Patents by Inventor Yong Kak Choi
Yong Kak Choi 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: 11634114Abstract: An apparatus and a method for controlling a hybrid vehicle are provided. The apparatus includes an engine that generates power by combusting fuel and a drive motor that supplements the power from the engine and operates selectively as an electric generator to produce electrical energy. A clutch is disposed between the engine and the drive motor and a battery supplies electrical energy to the drive motor and is charged with the electrical energy produced by the drive motor. Multiple electric superchargers are installed in multiple intake lines through which outside air to be supplied into a combustion chamber of the engine flows. A controller determines an operation mode of the multiple electric superchargers based on required power of a driver and a state of charge (SOC) of the battery and adjusts the power output from the engine and the power output from the drive motor.Type: GrantFiled: November 26, 2019Date of Patent: April 25, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Kak Choi, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Dong Hee Han, Hyunjin Kang
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Patent number: 11584354Abstract: An apparatus of controlling a hybrid vehicle includes: an engine configured to generate power by combustion of fuel; a driving motor configured to assist power of the engine and selectively operate as a power generator to generate electric energy; an HSG configured to start the engine and selectively operate as a power generator to generate electric energy; a clutch provided between the engine and the driving motor; a battery configured to supply electric energy to the driving motor or charge electric energy generated in the driving motor; an EGR apparatus configured to resupply exhaust gas discharged from the engine to the engine; an electric supercharger in which outside air supplied to combustion chambers flows; and a controller configured to variably control a travelling mode, an operating point, a lock charge through the driving motor and the HSG, and a shifting pattern based on a required torque of a driver and a SOC of the battery.Type: GrantFiled: June 2, 2020Date of Patent: February 21, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Yong Kak Choi, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Dong Hee Han, Hyunjin Kang
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Patent number: 11554780Abstract: A regenerative braking control system of an AWD (all-wheel-drive) hybrid vehicle including a front wheel HEV (hybrid electric vehicle) powertrain and a rear wheel EV (electric vehicle) powertrain is provided. The control system includes a manipulating instrument mounted to a steering wheel for manual shifting and regenerative braking control by a driver's manipulation, and a controller for adjusting a regenerative braking amount and controlling a shift pattern of each of a front wheel motor of the front wheel HEV powertrain and a rear wheel motor of the rear wheel EV powertrain by receiving a (?) or (+) manipulation signal or a hold manipulation signal of the manipulating instrument.Type: GrantFiled: June 11, 2020Date of Patent: January 17, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Kak Choi, Joon Shik Park, Chang Min Lee
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Patent number: 11554782Abstract: An apparatus of controlling an engine including an electric supercharger includes: an engine to combust fuel to generate power; a drive motor to assist the power of the engine and selectively operate as a generator to generate electrical energy; a battery configured to supply electrical energy to the drive motor and to be charged by the electrical energy generated from the drive motor; a plurality of electric superchargers respectively installed in a plurality of intake lines through which an ambient air flows to be supplied to a combustion chamber of the engine; and a controller that based on a determined driving tendency, adjusts a target speed of the electric superchargers of the plurality of electric superchargers, determine a driving mode of the electric superchargers, limits a maximum output of the engine, and variably adjusts a SOC electricity-generating region where the engine charges the battery.Type: GrantFiled: May 8, 2020Date of Patent: January 17, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Yeongseop Park, Dong Hee Han, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Jihyun Park, Seungwoo Hong, Yong Kak Choi, Hyunjin Kang
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Patent number: 11548493Abstract: A control apparatus for a hybrid vehicle includes an engine that combusts fuel to generate power. A drive motor assists the engine power and selectively operates as a generator to generate electrical energy. A clutch is disposed between the engine and drive motor. A battery supplies electrical energy to the drive motor or is charged by the generated electrical energy. A DC converter transforms a DC from the battery. An electric supercharger supplies supercharged air to the engine. A controller determines an optimal air amount to maximize system efficiency based on a drive motor limited output value determined by a battery SOC, and determines an output drive motor power output and an output engine power output based on the optimal air amount when an atmospheric pressure is less than a predetermined pressure, intake temperature is greater than a predetermined temperature and the SOC is less than a predetermined value.Type: GrantFiled: June 8, 2020Date of Patent: January 10, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Heechang Oh, Dong Hee Han, Hyunjin Kang, Kwanhee Lee, Yeongseop Park, Seungwoo Hong, Jonghyeok Lee, Yong Kak Choi
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Patent number: 11485351Abstract: An apparatus of controlling a hybrid vehicle may include: an engine; a drive motor to assist the power of the engine and selectively operate as a generator to generate electrical energy; a battery to supply electrical energy; a first intake valve disposed in a first intake line; a second intake valve disposed in a second intake line; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a connecting valve disposed in a connecting line for connecting the first intake line and the second intake line; and a controller that determines a driving mode of the first and second electric superchargers. In particular, the controller controls the drive motor and the first and second electric superchargers based on a supercharger consumed energy, an additional fuel energy, and a drive motor consumed energy.Type: GrantFiled: November 23, 2020Date of Patent: November 1, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jihyun Park, Dong Hee Han, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Seungwoo Hong, Yong Kak Choi, Hyunjin Kang
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Patent number: 11433878Abstract: An apparatus for controlling a hybrid vehicle is provided. The apparatus includes an engine generating power by combustion of fuel, a driving motor assisting power of the engine and selectively operated as a power generator to generate electric energy and a clutch disposed between the engine and the driving motor. A battery supplies electric energy to the driving motor and charges the electric energy generated in the driving motor. A plurality of electric superchargers are installed in a plurality of intake lines, in which outside air supplied to combustion chambers of the engine flows, respectively and a controller variably adjusts an operating point of the engine.Type: GrantFiled: June 1, 2020Date of Patent: September 6, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Kak Choi, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Dong Hee Han, Hyunjin Kang
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Publication number: 20220080950Abstract: An apparatus for controlling a hybrid vehicle includes an engine; a drive motor; a battery; an electric supercharger configured to be installed in an intake line in which an intake air supplied to a combustion chamber of the engine flows; a navigation device configure to calculate a driving path from a starting point to a destination point and driving information; a controller configure to calculate a driving load from the driving path and the driving information calculated by the navigation device, determine an optimal SOC (state of charge) for each section from the starting point to destination point based on the driving load, determine a driving mode of the vehicle based on a required torque of driver and a driving mode of the battery to follow the optimal SOC for each section, and adjust an operating point of the engine.Type: ApplicationFiled: November 24, 2020Publication date: March 17, 2022Inventors: Jonghyeok Lee, Dong Hee Han, Hyunjin Kang, Kwanhee Lee, Yeongseop Park, Seungwoo Hong, Yong Kak Choi, Heechang Oh
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Patent number: 11180149Abstract: A vehicle includes a motor; a transmission; a battery; a mode input device for receiving a driving mode; a control information input device for receiving regenerative braking control information or gearshift level control information; and a controller configured to control at least one of braking torque of the motor and gearshift level of the transmission to control an amount of regenerative braking during regenerative braking by recognizing a signal received from the control information input device as a signal corresponding to the regenerative braking control information when the driving mode input to the mode input device is a first mode, and control the transmission to control the gearshift level of the transmission by recognizing a signal received from the control information input device as a signal corresponding to the gearshift level control information when the driving mode input to the mode input device is a second mode.Type: GrantFiled: May 24, 2019Date of Patent: November 23, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yong Kak Choi, Joon Shik Park
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Publication number: 20210179067Abstract: An apparatus of controlling a hybrid vehicle may include: an engine configured to an engine power; a drive motor to assist the power of the engine and selectively operate as a generator to generate electrical energy; a clutch disposed between the engine and the drive motor; a battery to supply electrical energy to the drive motor or to be charged by the electrical energy generated by the drive motor; an electric supercharger installed in an intake line through which an ambient air is supplied to a combustion chamber of the engine; and a controller to operate the electric supercharger and control the engine power output from the engine and a drive motor power output from the drive motor based on a desired power of a driver and a SOC (state of charge) of the battery.Type: ApplicationFiled: June 8, 2020Publication date: June 17, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Yong Kak CHOI, Hyun Woo LIM, Buhm Joo SUH, Jinkuk CHO, Kwanhee LEE, Sungchan NA, Yeongseop PARK, Jihyun PARK, Seungwoo HONG, Dong Hee HAN, Hyunjin KANG
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Publication number: 20210179069Abstract: An apparatus of controlling a hybrid vehicle may include: an engine; a drive motor to assist the power of the engine and selectively operate as a generator to generate electrical energy; a battery to supply electrical energy; a first intake valve disposed in a first intake line; a second intake valve disposed in a second intake line; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a connecting valve disposed in a connecting line for connecting the first intake line and the second intake line; and a controller that determines a driving mode of the first and second electric superchargers. In particular, the controller controls the drive motor and the first and second electric superchargers based on a supercharger consumed energy, an additional fuel energy, and a drive motor consumed energy.Type: ApplicationFiled: November 23, 2020Publication date: June 17, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jihyun PARK, Dong Hee HAN, Hyun Woo LIM, Buhm Joo SUH, Jinkuk CHO, Kwanhee LEE, Sungchan NA, Yeongseop PARK, Seungwoo HONG, Yong Kak CHOI, Hyunjin KANG
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Patent number: 11035312Abstract: An apparatus for diagnosing an exhaust gas recirculation (EGR) valve includes: an EGR apparatus including an EGR line connecting an exhaust line and an intake line and an EGR valve installed in the EGR line; an electric supercharger installed in the intake line to change an internal pressure of an intake manifold; a manifold pressure sensor measuring the internal pressure of the intake manifold; and a controller that when an engine is stopped while a vehicle is running, learns on an amount of opening of the EGR valve, diagnoses a fixation of the EGR valve and e a leakage of the EGR valve based on the internal pressure of the intake manifold detected by the manifold pressure sensor.Type: GrantFiled: June 8, 2020Date of Patent: June 15, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS COMPANYInventors: Heechang Oh, Dong Hee Han, Hyunjin Kang, Kwanhee Lee, Yeongseop Park, Seungwoo Hong, Jonghyeok Lee, Yong Kak Choi
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Publication number: 20210171013Abstract: A hybrid vehicle may include: an engine; a drive motor assisting a driving torque of the engine; an engine clutch selectively delivering power between the engine and the drive motor; a first intake valve disposed in a first intake line; a second intake valve disposed in a second intake line; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a connecting valve disposed in a connecting line for connecting the first intake line and the second intake line; and a controller determining an operating mode among a plurality of operating modes of the first and the second electric superchargers based on a pressure ratio and a flow rate of the intake air supplied by each of the first and the second electric superchargers.Type: ApplicationFiled: May 27, 2020Publication date: June 10, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Buhm Joo SUH, Dong Hee HAN, Jinkuk CHO, Kwanhee LEE, Sungchan NA, Yeongseop PARK, Jihyun PARK, Seungwoo HONG, Yong Kak CHOI, Hyunjin KANG
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Publication number: 20210155225Abstract: An apparatus for controlling a hybrid vehicle is provided. The apparatus includes an engine generating power by combustion of fuel, a driving motor assisting power of the engine and selectively operated as a power generator to generate electric energy and a clutch disposed between the engine and the driving motor. A battery supplies electric energy to the driving motor and charges the electric energy generated in the driving motor. A plurality of electric superchargers are installed in a plurality of intake lines, in which outside air supplied to combustion chambers of the engine flows, respectively and a controller variably adjusts an operating point of the engine.Type: ApplicationFiled: June 1, 2020Publication date: May 27, 2021Inventors: Yong Kak Choi, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Dong Hee Han, Hyunjin Kang
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Publication number: 20210148298Abstract: An apparatus for diagnosing an exhaust gas recirculation (EGR) valve includes: an EGR apparatus including an EGR line connecting an exhaust line and an intake line and an EGR valve installed in the EGR line; an electric supercharger installed in the intake line to change an internal pressure of an intake manifold; a manifold pressure sensor measuring the internal pressure of the intake manifold; and a controller that when an engine is stopped while a vehicle is running, learns on an amount of opening of the EGR valve, diagnoses a fixation of the EGR valve and e a leakage of the EGR valve based on the internal pressure of the intake manifold detected by the manifold pressure sensor.Type: ApplicationFiled: June 8, 2020Publication date: May 20, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Heechang OH, Dong Hee HAN, Hyunjin KANG, Kwanhee LEE, Yeongseop PARK, Seungwoo HONG, Jonghyeok LEE, Yong Kak CHOI
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Publication number: 20210146912Abstract: An apparatus of controlling a hybrid vehicle includes: an engine configured to generate power by combustion of fuel; a driving motor configured to assist power of the engine and selectively operate as a power generator to generate electric energy; an HSG configured to start the engine and selectively operate as a power generator to generate electric energy; a clutch provided between the engine and the driving motor; a battery configured to supply electric energy to the driving motor or charge electric energy generated in the driving motor; an EGR apparatus configured to resupply exhaust gas discharged from the engine to the engine; an electric supercharger in which outside air supplied to combustion chambers flows; and a controller configured to variably control a travelling mode, an operating point, a lock charge through the driving motor and the HSG, and a shifting pattern based on a required torque of a driver and a SOC of the battery.Type: ApplicationFiled: June 2, 2020Publication date: May 20, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Yong Kak Choi, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Dong Hee Han, Hyunjin Kang
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Publication number: 20210146935Abstract: An apparatus of controlling an engine including an electric supercharger includes: an engine to combust fuel to generate power; a drive motor to assist the power of the engine and selectively operate as a generator to generate electrical energy; a battery configured to supply electrical energy to the drive motor and to be charged by the electrical energy generated from the drive motor; a plurality of electric superchargers respectively installed in a plurality of intake lines through which an ambient air flows to be supplied to a combustion chamber of the engine; and a controller that based on a determined driving tendency, adjusts a target speed of the electric superchargers of the plurality of electric superchargers, determine a driving mode of the electric superchargers, limits a maximum output of the engine, and variably adjusts a SOC electricity-generating region where the engine charges the battery.Type: ApplicationFiled: May 8, 2020Publication date: May 20, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Yeongseop PARK, Dong Hee HAN, Hyun Woo LIM, Buhm Joo SUH, Jinkuk CHO, Kwanhee LEE, Sungchan NA, Jihyun PARK, Seungwoo HONG, Yong Kak CHOI, Hyunjin KANG
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Patent number: 11007998Abstract: A hybrid vehicle may include: an engine; a drive motor assisting a driving torque of the engine; an engine clutch selectively delivering power between the engine and the drive motor; a first intake valve disposed in a first intake line; a second intake valve disposed in a second intake line; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a connecting valve disposed in a connecting line for connecting the first intake line and the second intake line; and a controller determining an operating mode among a plurality of operating modes of the first and the second electric superchargers based on a pressure ratio and a flow rate of the intake air supplied by each of the first and the second electric superchargers.Type: GrantFiled: May 27, 2020Date of Patent: May 18, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Buhm Joo Suh, Dong Hee Han, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Jihyun Park, Seungwoo Hong, Yong Kak Choi, Hyunjin Kang
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Publication number: 20210122371Abstract: A regenerative braking control system of an AWD (all-wheel-drive) hybrid vehicle including a front wheel HEV (hybrid electric vehicle) powertrain and a rear wheel EV (electric vehicle) powertrain is provided. The control system includes a manipulating instrument mounted to a steering wheel for manual shifting and regenerative braking control by a driver's manipulation, and a controller for adjusting a regenerative braking amount and controlling a shift pattern of each of a front wheel motor of the front wheel HEV powertrain and a rear wheel motor of the rear wheel EV powertrain by receiving a (?) or (+) manipulation signal or a hold manipulation signal of the manipulating instrument.Type: ApplicationFiled: June 11, 2020Publication date: April 29, 2021Inventors: Yong Kak Choi, Joon Shik Park, Chang Min Lee
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Publication number: 20210107447Abstract: A control apparatus for a hybrid vehicle includes an engine that combusts fuel to generate power. A drive motor assists the engine power and selectively operates as a generator to generate electrical energy. A clutch is disposed between the engine and drive motor. A battery supplies electrical energy to the drive motor or is charged by the generated electrical energy. A DC converter transforms a DC from the battery. An electric supercharger supplies supercharged air to the engine. A controller determines an optimal air amount to maximize system efficiency based on a drive motor limited output value determined by a battery SOC, and determines an output drive motor power output and an output engine power output based on the optimal air amount when an atmospheric pressure is less than a predetermined pressure, intake temperature is greater than a predetermined temperature and the SOC is less than a predetermined value.Type: ApplicationFiled: June 8, 2020Publication date: April 15, 2021Inventors: Heechang Oh, Dong Hee Han, Hyunjin Kang, Kwanhee Lee, Yeongseop Park, Seungwoo Hong, Jonghyeok Lee, Yong Kak Choi