公开(公告)号：US11781517B2

公开(公告)日：2023-10-10

申请号：US17843429

申请日：2022-06-17

Applicant: Hyundai Motor Company ,  Kia Corporation

Inventor： Kiseon Sim ,  Soo Hyung Woo

IPC: F02P17/12 ,  G01R19/165

CPC classification number: F02P17/12 ,  G01R19/16533

Abstract: An electrode wear amount predicting system of a spark plug, includes: at least one ignition coil that includes a primary coil and a secondary coil; a spark plug that generates a spark discharge by a discharge current generated by the ignition coil and includes a center electrode and a ground electrode; a sensing portion measuring a current applied to the primary coil; and a controller that determines a wear state of the center electrode and the ground electrode according to an amount of the current applied to the primary coil detected by the sensing portion when an electrode wear amount predicting condition is satisfied.

公开(公告)号：US20230055431A1

公开(公告)日：2023-02-23

申请号：US17842224

申请日：2022-06-16

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Kiseon Sim ,  Soo Hyung Woo

IPC: H01T13/46

Abstract: A spark plug includes a metal body member formed of a metal material, an insulating body member provided inside the metal body member and formed of an insulating material, a pair of central electrodes provided inside the insulating body member and having different polarities, and a ground electrode extending from the metal body member between a pair of central electrodes.

公开(公告)号：US20220285921A1

公开(公告)日：2022-09-08

申请号：US17519189

申请日：2021-11-04

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Kiseon Sim ,  Dongwon Jung ,  Won Gyu Kim ,  Jin Oh Song ,  Soo Hyung Woo

IPC: H01T15/00

Abstract: An ignition coil control system according to an exemplary embodiment of the present disclosure may include a first ignition coil, a second ignition coil, a spark plug generating spark discharge by a discharge current generated in the first ignition coil and the second ignition coil, and an ignition controller that controls spark discharge of the spark plug by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil, and changing a sequence of charging and discharging of the first ignition coil and the second ignition coil based on a pulse signal transmitted from an engine control unit (ECU).

公开(公告)号：US20250022652A1

公开(公告)日：2025-01-16

申请号：US18368759

申请日：2023-09-15

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Kiseon Sim ,  Soo Hyung Woo

IPC: H01F38/12

Abstract: An ignition coil system includes an ignition coil including a first primary coil, a second primary coil, and a secondary coil, and configured to generate a discharge current by electromagnetic induction with the first primary coil or the second primary coil, a first battery electrically connected to the first primary coil, a second battery electrically connected to the second primary coil, a first battery switch provided between the first primary coil and the first battery, and configured to block electrical power supplied from the first battery to the first primary coil, a second battery switch provided between the second primary coil and the second battery, and configured to 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.

公开(公告)号：US12080998B2

公开(公告)日：2024-09-03

申请号：US17952862

申请日：2022-09-26

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Kiseon Sim ,  Soo Hyung Woo

IPC: H01T15/00

CPC classification number: H01T15/00

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.

公开(公告)号：US20230070763A1

公开(公告)日：2023-03-09

申请号：US17838563

申请日：2022-06-13

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Soo Hyung Woo ,  Kiseon Sim ,  Won Gyu Kim

IPC: H01F38/12 ,  F02P5/15 ,  F02P3/05

Abstract: A multi-ignition coil control system includes a spark plug including first and second center electrodes, and first and second ground electrodes spaced apart from the center electrodes by a predetermined distance, a first ignition coil including a primary coil, and a secondary coil in which a discharge current is generated by electromagnetic induction with the primary coil, and a second ignition coil including a primary coil, and a secondary coil in which a discharge current is generated by electromagnetic induction with the primary coil, wherein one end of the secondary coil of the first ignition coil and one end of the secondary coil of the second ignition coil are electrically connected to one of the center electrodes, and the other end of the secondary coil of the first ignition coil and the other end of the secondary coil of the second ignition coil are electrically connected to the other of the center electrodes.

公开(公告)号：US20230035555A1

公开(公告)日：2023-02-02

申请号：US17844428

申请日：2022-06-20

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Kiseon Sim

IPC: F02P3/045 ,  H01F38/12 ,  H03K3/017

Abstract: An ignition coil control system includes: a plurality of ignition coils that respectively include a primary coil and a secondary coil; a spark plug that generates a spark discharge by a discharge current generated by the plurality of ignition coils and that includes a center electrode and a ground electrode; a sensing part measuring a current applied to the primary coil; and an ignition controller that adjusts a reference duty signal based on an amount of the current applied to the primary coil sensed by the sensing part to adjust discharge energy generated between the center electrode and the ground electrode through the secondary coil.

公开(公告)号：US12031514B2

公开(公告)日：2024-07-09

申请号：US18332423

申请日：2023-06-09

Applicant: Hyundai Motor Company ,  Kia Corporation

Inventor： Kiseon Sim ,  Soo Hyung Woo

IPC: F02P3/05

CPC classification number: F02P3/053

Abstract: An ignition apparatus of an engine includes a spark plug disposed in a combustion chamber, and configured to generate a spark discharge between a center electrode and a ground electrode, a plurality of ignition coils each applying a current to the spark plug and including a primary coil, a secondary coil, a main switch, and an auxiliary switch, and a controller selectively performing a multi-stage ignition through a first ignition coil and a second ignition coil or a single-stage ignition through one ignition coil among the first ignition coil and the second ignition coil, adjusting a charging speed, a number of discharges, and a discharge maintaining period of the ignition coil depending on a driving point of the engine, and adjusting the charging speed of the ignition coil and a target air/fuel ratio for performing a lean combustion, based on a state of charge of a battery.

公开(公告)号：US11784466B2

公开(公告)日：2023-10-10

申请号：US17838563

申请日：2022-06-13

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Soo Hyung Woo ,  Kiseon Sim ,  Won Gyu Kim

IPC: H01T13/46 ,  H01F38/12 ,  F02P3/05 ,  F02P5/15 ,  F02P15/08 ,  F02P15/10 ,  F02P3/04 ,  H01T13/22

CPC classification number: H01T13/467 ,  F02P3/04 ,  F02P3/05 ,  F02P5/15 ,  F02P15/08 ,  F02P15/10 ,  H01F38/12 ,  H01T13/22

Abstract: A multi-ignition coil control system includes a spark plug including first and second center electrodes, and first and second ground electrodes spaced apart from the center electrodes by a predetermined distance, a first ignition coil including a primary coil, and a secondary coil in which a discharge current is generated by electromagnetic induction with the primary coil, and a second ignition coil including a primary coil, and a secondary coil in which a discharge current is generated by electromagnetic induction with the primary coil, wherein one end of the secondary coil of the first ignition coil and one end of the secondary coil of the second ignition coil are electrically connected to one of the center electrodes, and the other end of the secondary coil of the first ignition coil and the other end of the secondary coil of the second ignition coil are electrically connected to the other of the center electrodes.

公开(公告)号：US11637411B2

公开(公告)日：2023-04-25

申请号：US17842224

申请日：2022-06-16

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Kiseon Sim ,  Soo Hyung Woo

IPC: H01T13/46

Abstract: A spark plug includes a metal body member formed of a metal material, an insulating body member provided inside the metal body member and formed of an insulating material, a pair of central electrodes provided inside the insulating body member and having different polarities, and a ground electrode extending from the metal body member between a pair of central electrodes.