Claims
- 1. For an internal combustion engine having a rotor with magnetic field means for providing a rotating magnetic field and a conventional ignition system including a first stator with at least a first stator leg cooperative with said rotating magnetic field for providing high voltage ignition pulses for said engine, said engine further having existing mounting means thereon for securing said first stator of said conventional ignition system to said engine with said first stator leg in a first predetermined position relative to the rotor and hence to said rotating magnetic field to provide first ignition timing for said engine for providing the desired ignition timing for the engine, said first ignition timing determined by said first predetermined position, a substitute capacitive discharge ignition system comprising:
- a second stator,
- an ignition coil mounted on said second stator and adapted to provide high voltage ignition pulses for said engine;
- capacitive discharge circuit means including a capacitor adapted to be discharged into said ignition coil for providing high energy ignition pulses; and
- said second stator having at least one leg adapted to cooperate with said rotating magnetic field to cause discharge of said capacitor into said ignition coil and having selected mounting means adapted to cooperate with said existing mounting means of said engine for securing said second stator with said one leg in a second predetermined position relative to said rotating magnetic field, said second predetermined position being displaced relative to said first predetermined position in accordance with the difference of said first ignition timing of said conventional ignition system and a second ignition timing of said capacitive discharge ignition system, said second ignition timing being determined by said second predetermined position relative to the rotor and said rotating magnetic field whereby said desired ignition timing of said engine is substantially maintained.
- 2. A substitute capacitive discharge ignition system as set forth in claim 1 wherein said ignition coil comprises a primary ignition coil winding and a secondary ignition coil winding disposed over said primary winding.
- 3. A substitute capacitive discharge ignition system as set forth in claim 2 wherein said capacitive discharge circuit means discharges into said primary ignition coil, said primary ignition coil inducing said high energy ignition pulses in said secondary coil.
- 4. A substitute capacitive discharge ignition system as set forth in claim 1 further comprising an auxiliary coil, said auxiliary coil being adapted to cooperate with said rotating magnetic field to charge said capacitor.
- 5. A substitute capacitive discharge ignition system as set forth in claim 1 wherein said capacitive discharge circuit means is further adapted to cooperate with said ignition coil to charge said capacitor.
- 6. A substitute capacitive discharge ignition system as set forth in claim 1 wherein said one leg of said second stator is further adapted to cooperate with said rotating magnetic field to cause said ignition coil to charge said capacitor.
- 7. For an internal combustion engine having a rotor with magnetic field means for providing a rotating magnetic field and a conventional ignition system including a first stator with at least one stator leg cooperative with said rotating magnetic field for providing high voltage ignition pulses for said engine, said engine further having existing mounting means thereon for securing said first stator of said conventional ignition system to said engine with said one stator leg in a first predetermined position relative to the rotor and hence to said rotating magnetic field to provide first ignition timing for said engine for providing the desired ignition timing for the engine, said first ignition timing determined by said first predetermined position, a substitute capacitive discharge ignition system comprising:
- a second stator,
- an ignition coil mounted on said second stator and adapted to provide high voltage ignition pulses for said engine;
- capacitive discharge circuit means including a capacitor adapted to be discharged into said ignition coil for providing high energy ignition pulses;
- said second stator having a first leg on which is disposed said ignition coil, said first leg being adapted to cooperate with said rotating magnetic field to cause discharge of said capacitor into said ignition coil; and
- said second stator further having a second leg, said second leg having at least one aperture therethrough adapted to cooperate with said existing mounting means of said engine for securing said second stator with said first leg in a second predetermined position relative to said rotating magnetic field, said second predetermined position being displaced relative to said first predetermined position in accordance with the difference of said first ignition timing of said conventional ignition system and a second ignition timing of said capacitive discharge ignition system, said second ignition timing being determined by said second predetermined position relative to the rotor and said rotating magnetic field whereby said desired ignition timing of said engine is maintained.
- 8. A substitute capacitive discharge ignition system as set forth in claim 7 wherein said first leg is further adapted to cooperate with said rotating magnetic field to charge said capacitor.
- 9. A substitute capacitive discharge ignition system as set forth in claim 8 wherein said ignition coil comprises a primary winding and a secondary winding disposed over said primary winding.
- 10. A substitute capacitive discharge ignition system as set forth in claim 9 wherein said capacitive discharge circuit means is adapted to discharge said capacitor into said primary ignition coil winding, said primary ignition coil winding inducing said high energy ignition pulses in said secondary winding.
- 11. A substitute capacitive discharge ignition system as set forth in claim 9 wherein said ignition coil further comprises an auxiliary coil which is adapted to cooperate with said rotating magnetic field to charge said capacitor.
- 12. A substitute capacitive discharge ignition system as set forth in claim 11 wherein said auxiliary coil is disposed on said first leg adjacent but spaced apart from said primary and said secondary ignition coils.
- 13. A substitute capacitive discharge ignition system as set forth in claim 7 wherein said second stator further comprises an interconnecting member extending between said first and second legs, said interconnecting member having an elongated aperture therethrough adapted to cooperate with said existing mounting means of said engine for securing said second stator with said first leg in said second predetermined position relative to said rotating magnetic field.
- 14. A substitute capacitive discharge ignition system as set forth in claim 7 wherein said stator structure further comprises a third leg having an elongated aperture therethrough adapted to cooperate with said existing mounting means of said engine.
- 15. A substitute capacitive discharge ignition system as set forth in claim 7 wherein said second leg includes a second elongated aperture spaced apart from said one elongated aperture, said second elongated aperture also being adapted to cooperate with said existing mounting means of said engine.
- 16. For an internal combustion engine having a rotor with magnetic field means for providing a rotating magnetic field and a conventional ignition system including a first stator with at least a first stator leg cooperative with said rotating magnetic field for providing high voltage ignition pulses for said engine, said engine further having existing mounting means thereon for securing said first stator of said conventional ignition system to said engine with said first stator leg in a first predetermined position relative to the rotor and hence to said rotating magnetic field to provide first ignition timing for said engine for providing the desired ignition timing for the engine, said first ignition timing determined by said first predetermined position, a substitute capacitive discharge ignition system comprising:
- a second stator,
- a primary ignition coil mounted on said second stator;
- a secondary ignition coil mounted on said second stator concentrically and generally coextensively with said primary ignition coil;
- an auxiliary coil mounted on said second stator adjacent said primary and said secondary ignition coils;
- capacitive discharge circuit means including a capacitor adapted to be discharged into said primary ignition coil thereby including a high energy ignition pulse in said secondary coil;
- said auxiliary coil being adapted to cooperate with said capacitive discharge circuit means for charging said capacitor in response to said rotating magnetic field; and
- said second stator having at least one leg adapted to cooperate with said rotating magnetic field to cause discharge of said capacitor into said primary ignition coil and having selected mounting means adapted to cooperate with said existing mounting means of said engine for securing said second stator with said one leg in a second predetermined position relative to said rotating magnetic field, said second predetermined position being displaced relative to said first predetermined position in accordance with the difference of said first ignition timing of said conventional ignition system and a second ignition timing of said capacitive discharge ignition system, said second ignition timing being determined by said second predetermined position relative to the rotor and said rotating magnetic field whereby said desired ignition timing of said engine is substantially maintained.
- 17. A substitute capacitive discharge ignition system as set forth in claim 16 wherein said auxiliary coil, said primary ignition coil and said secondary ignition coil are disposed on said one leg of said second stator.
- 18. A substitute capacitive discharge ignition system as set forth in claim 17 wherein said auxiliary coil is spaced apart from said primary and secondary ignition coils.
- 19. A substitute capacitive discharge ignition system as set forth in claim 16 wherein said one leg has an end adjacent said rotating magnetic field, said primary and said secondary ignition coil being disposed on said one leg, said auxiliary coil being disposed on said one leg between said primary and secondary ignition coils and said rotating magnetic field.
- 20. A substitute capacitive discharge ignition system as set forth in claim 16 wherein said primary and said secondary ignition coils and said auxiliary coil are all wound counterclockwise, the finish ends of each of said primary and secondary ignition coils and said auxiliary coil being interconnected.
- 21. A substitute capacitive discharge ignition system as set forth in claim 16 wherein said primary ignition coil and said auxiliary coil are wound counterclockwise, said secondary ignition coil is wound clockwise and the starting ends of said primary ignition coil and said auxiliary coil are interconnected with the finish end of said secondary ignition coils.
- 22. For an internal combustion engine having a rotor with magnetic field means for providing a rotating magnetic field and a conventional ignition system including a first stator with at least a first stator leg cooperative with said rotating magnetic field for providing high voltage ignition pulses for said engine, said engine further having existing mounting means thereon for securing said conventional ignition system to said engine with said first stator leg in a first predetermined position relative to said rotating magnetic field, said rotating magnetic field being in a first predetermined position relative to a shaft on which said rotating magnetic field is disposed to provide first ignition timing for said engine for providing the desired ignition timing for the engine, a substitute capacitive discharge ignition system comprising:
- a second stator,
- an ignition coil mounted on said second stator and adapted to provide high voltage ignition pulses for said engine;
- capacitive discharge circuit means including a capacitor adapted to be discharged into said ignition coil for providing high energy ignition pulses;
- said second stator having at least one leg adapted to cooperate with said rotating magnetic field to cause discharge of said capacitor into said ignition coil and having selected mounting means adapted to cooperate with said existing mounting means of said engine for securing said second stator structure, said one leg being adapted to vary the position of said rotating magnetic field at which said capacitor discharges into said ignition coil in response to the speed of said engine; and
- positioning means to position said second stator to a second predetermined position relative to said shaft and hence to said rotating magnetic field, said second predetermined position being displaced relative to said first predetermined position in accordance with the difference of said first ignition timing of said conventional ignition system and a second ignition timing of said capacitive discharge ignition system, said second ignition timing being determined by said second predetermined position relative to said shaft and hence to said rotating magnetic field whereby said desired ignition timing of said engine is substantially maintained.
- 23. A substitute capacitive discharge ignition system as set forth in claim 22 wherein said one leg has a first segment of a predetermined length disposed at one end, said one leg further having a second segment disposed at said one end, said second segment being spaced apart from said first segment and of a length less than said predetermined length.
- 24. A substitute capacitive discharge ignition system as set forth in claim 23 wherein said first segment communicates with said rotating magnetic field before said second segment.
- 25. A substitute capacitive discharge ignition system as set forth in claim 22 with said positioning means comprising a disc having an aperture therein, a first protrusion extending axially from said aperture circumference, a second protrusion extending axially from said aperture circumference and angularly displaced from said first protrusion, said first and said second protrusion being adapted to engage respective slots on said shaft whereby said rotating magnetic field is displaced towards said second predetermined position relative to said shaft.
CROSS REFERENCE TO RELATED APPLICATION
This application is a division of application Ser. No. 888,557, filed Mar. 20, 1978, which application is a continuation of U.S. patent application Ser. No. 660,122 filed Feb. 23, 1976, now abandoned and which in turn is a continuation-in-part of Ser. No. 460,271 filed Apr. 12, 1974, now issued as U.S. Pat. No. 4,056,088 on Nov. 1, 1977, said application Ser. No. 460,271 having been copending with application Ser. No. 660,122.
US Referenced Citations (7)
Divisions (1)
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Parent |
888557 |
Mar 1978 |
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Continuation in Parts (1)
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460271 |
Apr 1974 |
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