US 12,080,998 B2
Ignition coil control system
Kiseon Sim, Suwon-si (KR); and Soo Hyung Woo, Seoul (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed on Sep. 26, 2022, as Appl. No. 17/952,862.
Claims priority of application No. 10-2021-0132062 (KR), filed on Oct. 6, 2021; and application No. 10-2022-0091866 (KR), filed on Jul. 25, 2022.
Prior Publication US 2023/0109264 A1, Apr. 6, 2023
Int. Cl. H01T 15/00 (2006.01)
CPC H01T 15/00 (2013.01) 8 Claims
OG exemplary drawing
 
1. 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.