Device for adjusting ignition time for dual ignition internal co

Details Device for adjusting ignition time for dual ignition internal co Device for adjusting ignition time for dual ignition internal co

1974-11-14

1977-10-18

Dority, Jr., Carroll B.

Internal-combustion engines

Igniters

Incandescent

123117R, 1231465A, 315209SC, F02P 100

Patent

active

040541142

ABSTRACT:
An ignition system comprises first and second series supply circuits including an ignition coil having a primary winding and a set of breaker contacts serially connected to said primary winding of said ignition coil, said first and second sets of breaker contacts having different opening times. A thyristor is connected in at least one of the two circuits. A firing signal is applied to the thyristor in accordance with the mode of operation of an associated engine, to enable the conduction of said thyristor in a first ignition mode being effected by said first and second sets of breaker contacts and in a second ignition mode being effected by either one of said first and second sets of breaker contacts.

REFERENCES:
patent: 2367023 (1945-01-01), Horton
patent: 3213320 (1965-10-01), Worrell
patent: 3260251 (1966-07-01), Lange
patent: 3554092 (1971-01-01), Shibagaki
patent: 3809042 (1974-05-01), Hosho et al.

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