Internal-combustion engines – Igniters – Incandescent
Patent
1973-11-15
1976-02-17
Burns, Wendell E.
Internal-combustion engines
Igniters
Incandescent
123 809, 123148C, 123148E, 200 25, 200 27A, F02P 710, F02P 1502, F02B 5312
Patent
active
039384896
ABSTRACT:
An ignition system for a two-cylinder engine is provided which comprises two ignition signal generators, two ignition coils and two spark plugs for each of the cylinders. The first ignition signal generator controls the first ignition coil and two of the spark plugs are connected in series with the first ignition coil. The second ignition signal generator controls the second ignition coil. The second ignition coil is connected in series with the other two spark plugs. The first and second ignition signal generators operate independently of each other and generate their ignition signals at different time instants. And, of the two spark plugs provided for each cylinder, one is a main spark plug and the other is a combustion promoting spark plug. The main spark plugs are simultaneously controlled by the first ignition signal generator and either one of two combustion promoting spark plugs is controlled, with a time delay, by the second ignition signal generator.
REFERENCES:
patent: 1659773 (1928-02-01), Helle
patent: 2285107 (1942-06-01), Bohli
patent: 3250867 (1966-05-01), Short
patent: 3554092 (1971-01-01), Shibagaki
patent: 3716991 (1973-02-01), Tatsutomi et al.
patent: 3735739 (1973-05-01), Panhard
Argenbright Tony
Burns Wendell E.
Nippondenso Co. Ltd.
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