Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1974-10-09
1976-08-17
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 809, F02P 900, F02P 300
Patent
active
039748057
ABSTRACT:
An ignition system for an internal combustion engine comprising a power supply, and an ignition circuit including an ignition coil having a primary coil portion connected to said power supply and a secondary coil portion connected to at least one ignition plug, said ignition plug disposed within an operating chamber of said engine and a contact breaker connected to said primary coil portion, said ignition system characterized by comprising means to override said ignition circuit and means to periodically effect the operation of said overriding means. Means to periodically effect the operation of said overriding means comprises a triggering signal generator to generate a triggering signal each time said contact breaker is operated, a frequency divider to divide said triggering signal from said triggering signal generator so as to produce a divided signal with the frequency of 1
times that of said triggering signal wherein n is 2 or 4, with said overriding means receiving said divided signal for its operation and means to allow the operation of said overriding means only when said engine requires to periodically fail to ignite said operating chamber.
REFERENCES:
patent: 3589344 (1971-06-01), Steinke
patent: 3669086 (1972-06-01), Beuk et al.
patent: 3738340 (1973-06-01), Olson
patent: 3757755 (1973-09-01), Carner
patent: 3762383 (1973-10-01), Richards et al.
patent: 3791356 (1974-02-01), Saita
patent: 3868928 (1975-03-01), Kishimoto
patent: 3898963 (1975-08-01), Iwata
Kondo Tetsuya
Watanabe Takeshi
Cox Ronald B.
Kokusan Denki Co. Ltd.
Myhre Charles J.
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