US 12,406,802 B2
Ignition coil 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. 15, 2023, as Appl. No. 18/368,759.
Claims priority of application No. 10-2023-0089260 (KR), filed on Jul. 10, 2023.
Prior Publication US 2025/0022652 A1, Jan. 16, 2025
Int. Cl. H01F 38/12 (2006.01); H01T 15/00 (2006.01)
CPC H01F 38/12 (2013.01) [H01T 15/00 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An ignition coil system, comprising:
an ignition coil comprising a first primary coil, a second primary coil, and a secondary coil, the ignition coil being configured to generate a discharge current by electromagnetic induction with the first primary coil or the second primary coil;
a first battery selectively and electrically connected to the first primary coil;
a second battery selectively and electrically connected to the second primary coil;
a first battery switch positioned between the first primary coil and the first battery, the first battery switch being configured to selectively block electrical power supplied from the first battery to the first primary coil;
a second battery switch positioned between the second primary coil and the second battery, the second battery switch being configured to selectively block electrical power supplied from the second battery to the second primary coil;
a first switch configured to adjust charging and discharging of the first primary coil; and
a second switch configured to adjust charging and discharging of the second primary coil.