Patents by Inventor Soo Hyung Woo
Soo Hyung Woo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240167445Abstract: Enclosed is an ignition device for an internal combustion engine. The ignition device includes a coil unit including a plurality of coil modules each of which includes a primary coil and a secondary coil, a cable commonly connected to each of opposite ends of the secondary coils of each of the coil modules of the coil unit, spark plugs each of which is connected to the cable and installed in one of combustion chambers having the same phase, and a controller provided to sequentially switch power supplied from a power source to the primary coils of each coil module of the coil unit.Type: ApplicationFiled: April 20, 2023Publication date: May 23, 2024Inventors: Soo Hyung WOO, Ki Seon SIM
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Publication number: 20240167446Abstract: 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.Type: ApplicationFiled: June 9, 2023Publication date: May 23, 2024Inventors: Kiseon SIM, Soo Hyung WOO
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Patent number: 11879420Abstract: 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.Type: GrantFiled: May 16, 2023Date of Patent: January 23, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Soo Hyung Woo
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Patent number: 11846262Abstract: 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).Type: GrantFiled: June 28, 2021Date of Patent: December 19, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Patent number: 11795899Abstract: 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.Type: GrantFiled: October 25, 2022Date of Patent: October 24, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Soo Hyung Woo
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Patent number: 11784466Abstract: 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.Type: GrantFiled: June 13, 2022Date of Patent: October 10, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Soo Hyung Woo, Kiseon Sim, Won Gyu Kim
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Patent number: 11781517Abstract: 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.Type: GrantFiled: June 17, 2022Date of Patent: October 10, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Soo Hyung Woo
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Patent number: 11637411Abstract: 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.Type: GrantFiled: June 16, 2022Date of Patent: April 25, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon Sim, Soo Hyung Woo
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Publication number: 20230109264Abstract: 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.Type: ApplicationFiled: September 26, 2022Publication date: April 6, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon Sim, Soo Hyung Woo
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Publication number: 20230070763Abstract: 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.Type: ApplicationFiled: June 13, 2022Publication date: March 9, 2023Inventors: Soo Hyung Woo, Kiseon Sim, Won Gyu Kim
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Publication number: 20230055431Abstract: 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.Type: ApplicationFiled: June 16, 2022Publication date: February 23, 2023Inventors: Kiseon Sim, Soo Hyung Woo
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Publication number: 20230029000Abstract: 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.Type: ApplicationFiled: June 17, 2022Publication date: January 26, 2023Inventors: Kiseon SIM, Soo Hyung Woo
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Patent number: 11560870Abstract: 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).Type: GrantFiled: September 27, 2021Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Patent number: 11509120Abstract: 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.Type: GrantFiled: December 2, 2020Date of Patent: November 22, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventor: Soo Hyung Woo
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Publication number: 20220364537Abstract: An ignition coil control system may include first and second ignition coils, and a spark plug including a pair of electrodes in which generates spark discharge by discharge currents of the first ignition coil and the second ignition coil, a DC-DC converter connected to a primary coil of the first ignition coil, a primary coil of the second ignition coil and a battery; in which converts current magnitude supplied to a primary coil of the first ignition coil and a primary coil of the second ignition coil from a battery, and a controller in which controls the spark discharge of the electrodes by adjusting an amount and a duration of the discharge current of the first ignition coil and the second ignition coil base on a pulse signal, wherein the controller is configured to selectively execute a multi-state ignition through the first ignition coil and the second ignition coil and a single-stage ignition through one of the first ignition coil and the second ignition coil according to an operation region of an enginType: ApplicationFiled: November 18, 2021Publication date: November 17, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Kiseon SIM, Dongwon JUNG, Won Gyu KIM, Jin Oh SONG, Soo Hyung WOO
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Publication number: 20220285921Abstract: 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).Type: ApplicationFiled: November 4, 2021Publication date: September 8, 2022Inventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Publication number: 20220275782Abstract: 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).Type: ApplicationFiled: June 28, 2021Publication date: September 1, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon SIM, Dongwon JUNG, Won Gyu KIM, Jin Oh SONG, Soo Hyung WOO
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Publication number: 20220252033Abstract: 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).Type: ApplicationFiled: September 27, 2021Publication date: August 11, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Patent number: 11378055Abstract: 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.Type: GrantFiled: September 16, 2021Date of Patent: July 5, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Kiseon Sim, Dongwon Jung, Won Gyu Kim, Jin Oh Song, Soo Hyung Woo
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Patent number: 11251588Abstract: 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.Type: GrantFiled: June 17, 2021Date of Patent: February 15, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventor: Soo Hyung Woo