Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Unick Corporation

Hyundai Motor Campany

Soo Hyung Woo

Jin Kook Kong

Byong Young Choi

Young Hong Kwak

Jei Choon Yang

Eun Ho Lee

Jin Soon Kim

Gee Wook Shin

Kiseon Sim

Dong Seok Lee

Yoonsik Woo

Seung Kook Han

Wootae Kim

Ki Young Kwon

Ju Hun Lee

Il Suk Yang

Won Gyu Kim

Young Nam Kim

Young Jin Won

Jin Wook Son

Chang Ho Yang

Sang Won Kim

Dongwon Jung

Jin Oh Song

Back Sik Kim

Kiyoung Kwon

Yong Beom Park

Yen Wha Ryu

Young-Ju Kim

Jeong-Hwa Cha

Byeong Seok Lee

You Sang Son

Dae Sung Kim

Young Ju Kim

Wonjun Lee

Danghee Park

Jin Woo Cho

Heechang Oh

Woo Tae Kim

Won Jun Lee

Kyoung Joon Chang

Jongwan Han

Chang-Hoon Lee

Yong Woong Cha

Kwang Sik Yang

Ki Uk Shin

Jeong Hwa Cha

Sangwook Kweon

Soo Young Kwak

Ki Wook Shin

Jaewook Kang

Sung-Chan Cho

Jong Hyeok Choi

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.

Ignition coil system

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.

Ignition coil control system

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.

Ignition apparatus and control method thereof

An embodiment system for controlling an ignition coil includes a first ignition coil including a first primary coil and a first secondary coil, a second ignition coil including a second primary coil and a second secondary coil, a spark plug including a pair of electrodes configured to generate a spark discharge by a discharge current generated by the first ignition coil and the second ignition coil, and a controller configured to selectively perform a multi-stage ignition through the first ignition coil and the second ignition coil or a single-stage ignition through the first ignition coil or the second ignition coil depending on an operation region of an engine and, in response to a misfire occurring in the engine while performing the multi-stage ignition, to adjust a number of ignitions or a dwell time.

System and method for controlling ignition coil

An ignition coil control system includes: 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 electrode by adjusting an amount and duration of the discharge current of the first ignition coil and the second ignition coil based on a step pulse signal including different voltages transmitted from an engine control unit (ECU).

Ignition coil control system and method

An embodiment system includes an ignition coil including a primary coil and a secondary coil, a high voltage battery selectively electrically connected the primary coil, a low voltage battery selectively electrically connected to the primary coil, and an electric and electronic element provided between the high voltage battery, the low voltage battery, and the primary coil of the ignition coil to selectively supply electric power of the high voltage battery or the low voltage battery to the primary coil.

System of ignition coil

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.

Electrode wear amount predicting system and method of spark plug

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.

Multi-ignition coil control system

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.

Spark plug

An ignition coil control system may include a first ignition coil including a primary coil and a secondary coil; a first switch that selectively electrically-connects the primary coil of the first ignition coil; a second ignition coil including a primary coil and a secondary coil; a second switch that selectively electrically-connects the primary coil of the second ignition coil; a pair of electrodes 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 pair of electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil by turning the first switch and the second switch on or off according to a single pulse signal having a constant voltage including different voltages transmitted from an engine control unit (ECU).

Ignition coil control system and method thereof

A dual spark plug may include: a metal body made of metal material, an insulating body provided inside of the metal body and made of an insulating material, a pair of central electrodes provided inside of the insulating body and electrically connected with an ignition coil, and a pair of ground electrodes respectively extended from both ends the metal body, and spaced apart from ends of the pair of central electrodes by a predetermined distance.

Dual spark plug

An ignition coil control method may include receiving first pulse signal and second pulse signal following the first pulse signal by a delay time transmitted from an engine control unit; charging the first ignition coil when the first pulse signal is on; charging the second ignition coil when a predetermined time period elapses from a time at which the first pulse signal is on; discharging the first ignition coil when the first pulse signal is off; discharging the second ignition coil when a maintaining time of the first pulse signal from a time at which the second ignition coil is charged; when the second pulse signal is on, charging the first ignition coil for a dwell time and then discharging the first ignition coil; and charging the second ignition coil for the dwell time and then discharging the second ignition coil when a predetermined time period elapses from a time at which the second ignition coil is discharged.

Method of controlling ignition coil

A dual spark plug may include: a cap plug formed of an insulation material; an upper body formed of an insulation material and coupled with the cap plug; a lower body integrally formed with the upper body and provided at an outer side of the upper body; a pair of plug center electrodes provided inside the cap plug; a pair of upper center electrodes provided inside the upper body and electrically connected with the pair of plug center electrodes; insulation caps provided to wrap the pair of plug center electrodes, respectively; and a pair of ground electrodes extended from opposite sides of the lower body and disposed at a predetermined distance from the pair of upper center electrodes, respectively.

An engine cooling system includes: an engine system including an engine having a plurality of combustion chambers that generate a driving force by combustion of fuel; a power electronics (PE) device that assists engine torque of the engine system in accordance with a driving state of the vehicle; a main radiator connected to the engine system by an engine coolant line and discharging heat generated in the engine system by engine coolant flowing in the engine coolant line, a sub-radiator connected to the PE device through a PE coolant line and discharging heat generated in the PE device by PE coolant flowing in the PE coolant line; a 2-way valve connecting the engine coolant line and the PE coolant line to each other; and a controller for controlling opening and closing of the 2-way valve according to a temperature of the engine coolant and a vehicle driving condition.

Engine cooling system for vehicle

A structure is mounted in a water jacket for a cylinder block of an engine so as to surround a block bore. The structure includes a body forming a pad mounting portion being a panel formed in an arc shape to have inner and outer curved surfaces that are surrounded by the block bore. A mounting hole is extended through the inner and outer curved surfaces of the pad mounting portion. A pad is formed in a shape to correspond with the mounting hole. The pad has a curved surface and is inserted into the mounting hole in a water tight manner.

Structure mounted in water jacket for cylinder block

Growing community of inventors

Yongin-si, South Korea

Soo Hyung Woo