Multi-spark type ignition system

Details Multi-spark type ignition system Multi-spark type ignition system

2006-09-05

2006-09-05

Kwon, John T. (Department: 3747)

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

C123S605000, C123S608000

Reexamination Certificate

active

07100589

ABSTRACT:
A multi-spark type ignition system for an internal combustion engine has a compact energy storage coil. The multi-spark type ignition system includes a energy storage coil, an energy storage capacitor, a first power transistor that switches on or off supply of electric energy from a battery and the electric energy from the energy storage coil to the energy storage capacitor, a second power transistor connected to the energy storage capacitor and to an ignition coil and an external resistor, connected between the energy storage coil and the first power transistor so as to bypass the energy storage capacitor. The second power transistor switches on or off the primary current. The external resistor limits current flowing through the first power transistor, thereby limiting temperature rise of the first power transistor.

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patent: 2002-221133 (2002-08-01), None

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