Distributorless ignition system for multi-cylinder internal comb

Details Distributorless ignition system for multi-cylinder internal comb Distributorless ignition system for multi-cylinder internal comb

1985-01-22

1985-12-03

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Electronic cylinder sequencing

123655, 123656, F02P 100

Patent

active

045560404

ABSTRACT:
To prevent malfunction due to misfire of a distributorless internal combustion engine (ICE), in which two spark plugs (20, 21; 27, 28) are connected to the same output terminals of the secondary (9) of an ignition coil through respectively reversely polarized diodes (18, 19; 25, 26), the polarity of the output spark pulse at the terminals (17, 24) of the ignition coil determining the identity of the spark plugs which have spark discharges occur thereacross due to the polarization of the serially connected diodes, additional diodes (22, 23; 29, 30) of the high-voltage type are connected in parallel across each of the spark plugs (20, 21; 27, 28) and polarized in reverse polarity with respect to the serially connected diodes, connected to the respective spark plugs, to thereby short-circuit current through the additional diode upon passage of energy by a serially connected diode in reverse direction due to malfunctioning, for example alloying-through or at least partial short-circuiting of the respective serially connected diode.

REFERENCES:
patent: 3910247 (1975-10-01), Hartig
patent: 4103659 (1978-08-01), Donigian
patent: 4203403 (1980-05-01), Fujii et al.
patent: 4411247 (1983-10-01), Kunita et al.
patent: 4463744 (1984-08-01), Tanaka et al.

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