Multiple-spark ignition system for internal combustion engine

Details Multiple-spark ignition system for internal combustion engine Multiple-spark ignition system for internal combustion engine

2008-07-01

2008-07-01

Kwon, John T. (Department: 3747)

Internal-combustion engines

High tension ignition system

Additional spark energy supply

C123S627000, C123S637000

Reexamination Certificate

active

07392798

ABSTRACT:
An ignition system for an internal combustion engine includes an ignition coil, electric power supply circuit, a switching transistor, engine condition detecting element or unit that detects a signal relating to flow speed of air-fuel-mixture gas in the engine, and ignition control unit that controls the switching transistor to provide multiple ignition sparks in a predetermined ignition period. The ignition control unit controls the switching transistor to maintain each of the ignition sparks according to the signal relating to the flow speed of air-fuel-mixture gas in the engine to maintain sufficient spark energy for igniting the air-fuel mixture gas.

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patent: 6666195 (2003-12-01), Vogel et al.
patent: 7021286 (2006-04-01), Yoshino et al.
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patent: 7212909 (2007-05-01), Yoshino et al.
patent: 7222606 (2007-05-01), Yoshino et al.
patent: 2005/0183697 (2005-08-01), Yoshino et al.

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