Ignition coil control system
AssigneesHyundai Motor Company, Kia Corporation
InventorsKiseon Sim, Soo Hyung Woo
Life of this patent
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Abstract
An ignition coil control system includes a spark plug that generates a spark discharge between a center electrode and a ground electrode and two ignition coils that respectively apply a current to the spark plug. The two ignition coils respectively include a primary coil, a secondary coil, and a main switch that selectively connects the primary coil. An auxiliary switch may be connected in parallel to each of the primary coils.
Claims8
An ignition coil control system, comprising:
- a spark plug that generates a spark discharge between a center electrode and a ground electrode;
- and
- two ignition coils that respectively apply a current to the spark plug and respectively include a primary coil, a secondary coil, and a main switch that selectively connects the primary coil,
- wherein an auxiliary switch is connected in parallel to each of the primary coils.
A control method of an ignition coil control system that includes a spark plug that generates a spark discharge between a center electrode and a ground electrode and includes two ignition coils that respectively apply a current to the spark plug and respectively include a primary coil, a secondary coil, a main switch that selectively connects the primary coil, and an auxiliary switch that is connected in parallel to the primary coils, the method comprising:
- charging the primary coil by controlling the main switch;
- and
- controlling the auxiliary switch to temporarily stop discharge of the primary coil while the primary coil is being discharged.
Dependencies are inferred from the claim text.