However the fixed frequency oscillator is coupled to the remainder of the circuit only when required. Other modifications are described.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB45985/62A GB1077061A (en) | 1962-12-05 | 1962-12-05 | Spark ignition apparatus for internal combustion engines |
Publications (1)
Publication Number | Publication Date |
---|---|
ES294426A1 true ES294426A1 (en) | 1964-03-16 |
Family
ID=10439363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0294426A Expired ES294426A1 (en) | 1962-12-05 | 1963-12-05 | Transistorized ignition system for internal combustion engines |
Country Status (3)
Country | Link |
---|---|
US (1) | US3277340A (en) |
ES (1) | ES294426A1 (en) |
GB (1) | GB1077061A (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL145322B (en) * | 1963-07-04 | 1975-03-17 | Philips Nv | IGNITION DEVICE FOR COMBUSTION ENGINE. |
US3342167A (en) * | 1965-07-16 | 1967-09-19 | Gen Motors Corp | Voltage pulse generator controlled solid state ignition system |
US3395685A (en) * | 1966-02-11 | 1968-08-06 | Brunswick Corp | Electrical pulse source |
GB1160991A (en) * | 1966-02-16 | 1969-08-13 | Lucas Industries Ltd | Spark Ignition Apparatus for Internal Combustion Engines |
US3502955A (en) * | 1966-11-03 | 1970-03-24 | Brunswick Corp | Pulse forming circuit and capacitor discharge ignition systems therewith |
US3424142A (en) * | 1966-11-09 | 1969-01-28 | Ford Motor Co | Oscillator controlled electronic ignition system |
SE364341B (en) * | 1968-02-29 | 1974-02-18 | Consiglio Nazionale Ricerche | |
US3552367A (en) * | 1968-06-17 | 1971-01-05 | Holley Carburetor Co | Structure for and method of electronic signal switching |
US3599617A (en) * | 1969-07-08 | 1971-08-17 | Glenn B Warren | Multiple spark system of ignition |
US3573545A (en) * | 1969-08-22 | 1971-04-06 | Motorola Inc | Capacitor discharge ignition system having circuit means for controlling the spark advance |
US3620201A (en) * | 1969-10-07 | 1971-11-16 | Glenn B Warren | Solid state multispark ignition system |
US3636936A (en) * | 1970-01-09 | 1972-01-25 | Motorola Inc | Auxiliary spark starting circuit for ignition systems |
US3718125A (en) * | 1971-04-05 | 1973-02-27 | T Posey | Capacitor discharge ignition system |
US3837325A (en) * | 1971-09-17 | 1974-09-24 | F Minks | Pulse generator for energy discharge system |
US4185602A (en) * | 1972-04-16 | 1980-01-29 | Minks Floyd A | Pulse generator for energy discharge system |
US4037577A (en) * | 1974-07-08 | 1977-07-26 | Gallo Michael R | Auto ignition system |
DE2619556A1 (en) * | 1976-05-04 | 1977-11-24 | Bosch Gmbh Robert | IGNITION SYSTEM, IN PARTICULAR FOR COMBUSTION MACHINERY |
JPS5395442A (en) * | 1977-02-02 | 1978-08-21 | Hitachi Ltd | Fitting structure for non-contact igniter |
FR2445511A1 (en) * | 1978-12-28 | 1980-07-25 | Thomson Csf | Piston position sensor for IC engine - uses leakage inductance damping in free-running oscillator within rotor and with output fed to level comparator |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2910622A (en) * | 1959-10-27 | Ignition system | ||
US2940013A (en) * | 1960-06-07 | Ignition system | ||
US2953719A (en) * | 1956-07-04 | 1960-09-20 | Weselco Ltd | Electronic ignition system for internal combustion engines |
US2898392A (en) * | 1957-08-19 | 1959-08-04 | Eaton Mfg Co | Ignition systems |
US3060346A (en) * | 1959-07-11 | 1962-10-23 | Bosch Gmbh Robert | Electronic ignition control system for internal combustion engines |
GB928292A (en) * | 1959-11-23 | 1963-06-12 | Globe Union Inc | Oscillator ignition system |
US3175123A (en) * | 1960-12-08 | 1965-03-23 | Globe Union Inc | Oscillator ignition system |
US3161803A (en) * | 1961-11-02 | 1964-12-15 | Walter F Knittweis | Ignition system for internal combustion engine |
US3219877A (en) * | 1962-04-05 | 1965-11-23 | Gen Motors Corp | Controlled rectifier ignition system |
US3152281A (en) * | 1962-06-25 | 1964-10-06 | Gen Motors Corp | Transistor ignition system |
-
1962
- 1962-12-05 GB GB45985/62A patent/GB1077061A/en not_active Expired
-
1963
- 1963-12-03 US US327661A patent/US3277340A/en not_active Expired - Lifetime
- 1963-12-05 ES ES0294426A patent/ES294426A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3277340A (en) | 1966-10-04 |
GB1077061A (en) | 1967-07-26 |
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