Patents by Inventor Jung Sup Byun
Jung Sup Byun 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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Patent number: 11235769Abstract: A vehicle control method may include determining by a controller, a state of a brake pedal wherein a controller is configured to determine during performing an SSC control mode whether a brake pedal is in an ON state; determining, by the controller, overlap of control modes wherein when it is determined in the determining by a controller, a state of a brake pedal that the brake pedal is in the ON state, the controller is configured to determine whether conditions for performing an extended ISG control mode are satisfied; and converting, by the controller, a control mode wherein when it is determined in the determining, by the controller, overlap of control modes that the conditions for performing the extended ISG control mode are satisfied, the controller terminates the SSC control mode being performed and converts the current control mode to the extended ISG control mode.Type: GrantFiled: September 25, 2019Date of Patent: February 1, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Chan Hee Won, Jung Sup Byun, Seong Kyu Park, Seong Hwan Cheong
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Patent number: 11220989Abstract: A method of controlling engine restart may include selecting, by a start controller, a first start situation and a second start situation for restarting an engine; determining a current possible start-up through the first and second start situations; prioritizing possible start-ups; and attempting to restart the engine by setting the first and second start situations as first start control and second start control, respectively, based on the priorities of the start-ups.Type: GrantFiled: December 3, 2019Date of Patent: January 11, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jung-Sup Byun, Seung-Woo Lee, Chan-Hee Won, Seong-Kyu Park
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Patent number: 11167763Abstract: A coasting driving control method and system for a vehicle may determine virtual engine RPM for a current driving state using engine RPM, vehicle speed, and gear stage information by a controller when coasting is started with the clutch in the neutral position and outputs a downshifting instruction signal for a gear stage by the controller when the virtual engine RPM is less than a coasting engine RPM which is greater than an idling RPM by a predetermined value.Type: GrantFiled: October 1, 2019Date of Patent: November 9, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Chan Hee Won, Jung Sup Byun, Sang Wook Nam, Kwan Ho Lee, Seong Kyu Park
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Patent number: 11085339Abstract: A method of continuously variable valve duration (CVVD) location learning may include when a controller determines necessity of position learning for short duration and long duration of a CVVD system, performing conditional application re-learning control in which the position learning is performed in a situation in which validity determination of system environment condition for CVVD hardware and validity determination of vehicle environment condition for engine operation information of an engine are satisfied.Type: GrantFiled: December 6, 2018Date of Patent: August 10, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung-Sup Byun, Hee-Nam Woo
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Publication number: 20210114598Abstract: A neutral coasting control (NCC) method based on fuel injection condition reinforcement applied to an NCC system is provided. The NCC method comprises in response to a controller detecting pressing of a brake pedal of a pedal system being switched to an NCC release from an operation, practice, or action of an NCC of a vehicle, fuel injection condition reinforcement control for delaying a fuel injection of a fuel injector. The delay of the fuel injection is according to a fuel injection stop condition for a predetermined time. The fuel injection delay is stopped according to a fuel injection stop abort condition and a fuel injection stop release condition. Fuel injection start control to stop or start the fuel injection according to a state of an engine overrun after transmission direct connection state is established such that improvement of fuel efficiency can be achieved by preventing an unnecessary fuel injection through delaying and limiting of the fuel injection start.Type: ApplicationFiled: March 20, 2020Publication date: April 22, 2021Inventors: Jung-Sup Byun, Seung-Woo Lee, Chan-Hee Won
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Publication number: 20210003107Abstract: A method of controlling engine restart may include selecting, by a start controller, a first start situation and a second start situation for restarting an engine; determining a current possible start-up through the first and second start situations; prioritizing possible start-ups; and attempting to restart the engine by setting the first and second start situations as first start control and second start control, respectively, based on the priorities of the start-ups.Type: ApplicationFiled: December 3, 2019Publication date: January 7, 2021Inventors: Jung-Sup BYUN, Seung-Woo LEE, Chan-Hee WON, Seong-Kyu PARK
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Publication number: 20210001853Abstract: The present disclosure relates to an Extended Idle Stop and Go (E-ISG) control device and method for a vehicle. The E-ISG control device includes a Brake Pedal Sensor (BPS) that outputs an ON signal when a user depresses a brake pedal and outputs an OFF signal when the user does not depress the brake pedal and a controller that stops operation of an engine and opens an electronic clutch when the vehicle is not in N gear during travel and the ON signal is output from the BPS.Type: ApplicationFiled: October 16, 2019Publication date: January 7, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jung Sup BYUN, Seung Woo LEE, Chan Hee WON, Seong Kyu PARK
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Publication number: 20200377097Abstract: A coasting driving control method and system for a vehicle may determine virtual engine RPM for a current driving state using engine RPM, vehicle speed, and gear stage information by a controller when coasting is started with the clutch in the neutral position and outputs a downshifting instruction signal for a gear stage by the controller when the virtual engine RPM is less than a coasting engine RPM which is greater than an idling RPM by a predetermined value.Type: ApplicationFiled: October 1, 2019Publication date: December 3, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Chan Hee WON, Jung Sup Byun, Sang Wook Nam, Kwan Ho Lee, Seong Kyu Park
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Publication number: 20200353928Abstract: A vehicle control method may include determining by a controller, a state of a brake pedal wherein a controller is configured to determine during performing an SSC control mode whether a brake pedal is in an ON state; determining, by the controller, overlap of control modes wherein when it is determined in the determining by a controller, a state of a brake pedal that the brake pedal is in the ON state, the controller is configured to determine whether conditions for performing an extended ISG control mode are satisfied; and converting, by the controller, a control mode wherein when it is determined in the determining, by the controller, overlap of control modes that the conditions for performing the extended ISG control mode are satisfied, the controller terminates the SSC control mode being performed and converts the current control mode to the extended ISG control mode.Type: ApplicationFiled: September 25, 2019Publication date: November 12, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Chan Hee WON, Jung Sup BYUN, Seong Kyu PARK, Seong Hwan CHEONG
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Patent number: 10808644Abstract: A method of preventing an engine stall of a vehicle having a fuel injection device for pressurizing fuel stored in a fuel tank by a high-pressure fuel pump to transmit the fuel to a common rail, and injecting the fuel temporarily stored in the common rail into an engine through an injector may include steps of determining whether or not a drift occurs in an output signal of a high-pressure fuel pressure sensor for measuring fuel pressure at a downstream side of the high-pressure fuel pump, and performing a fuel pressure control by replacing a high-pressure fuel pressure value with a predetermined pressure value based on the output signal of the high-pressure fuel pressure sensor.Type: GrantFiled: November 29, 2018Date of Patent: October 20, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jung-Sup Byun, Bon-Chang Koo
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Patent number: 10767548Abstract: A failure diagnosis method of a coolant temperature sensor for a vehicle, may include determining, by a controller, whether or not it is in a flow stop state that stagnates the flow of coolant by a flow control valve; obtaining, by the controller, an engine outlet coolant model temperature when it is in the flow stop state; and diagnosing, by the controller, as a failure of an engine outlet-side outlet water temperature sensor when the coolant model temperature is equal to or greater than a reference temperature and the flow stop state is maintained by the flow control valve.Type: GrantFiled: September 19, 2018Date of Patent: September 8, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jung Sup Byun, Seong Kyu Park
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Publication number: 20200072132Abstract: A method of continuously variable valve duration (CVVD) location learning may include when a controller determines necessity of position learning for short duration and long duration of a CVVD system, performing conditional application re-learning control in which the position learning is performed in a situation in which validity determination of system environment condition for CVVD hardware and validity determination of vehicle environment condition for engine operation information of an engine are satisfied.Type: ApplicationFiled: December 6, 2018Publication date: March 5, 2020Applicants: Hyundai Motor Company, KIA Motors CorporationInventors: Jung-Sup Byun, Hee-Nam Woo
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Publication number: 20200063611Abstract: A method of continuously variable valve duration (CVVD) location learning may include when current position information applied to valve duration control in a CVVD system is not detected by a controller, executing a re-learning mode in which re-learning of short duration and long duration is performed by classifying a situation, in which the current position information is not detected, into a plurality of non-detection situations.Type: ApplicationFiled: December 13, 2018Publication date: February 27, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jung-Sup BYUN, Hee-Nam WOO
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Publication number: 20190353086Abstract: A failure diagnosis method of a coolant temperature sensor for a vehicle, may include determining, by a controller, whether or not it is in a flow stop state that stagnates the flow of coolant by a flow control valve; obtaining, by the controller, an engine outlet coolant model temperature when it is in the flow stop state; and diagnosing, by the controller, as a failure of an engine outlet-side outlet water temperature sensor when the coolant model temperature is equal to or greater than a reference temperature and the flow stop state is maintained by the flow control valve.Type: ApplicationFiled: September 19, 2018Publication date: November 21, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jung Sup BYUN, Seong Kyu PARK
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Publication number: 20190293018Abstract: A method of preventing an engine stall of a vehicle having a fuel injection device for pressurizing fuel stored in a fuel tank by a high-pressure fuel pump to transmit the fuel to a common rail, and injecting the fuel temporarily stored in the common rail into an engine through an injector may include steps of determining whether or not a drift occurs in an output signal of a high-pressure fuel pressure sensor for measuring fuel pressure at a downstream side of the high-pressure fuel pump, and performing a fuel pressure control by replacing a high-pressure fuel pressure value with a predetermined pressure value based on the output signal of the high-pressure fuel pressure sensor.Type: ApplicationFiled: November 29, 2018Publication date: September 26, 2019Inventors: Jung-Sup BYUN, Bon-Chang KOO
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Patent number: 9869233Abstract: Disclosed herein is a fault diagnosis method of a thermostat including: confirming, by a controller, whether a flow stop valve is equipped in a vehicle; if it is determined that the flow stop valve is equipped in the vehicle, diagnosing the flow stop valve; and if it is determined that the diagnosis on the flow stop valve ends, diagnosing the thermostat to determine whether the thermostat is faulty.Type: GrantFiled: November 4, 2015Date of Patent: January 16, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Jung Sup Byun, Seong Kyu Park
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Patent number: 9850854Abstract: A method for controlling an engine for a vehicle to ensure a stable driving state of the engine on an electrical failure of a Purge Control Solenoid Valve (PCSV) may include determining, by a controller, whether a situation of an electrical failure where an opening state of the Purge Control Solenoid Valve (PCSV) is held is detected, increasing, by the controller, a failure detecting counter to a first reference value according to a state where the situation of the electrical failure of the PCSV has been detected is kept as a result of performing the failure detecting, and compensating, by the controller, a rotation number of the engine to increase the rotation number of the engine when the failure detecting counter exceeds the first reference value as a result of performing the increasing.Type: GrantFiled: April 14, 2015Date of Patent: December 26, 2017Assignee: Hyundai Motor CompanyInventors: Jung Sup Byun, Seong Kyu Park
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Publication number: 20170023439Abstract: Disclosed herein is a fault diagnosis method of a thermostat including: confirming, by a controller, whether a flow stop valve is equipped in a vehicle; if it is determined that the flow stop valve is equipped in the vehicle, diagnosing the flow stop valve; and if it is determined that the diagnosis on the flow stop valve ends, diagnosing the thermostat to determine whether the thermostat is faulty.Type: ApplicationFiled: November 4, 2015Publication date: January 26, 2017Applicant: Hyundai Motor CompanyInventors: Jung Sup Byun, Seong Kyu Park
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Publication number: 20160153368Abstract: A method for preventing an engine stall due to signal drift of a throttle position sensor (TPS) includes determining whether a manifold absolute pressure (MAP) sensor is faulty. If it is determined that the MAP sensor is normal, values sensed by first and second TPSs and the MAP sensor are measured. Whether or not the first and second TPSs are normal is determined by using the values sensed by the first and second TPSs. A normal TPS among the first and second TPSs is determined by comparing the values sensed by the first and second TPSs with the value sensed by the MAP sensor. A throttle opening degree is controlled using the normal TPS.Type: ApplicationFiled: April 16, 2015Publication date: June 2, 2016Inventors: Jung Sup BYUN, Dong Sun KIM
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Publication number: 20160123241Abstract: A method for preventing an engine stall upon a short of an oil control valve may include implementing, by a controller, an engine stall prevention control logic for increasing a rotation number of an engine to a set target value when a failure signal number of the oil control valve due to a short thereof exceeds a set reference value.Type: ApplicationFiled: April 14, 2015Publication date: May 5, 2016Applicant: Hyundai Motor CompanyInventors: Jung Sup Byun, Seong Kyu PARK